command changes

.gitignore

@@ -1,5 +1,10 @@
 cube/build/
+cube/w5500.a
+cube/pubsubc.a
 .*.sw?
 *.o
 test
 .bash_history
+.vscode
+
+

.gitmodules

@@ -1,3 +1,17 @@
 [submodule "cube/hottislib"]
 	path = cube/hottislib
 	url = ../hottislib
+[submodule "cube/ioLibrary_Driver"]
+	path = cube/ioLibrary_Driver
+	url = ../ioLibrary_Driver
+	branch = WolfgangsOwnBranch
+[submodule "cube/libmbus"]
+	path = cube/libmbus
+	url = ../libmbus
+	branch = WolfgangsOwnBranch
+[submodule "cube/pubsub"]
+	path = cube/pubsub
+	url = ../Pubsubclient
+[submodule "cube/pubsubc"]
+	path = cube/pubsubc
+	url = ../pubsubc

Makefile-adjusted

@@ -0,0 +1,215 @@
+# Processed by ../tools/insertMyCode.sh
+##########################################################################################################################
+# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Mon Nov 09 10:47:02 CET 2020]
+##########################################################################################################################
+
+# ------------------------------------------------
+# Generic Makefile (based on gcc)
+#
+# ChangeLog :
+#	2017-02-10 - Several enhancements + project update mode
+#   2015-07-22 - first version
+# ------------------------------------------------
+
+######################################
+# target
+######################################
+TARGET = cube
+
+
+######################################
+# building variables
+######################################
+# debug build?
+DEBUG = 1
+# optimization
+OPT = -Og
+
+
+#######################################
+# paths
+#######################################
+# Build path
+BUILD_DIR = build
+
+######################################
+# source
+######################################
+# C sources
+C_SOURCES =  \
+User/Src/mbusParserExt.c User/Src/mqttComm.c User/Src/cmdHandler.c User/Src/ports.c User/Src/eeprom.c User/Src/frontend.c User/Src/logger.c User/Src/loopCtrl.c User/Src/main2.c User/Src/mbusComm.c User/Src/ringbuffer.c User/Src/show.c User/Src/utils.c User/Src/wizHelper.c hottislib/PontCoopScheduler.c  \
+libmbus/mbus/mbus-protocol.c \
+Core/Src/main.c \
+Core/Src/gpio.c \
+Core/Src/adc.c \
+Core/Src/spi.c \
+Core/Src/usart.c \
+Core/Src/stm32f1xx_it.c \
+Core/Src/stm32f1xx_hal_msp.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc_ex.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_exti.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_spi.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c \
+Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c \
+Core/Src/system_stm32f1xx.c  
+
+# ASM sources
+ASM_SOURCES =  \
+startup_stm32f103xe.s
+
+
+#######################################
+# binaries
+#######################################
+PREFIX = arm-none-eabi-
+# The gcc compiler bin path can be either defined in make command via GCC_PATH variable (> make GCC_PATH=xxx)
+# either it can be added to the PATH environment variable.
+ifdef GCC_PATH
+CC = $(GCC_PATH)/$(PREFIX)gcc
+AS = $(GCC_PATH)/$(PREFIX)gcc -x assembler-with-cpp
+CP = $(GCC_PATH)/$(PREFIX)objcopy
+SZ = $(GCC_PATH)/$(PREFIX)size
+else
+CC = $(PREFIX)gcc
+AS = $(PREFIX)gcc -x assembler-with-cpp
+CP = $(PREFIX)objcopy
+SZ = $(PREFIX)size
+endif
+HEX = $(CP) -O ihex
+BIN = $(CP) -O binary -S
+ 
+#######################################
+# CFLAGS
+#######################################
+# cpu
+CPU = -mcpu=cortex-m3
+
+# fpu
+# NONE for Cortex-M0/M0+/M3
+
+# float-abi
+
+
+# mcu
+MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
+
+# macros for gcc
+# AS defines
+AS_DEFS = 
+
+# C defines
+C_DEFS =  \
+-DUSE_HAL_DRIVER \
+-DSTM32F103xE
+
+
+# AS includes
+AS_INCLUDES = 
+
+# C includes
+C_INCLUDES =  \
+-Ihottislib \
+-Ilibmbus \
+-IUser/Inc \
+-IioLibrary_Driver/Ethernet \
+-IioLibrary_Driver/Internet/DHCP \
+-IioLibrary_Driver/Internet/httpServer \
+-Ipubsubc/src \
+-ICore/Inc \
+-IDrivers/STM32F1xx_HAL_Driver/Inc \
+-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy \
+-IDrivers/CMSIS/Device/ST/STM32F1xx/Include \
+-IDrivers/CMSIS/Include \
+-IDrivers/CMSIS/Include
+
+
+# compile gcc flags
+ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+
+CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+
+ifeq ($(DEBUG), 1)
+CFLAGS += -g -gdwarf-2
+endif
+
+
+# Generate dependency information
+CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
+
+
+#######################################
+# LDFLAGS
+#######################################
+# link script
+LDSCRIPT = STM32F103VCTx_FLASH.ld
+
+# libraries
+LIBS = -lc -lm -lnosys 
+LIBDIR = 
+LDFLAGS = $(MCU) -specs=nano.specs -u _printf_float -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
+
+# default action: build all
+all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
+
+
+#######################################
+# build the application
+#######################################
+# list of objects
+OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
+vpath %.c $(sort $(dir $(C_SOURCES)))
+OBJECTS += $(addprefix $(BUILD_DIR)/,pubsubc.a w5500.a)
+# list of ASM program objects
+OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
+vpath %.s $(sort $(dir $(ASM_SOURCES)))
+
+
+$(BUILD_DIR)/w5500.a:
+	(cd ioLibrary_Driver && $(MAKE) && cp w5500.a ../$(BUILD_DIR) && cd ..)
+
+$(BUILD_DIR)/pubsubc.a:
+	(cd pubsubc && $(MAKE) && cp pubsubc.a ../$(BUILD_DIR) && cd ..)
+
+$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR) 
+	$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
+
+$(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR)
+	$(AS) -c $(CFLAGS) $< -o $@
+
+$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
+	$(CC) $(OBJECTS) $(LDFLAGS) -o $@
+	$(SZ) $@
+
+$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
+	$(HEX) $< $@
+	
+$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
+	$(BIN) $< $@	
+	
+$(BUILD_DIR):
+	mkdir $@		
+
+#######################################
+# clean up
+#######################################
+clean:
+	-rm -fR $(BUILD_DIR)
+  
+#######################################
+# dependencies
+#######################################
+-include $(wildcard $(BUILD_DIR)/*.d)
+
+# *** EOF ***

cube/.mxproject

@@ -1,5 +1,5 @@
 [PreviousLibFiles]
-LibFiles=Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_def.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_cortex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_pwr.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_exti.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_spi.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_uart.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_exti.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_spi.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_def.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_cortex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_pwr.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_exti.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_spi.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_uart.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/stm32f103xe.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/stm32f1xx.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/system_stm32f1xx.h;Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/system_stm32f1xx.c;Drivers/CMSIS/Include/cmsis_armclang.h;Drivers/CMSIS/Include/core_armv8mml.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/tz_context.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/cmsis_compiler.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_cm23.h;Drivers/CMSIS/Include/core_cm1.h;Drivers/CMSIS/Include/mpu_armv7.h;Drivers/CMSIS/Include/core_cm33.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_armv8mbl.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/core_sc300.h;Drivers/CMSIS/Include/cmsis_iccarm.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/mpu_armv8.h;Drivers/CMSIS/Include/cmsis_version.h;Drivers/CMSIS/Include/core_cm7.h;
+LibFiles=Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_def.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_cortex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_pwr.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_exti.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_spi.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_uart.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_exti.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_spi.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_def.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_cortex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_pwr.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_exti.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_spi.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_uart.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/stm32f103xe.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/stm32f1xx.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/system_stm32f1xx.h;Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/system_stm32f1xx.c;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_armv8mbl.h;Drivers/CMSIS/Include/core_armv8mml.h;Drivers/CMSIS/Include/mpu_armv8.h;Drivers/CMSIS/Include/mpu_armv7.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm23.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armclang.h;Drivers/CMSIS/Include/core_cm33.h;Drivers/CMSIS/Include/core_cm1.h;Drivers/CMSIS/Include/cmsis_iccarm.h;Drivers/CMSIS/Include/cmsis_compiler.h;Drivers/CMSIS/Include/cmsis_version.h;Drivers/CMSIS/Include/tz_context.h;Drivers/CMSIS/Include/core_sc300.h;
 
 [PreviousUsedIarFiles]
 SourceFiles=../Core/Src/main.c;../Core/Src/gpio.c;../Core/Src/adc.c;../Core/Src/spi.c;../Core/Src/usart.c;../Core/Src/stm32f1xx_it.c;../Core/Src/stm32f1xx_hal_msp.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_exti.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_spi.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;../Core/Src/system_stm32f1xx.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_exti.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_spi.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;../Core/Src/system_stm32f1xx.c;../Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/system_stm32f1xx.c;;

cube/Core/Inc/main.h

@@ -61,6 +61,10 @@ void Error_Handler(void);
 #define debugUart huart4
 #define mbusUart huart5
 #define frontendAdc hadc1
+#define eepromSpi hspi2
+#define etherSpi hspi1
+#define displaySpi hspi3
+#define debugUartIRQn UART4_IRQn
 #define Loop_Enable_Pin GPIO_PIN_2
 #define Loop_Enable_GPIO_Port GPIOE
 #define Loop_Disable_Pin GPIO_PIN_3
@@ -74,10 +78,30 @@ void Error_Handler(void);
 #define LED_Red_GPIO_Port GPIOE
 #define Frontend_In_Pin GPIO_PIN_1
 #define Frontend_In_GPIO_Port GPIOA
+#define ETHER_RES_Pin GPIO_PIN_2
+#define ETHER_RES_GPIO_Port GPIOA
+#define ETHER_INT_Pin GPIO_PIN_3
+#define ETHER_INT_GPIO_Port GPIOA
+#define ETHER_CS_Pin GPIO_PIN_4
+#define ETHER_CS_GPIO_Port GPIOA
+#define ETHER_SCLK_Pin GPIO_PIN_5
+#define ETHER_SCLK_GPIO_Port GPIOA
+#define ETHER_MISO_Pin GPIO_PIN_6
+#define ETHER_MISO_GPIO_Port GPIOA
+#define ETHER_MOSI_Pin GPIO_PIN_7
+#define ETHER_MOSI_GPIO_Port GPIOA
 #define Debug_Signal_2_Pin GPIO_PIN_12
 #define Debug_Signal_2_GPIO_Port GPIOE
 #define Debug_Signal_1_Pin GPIO_PIN_10
 #define Debug_Signal_1_GPIO_Port GPIOB
+#define EEPROM_CS_Pin GPIO_PIN_12
+#define EEPROM_CS_GPIO_Port GPIOB
+#define EEPROM_SCLK_Pin GPIO_PIN_13
+#define EEPROM_SCLK_GPIO_Port GPIOB
+#define EEPROM_MISO_Pin GPIO_PIN_14
+#define EEPROM_MISO_GPIO_Port GPIOB
+#define EEPROM_MOSI_Pin GPIO_PIN_15
+#define EEPROM_MOSI_GPIO_Port GPIOB
 #define Debug_TX_Pin GPIO_PIN_10
 #define Debug_TX_GPIO_Port GPIOC
 #define Debug_RX_Pin GPIO_PIN_11
@@ -88,6 +112,18 @@ void Error_Handler(void);
 #define Frontend_Out_GPIO_Port GPIOD
 #define MBus_RX_Pin GPIO_PIN_2
 #define MBus_RX_GPIO_Port GPIOD
+#define Display_CS_Pin GPIO_PIN_7
+#define Display_CS_GPIO_Port GPIOD
+#define Display_SCLK_Pin GPIO_PIN_3
+#define Display_SCLK_GPIO_Port GPIOB
+#define Display_MISO_Pin GPIO_PIN_4
+#define Display_MISO_GPIO_Port GPIOB
+#define Display_MOSI_Pin GPIO_PIN_5
+#define Display_MOSI_GPIO_Port GPIOB
+#define Display_DC_Pin GPIO_PIN_6
+#define Display_DC_GPIO_Port GPIOB
+#define Display_RES_Pin GPIO_PIN_7
+#define Display_RES_GPIO_Port GPIOB
 /* USER CODE BEGIN Private defines */
 
 /* USER CODE END Private defines */

cube/Core/Inc/spi.h

@@ -30,6 +30,7 @@
 
 /* USER CODE END Includes */
 
+extern SPI_HandleTypeDef hspi1;
 extern SPI_HandleTypeDef hspi2;
 extern SPI_HandleTypeDef hspi3;
 
@@ -37,6 +38,7 @@ extern SPI_HandleTypeDef hspi3;
 
 /* USER CODE END Private defines */
 
+void MX_SPI1_Init(void);
 void MX_SPI2_Init(void);
 void MX_SPI3_Init(void);
 

cube/Core/Inc/stm32f1xx_it.h

@@ -58,6 +58,7 @@ void PendSV_Handler(void);
 void SysTick_Handler(void);
 void EXTI4_IRQHandler(void);
 void ADC1_2_IRQHandler(void);
+void SPI2_IRQHandler(void);
 void UART4_IRQHandler(void);
 void UART5_IRQHandler(void);
 /* USER CODE BEGIN EFP */

cube/Core/Src/gpio.c

@@ -54,10 +54,13 @@ void MX_GPIO_Init(void)
                           |Debug_Signal_2_Pin, GPIO_PIN_RESET);
 
   /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(Debug_Signal_1_GPIO_Port, Debug_Signal_1_Pin, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOA, ETHER_RES_Pin|ETHER_CS_Pin, GPIO_PIN_RESET);
 
   /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(Frontend_Out_GPIO_Port, Frontend_Out_Pin, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOB, Debug_Signal_1_Pin|EEPROM_CS_Pin|Display_DC_Pin|Display_RES_Pin, GPIO_PIN_RESET);
+
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOD, Frontend_Out_Pin|Display_CS_Pin, GPIO_PIN_RESET);
 
   /*Configure GPIO pins : PEPin PEPin PEPin PEPin
                            PEPin */
@@ -74,19 +77,32 @@ void MX_GPIO_Init(void)
   GPIO_InitStruct.Pull = GPIO_PULLUP;
   HAL_GPIO_Init(Loop_Status_GPIO_Port, &GPIO_InitStruct);
 
-  /*Configure GPIO pin : PtPin */
-  GPIO_InitStruct.Pin = Debug_Signal_1_Pin;
+  /*Configure GPIO pins : PAPin PAPin */
+  GPIO_InitStruct.Pin = ETHER_RES_Pin|ETHER_CS_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
-  HAL_GPIO_Init(Debug_Signal_1_GPIO_Port, &GPIO_InitStruct);
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
   /*Configure GPIO pin : PtPin */
-  GPIO_InitStruct.Pin = Frontend_Out_Pin;
+  GPIO_InitStruct.Pin = ETHER_INT_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  HAL_GPIO_Init(ETHER_INT_GPIO_Port, &GPIO_InitStruct);
+
+  /*Configure GPIO pins : PBPin PBPin PBPin PBPin */
+  GPIO_InitStruct.Pin = Debug_Signal_1_Pin|EEPROM_CS_Pin|Display_DC_Pin|Display_RES_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
-  HAL_GPIO_Init(Frontend_Out_GPIO_Port, &GPIO_InitStruct);
+  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+  /*Configure GPIO pins : PDPin PDPin */
+  GPIO_InitStruct.Pin = Frontend_Out_Pin|Display_CS_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
 
   /* EXTI interrupt init*/
   HAL_NVIC_SetPriority(EXTI4_IRQn, 0, 0);

cube/Core/Src/main.c

@@ -98,6 +98,7 @@ int main(void)
   MX_SPI3_Init();
   MX_UART4_Init();
   MX_UART5_Init();
+  MX_SPI1_Init();
   /* USER CODE BEGIN 2 */
   my_setup_2();
 

cube/Core/Src/main.c-bak

@@ -93,6 +93,7 @@ int main(void)
   MX_SPI3_Init();
   MX_UART4_Init();
   MX_UART5_Init();
+  MX_SPI1_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */

cube/Core/Src/spi.c

@@ -24,9 +24,32 @@
 
 /* USER CODE END 0 */
 
+SPI_HandleTypeDef hspi1;
 SPI_HandleTypeDef hspi2;
 SPI_HandleTypeDef hspi3;
 
+/* SPI1 init function */
+void MX_SPI1_Init(void)
+{
+
+  hspi1.Instance = SPI1;
+  hspi1.Init.Mode = SPI_MODE_MASTER;
+  hspi1.Init.Direction = SPI_DIRECTION_2LINES;
+  hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
+  hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
+  hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
+  hspi1.Init.NSS = SPI_NSS_SOFT;
+  hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
+  hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
+  hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
+  hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
+  hspi1.Init.CRCPolynomial = 10;
+  if (HAL_SPI_Init(&hspi1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+}
 /* SPI2 init function */
 void MX_SPI2_Init(void)
 {
@@ -38,7 +61,7 @@ void MX_SPI2_Init(void)
   hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
   hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
   hspi2.Init.NSS = SPI_NSS_SOFT;
-  hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
+  hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
   hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
   hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
   hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
@@ -76,7 +99,35 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
 {
 
   GPIO_InitTypeDef GPIO_InitStruct = {0};
-  if(spiHandle->Instance==SPI2)
+  if(spiHandle->Instance==SPI1)
+  {
+  /* USER CODE BEGIN SPI1_MspInit 0 */
+
+  /* USER CODE END SPI1_MspInit 0 */
+    /* SPI1 clock enable */
+    __HAL_RCC_SPI1_CLK_ENABLE();
+
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**SPI1 GPIO Configuration
+    PA5     ------> SPI1_SCK
+    PA6     ------> SPI1_MISO
+    PA7     ------> SPI1_MOSI
+    */
+    GPIO_InitStruct.Pin = ETHER_SCLK_Pin|ETHER_MOSI_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+    GPIO_InitStruct.Pin = ETHER_MISO_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(ETHER_MISO_GPIO_Port, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN SPI1_MspInit 1 */
+
+  /* USER CODE END SPI1_MspInit 1 */
+  }
+  else if(spiHandle->Instance==SPI2)
   {
   /* USER CODE BEGIN SPI2_MspInit 0 */
 
@@ -90,16 +141,19 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
     PB14     ------> SPI2_MISO
     PB15     ------> SPI2_MOSI
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_15;
+    GPIO_InitStruct.Pin = EEPROM_SCLK_Pin|EEPROM_MOSI_Pin;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
     HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
-    GPIO_InitStruct.Pin = GPIO_PIN_14;
+    GPIO_InitStruct.Pin = EEPROM_MISO_Pin;
     GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
-    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+    HAL_GPIO_Init(EEPROM_MISO_GPIO_Port, &GPIO_InitStruct);
 
+    /* SPI2 interrupt Init */
+    HAL_NVIC_SetPriority(SPI2_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(SPI2_IRQn);
   /* USER CODE BEGIN SPI2_MspInit 1 */
 
   /* USER CODE END SPI2_MspInit 1 */
@@ -118,15 +172,15 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
     PB4     ------> SPI3_MISO
     PB5     ------> SPI3_MOSI
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_5;
+    GPIO_InitStruct.Pin = Display_SCLK_Pin|Display_MOSI_Pin;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
     HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
-    GPIO_InitStruct.Pin = GPIO_PIN_4;
+    GPIO_InitStruct.Pin = Display_MISO_Pin;
     GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
-    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+    HAL_GPIO_Init(Display_MISO_GPIO_Port, &GPIO_InitStruct);
 
   /* USER CODE BEGIN SPI3_MspInit 1 */
 
@@ -137,7 +191,26 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
 void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
 {
 
-  if(spiHandle->Instance==SPI2)
+  if(spiHandle->Instance==SPI1)
+  {
+  /* USER CODE BEGIN SPI1_MspDeInit 0 */
+
+  /* USER CODE END SPI1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_SPI1_CLK_DISABLE();
+
+    /**SPI1 GPIO Configuration
+    PA5     ------> SPI1_SCK
+    PA6     ------> SPI1_MISO
+    PA7     ------> SPI1_MOSI
+    */
+    HAL_GPIO_DeInit(GPIOA, ETHER_SCLK_Pin|ETHER_MISO_Pin|ETHER_MOSI_Pin);
+
+  /* USER CODE BEGIN SPI1_MspDeInit 1 */
+
+  /* USER CODE END SPI1_MspDeInit 1 */
+  }
+  else if(spiHandle->Instance==SPI2)
   {
   /* USER CODE BEGIN SPI2_MspDeInit 0 */
 
@@ -150,8 +223,10 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
     PB14     ------> SPI2_MISO
     PB15     ------> SPI2_MOSI
     */
-    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15);
+    HAL_GPIO_DeInit(GPIOB, EEPROM_SCLK_Pin|EEPROM_MISO_Pin|EEPROM_MOSI_Pin);
 
+    /* SPI2 interrupt Deinit */
+    HAL_NVIC_DisableIRQ(SPI2_IRQn);
   /* USER CODE BEGIN SPI2_MspDeInit 1 */
 
   /* USER CODE END SPI2_MspDeInit 1 */
@@ -169,7 +244,7 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
     PB4     ------> SPI3_MISO
     PB5     ------> SPI3_MOSI
     */
-    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5);
+    HAL_GPIO_DeInit(GPIOB, Display_SCLK_Pin|Display_MISO_Pin|Display_MOSI_Pin);
 
   /* USER CODE BEGIN SPI3_MspDeInit 1 */
 

cube/Core/Src/stm32f1xx_it.c

@@ -60,6 +60,7 @@
 
 /* External variables --------------------------------------------------------*/
 extern ADC_HandleTypeDef hadc1;
+extern SPI_HandleTypeDef hspi2;
 extern UART_HandleTypeDef huart4;
 extern UART_HandleTypeDef huart5;
 /* USER CODE BEGIN EV */
@@ -232,6 +233,20 @@ void ADC1_2_IRQHandler(void)
   /* USER CODE END ADC1_2_IRQn 1 */
 }
 
+/**
+  * @brief This function handles SPI2 global interrupt.
+  */
+void SPI2_IRQHandler(void)
+{
+  /* USER CODE BEGIN SPI2_IRQn 0 */
+
+  /* USER CODE END SPI2_IRQn 0 */
+  HAL_SPI_IRQHandler(&hspi2);
+  /* USER CODE BEGIN SPI2_IRQn 1 */
+
+  /* USER CODE END SPI2_IRQn 1 */
+}
+
 /**
   * @brief This function handles UART4 global interrupt.
   */
@@ -246,6 +261,9 @@ void UART4_IRQHandler(void)
   /* USER CODE END UART4_IRQn 1 */
 }
 
+
+void mbusCommISR();
+
 /**
   * @brief This function handles UART5 global interrupt.
   */
@@ -254,9 +272,11 @@ void UART5_IRQHandler(void)
   /* USER CODE BEGIN UART5_IRQn 0 */
 
   /* USER CODE END UART5_IRQn 0 */
-  HAL_UART_IRQHandler(&huart5);
+  // HAL_UART_IRQHandler(&huart5);
   /* USER CODE BEGIN UART5_IRQn 1 */
 
+  mbusCommISR();
+
   /* USER CODE END UART5_IRQn 1 */
 }
 

cube/Core/Src/stm32f1xx_it.c-bak

@@ -57,6 +57,7 @@
 
 /* External variables --------------------------------------------------------*/
 extern ADC_HandleTypeDef hadc1;
+extern SPI_HandleTypeDef hspi2;
 extern UART_HandleTypeDef huart4;
 extern UART_HandleTypeDef huart5;
 /* USER CODE BEGIN EV */
@@ -227,6 +228,20 @@ void ADC1_2_IRQHandler(void)
   /* USER CODE END ADC1_2_IRQn 1 */
 }
 
+/**
+  * @brief This function handles SPI2 global interrupt.
+  */
+void SPI2_IRQHandler(void)
+{
+  /* USER CODE BEGIN SPI2_IRQn 0 */
+
+  /* USER CODE END SPI2_IRQn 0 */
+  HAL_SPI_IRQHandler(&hspi2);
+  /* USER CODE BEGIN SPI2_IRQn 1 */
+
+  /* USER CODE END SPI2_IRQn 1 */
+}
+
 /**
   * @brief This function handles UART4 global interrupt.
   */

cube/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c

@@ -2014,6 +2014,10 @@ HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart)
   return HAL_OK;
 }
 
+inline void dts(uint8_t v) {
+      while (v--) HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_10);
+}
+
 /**
   * @brief  This function handles UART interrupt request.
   * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
@@ -2022,6 +2026,8 @@ HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart)
   */
 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart)
 {
+  HAL_GPIO_TogglePin(GPIOE, GPIO_PIN_12);
+
   uint32_t isrflags   = READ_REG(huart->Instance->SR);
   uint32_t cr1its     = READ_REG(huart->Instance->CR1);
   uint32_t cr3its     = READ_REG(huart->Instance->CR3);
@@ -2035,6 +2041,7 @@ void HAL_UART_IRQHandler(UART_HandleTypeDef *huart)
      /* UART in mode Receiver -------------------------------------------------*/
     if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
     {
+dts(1);
       UART_Receive_IT(huart);
       return;
     }
@@ -2043,6 +2050,7 @@ void HAL_UART_IRQHandler(UART_HandleTypeDef *huart)
   /* If some errors occur */
   if ((errorflags != RESET) && (((cr3its & USART_CR3_EIE) != RESET) || ((cr1its & (USART_CR1_RXNEIE | USART_CR1_PEIE)) != RESET)))
   {
+dts(2);
     /* UART parity error interrupt occurred ----------------------------------*/
     if (((isrflags & USART_SR_PE) != RESET) && ((cr1its & USART_CR1_PEIE) != RESET))
     {
@@ -2070,10 +2078,14 @@ void HAL_UART_IRQHandler(UART_HandleTypeDef *huart)
     /* Call UART Error Call back function if need be --------------------------*/
     if (huart->ErrorCode != HAL_UART_ERROR_NONE)
     {
+dts(3);
       /* UART in mode Receiver -----------------------------------------------*/
       if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
       {
+        dts(4);
         UART_Receive_IT(huart);
+      } else {
+        dts(5);
       }
 
       /* If Overrun error occurs, or if any error occurs in DMA mode reception,

cube/Makefile

@@ -1,6 +1,6 @@
 # Processed by ../tools/insertMyCode.sh
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Sun Nov 01 15:55:46 CET 2020]
+# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Thu Nov 19 18:53:40 CET 2020]
 ##########################################################################################################################
 
 # ------------------------------------------------
@@ -37,7 +37,8 @@ BUILD_DIR = build
 ######################################
 # C sources
 C_SOURCES =  \
-User/Src/frontend.c User/Src/signal.c User/Src/logger.c User/Src/loopCtrl.c User/Src/main2.c User/Src/mbusComm.c User/Src/ringbuffer.c hottislib/PontCoopScheduler.c  \
+User/Src/regularCmds.c User/Src/adminCmds.c User/Src/configCmds.c User/Src/config.c User/Src/oled.c User/Src/cmdHandler.c User/Src/eeprom.c User/Src/frontend.c User/Src/logger.c User/Src/loopCtrl.c User/Src/main2.c User/Src/mbusComm.c User/Src/mbusParserExt.c User/Src/mqttComm.c User/Src/ports.c User/Src/ringbuffer.c User/Src/show.c User/Src/utils.c User/Src/wizHelper.c hottislib/PontCoopScheduler.c  \
+libmbus/mbus/mbus-protocol.c \
 Core/Src/main.c \
 Core/Src/gpio.c \
 Core/Src/adc.c \
@@ -120,7 +121,12 @@ AS_INCLUDES =
 # C includes
 C_INCLUDES =  \
 -Ihottislib \
+-Ipubsubc/src \
+-Ilibmbus \
 -IUser/Inc \
+-IioLibrary_Driver/Internet/DHCP \
+-IioLibrary_Driver/Internet/DNS \
+-IioLibrary_Driver/Ethernet \
 -ICore/Inc \
 -IDrivers/STM32F1xx_HAL_Driver/Inc \
 -IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy \
@@ -130,9 +136,9 @@ C_INCLUDES =  \
 
 
 # compile gcc flags
-ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -Werror -fdata-sections -ffunction-sections
 
-CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -Werror -fdata-sections -ffunction-sections
 
 ifeq ($(DEBUG), 1)
 CFLAGS += -g -gdwarf-2
@@ -152,7 +158,7 @@ LDSCRIPT = STM32F103VCTx_FLASH.ld
 # libraries
 LIBS = -lc -lm -lnosys 
 LIBDIR = 
-LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
+LDFLAGS = $(MCU) -specs=nano.specs -u _printf_float -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
 
 # default action: build all
 all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
@@ -164,10 +170,17 @@ all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET
 # list of objects
 OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
 vpath %.c $(sort $(dir $(C_SOURCES)))
+OBJECTS += $(addprefix $(BUILD_DIR)/,w5500.a pubsubc.a)
 # list of ASM program objects
 OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
 vpath %.s $(sort $(dir $(ASM_SOURCES)))
 
+$(BUILD_DIR)/w5500.a:
+	(cd ioLibrary_Driver && $(MAKE) && cp w5500.a ../$(BUILD_DIR) && cd ..)
+
+$(BUILD_DIR)/pubsubc.a:
+	(cd pubsubc && $(MAKE) && cp pubsubc.a ../$(BUILD_DIR) && cd ..)
+
 $(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR) 
 	$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
 

cube/Makefile-bak

@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Sun Nov 01 15:55:46 CET 2020]
+# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Thu Nov 19 18:53:40 CET 2020]
 ##########################################################################################################################
 
 # ------------------------------------------------

cube/User/Inc/cmdHandler.h

@@ -0,0 +1,9 @@
+#ifndef _CMDHANDLER_H_
+#define _CMDHANDLER_H_
+
+#include <stdint.h>
+
+void cmdHandlerInit();
+
+
+#endif /* _CMDHANDLER_H_ */

cube/User/Inc/cmdHelper.h

@@ -0,0 +1,23 @@
+#ifndef _CMDHELPER_H_
+#define _CMDHELPER_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+
+
+typedef bool (*cmdFunc_t)(uint8_t argc, char **args);
+
+typedef struct {
+    char name[16];
+    char help[512];
+    cmdFunc_t cmdFunc;
+} cmd_t;
+
+void sendString(const char *buf);
+bool sendFormatString(const char *format, ...);
+
+const cmd_t *getRegularCommands();
+const cmd_t *getAdminCommands();
+const cmd_t *getConfigCommands();
+
+#endif /* _CMDHELPER_H_ */

cube/User/Inc/config.h

@@ -0,0 +1,42 @@
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+#include <stdint.h>
+#include <spi.h>
+#include <assert.h>
+
+#define CONFIG_MAGIC 0xdead000a
+#define DEVICE_MAGIC 0xaffe0000
+
+typedef struct __attribute__((__packed__)) s_configBlock {
+    uint32_t configMagic;
+    char deviceName[16];
+    uint8_t macAddress[6];
+    int32_t frontendThreshold;
+    char brokerName[64];
+    char watchdogTopic[64];
+    char startupTopic[64];
+    char statusTopic[64];
+    char mbusDataTopic[64];
+    char syslogServerName[64];
+    uint8_t numOfDeviceBlocks;
+    uint8_t filler[1];
+} t_configBlock;
+
+
+#define MBUSDEVICE_NAMELENGTH 16
+#define MBUSDEVICE_NUM_OF_CONSIDEREDFIELDS 4
+
+typedef struct __attribute__((__packed__)) s_deviceBlock {
+    uint32_t deviceMagic;
+    char deviceName[MBUSDEVICE_NAMELENGTH];
+    uint8_t address;
+    int8_t consideredField[MBUSDEVICE_NUM_OF_CONSIDEREDFIELDS];
+    int32_t period;
+    uint8_t filler[3];
+} t_deviceBlock;
+
+void configInit();
+t_configBlock* getConfig();
+
+#endif /* _CONFIG_H_ */

cube/User/Inc/eeprom.h

@@ -0,0 +1,50 @@
+#ifndef EEPROM_H_
+#define EEPROM_H_
+
+#include <stdint.h>
+#include <spi.h>
+#include <config.h>
+#include <assert.h>
+
+
+
+#define EEPROM_WRITE_BLOCK_SIZE 32
+#define EEPROM_AFTER_WRITE_DELAY 7
+
+
+typedef struct __attribute__((__packed__)) s_eepromHeader {
+  uint32_t magic;
+  uint32_t writeCounter;
+} t_eepromHeader;
+static_assert((sizeof(t_eepromHeader) <= EEPROM_WRITE_BLOCK_SIZE), "t_eepromHeader has illegal size, must be less than or equal 32");
+
+typedef struct __attribute__((__packed__)) s_deviceStats {
+    uint32_t totalRunningHours;
+    uint32_t totalPowercycles;
+    uint32_t totalRequests;
+    uint32_t totalFailures;
+} t_deviceStats;
+static_assert((sizeof(t_deviceStats) <= EEPROM_WRITE_BLOCK_SIZE), "t_deviceStats has illegal size, must be less than or equal 32");
+
+static_assert((sizeof(t_configBlock) % 32 == 0), "t_configBlock has illegal size, must be dividable by 32");
+static_assert((sizeof(t_deviceBlock) % 32 == 0), "t_deviceBlock has illegal size, must be dividable by 32");
+
+
+#define EEPROM_BASE_ADDR 0
+#define EEPROM_DEVICE_STATS_ADDR 32
+#define EEPROM_CONFIG_BLOCK_ADDR 64
+#define EEPROM_DEVICE_BLOCK_BASE_ADDR (EEPROM_CONFIG_BLOCK_ADDR + sizeof(t_configBlock))
+
+
+
+void eepromInit();
+void eepromWrite(uint16_t addr, uint8_t *buf, uint8_t len);
+void eepromRead(uint16_t addr, uint8_t *buf, uint8_t len);
+void eepromSpiTxCpltCallback(SPI_HandleTypeDef *hspi);
+t_deviceStats* getGlobalDeviceStats();
+void eepromReadConfigBlock(t_configBlock *destConfigBlock);
+void eepromWriteConfigBlock(t_configBlock *srcConfigBlock);
+void eepromReadDeviceBlock(uint8_t blockNum, t_deviceBlock *destDeviceBlock);
+void eepromWriteDeviceBlock(uint8_t blockNum, t_deviceBlock *srcDeviceBlock);
+
+#endif /* EEPROM_H_ */

cube/User/Inc/frontend.h

@@ -9,6 +9,5 @@ void frontendInit();
 void frontendAdcCallback(ADC_HandleTypeDef* hadc);   
 void frontendEnable();
 void frontendDisable();
-void frontendSetThreshold(int32_t threshold);
 
 #endif // _FRONTEND_H_

cube/User/Inc/logger.h

@@ -1,7 +1,23 @@
 #ifndef _LOGGER_H_
 #define _LOGGER_H_
 
+#include <main.h>
 
+#include <stdbool.h>
+
+
+// Disabling this option is preferred. However, when debugging system hangs
+// this option needs to be enabled.
+// #define LOGGER_OUTPUT_BY_INTERRUPT
+
+typedef enum {
+    LOG_NORMAL,
+    LOG_HIGH,
+    LOG_RED,
+    LOG_GREEN,
+    LOG_BLUE,
+    LOG_YELLOW
+} t_logColor;
 
 // initialize the logger, creates a ringbuffer
 void logInit();
@@ -13,9 +29,14 @@ void logFree();
 // return value can be ignored, it is only used in test
 int logMsg(const char *format, ...);
 
-// reads the ringbuffer and transfers data to output channel
-// call this from the idle-loop
-// return value can be ignored, it is only used in test
+int coloredMsg(const t_logColor color, bool syslogToo, const char *format, ...);
+
+#ifdef LOGGER_OUTPUT_BY_INTERRUPT
+void debugTxCpltCallback(UART_HandleTypeDef *huart);
+#endif
+
+#ifndef LOGGER_OUTPUT_BY_INTERRUPT
 int logExec();
+#endif
 
 #endif // _LOGGER_H_

cube/User/Inc/mbusComm.h

@@ -3,8 +3,48 @@
 
 #include <main.h>
 #include <stdint.h>
+#include <stdbool.h>
+#include <config.h>
 
-void mbusCommRequest(uint8_t cmd, uint8_t addr);
+
+typedef struct {
+  char deviceName[MBUSDEVICE_NAMELENGTH];
+  uint8_t address;
+  int8_t consideredField[MBUSDEVICE_NUM_OF_CONSIDEREDFIELDS];
+  uint32_t requests;
+  uint32_t failures;
+  int32_t period;
+  int32_t delay;
+  bool waiting;
+  bool active;
+} t_mbusDevice;
+
+typedef enum {
+  MBCRR_TRIGGERED = 0,
+  MBCRR_BUSY = 1,
+  MBCRR_DISABLED = 2
+} e_mbusCommRequestResult;
+
+typedef struct {
+  uint32_t mbusRequestCnt;
+  uint32_t mbusErrorCnt;
+  uint32_t uartOctetCnt;
+  uint32_t uartOverrunCnt;
+  uint32_t uartFramingErrCnt;
+  uint32_t uartParityErrCnt;
+  uint32_t uartNoiseErrCnt;
+} t_mbusCommStats;
+
+// e_mbusCommRequestResult mbusCommRequest(t_mbusDevice *mbusDevice);
+void mbusCommInit();
+void mbusCommExec();
+void mbusCommEnable(bool enable);
 void mbusCommTxCpltCallback(UART_HandleTypeDef *huart);
+void mbusCommRxCpltCallback(UART_HandleTypeDef *huart);
+void mbusCommErrorCallback(UART_HandleTypeDef *huart);
+void mbusCommSetStats(t_mbusCommStats stats);
+t_mbusCommStats *mbusCommGetStats();
+void mbusCommAddDevice(t_deviceBlock *deviceBlock);
+
 
 #endif // _MBUSCOMM_H_

cube/User/Inc/mbusParserExt.h

@@ -0,0 +1,20 @@
+#ifndef _MBUSPARSEREXT_H_
+#define _MBUSPARSEREXT_H_
+
+#include <mbus/mbus-protocol.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct {
+    const char *name;
+    const char *unit;
+    int8_t exponent;
+    bool found;
+} parsedVIB_t;
+
+parsedVIB_t parseVIB(mbus_value_information_block vib);
+
+
+
+#endif //_MBUSPARSEREXT_H_

cube/User/Inc/mqttComm.h

@@ -0,0 +1,13 @@
+#ifndef _MQTTCOMM_H_
+#define _MQTTCOMM_H_
+
+
+void mqttCommInit();
+void mqttPublish(const char *topic, char *message);
+void mqttPublishf(const char *topic, char *messageFormat, ...);
+
+
+
+#endif // _MQTTCOMM_H_
+
+

cube/User/Inc/oled-fonts.h

@@ -0,0 +1,226 @@
+/*
+ * oled-fonts.h
+ *
+ *  Created on: May 29, 2017
+ *      Author: wn
+ */
+
+#ifndef OLED_FONTS_H_
+#define OLED_FONTS_H_
+
+
+/*
+ * Code found at http://www.instructables.com/id/How-to-use-OLED-display-arduino-module/
+ * Thank you very much!
+ * Adapted from Arduino to STM32 HAL by wollud1969
+ */
+
+
+
+const unsigned char F6x8[][6] =
+{
+  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },   // sp
+  { 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 },   // !
+  { 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 },   // "
+  { 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 },   // #
+  { 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 },   // $
+  { 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 },   // %
+  { 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 },   // &
+  { 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 },   // '
+  { 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 },   // (
+  { 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 },   // )
+  { 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 },   // *
+  { 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 },   // +
+  { 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 },   // ,
+  { 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 },   // -
+  { 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 },   // .
+  { 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 },   // /
+  { 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E },   // 0
+  { 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 },   // 1
+  { 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 },   // 2
+  { 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 },   // 3
+  { 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 },   // 4
+  { 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 },   // 5
+  { 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 },   // 6
+  { 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 },   // 7
+  { 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 },   // 8
+  { 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E },   // 9
+  { 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 },   // :
+  { 0x00, 0x00, 0x56, 0x36, 0x00, 0x00 },   // ;
+  { 0x00, 0x08, 0x14, 0x22, 0x41, 0x00 },   // <
+  { 0x00, 0x14, 0x14, 0x14, 0x14, 0x14 },   // =
+  { 0x00, 0x00, 0x41, 0x22, 0x14, 0x08 },   // >
+  { 0x00, 0x02, 0x01, 0x51, 0x09, 0x06 },   // ?
+  { 0x00, 0x32, 0x49, 0x59, 0x51, 0x3E },   // @
+  { 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C },   // A
+  { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36 },   // B
+  { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22 },   // C
+  { 0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C },   // D
+  { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41 },   // E
+  { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01 },   // F
+  { 0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A },   // G
+  { 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F },   // H
+  { 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00 },   // I
+  { 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01 },   // J
+  { 0x00, 0x7F, 0x08, 0x14, 0x22, 0x41 },   // K
+  { 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40 },   // L
+  { 0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F },   // M
+  { 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F },   // N
+  { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E },   // O
+  { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06 },   // P
+  { 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E },   // Q
+  { 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46 },   // R
+  { 0x00, 0x46, 0x49, 0x49, 0x49, 0x31 },   // S
+  { 0x00, 0x01, 0x01, 0x7F, 0x01, 0x01 },   // T
+  { 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F },   // U
+  { 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F },   // V
+  { 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F },   // W
+  { 0x00, 0x63, 0x14, 0x08, 0x14, 0x63 },   // X
+  { 0x00, 0x07, 0x08, 0x70, 0x08, 0x07 },   // Y
+  { 0x00, 0x61, 0x51, 0x49, 0x45, 0x43 },   // Z
+  { 0x00, 0x00, 0x7F, 0x41, 0x41, 0x00 },   // [ 91
+  { 0x00, 0x02, 0x04 ,0x08, 0x10, 0x20 },    // \92
+  { 0x00, 0x00, 0x41, 0x41, 0x7F, 0x00 },   // ]
+  { 0x00, 0x04, 0x02, 0x01, 0x02, 0x04 },   // ^
+  { 0x00, 0x40, 0x40, 0x40, 0x40, 0x40 },   // _
+  { 0x00, 0x00, 0x01, 0x02, 0x04, 0x00 },   // '
+  { 0x00, 0x20, 0x54, 0x54, 0x54, 0x78 },   // a
+  { 0x00, 0x7F, 0x48, 0x44, 0x44, 0x38 },   // b
+  { 0x00, 0x38, 0x44, 0x44, 0x44, 0x20 },   // c
+  { 0x00, 0x38, 0x44, 0x44, 0x48, 0x7F },   // d
+  { 0x00, 0x38, 0x54, 0x54, 0x54, 0x18 },   // e
+  { 0x00, 0x08, 0x7E, 0x09, 0x01, 0x02 },   // f
+  { 0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C },   // g
+  { 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78 },   // h
+  { 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00 },   // i
+  { 0x00, 0x40, 0x80, 0x84, 0x7D, 0x00 },   // j
+  { 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00 },   // k
+  { 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00 },   // l
+  { 0x00, 0x7C, 0x04, 0x18, 0x04, 0x78 },   // m
+  { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78 },   // n
+  { 0x00, 0x38, 0x44, 0x44, 0x44, 0x38 },   // o
+  { 0x00, 0xFC, 0x24, 0x24, 0x24, 0x18 },   // p
+  { 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC },   // q
+  { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08 },   // r
+  { 0x00, 0x48, 0x54, 0x54, 0x54, 0x20 },   // s
+  { 0x00, 0x04, 0x3F, 0x44, 0x40, 0x20 },   // t
+  { 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C },   // u
+  { 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C },   // v
+  { 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C },   // w
+  { 0x00, 0x44, 0x28, 0x10, 0x28, 0x44 },   // x
+  { 0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C },   // y
+  { 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44 },   // z
+  { 0x14, 0x14, 0x14, 0x14, 0x14, 0x14 }    // horiz lines
+};
+
+
+
+
+
+
+
+
+const unsigned char F8X16[]=
+{
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,// 0
+  0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//!1
+  0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//"2
+  0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//#3
+  0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//$4
+  0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//%5
+  0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//&6
+  0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//'7
+  0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//(8
+  0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//)9
+  0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//*10
+  0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+11
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//,12
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//-13
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//.14
+  0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,///15
+  0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//016
+  0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//117
+  0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//218
+  0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//319
+  0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//420
+  0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//521
+  0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//622
+  0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//723
+  0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//824
+  0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//925
+  0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//:26
+  0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//;27
+  0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//<28
+  0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//=29
+  0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,//>30
+  0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//?31
+  0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@32
+  0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A33
+  0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B34
+  0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C35
+  0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D36
+  0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E37
+  0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F38
+  0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G39
+  0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H40
+  0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I41
+  0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J42
+  0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K43
+  0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L44
+  0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M45
+  0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N46
+  0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O47
+  0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P48
+  0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q49
+  0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R50
+  0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S51
+  0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T52
+  0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U53
+  0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V54
+  0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W55
+  0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X56
+  0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y57
+  0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z58
+  0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[59
+  0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\60
+  0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//]61
+  0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^62
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_63
+  0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//`64
+  0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a65
+  0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b66
+  0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c67
+  0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d68
+  0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e69
+  0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f70
+  0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g71
+  0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h72
+  0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i73
+  0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j74
+  0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k75
+  0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l76
+  0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m77
+  0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n78
+  0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o79
+  0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p80
+  0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q81
+  0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r82
+  0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s83
+  0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t84
+  0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//unsigned char5
+  0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v86
+  0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w87
+  0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x88
+  0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y89
+  0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z90
+  0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{91
+  0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,//|92
+  0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//}93
+  0x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~94
+
+};
+
+
+
+
+#endif /* OLED_FONTS_H_ */

cube/User/Inc/oled.h

@@ -0,0 +1,32 @@
+/*
+ * oled.h
+ *
+ *  Created on: May 29, 2017
+ *      Author: wn
+ */
+
+#ifndef OLED_H_
+#define OLED_H_
+
+
+/*
+ * Code found at http://www.instructables.com/id/How-to-use-OLED-display-arduino-module/
+ * Thank you very much!
+ * Adapted from Arduino to STM32 HAL by wollud1969
+ */
+
+
+
+typedef enum {
+    OLED_SCREEN0 = 0,
+    OLED_SCREEN1
+} oledScreen_t;
+
+void oledInit(void);
+void oledClearActiveScreen();
+void oledClearAllScreens();
+void oledPrint(oledScreen_t screen, char msg[]);
+void oledPrintf(oledScreen_t screen, const char *format, ...);
+void oledSetActiveScreen(oledScreen_t screen);
+
+#endif /* OLED_H_ */

cube/User/Inc/show.h

@@ -0,0 +1,20 @@
+#ifndef _SHOW_H_
+#define _SHOW_H_
+
+
+#include <stdint.h>
+
+typedef enum { 
+    DEBUG_1 = 0, 
+    DEBUG_2 = 1, 
+    LED_RED = 2, 
+    LED_GREEN = 3
+} signalPin_t;
+
+typedef enum { ON, OFF, TOGGLE, BLINK } signalAction_t;
+
+void showInit();
+void show(signalPin_t signalPin, signalAction_t action);
+
+
+#endif // _SHOW_H_

cube/User/Inc/signal.h

@@ -1,13 +0,0 @@
-#ifndef _DEBUG_H_
-#define _DEBUG_H_
-
-
-#include <stdint.h>
-
-typedef enum { DEBUG_1, DEBUG_2, LED_RED, LED_GREEN } signalPin_t;
-typedef enum { ON, OFF, TOGGLE } signalAction_t;
-
-void signal(signalPin_t signalPin, signalAction_t action);
-
-
-#endif // _DEBUG_H_

cube/User/Inc/utils.h

@@ -0,0 +1,8 @@
+#ifndef _UTILS_H_
+#define _UTILS_H_
+
+#include <stdint.h>
+
+void activeDelay(uint8_t delay_ms);
+
+#endif // _UTILS_H_

cube/User/Inc/wizHelper.h

@@ -0,0 +1,13 @@
+#ifndef _WIZHELPER_H_
+#define _WIZHELPER_H_
+
+#include <stdbool.h>
+#include <stdint.h>
+
+
+int wizInit();
+bool isNetworkAvailable();
+uint8_t* wizGetIPAddress();
+bool wizDnsQuery(char *name, uint8_t *ip);
+
+#endif // _WIZHELPER_H_

cube/User/Src/adminCmds.c

@@ -0,0 +1,81 @@
+#include <cmdHelper.h>
+#include <logger.h>
+#include <string.h>
+
+#include <mbusComm.h>
+#include <loopCtrl.h>
+
+
+// clear statistics
+static bool clearCmd(uint8_t argc, char **args) {
+    t_mbusCommStats zeroedStats = { .mbusRequestCnt = 0, .mbusErrorCnt = 0, .uartOctetCnt = 0, .uartOverrunCnt = 0, .uartFramingErrCnt = 0, .uartParityErrCnt = 0, .uartNoiseErrCnt = 0 };
+    mbusCommSetStats(zeroedStats);
+    coloredMsg(LOG_YELLOW, true, "ch cc global statistics cleared");
+    return true;
+}
+
+static bool mbusCommEnableCmd(uint8_t argc, char **args) {
+    bool retCode = true;
+    if (argc == 2) {
+        if (0 == strcmp("false", args[1])) {
+            mbusCommEnable(false);
+            coloredMsg(LOG_YELLOW, true, "ch mcec Meterbus communication disabled");
+        } else if (0 == strcmp("true", args[1])) {
+            mbusCommEnable(true);
+            coloredMsg(LOG_YELLOW, true, "ch mcec Meterbus communication enabled");
+        } else {
+            retCode = false;
+        }
+    } else {
+        retCode = false;
+    }
+    return retCode;
+}
+
+static bool loopEnableCmd(uint8_t argc, char **args) {
+    bool retCode = true;
+    if (argc == 2) {
+        if (0 == strcmp("false", args[1])) {
+            loopDisable();
+            coloredMsg(LOG_YELLOW, true, "ch lec loop disabled");
+        } else if (0 == strcmp("true", args[1])) {
+            loopEnable();
+            coloredMsg(LOG_YELLOW, true, "ch lec loop enabled");
+        } else {
+            retCode = false;
+        }
+    } else {
+        retCode = false;
+    }
+    return retCode;
+}
+
+
+
+const cmd_t ADMIN_COMMANDS[] = {
+    { .name = "clear", .cmdFunc = clearCmd,
+     .help = \
+        "clear ................................ Clears the global Meterbus\n\r" \
+        "                                       statistics\n\r"
+    },
+    { .name = "mbusCommEnable", .cmdFunc = mbusCommEnableCmd,
+     .help = \
+        "mbusCommEnable true|false ............ Enables or disables the Meterbus\n\r" \
+        "                                       communication\n\r"
+    },
+    { .name = "loopEnable", .cmdFunc = loopEnableCmd,
+     .help = \
+        "loopEnable true|false ................ Enables or disables the loop.\n\r" \
+        "                                       Disable Meterbus communication\n\r" \
+        "                                       first if you want to disable the\n\r" \
+        "                                       for a longer time, otherwise the\n\r" \
+        "                                       request will enable it again\n\r"
+    },
+    { .name = "END_OF_CMDS", .help = "",.cmdFunc = NULL }
+};
+
+
+
+const cmd_t *getAdminCommands() {
+    return ADMIN_COMMANDS;
+}

cube/User/Src/cmdHandler.c

@@ -0,0 +1,336 @@
+#include <cmdHandler.h>
+#include <cmdHelper.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#include <socket.h>
+
+#include <logger.h>
+#include <PontCoopScheduler.h>
+#include <wizHelper.h>
+
+extern const uint8_t CMD_SOCK;
+
+const uint16_t cmdPort = 23;
+
+typedef enum {
+    CH_INIT,
+    CH_LISTEN,
+    CH_WAITING,
+    CH_BANNER,
+    CH_PROMPT,
+    CH_RECEIVE,
+    CH_DISCONNECT,
+    CH_DISCONNECT_WAIT,
+    CH_ERROR
+} chState_t;
+
+void sendString(const char *buf) {
+        send(CMD_SOCK, (uint8_t*)buf, strlen(buf));
+}
+
+bool sendFormatString(const char *format, ...) {
+    bool retCode = true;
+    va_list vl;
+    va_start(vl, format);
+    char buf[4096];
+    int vcnt = vsnprintf(buf, sizeof(buf), format, vl);
+    retCode = (vcnt < sizeof(buf));
+    va_end(vl);
+    sendString(buf);
+    return retCode;
+}
+
+// returns 0 to continue waiting for input
+// returns -1 to close the connection
+// returns 1 to toggle to admin mode
+// returns 2 to toggle to config mode
+// returns 3 to toggle back to default mode
+static int8_t cmdExecuteCommand(uint8_t *cmdLine, bool resetSpecialModes) {
+    const static char HELP_MSG[] = \
+      "Usage\n\r" \
+      "\n\r" \
+      "help ................................. Show this help page\n\r" \
+      "quit ................................. Terminate the console session\n\r" \
+      "enable ............................... Enable admin mode\n\r" \
+      "config ............................... Enter configuration mode\n\r" \
+      "disable .............................. Disable admin/config mode\n\r" \
+      ;
+    const static char CONFIG_INTRO_MSG[] = \
+      "In configuration mode each command changing the configuration\n\r" \
+      "will save changes directly to the EEPROM.\n\r" \
+      "However, the system will only consider these changes after a\n\r" \
+      "restart since only in this sitution the EEPROM is read.\n\r" \
+      "\n\r" \
+      ;
+    const static char GOODBYE_MSG[] = "Good bye\n\r";
+    const static char OK_MSG[] = "OK\n\r";
+    const static char FAILED_MSG[] = "Failed\n\r";
+    const static char UNKNOWN_COMMAND[] = "Unknown command\n\r";
+    uint8_t *messageToSend = NULL;
+
+    static bool adminMode = false;
+    static bool configMode = false;
+
+    if (resetSpecialModes) {
+        adminMode = false;
+        configMode = false;
+    }
+
+    cmd_t const * commands = getRegularCommands();
+    if (adminMode) {
+        commands = getAdminCommands();
+    } else if (configMode) {
+        commands = getConfigCommands();
+    }
+
+    coloredMsg(LOG_YELLOW, false, "ch cec cmdLine is %s", cmdLine);;
+
+    #define MAX_NUM_OF_ARGS 8
+    char *args[MAX_NUM_OF_TASKS];
+    uint8_t argc = 0;
+    char *inCmdLine = (char*)cmdLine;
+    do {
+        args[argc++] = strtok(inCmdLine, " ");
+        inCmdLine = NULL;
+    } while (args[argc - 1] != NULL);
+    if (argc > 0) {
+        argc--;
+    }
+    char *cmd = args[0];
+
+    int8_t retCode = 0;
+    coloredMsg(LOG_YELLOW, false, "ch cec cmd is %s, number of arguments %d", cmd, argc);
+
+    if (0 == strcmp(cmd, "quit")) {
+        messageToSend = (uint8_t*)GOODBYE_MSG;
+        retCode = -1;
+    } else if (0 == strcmp(cmd, "help")) {
+        if (configMode) {
+            sendString(CONFIG_INTRO_MSG);
+        }
+        sendString(HELP_MSG);
+        uint8_t cmdIdx = 0;
+        while (true) {
+            cmd_t command = commands[cmdIdx];
+            if (0 == strcmp("END_OF_CMDS", command.name)) {
+                break;
+            }
+            sendString(command.help);
+            cmdIdx++;
+        }
+        messageToSend = NULL;
+    } else if (0 == strcmp(cmd, "enable")) {
+        coloredMsg(LOG_YELLOW, true, "ch cec enable admin mode");
+        adminMode = true;
+        retCode = 1;
+    } else if (0 == strcmp(cmd, "disable")) {
+        coloredMsg(LOG_YELLOW, true, "ch cec disable admin mode");
+        adminMode = false;
+        configMode = false;
+        retCode = 3;
+    } else if (0 == strcmp(cmd, "config")) {
+        coloredMsg(LOG_YELLOW, true, "ch cec enable config mode");
+        configMode = true;
+        retCode = 2;
+    } else {
+        uint8_t cmdIdx = 0;
+        while (true) {
+            cmd_t command = commands[cmdIdx];
+            if (0 == strcmp("END_OF_CMDS", command.name)) {
+                messageToSend = (uint8_t*) UNKNOWN_COMMAND;
+                break;
+            }
+            if (0 == strcmp(cmd, command.name)) {
+                messageToSend = command.cmdFunc(argc, args) ? (uint8_t*)OK_MSG : (uint8_t*)FAILED_MSG;
+                break;
+            }
+            cmdIdx++;
+        }
+    }
+
+    if (messageToSend) {
+        send(CMD_SOCK, messageToSend, strlen((char*)messageToSend));
+    }
+
+    return retCode;
+}
+
+static void cmdHandlerEngine(void *handle) {
+    static uint8_t receiveBuffer[256];
+
+    static chState_t state = CH_INIT;
+    static bool resetSpecialModes = false;
+
+    static char banner[] = \
+      "MBGW3\n\r" \
+      "Type help for usage help\n\r" \
+      "or quit to close the connection.\n\r";
+
+    static char *prompt;
+    static char defaultPrompt[] = "MBGW3 > ";
+    static char adminPrompt[] = "MBGW3 (admin) # ";
+    static char configPrompt[] = "MBGW3 (config) $ ";
+
+
+    int8_t res = 0;
+    uint8_t sockState;
+    int32_t resultSend;
+    int16_t receivedOctets;
+    int32_t resultRecv;
+    uint8_t resultDisconnect;
+
+
+    if (isNetworkAvailable()) {
+        switch (state) {
+        case CH_INIT:
+            coloredMsg(LOG_YELLOW, false, "ch che initializing socket");
+
+            res = socket(CMD_SOCK, Sn_MR_TCP, cmdPort, SF_IO_NONBLOCK);
+            coloredMsg(LOG_YELLOW, false, "ch che socket returns %d", res);
+
+            if (res == CMD_SOCK) {
+                coloredMsg(LOG_YELLOW, false, "ch che socket is initialized");
+                state = CH_LISTEN;
+            } else {
+                state = CH_ERROR;
+            }
+            break;
+
+        case CH_LISTEN:
+            coloredMsg(LOG_YELLOW, false, "ch che listening");
+            
+            res = listen(CMD_SOCK);
+            coloredMsg(LOG_YELLOW, false, "ch che listen returns %d", res);
+
+            if (res == SOCK_OK) {
+                coloredMsg(LOG_YELLOW, false, "ch che ok, waiting for established");
+                state = CH_WAITING;
+            } else {
+                state = CH_ERROR;
+            }
+            break;
+
+        case CH_WAITING:
+            sockState = getSn_SR(CMD_SOCK);
+            if (sockState != SOCK_LISTEN) {
+                coloredMsg(LOG_YELLOW, false, "ch che socket state is 0x%02x", sockState);
+            }
+
+            if (sockState == SOCK_ESTABLISHED) {
+                coloredMsg(LOG_YELLOW, true, "ch che connection is established");
+                state = CH_BANNER;
+            }
+            break;
+
+        case CH_BANNER:
+            coloredMsg(LOG_YELLOW, false, "ch che send banner");
+            sockState = getSn_SR(CMD_SOCK);
+            if (sockState != SOCK_ESTABLISHED) {
+                coloredMsg(LOG_YELLOW, true, "ch che sockState is 0x%02x when trying to send banner", sockState);
+                state = CH_DISCONNECT;
+            } else {
+                resultSend = send(CMD_SOCK, (uint8_t*)banner, strlen(banner));
+                coloredMsg(LOG_YELLOW, false, "ch che sent banner, send returns 0x%02x", resultSend);
+                prompt = defaultPrompt;
+                resetSpecialModes = true;
+                state = CH_PROMPT;
+            }
+            break;
+
+        case CH_PROMPT:
+            coloredMsg(LOG_YELLOW, false, "ch che send prompt");
+            sockState = getSn_SR(CMD_SOCK);
+            if (sockState != SOCK_ESTABLISHED) {
+                coloredMsg(LOG_YELLOW, true, "ch che sockState is 0x%02x when trying to send promt", sockState);
+                state = CH_DISCONNECT;
+            } else {
+                resultSend = send(CMD_SOCK, (uint8_t*)prompt, strlen(prompt));
+                coloredMsg(LOG_YELLOW, false, "ch che sent prompt %s, send returns 0x%02x", prompt, resultSend);
+                state = CH_RECEIVE;
+            }
+            break;
+
+        case CH_RECEIVE:
+            sockState = getSn_SR(CMD_SOCK);
+            if (sockState != SOCK_ESTABLISHED) {
+                coloredMsg(LOG_YELLOW, true, "ch che sockState is 0x%02x when trying to receive something", sockState);
+                state = CH_DISCONNECT;
+            } else {
+                receivedOctets = getSn_RX_RSR(CMD_SOCK);
+
+                if (receivedOctets > 0) {
+                    memset(receiveBuffer, 0, sizeof(receiveBuffer));
+                    resultRecv = recv(CMD_SOCK, receiveBuffer, sizeof(receiveBuffer));
+                    coloredMsg(LOG_YELLOW, false, "ch che recv returns 0x%02x", resultRecv);
+                    if (resultRecv > 0) {
+                        if ((receiveBuffer[strlen((char*)receiveBuffer) - 1] == 0x0a) ||
+                            (receiveBuffer[strlen((char*)receiveBuffer) - 1] == 0x0d)) {
+                            receiveBuffer[strlen((char*)receiveBuffer) - 1] = 0;
+                        }
+                        if ((receiveBuffer[strlen((char*)receiveBuffer) - 1] == 0x0a) ||
+                            (receiveBuffer[strlen((char*)receiveBuffer) - 1] == 0x0d)) {
+                            receiveBuffer[strlen((char*)receiveBuffer) - 1] = 0;
+                        }
+                        coloredMsg(LOG_YELLOW, false, "ch che received: %s", receiveBuffer);
+                        int8_t resCEC = cmdExecuteCommand(receiveBuffer, resetSpecialModes);
+                        resetSpecialModes = false;
+                        switch (resCEC) {
+                            case 0:
+                                state = CH_PROMPT;
+                                break;
+                            case -1:
+                                state = CH_DISCONNECT;
+                                break;
+                            case 1:
+                                prompt = adminPrompt;
+                                state = CH_PROMPT;
+                                break;
+                            case 2:
+                                prompt = configPrompt;
+                                state = CH_PROMPT;
+                                break;
+                            case 3:
+                                prompt = defaultPrompt;
+                                state = CH_PROMPT;
+                                break;
+                        }
+                    }
+                }
+            }
+            break;
+
+        case CH_DISCONNECT:
+            coloredMsg(LOG_YELLOW, true, "ch che close our end");
+            resultDisconnect = disconnect(CMD_SOCK);
+            coloredMsg(LOG_YELLOW, true, "ch che disconnect returns 0x%02x", resultDisconnect);
+            state = CH_DISCONNECT_WAIT;
+            break;
+
+        case CH_DISCONNECT_WAIT:
+            //coloredMsg(LOG_YELLOW, false, "ch che waiting after disconnect");
+            sockState = getSn_SR(CMD_SOCK);
+            //coloredMsg(LOG_YELLOW, false, "ch che sockState is 0x%02x", sockState);
+            if (sockState == SOCK_CLOSED) {
+                coloredMsg(LOG_YELLOW, true, "ch che socket is closed now");
+                state = CH_INIT;
+            }
+            break;
+        
+
+        case CH_ERROR:
+            coloredMsg(LOG_YELLOW, true, "ch che error state, will stop here");
+            schDel(cmdHandlerEngine, NULL);
+            break;
+        }
+    }
+}
+
+void cmdHandlerInit() {
+    schAdd(cmdHandlerEngine, NULL, 0, 100);
+}

cube/User/Src/config.c

@@ -0,0 +1,158 @@
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <config.h>
+#include <eeprom.h>
+#include <logger.h>
+#include <mbusComm.h>
+
+
+
+#define NUM_OF_DEFAULT_DEVICES 8
+t_deviceBlock defaultDeviceBlock[] = {
+    {
+        .deviceMagic = DEVICE_MAGIC,
+        .deviceName = "Total",
+        .address = 80,
+        .consideredField = { 0, 17, -1, -1 },
+        .period = 10,
+        .filler = { 0, 0, 0 }
+    },
+    {
+        .deviceMagic = DEVICE_MAGIC,
+        .deviceName = "Computer",
+        .address = 85,
+        .consideredField = { 0, 4, 2, 3 },
+        .period = 10,
+        .filler = { 0, 0, 0 }
+    },
+    {
+        .deviceMagic = DEVICE_MAGIC,
+        .deviceName = "Dryer",
+        .address = 81,
+        .consideredField = { 0, 4, 2, 3 },
+        .period = 10,
+        .filler = { 0, 0, 0 }
+    },
+    {
+        .deviceMagic = DEVICE_MAGIC,
+        .deviceName = "Laundry",
+        .address = 82,
+        .consideredField = { 0, 4, 2, 3 },
+        .period = 10,
+        .filler = { 0, 0, 0 }
+    },
+    {
+        .deviceMagic = DEVICE_MAGIC,
+        .deviceName = "Dishwasher",
+        .address = 83,
+        .consideredField = { 0, 4, 2, 3 },
+        .period = 10,
+        .filler = { 0, 0, 0 }
+    },
+    {
+        .deviceMagic = DEVICE_MAGIC,
+        .deviceName = "Light",
+        .address = 84,
+        .consideredField = { 0, 4, 2, 3 },
+        .period = 10,
+        .filler = { 0, 0, 0 }
+    },
+    {
+        .deviceMagic = DEVICE_MAGIC,
+        .deviceName = "Freezer",
+        .address = 86,
+        .consideredField = { 0, 4, 2, 3 },
+        .period = 10,
+        .filler = { 0, 0, 0 }
+    },
+    {
+        .deviceMagic = DEVICE_MAGIC,
+        .deviceName = "Fridge",
+        .address = 87,
+        .consideredField = { 0, 4, 2, 3 },
+        .period = 10,
+        .filler = { 0, 0, 0 }
+    }
+};
+
+
+t_configBlock defaultConfigBlock = {
+    .configMagic = CONFIG_MAGIC,
+    .deviceName = "MBGW3",
+    .macAddress = { 0x00, 0xA0, 0x57, 0x05, 0x3E, 0x0D },
+    .frontendThreshold = 240,
+    .brokerName = "mqttbroker",
+    .watchdogTopic = "IoT/Watchdog",
+    .startupTopic = "IoT/MBGW3/Startup",
+    .statusTopic = "IoT/MBGW3/Status",
+    .mbusDataTopic = "IoT/MBGW3/Measurement",
+    .syslogServerName = "syslogserver",
+    .numOfDeviceBlocks = NUM_OF_DEFAULT_DEVICES,
+    .filler = { 0 }
+};
+
+
+
+t_configBlock mainConfigBlock;
+
+
+
+t_configBlock* getConfig() {
+    return &mainConfigBlock;
+}
+
+
+void configInit() {
+    coloredMsg(LOG_BLUE, false, "cfg ci Reading configuration block from eeprom");
+    eepromReadConfigBlock(&mainConfigBlock);
+
+    if (mainConfigBlock.configMagic != CONFIG_MAGIC) {
+        coloredMsg(LOG_BLUE, false, "cfg ci Invalid configuration block read from eeprom");
+
+        eepromWriteConfigBlock(&defaultConfigBlock);
+        coloredMsg(LOG_BLUE, false, "cfg ci Default configuration block written to eeprom");
+
+        for (uint8_t i = 0; i < NUM_OF_DEFAULT_DEVICES; i++) {
+            eepromWriteDeviceBlock(i, &defaultDeviceBlock[i]);
+        }
+        coloredMsg(LOG_BLUE, false, "cfg ci Default device blocks written to eeprom");
+
+        coloredMsg(LOG_BLUE, false, "cfg ci Reading configuration block from eeprom again");
+        eepromReadConfigBlock(&mainConfigBlock);
+    }
+    coloredMsg(LOG_BLUE, false, "cfg ci configMagic:         %lx", mainConfigBlock.configMagic);
+    coloredMsg(LOG_BLUE, false, "cfg ci deviceName:          %s", mainConfigBlock.deviceName);
+    coloredMsg(LOG_BLUE, false, "cfg ci MAC address:         %02x:%02x:%02x:%02x:%02x:%02x", mainConfigBlock.macAddress[0], 
+                                                                                      mainConfigBlock.macAddress[1], 
+                                                                                      mainConfigBlock.macAddress[2], 
+                                                                                      mainConfigBlock.macAddress[3], 
+                                                                                      mainConfigBlock.macAddress[4], 
+                                                                                      mainConfigBlock.macAddress[5]);
+    coloredMsg(LOG_BLUE, false, "cfg ci frontend threshold:  %ld", mainConfigBlock.frontendThreshold);
+    coloredMsg(LOG_BLUE, false, "cfg ci broker:              %s", mainConfigBlock.brokerName);
+    coloredMsg(LOG_BLUE, false, "cfg ci watchdogTopic:       %s", mainConfigBlock.watchdogTopic);
+    coloredMsg(LOG_BLUE, false, "cfg ci startupTopic:        %s", mainConfigBlock.startupTopic);
+    coloredMsg(LOG_BLUE, false, "cfg ci statusTopic:         %s", mainConfigBlock.statusTopic);
+    coloredMsg(LOG_BLUE, false, "cfg ci mbusDataTopic:       %s", mainConfigBlock.mbusDataTopic);
+    coloredMsg(LOG_BLUE, false, "cfg ci syslog server:       %s", mainConfigBlock.syslogServerName);
+    coloredMsg(LOG_BLUE, false, "cfg ci device block cnt:    %d", mainConfigBlock.numOfDeviceBlocks);
+
+    for (uint8_t i = 0; i < mainConfigBlock.numOfDeviceBlocks; i++) {
+        t_deviceBlock tmpDeviceBlock;
+        eepromReadDeviceBlock(i, &tmpDeviceBlock);
+        if (tmpDeviceBlock.deviceMagic == DEVICE_MAGIC) {
+            coloredMsg(LOG_BLUE, false, "cfg ci device %d: ", i);
+            coloredMsg(LOG_BLUE, false, "  Name: %s, Address: %d, Period: %d", 
+                       tmpDeviceBlock.deviceName, tmpDeviceBlock.address, tmpDeviceBlock.period);
+            coloredMsg(LOG_BLUE, false, "  Considered Fields: %d %d %d %d",
+                       tmpDeviceBlock.consideredField[0],
+                       tmpDeviceBlock.consideredField[1],
+                       tmpDeviceBlock.consideredField[2],
+                       tmpDeviceBlock.consideredField[3]);
+            mbusCommAddDevice(&tmpDeviceBlock);
+        } else {
+            coloredMsg(LOG_BLUE, false, "magic of device %d does not match, ignored", i);
+        }
+    }
+}

cube/User/Src/configCmds.c

@@ -0,0 +1,76 @@
+#include <cmdHelper.h>
+#include <logger.h>
+
+#include <eeprom.h>
+#include <config.h>
+
+
+static bool showConfigCmd(uint8_t argc, char **args) {
+    bool retCode = true;
+
+    t_configBlock configBlock;
+    eepromReadConfigBlock(&configBlock);
+    sendFormatString("configMagic:         %lx\n\r", configBlock.configMagic);
+    sendFormatString("deviceName:          %s\n\r", configBlock.deviceName);
+    sendFormatString("MAC address:         %02x:%02x:%02x:%02x:%02x:%02x\n\r", configBlock.macAddress[0], 
+                                                                           configBlock.macAddress[1], 
+                                                                           configBlock.macAddress[2], 
+                                                                           configBlock.macAddress[3], 
+                                                                           configBlock.macAddress[4], 
+                                                                           configBlock.macAddress[5]);
+    sendFormatString("frontend threshold:  %ld\n\r", configBlock.frontendThreshold);
+    sendFormatString("broker:              %s\n\r", configBlock.brokerName);
+    sendFormatString("watchdogTopic:       %s\n\r", configBlock.watchdogTopic);
+    sendFormatString("startupTopic:        %s\n\r", configBlock.startupTopic);
+    sendFormatString("statusTopic:         %s\n\r", configBlock.statusTopic);
+    sendFormatString("mbusDataTopic:       %s\n\r", configBlock.mbusDataTopic);
+    sendFormatString("syslog server:       %s\n\r", configBlock.syslogServerName);
+    sendFormatString("device block cnt:    %d\n\r", configBlock.numOfDeviceBlocks);
+
+    for (uint8_t i = 0; i < configBlock.numOfDeviceBlocks; i++) {
+        t_deviceBlock tmpDeviceBlock;
+        eepromReadDeviceBlock(i, &tmpDeviceBlock);
+        if (tmpDeviceBlock.deviceMagic == DEVICE_MAGIC) {
+            sendFormatString("device %d: \n\r", i);
+            sendFormatString("  Name: %s, Address: %d, Period: %d\n\r", 
+                       tmpDeviceBlock.deviceName, tmpDeviceBlock.address, tmpDeviceBlock.period);
+            sendFormatString("  Considered Fields: %d %d %d %d\n\r",
+                       tmpDeviceBlock.consideredField[0],
+                       tmpDeviceBlock.consideredField[1],
+                       tmpDeviceBlock.consideredField[2],
+                       tmpDeviceBlock.consideredField[3]);
+            if (tmpDeviceBlock.deviceMagic != DEVICE_MAGIC) {
+                sendString("  DEVICE MAGIC DOES NOT MATCH\n\r");
+            }
+        }
+    }
+
+    return retCode;
+}
+
+static bool restartCmd(uint8_t argc, char **args) {
+    HAL_NVIC_SystemReset();
+    // you want come here ...
+    return true;
+}
+
+
+
+const cmd_t CONFIG_COMMANDS[] = {
+    { .name = "show", .cmdFunc = showConfigCmd,
+     .help = \
+        "show ................................. Show the configuration\n\r"
+    },
+    { .name = "restart", .cmdFunc = restartCmd,
+      .help = \
+        "restart .............................. Restart the system,\n\r" \
+        "                                       Required to reload config\n\r"
+    },
+    { .name = "END_OF_CMDS", .help = "",.cmdFunc = NULL }
+};
+
+
+
+const cmd_t *getConfigCommands() {
+    return CONFIG_COMMANDS;
+}

cube/User/Src/eeprom.c

@@ -0,0 +1,218 @@
+#include <main.h>
+#include <spi.h>
+#include <eeprom.h>
+#include <string.h>
+#include <logger.h>
+#include <mbusComm.h>
+#include <PontCoopScheduler.h>
+#include <utils.h>
+
+#include <assert.h>
+
+#define HIGH GPIO_PIN_SET
+#define LOW GPIO_PIN_RESET
+
+
+
+static const uint8_t EEPROM_READ = 0x03;
+static const uint8_t EEPROM_WRITE = 0x02;
+// static const uint8_t EEPROM_WRDI = 0x04;
+static const uint8_t EEPROM_WREN = 0x06;
+// static const uint8_t EEPROM_RDSR = 0x05;
+// static const uint8_t EEPROM_WRSR = 0x01;
+
+
+static const uint32_t EEPROM_MAGIC = 0xaffe0009;
+
+
+static const uint16_t EEPROM_HEADER_ADDR = EEPROM_BASE_ADDR;
+
+
+typedef union {
+  t_eepromHeader s;
+  uint8_t b[sizeof(struct s_eepromHeader)];
+} t_eepromHeaderBlock;
+
+static t_eepromHeaderBlock eepromHeader;
+
+
+typedef union {
+  t_deviceStats s;
+  uint8_t b[sizeof(t_deviceStats)];
+} t_deviceStatsBlock;
+
+static const uint16_t DEVICE_STATS_ADDR = EEPROM_DEVICE_STATS_ADDR;
+static t_deviceStatsBlock deviceStats;
+
+static const uint16_t CONFIG_BLOCK_ADDR = EEPROM_CONFIG_BLOCK_ADDR;
+static const uint16_t DEVICE_BLOCK_ADDR = EEPROM_DEVICE_BLOCK_BASE_ADDR;
+
+
+
+
+typedef union {
+  struct __attribute__((__packed__)) s_spiMsg {
+    uint8_t cmd;
+    uint16_t addr;
+    uint8_t data[32];
+  } s;
+  uint8_t b[sizeof(struct s_spiMsg)];
+} t_spiMsg;
+
+t_deviceStats* getGlobalDeviceStats() {
+  return &(deviceStats.s);
+}
+
+inline static void __EEPROM_CS(GPIO_PinState v) {
+  HAL_GPIO_WritePin(EEPROM_CS_GPIO_Port, EEPROM_CS_Pin, v);
+}
+
+static uint16_t swap(uint16_t i) {
+  return ((i & 0x00ff) << 8) | ((i & 0xff00) >> 8);
+}
+
+
+// active waiting, use only during initialization!
+static void eepromActiveDelay(uint8_t delay_ms) {
+  activeDelay(delay_ms);
+}
+
+void eepromWrite(uint16_t addr, uint8_t *buf, uint8_t len) {
+  t_spiMsg msg = {
+    .s.cmd = EEPROM_WRITE,
+    .s.addr = swap(addr)
+  };
+  memcpy(msg.s.data, buf, len);
+
+
+  uint8_t writeEnable = EEPROM_WREN;
+  __EEPROM_CS(LOW);
+  HAL_SPI_Transmit(&eepromSpi, &writeEnable, 1, HAL_MAX_DELAY);
+  __EEPROM_CS(HIGH);
+
+  __EEPROM_CS(LOW);
+  HAL_SPI_Transmit(&eepromSpi, msg.b, ((uint16_t)(len+3)), HAL_MAX_DELAY);
+  __EEPROM_CS(HIGH);
+}
+
+void eepromRead(uint16_t addr, uint8_t *buf, uint8_t len) {
+  t_spiMsg txMsg = {
+    .s.cmd = EEPROM_READ,
+    .s.addr = swap(addr)
+  };
+
+  t_spiMsg rxMsg;
+
+  __EEPROM_CS(LOW);
+  HAL_SPI_TransmitReceive(&eepromSpi, txMsg.b, rxMsg.b, ((uint16_t)(len+3)), HAL_MAX_DELAY);
+  __EEPROM_CS(HIGH);
+
+  memcpy(buf, rxMsg.s.data, len);
+}
+
+void eepromSpiTxCpltCallback(SPI_HandleTypeDef *hspi) {
+
+}
+
+static void eepromHourlyUpdateDeviceStats(void *handle) {
+  deviceStats.s.totalRunningHours += 1;
+
+  t_mbusCommStats *stats = mbusCommGetStats();
+
+  deviceStats.s.totalRequests += stats->mbusRequestCnt;
+  deviceStats.s.totalFailures += stats->mbusErrorCnt;
+
+  logMsg("eeHUDS, about to write updated device stats");
+  logMsg("eeHUDS, total powercycles so far: %d", deviceStats.s.totalPowercycles);
+  logMsg("eeHUDS, total running hours so far: %d", deviceStats.s.totalRunningHours);
+  logMsg("eeHUDS, total requests so far: %d", deviceStats.s.totalRequests);
+  logMsg("eeHUDS, total failures so far: %d", deviceStats.s.totalFailures);
+
+  eepromWrite(DEVICE_STATS_ADDR, deviceStats.b, sizeof(deviceStats));
+}
+
+void eepromReadConfigBlock(t_configBlock *destConfigBlock) {
+//  static_assert((sizeof(*destConfigBlock) % EEPROM_WRITE_BLOCK_SIZE == 0), "config block has illegal size, must be dividable by 32");
+
+  for (uint8_t i = 0; i < (sizeof(*destConfigBlock) / EEPROM_WRITE_BLOCK_SIZE); i++) {
+    eepromRead(CONFIG_BLOCK_ADDR + (i * EEPROM_WRITE_BLOCK_SIZE), ((uint8_t*)destConfigBlock) + (i * EEPROM_WRITE_BLOCK_SIZE), EEPROM_WRITE_BLOCK_SIZE);
+  }
+}
+
+void eepromWriteConfigBlock(t_configBlock *srcConfigBlock) {
+  for (uint8_t i = 0; i < (sizeof(*srcConfigBlock) / EEPROM_WRITE_BLOCK_SIZE); i++) {
+    eepromWrite(CONFIG_BLOCK_ADDR + (i * EEPROM_WRITE_BLOCK_SIZE), ((uint8_t*)srcConfigBlock) + (i * EEPROM_WRITE_BLOCK_SIZE), EEPROM_WRITE_BLOCK_SIZE);
+    eepromActiveDelay(EEPROM_AFTER_WRITE_DELAY);
+  }
+}
+
+void eepromReadDeviceBlock(uint8_t blockNum, t_deviceBlock *destDeviceBlock) {
+  static_assert((sizeof(*destDeviceBlock) % EEPROM_WRITE_BLOCK_SIZE == 0), "device block has illegal size, must be dividable by 32");
+
+  for (uint8_t i = 0; i < (sizeof(*destDeviceBlock) / EEPROM_WRITE_BLOCK_SIZE); i++) {
+    eepromRead(DEVICE_BLOCK_ADDR + (blockNum * sizeof(*destDeviceBlock)) + (i * EEPROM_WRITE_BLOCK_SIZE), 
+               ((uint8_t*)destDeviceBlock) + (i * EEPROM_WRITE_BLOCK_SIZE), 
+               EEPROM_WRITE_BLOCK_SIZE);
+  }
+}
+
+void eepromWriteDeviceBlock(uint8_t blockNum, t_deviceBlock *srcDeviceBlock) {
+  for (uint8_t i = 0; i < (sizeof(*srcDeviceBlock) / EEPROM_WRITE_BLOCK_SIZE); i++) {
+    eepromWrite(DEVICE_BLOCK_ADDR + (blockNum * sizeof(*srcDeviceBlock)) + (i * EEPROM_WRITE_BLOCK_SIZE), 
+                ((uint8_t*)srcDeviceBlock) + (i * EEPROM_WRITE_BLOCK_SIZE), 
+                EEPROM_WRITE_BLOCK_SIZE);
+    eepromActiveDelay(EEPROM_AFTER_WRITE_DELAY);
+  }
+}
+
+
+
+void eepromInit() {
+  __EEPROM_CS(HIGH);
+
+  logMsg("eeI, read header");
+  eepromRead(EEPROM_HEADER_ADDR, eepromHeader.b, sizeof(eepromHeader));
+  logMsg("eeI, magic: %08x", eepromHeader.s.magic);
+
+  if (eepromHeader.s.magic != EEPROM_MAGIC) {
+    logMsg("eeI, eeprom is uninitialized");
+
+    deviceStats.s.totalPowercycles = 0;
+    deviceStats.s.totalRunningHours = 0;
+    deviceStats.s.totalRequests = 0;
+    deviceStats.s.totalFailures = 0;
+    logMsg("eeI, about to write device stats for the first time");
+    eepromWrite(DEVICE_STATS_ADDR, deviceStats.b, sizeof(deviceStats));
+    eepromActiveDelay(EEPROM_AFTER_WRITE_DELAY);
+
+    uint8_t emptyBlock[EEPROM_WRITE_BLOCK_SIZE];
+    memset(emptyBlock, 0, sizeof(emptyBlock));
+    eepromWrite(CONFIG_BLOCK_ADDR, emptyBlock, EEPROM_WRITE_BLOCK_SIZE);
+    eepromActiveDelay(EEPROM_AFTER_WRITE_DELAY);
+    logMsg("eeI, config block initialized");
+
+    eepromHeader.s.magic = EEPROM_MAGIC;
+    eepromHeader.s.writeCounter = 1;
+    logMsg("eeI, about to write header for the first time");
+    eepromWrite(EEPROM_HEADER_ADDR, eepromHeader.b, sizeof(eepromHeader));
+    eepromActiveDelay(EEPROM_AFTER_WRITE_DELAY);
+    logMsg("eeI, eeprom has been initialized");
+  } else {
+    logMsg("eeI, eeprom is initialized");
+  }
+
+  logMsg("eeI, about to read device stats");
+  eepromRead(DEVICE_STATS_ADDR, deviceStats.b, sizeof(deviceStats));
+  logMsg("eeI, total powercycles so far: %d", deviceStats.s.totalPowercycles);
+  logMsg("eeI, total running hours so far: %d", deviceStats.s.totalRunningHours);
+  logMsg("eeI, total requests so far: %d", deviceStats.s.totalRequests);
+  logMsg("eeI, total failures so far: %d", deviceStats.s.totalFailures);
+
+  deviceStats.s.totalPowercycles += 1;
+  logMsg("eeI, about to write device stats with updated power cycles counter");
+  eepromWrite(DEVICE_STATS_ADDR, deviceStats.b, sizeof(deviceStats));
+  eepromActiveDelay(EEPROM_AFTER_WRITE_DELAY);
+
+  schAdd(eepromHourlyUpdateDeviceStats, NULL, 0, 60 * 60 * 1000);
+  logMsg("eeI, hourly device stats update scheduled");
+}

cube/User/Src/frontend.c

@@ -5,10 +5,11 @@
 
 #include <frontend.h>
 #include <logger.h>
-#include <signal.h>
-
+#include <show.h>
+#include <config.h>
 
 
+static t_configBlock *config;
 
 
 static volatile int32_t frontendAdcThreshold = 0;
@@ -16,16 +17,15 @@ static volatile bool frontendEnabled = false;
 
 
 void frontendInit() {
+    config = getConfig();
+    frontendAdcThreshold = config->frontendThreshold;
+    
     HAL_ADCEx_Calibration_Start(&frontendAdc);
     logMsg("frontendInit, calibration done");
     HAL_ADC_Start_IT(&frontendAdc);
     logMsg("frontendInit, adc started");
 }
 
-void frontendSetThreshold(int32_t threshold) {
-    frontendAdcThreshold = threshold;
-}
-
 void frontendEnable() {
     frontendEnabled = true;
 }
@@ -37,8 +37,6 @@ void frontendDisable() {
 void frontendAdcCallback(ADC_HandleTypeDef* hadc) {
     static int32_t holdValue = 0;
 
-    signal(DEBUG_2, TOGGLE);
-
     if (frontendEnabled) {
         int32_t currentValue = (int32_t) HAL_ADC_GetValue(hadc);
 

cube/User/Src/logger.c

@@ -1,9 +1,12 @@
-#ifndef TEST
 #include <main.h>
 #include <usart.h>
-#include <signal.h>
+#include <show.h>
 #include <PontCoopScheduler.h>
-#endif
+#include <logger.h>
+#include <ringbuffer.h>
+#include <wizHelper.h>
+#include <socket.h>
+#include <config.h>
 
 #include <stdint.h>
 #include <stdlib.h>
@@ -11,23 +14,30 @@
 #include <stdarg.h>
 #include <stdio.h>
 
+#ifdef LOGGER_OUTPUT_BY_INTERRUPT
+#include <stm32f103xe.h>
+#endif //LOGGER_OUTPUT_BY_INTERRUPT
 
-#include <logger.h>
-#include <ringbuffer.h>
+#ifndef LOGGER_OUTPUT_BY_INTERRUPT
+#include <stm32f1xx_hal_uart.h>
+#endif //LOGGER_OUTPUT_BY_INTERRUPT
 
 
-#ifdef TEST
-#define LOGBUFFER_SIZE 32
-#define MSGBUFFER_SIZE 16
-#else
-#define LOGBUFFER_SIZE 1024
-#define MSGBUFFER_SIZE 64
-#endif // TEST
+#define LOGBUFFER_SIZE 4096
+#define MSGBUFFER_SIZE 256
 
 
+static t_configBlock *config;
+
+extern const uint8_t SYSLOG_SOCK;
+uint8_t syslogAddr[4]; 
+
+uint8_t singleOctetTXBuffer;
+
 static ringbuffer_t logBuffer;
 
 void logInit() {    
+    config = getConfig();
     ringbufferInit(&logBuffer, LOGBUFFER_SIZE);
 }
 
@@ -35,52 +45,154 @@ void logFree() {
     ringbufferFree(&logBuffer);
 }
 
+#ifdef LOGGER_OUTPUT_BY_INTERRUPT
+void debugTxCpltCallback(UART_HandleTypeDef *huart) {
+    int c = ringbufferGetOne(&logBuffer);
+    if (c > 0) {
+        singleOctetTXBuffer = (uint8_t) c;
+        HAL_UART_Transmit_IT(&debugUart, &singleOctetTXBuffer, 1);
+    }
+} 
+#endif //LOGGER_OUTPUT_BY_INTERRUPT
+
+#ifndef LOGGER_OUTPUT_BY_INTERRUPT
 int logExec() {
     int c = -1;
-#ifndef TEST
     if (__HAL_UART_GET_FLAG(&debugUart, UART_FLAG_TXE)) { // is the TX channel free
-#endif // TEST
         c = ringbufferGetOne(&logBuffer);
         if (c > 0) {
-#ifndef TEST
             // transfer to TX channel
             uint8_t cc = (uint8_t) c;
             HAL_UART_Transmit(&debugUart, &cc, 1, HAL_MAX_DELAY);
-#endif // TEST
         }
-#ifndef TEST        
     }
-#endif // TEST
     return c;
 }
+#endif //LOGGER_OUTPUT_BY_INTERRUPT
 
-#ifndef TEST
-static void flashGreenLed(void *handle) {
-    signal(LED_GREEN, TOGGLE);
+void syslog(char *msg) {
+    static uint8_t state = 0;
+    int8_t res8 = 0;
+    int32_t res32 = 0;
+
+    if (isNetworkAvailable()) {
+        switch (state) {
+            case 0:
+                res8 = socket(SYSLOG_SOCK, Sn_MR_UDP, 514, SF_IO_NONBLOCK);
+                if (res8 != SYSLOG_SOCK) {
+                    break;
+                }
+                state = 1;
+                // no break
+            case 1:
+                if (! wizDnsQuery(config->syslogServerName, syslogAddr)) {
+                    disconnect(SYSLOG_SOCK);
+                    state = 0;
+                    break;
+                }
+                state = 2;
+                // no break
+            case 2:
+                res32 = sendto(SYSLOG_SOCK, (uint8_t*)msg, strlen(msg), syslogAddr, 514);
+                if (res32 != strlen(msg)) {
+                    disconnect(SYSLOG_SOCK);
+                    state = 0;
+                }
+                break;
+        }
+    }
 }
-#endif // TEST
 
-int logMsg(const char *format, ...) {
+static int innerLogMsg(const char *pre, const char *post, bool syslogToo, const char *format, va_list vl) {
+    const static char SYSLOG_HEADER[] = "<133>1 ";
+    #define MAX_PREFIX_SIZE 20
     int res = -1;
-    char msgBuffer[MSGBUFFER_SIZE];
+    char msgBuffer[MSGBUFFER_SIZE+MAX_PREFIX_SIZE];
+    char *bufferStart;
 
-    va_list vl;
-    va_start(vl, format);
-    int vcnt = vsnprintf(msgBuffer, MSGBUFFER_SIZE-2, format, vl);
-    va_end(vl);
+    memset(msgBuffer, 0, MSGBUFFER_SIZE+MAX_PREFIX_SIZE);
 
+    uint16_t syslogHeaderSize = strlen(SYSLOG_HEADER);
+    uint16_t preSize = (pre) ? strlen(pre) : 0;
+    uint16_t prefixSize = (syslogHeaderSize > preSize) ? syslogHeaderSize : preSize;
+    if (prefixSize > MAX_PREFIX_SIZE) {
+        return -1;
+    }
+    bufferStart = msgBuffer + prefixSize;
+
+    int vcnt = vsnprintf(bufferStart, MSGBUFFER_SIZE, format, vl);
     if (vcnt < MSGBUFFER_SIZE) {
-        strcat(msgBuffer, "\r\n");
+        if (syslogToo) {
+            memcpy(bufferStart - syslogHeaderSize, SYSLOG_HEADER, syslogHeaderSize);
+            syslog(bufferStart - syslogHeaderSize);
+        }
 
-        if (-1 == (res = ringbufferPut(&logBuffer, (uint8_t*) msgBuffer, strlen(msgBuffer)))) {
-#ifndef TEST
-            // blink the green light or so
-            flashGreenLed(NULL);
-            schAdd(flashGreenLed, NULL, 100, 0);
-#else
-            printf("\n*** green blink ***\n");
-#endif // TEST                
+        if (pre) {
+            memcpy(bufferStart - preSize, pre, preSize);
         }
+        if (post) {
+            strcat(bufferStart - preSize, post);
         }
+#ifdef LOGGER_OUTPUT_BY_INTERRUPT
+        HAL_NVIC_DisableIRQ(UART4_IRQn);
+#endif //LOGGER_OUTPUT_BY_INTERRUPT
+
+        res = ringbufferPut(&logBuffer, (uint8_t*) (bufferStart - preSize), strlen(bufferStart - preSize));
+
+#ifdef LOGGER_OUTPUT_BY_INTERRUPT        
+        HAL_NVIC_EnableIRQ(UART4_IRQn);
+#endif //LOGGER_OUTPUT_BY_INTERRUPT        
+
+#ifdef LOGGER_OUTPUT_BY_INTERRUPT
+        debugTxCpltCallback(NULL);
+#endif //LOGGER_OUTPUT_BY_INTERRUPT        
+    }
+
     return res;
 }
+
+int logMsg(const char *format, ...) {
+    va_list vl;
+    va_start(vl, format);
+    int res = innerLogMsg(NULL, "\r\n", false, format, vl);
+    va_end(vl);
+    return res;
+}
+
+int coloredMsg(const t_logColor color, bool syslogToo, const char *format, ...) {
+    const static char POST[] = "\x1b[0m\r\n";
+    const static char HIGH[] = "\x1b[1m";
+    const static char RED[] = "\x1b[31;1m";
+    const static char GREEN[] = "\x1b[32;1m";
+    const static char BLUE[] = "\x1b[34;1m";
+    const static char YELLOW[] = "\x1b[33;1m";
+    const char *pre = NULL;
+    switch (color) {
+        case LOG_HIGH:
+        pre = HIGH;
+        break;
+        case LOG_RED:
+        pre = RED;
+        break;
+        case LOG_BLUE:
+        pre = BLUE;
+        break;
+        case LOG_GREEN:
+        pre = GREEN;
+        break;
+        case LOG_YELLOW:
+        pre = YELLOW;
+        break;
+        case LOG_NORMAL:
+        pre = NULL;
+        break;
+    }
+    va_list vl;
+    va_start(vl, format);
+    int res = innerLogMsg(pre, POST, syslogToo, format, vl);
+    va_end(vl);
+    return res;
+}
+
+
+

cube/User/Src/loopCtrl.c

@@ -1,7 +1,8 @@
 #include <main.h>
 #include <loopCtrl.h>
-#include <signal.h>
-
+#include <show.h>
+#include <logger.h>
+#include <oled.h>
 
 bool loopActive = false;
 
@@ -9,18 +10,22 @@ void loopEnable() {
     loopActive = true;
     HAL_GPIO_WritePin(Loop_Enable_GPIO_Port, Loop_Enable_Pin, GPIO_PIN_SET);
     HAL_GPIO_WritePin(Loop_Enable_GPIO_Port, Loop_Enable_Pin, GPIO_PIN_RESET);
+    coloredMsg(LOG_HIGH, true, "lc le loop is enabled");
+    oledPrint(OLED_SCREEN0, "loop enabled");
 }
 
 void loopDisable() {
     HAL_GPIO_WritePin(Loop_Disable_GPIO_Port, Loop_Disable_Pin, GPIO_PIN_SET);
     HAL_GPIO_WritePin(Loop_Disable_GPIO_Port, Loop_Disable_Pin, GPIO_PIN_RESET);
     loopActive = false;
+    coloredMsg(LOG_HIGH, true, "lc ld loop is disabled");
+    oledPrint(OLED_SCREEN0, "loop disabled");
 }
 
 void loopStatusCallback() {
     GPIO_PinState status = HAL_GPIO_ReadPin(Loop_Status_GPIO_Port, Loop_Status_Pin);
     if (status == GPIO_PIN_SET) {
-        signal(LED_RED, ON);
+        show(LED_RED, ON);
         loopActive = false;
     }
 }

cube/User/Src/main2.c

@@ -6,47 +6,76 @@
 #include <main.h>
 #include <usart.h>
 #include <adc.h>
+#include <spi.h>
 
 #include <PontCoopScheduler.h>
 
-#include <signal.h>
+#include <show.h>
 #include <loopCtrl.h>
 #include <mbusComm.h>
 #include <logger.h>
 #include <frontend.h>
+#include <eeprom.h>
+#include <wizHelper.h>
+#include <mqttComm.h>
+#include <cmdHandler.h>
+#include <oled.h>
+#include <config.h>
+
 
 void my_setup_1() {
     schInit();
     logInit();
+    showInit();
 }
 
 void my_errorHandler() {
-    signal(LED_RED, ON);
-}
-
-void helloMeterbus(void *handle) {
-    mbusCommRequest(0x5b, 80);
-    // static char msg[] = "Hello";
-    // HAL_UART_Transmit_IT(&mbusUart, &msg, strlen(msg));
-
+    show(LED_RED, ON);
 }
 
 
 void my_setup_2() {
-    signal(LED_RED, OFF);
-    signal(LED_GREEN, ON);
+    show(LED_RED, OFF);
+    show(LED_GREEN, BLINK);
+    logMsg("Application starting");
+
+    oledInit();
+    oledClearAllScreens();
+    oledSetActiveScreen(OLED_SCREEN0);
+    oledPrint(OLED_SCREEN0, "App starting");
+
+    eepromInit();
+    oledPrint(OLED_SCREEN0, "eeprom init");
+    
+    configInit();
+    oledPrint(OLED_SCREEN0, "config init");
+
+    wizInit();
+    oledPrint(OLED_SCREEN0, "network init");
+
+    mqttCommInit();
+    oledPrint(OLED_SCREEN0, "mqtt init");
+    cmdHandlerInit();
+    oledPrint(OLED_SCREEN0, "cmdhandler init");
 
     frontendInit();
-    frontendSetThreshold(240);
+    oledPrint(OLED_SCREEN0, "frontend init");
 
-    schAdd(helloMeterbus, NULL, 0, 1000);
+    mbusCommInit();
+    oledPrint(OLED_SCREEN0, "Meterbus init");
+    oledPrint(OLED_SCREEN0, "App running");
 }
 
 void my_loop() {
-    signal(DEBUG_1, TOGGLE);
+    // show(DEBUG_2, TOGGLE);
 
     schExec();
+
+#ifndef LOGGER_OUTPUT_BY_INTERRUPT
     logExec();
+#endif //LOGGER_OUTPUT_BY_INTERRUPT
+
+    mbusCommExec();
 }
 
 void SYSTICK_Callback() {
@@ -59,7 +88,6 @@ void HAL_GPIO_EXTI_Callback(uint16_t pin) {
     }
 }
 
-
 void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) {
     if (hadc == &frontendAdc) {
         frontendAdcCallback(hadc);   
@@ -67,7 +95,15 @@ void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) {
 }
 
 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart) {
-    if (huart == &mbusUart) {
-        mbusCommTxCpltCallback(huart);
+#ifdef LOGGER_OUTPUT_BY_INTERRUPT   
+    if (huart == &debugUart) {
+        debugTxCpltCallback(huart);
+    }
+#endif //LOGGER_OUTPUT_BY_INTERRUPT    
+}
+
+void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi) {
+    if (hspi == &eepromSpi) {
+        eepromSpiTxCpltCallback(hspi);
     }
 }

cube/User/Src/mbusComm.c

@@ -1,116 +1,824 @@
+#include <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <math.h>
+
 #include <main.h>
 #include <usart.h>
 #include <PontCoopScheduler.h>
 #include <mbusComm.h>
 #include <loopCtrl.h>
-#include <signal.h>
+#include <show.h>
 #include <logger.h>
 #include <frontend.h>
+#include <wizHelper.h>
+#include <mbusParserExt.h>
+#include <mqttComm.h>
+#include <oled.h>
+#include <ringbuffer.h>
+#include <config.h>
 
+#include <mbus/mbus-protocol.h>
+
+
+static t_configBlock *config;
+
+static const uint8_t MBUS_QUERY_CMD = 0x5b;
+
+// Delay between end of last bit of sent request telegram
+// and enabling the frontend for receiving the response.
+// Standard says client must wait at least 11 bit times.
+// 1 / 2400 * 11 = 4.5e-3ms
+static const uint32_t DELAY_AFTER_SENDING = 4; // ms
 
 typedef enum {
-    IDLE,
-    SEND,
-    SEND_CONT,
-    SENDING,
-    SENDING_DONE,
-    ENABLE_FRONTEND,
-    DISABLE_FRONTEND
+    MBCR_SUCCESS = 0,
+    MBCR_ERROR_TIMEOUT,
+    MBCR_ERROR_LOOP_FAILURE,
+    MBCR_ERROR_TX_REG_UNACCESSIBLE,
+    MBCR_ERROR_OUT_OF_MEMORY__FRAME,
+    MBCR_ERROR_OUT_OF_MEMORY__USERDATA,
+    MBCR_ERROR_STATE_ENGINE__START1,
+    MBCR_ERROR_STATE_ENGINE__LENGTH1,
+    MBCR_ERROR_STATE_ENGINE__LENGTH2,
+    MBCR_ERROR_STATE_ENGINE__START2,
+    MBCR_ERROR_STATE_ENGINE__INVALID_CHKSUM,
+    MBCR_ERROR_STATE_ENGINE__STOP,
+    MBCR_ERROR_STATE_ENGINE__ILLEGAL_STATE,
+    MBCR_ERROR_STATE_ENGINE__UNKNOWN
+} e_mbusCommResult;
+
+typedef enum {
+    MBCS_IDLE,
+    MBCS_SEND,
+    MBCS_SEND_CONTINUED,
+    MBCS_SENDING,
+    MBCS_SENDING_DONE,
+    MBCS_WAIT_AFTER_SENDING,
+    MBCS_ENABLE_FRONTEND,
+    MBCS_START1,
+    MBCS_LENGTH1,
+    MBCS_LENGTH2,
+    MBCS_START2,
+    MBCS_C_FIELD,
+    MBCS_A_FIELD,
+    MBCS_CI_FIELD,
+    MBCS_USERDATA,
+    MBCS_CHKSUM,
+    MBCS_STOP,
+    MBCS_DONE,
+    MBCS_TIMEOUT,
+    MBCS_DISABLE_FRONTEND,
+    MBCS_ERROR,
+    MBCS_ERROR_CONTINUED
 } e_mbusCommState;
 
 typedef struct {
+  uint8_t start1;
+  uint8_t length1;
+  uint8_t length2;
+  uint8_t start2;
+  uint8_t l;
+  uint8_t c;
+  uint8_t a;
+  uint8_t ci;
+  uint8_t *userdata;
+  uint8_t chksum;
+  uint8_t stop;
+} t_longframe;
+
+typedef struct {
+    uint16_t size;
+    uint16_t readIdx;
+    uint16_t writeIdx;
+    uint8_t *buffer;
+} linearBuffer_t;
+
+typedef struct {
+    uint32_t requestId;
     e_mbusCommState state;
     uint8_t retryCnt;
     uint8_t cmd;
     uint8_t addr;
-    uint8_t sendBuf[5];
+    linearBuffer_t sendBuffer;
+    linearBuffer_t receiveBuffer;
+    uint32_t startTime;
+    uint8_t receiveCnt;
+    bool waitForOctet;
+    e_mbusCommResult result;
+    t_longframe frame;
+    t_mbusDevice *device;
 } t_mbusCommHandle;
 
-static t_mbusCommHandle mbusCommHandle = { .state = IDLE, .retryCnt = 0, .cmd = 0, .addr = 0 };
+
+static t_mbusCommHandle mbusCommHandle = { .requestId = 0, .state = MBCS_IDLE, .retryCnt = 0, .cmd = 0, .addr = 0, .startTime = 0, .receiveCnt = 0, .waitForOctet = false };
+
+static t_mbusCommStats mbusCommStats = { .mbusRequestCnt = 0, .mbusErrorCnt = 0, .uartOctetCnt = 0, .uartOverrunCnt = 0, .uartFramingErrCnt = 0, .uartParityErrCnt = 0, .uartNoiseErrCnt = 0 };
+
+static bool mbusCommEnabled = true;
+
+void mbusCommSetStats(t_mbusCommStats stats) {
+    mbusCommStats = stats;
+}
+
+t_mbusCommStats *mbusCommGetStats() {
+    return &mbusCommStats;
+}
 
 
-static void handleRequestEngine(void *handle) {
-    t_mbusCommHandle *localMbusCommHandle = (t_mbusCommHandle*) handle;
+static void printError() {
+    float errorRatio = ((float) mbusCommHandle.device->failures) / ((float) mbusCommHandle.device->requests);
+    coloredMsg(LOG_YELLOW, true, "mbc pe [%d] Error ratio is %.2f", 
+               mbusCommHandle.requestId,
+               errorRatio);
+    mqttPublishf(config->mbusDataTopic, "{\"Status\":\"Error\", \"RequestId\":\"%d\", \"Device\":\"%s\", \"Errors\":\"%d\", \"Requests\":\"%d\", \"ErrorRatio\":\"%.2f\"}", 
+                 mbusCommHandle.requestId, mbusCommHandle.device->deviceName,
+                 mbusCommHandle.device->failures, mbusCommHandle.device->requests, errorRatio);
+    oledPrintf(OLED_SCREEN0, "Err:%d/%d %.2f", mbusCommHandle.device->failures, mbusCommHandle.device->requests, errorRatio);
+}
 
-    switch (localMbusCommHandle->state) {
-        case IDLE:
-        logMsg("hre state IDLE");
+
+
+static void parseAndPrintFrame() {
+    t_longframe *frame = &(mbusCommHandle.frame);
+
+    mbus_frame reply;
+    memset(&reply, 0, sizeof(reply));
+
+    //mbus_parse(&reply, buf, len);
+    reply.start1 = frame->start1;
+    reply.length1 = frame->length1;
+    reply.length2 = frame->length2;
+    reply.start2 = frame->start2;
+    reply.control = frame->c;
+    reply.address = frame->a;
+    reply.control_information = frame->ci;
+    memcpy(reply.data, frame->userdata, frame->length1 - 3);
+    reply.checksum = frame->chksum;
+    reply.stop = frame->stop;
+    reply.type = MBUS_FRAME_TYPE_LONG;
+    reply.data_size = frame->length1 - 3;
+
+    mbus_frame_data frame_data;
+    memset(&frame_data, 0, sizeof(frame_data));
+
+    int r = mbus_frame_data_parse(&reply, &frame_data);
+    if (r == 0) {
+        mbus_data_variable *data_var = &(frame_data.data_var);
+        if (data_var->header.status) {
+            coloredMsg(LOG_RED, true, "mbc papf [%d] sts: %02x", mbusCommHandle.requestId, data_var->header.status);
+        }
+        if ((data_var->header.status & 0x01)) {
+            coloredMsg(LOG_RED, true, "mbc papf [%d] sts: Application Busy", mbusCommHandle.requestId);
+        }
+        if ((data_var->header.status & 0x02)) {
+            coloredMsg(LOG_RED, true, "mbc papf [%d] sts: Any Application Error", mbusCommHandle.requestId);
+        }
+        if ((data_var->header.status & 0x04)) {
+            coloredMsg(LOG_RED, true, "mbc papf [%d] sts: Power Low", mbusCommHandle.requestId);
+        }
+        if ((data_var->header.status & 0x08)) {
+            coloredMsg(LOG_RED, true, "mbc papf [%d] sts: Permanent Error", mbusCommHandle.requestId);
+        }
+        if ((data_var->header.status & 0x10)) {
+            coloredMsg(LOG_RED, true, "mbc papf [%d] sts: Temporary Error", mbusCommHandle.requestId);
+        }
+        if ((data_var->header.status & 0x20)) {
+            coloredMsg(LOG_RED, true, "mbc papf [%d] sts: Specific to manufacturer Error 1", mbusCommHandle.requestId);
+        }
+        if ((data_var->header.status & 0x40)) {
+            coloredMsg(LOG_RED, true, "mbc papf [%d] sts: Specific to manufacturer Error 2", mbusCommHandle.requestId);
+        }
+        if ((data_var->header.status & 0x80)) {
+            coloredMsg(LOG_RED, true, "mbc papf [%d] sts: Specific to manufacturer Error 3", mbusCommHandle.requestId);
+        }
+        mbus_data_record *record;
+        int i;
+        const char *keys[MBUSDEVICE_NUM_OF_CONSIDEREDFIELDS];
+        float values[MBUSDEVICE_NUM_OF_CONSIDEREDFIELDS];
+        uint8_t numOfConsideredFields = 0;
+        for (record = data_var->record, i = 0;
+             record;
+             record = record->next, i++) {
+            for (uint8_t j = 0; j < MBUSDEVICE_NUM_OF_CONSIDEREDFIELDS; j++) {
+                if (mbusCommHandle.device->consideredField[j] == i) {
+                    parsedVIB_t parsedVIB = parseVIB(record->drh.vib);
+                    // coloredMsg(LOG_YELLOW, false, "mbc papf [%d] parsed VIB N: %s, U: %s, E: %d",
+                    //            mbusCommHandle.requestId,
+                    //            parsedVIB.name, parsedVIB.unit, parsedVIB.exponent);
+                    if (parsedVIB.found) {
+                        uint32_t value = strtol(mbus_data_record_value(record), NULL, 10);
+                        float weightedValue = ((float) value) * powf(10.0, ((float) parsedVIB.exponent));
+                        coloredMsg(LOG_YELLOW, true, "mbc papf [%d] %s is %.1f %s (%d * 10^%d)",
+                                   mbusCommHandle.requestId, parsedVIB.name, weightedValue, parsedVIB.unit,
+                                   value, parsedVIB.exponent);
+                        keys[numOfConsideredFields] = parsedVIB.name;
+                        values[numOfConsideredFields] = weightedValue;
+                        numOfConsideredFields++;
+                    } else {
+                        coloredMsg(LOG_YELLOW, true, "mbc papf [%d] L:%d, VIF: 0x%02x U:%s V:%s", 
+                                   mbusCommHandle.requestId,
+                                   mbusCommHandle.device->consideredField[j],
+                                   record->drh.vib.vif,
+                                   mbus_data_record_unit(record),
+                                   mbus_data_record_value(record));
+                    }
+                    
+                }
+            }
+        }
+        float errorRatio = ((float) mbusCommHandle.device->failures) / ((float) mbusCommHandle.device->requests);
+        coloredMsg(LOG_YELLOW, true, "mbc papf [%d] Error ratio is %.2f", 
+                                   mbusCommHandle.requestId,
+                                   errorRatio);
+        if (numOfConsideredFields == 1) {
+            mqttPublishf(config->mbusDataTopic, "{\"Status\":\"Ok\", \"RequestId\":\"%d\", \"Device\":\"%s\", \"Errors\":\"%d\", \"Requests\":\"%d\", \"ErrorRatio\":\"%.2f\", " \
+                                     "\"Values\":{\"%s\":\"%.1f\"}}", 
+                         mbusCommHandle.requestId, mbusCommHandle.device->deviceName,
+                         mbusCommHandle.device->failures, mbusCommHandle.device->requests, errorRatio,
+                         keys[0], values[0]);
+        } else if (numOfConsideredFields == 2) {
+            mqttPublishf(config->mbusDataTopic, "{\"Status\":\"Ok\", \"RequestId\":\"%d\", \"Device\":\"%s\", \"Errors\":\"%d\", \"Requests\":\"%d\", \"ErrorRatio\":\"%.2f\", " \
+                                     "\"Values\":{\"%s\":\"%.1f\", \"%s\":\"%.1f\"}}", 
+                         mbusCommHandle.requestId, mbusCommHandle.device->deviceName,
+                         mbusCommHandle.device->failures, mbusCommHandle.device->requests, errorRatio,
+                         keys[0], values[0], keys[1], values[1]);
+        } else if (numOfConsideredFields == 3) {
+            mqttPublishf(config->mbusDataTopic, "{\"Status\":\"Ok\", \"RequestId\":\"%d\", \"Device\":\"%s\", \"Errors\":\"%d\", \"Requests\":\"%d\", \"ErrorRatio\":\"%.2f\", " \
+                                     "\"Values\":{\"%s\":\"%.1f\", \"%s\":\"%.1f\", \"%s\":\"%.1f\"}}", 
+                         mbusCommHandle.requestId, mbusCommHandle.device->deviceName,
+                         mbusCommHandle.device->failures, mbusCommHandle.device->requests, errorRatio,
+                         keys[0], values[0], keys[1], values[1], keys[2], values[2]);
+        } else if (numOfConsideredFields == 4) {
+            mqttPublishf(config->mbusDataTopic, "{\"Status\":\"Ok\", \"RequestId\":\"%d\", \"Device\":\"%s\", \"Errors\":\"%d\", \"Requests\":\"%d\", \"ErrorRatio\":\"%.2f\", " \
+                                     "\"Values\":{\"%s\":\"%.1f\", \"%s\":\"%.1f\", \"%s\":\"%.1f\", \"%s\":\"%.1f\"}}", 
+                         mbusCommHandle.requestId, mbusCommHandle.device->deviceName,
+                         mbusCommHandle.device->failures, mbusCommHandle.device->requests, errorRatio,
+                         keys[0], values[0], keys[1], values[1], keys[2], values[2], keys[3], values[3]);
+        }
+        oledPrintf(OLED_SCREEN0, "Ok:%d/%d %.2f", mbusCommHandle.device->failures, mbusCommHandle.device->requests, errorRatio);
+        mbus_data_record_free(data_var->record);
+    } else {
+        coloredMsg(LOG_RED, true, "mbc papf [%d] err: unable to parse frame", mbusCommHandle.requestId);
+    }
+}
+
+
+
+void mbusCommISR() {
+    uint32_t isrflags   = READ_REG(mbusUart.Instance->SR);
+    uint32_t cr1its     = READ_REG(mbusUart.Instance->CR1);
+
+    // RXNEIE doesn't need to be considered since it is always on and more over the
+    // RXNE flag is cleared by reading the DR, which is done in any case
+    if (((isrflags & USART_SR_RXNE) != RESET) || ((isrflags & (USART_SR_ORE | USART_SR_FE | USART_SR_PE | USART_SR_NE)) != RESET)) {
+        // Error flags are only valid together with the RX flag.
+        // They will be cleared by reading SR (already done above) followed by reading DR (below).
+        bool errorFound = false;
+        if ((isrflags & USART_SR_ORE) != RESET) {
+            mbusCommStats.uartOverrunCnt += 1;
+            errorFound = true;
+        }
+        if ((isrflags & USART_SR_FE) != RESET) {
+            mbusCommStats.uartFramingErrCnt += 1;
+            errorFound = true;
+        }
+        if ((isrflags & USART_SR_PE) != RESET) {
+            mbusCommStats.uartParityErrCnt += 1;
+            errorFound = true;
+        }
+        if ((isrflags & USART_SR_NE) != RESET) {
+            mbusCommStats.uartNoiseErrCnt += 1;
+            errorFound = true;
+        }
+        mbusCommStats.uartOctetCnt += 1;
+        // it is required to read the DR in any case here, not only when the buffer has space
+        // otherwise the interrupt flag won't be reset, particularly important in case of ORE
+        uint8_t data = (uint8_t)(mbusUart.Instance->DR & (uint8_t)0x00FF);
+        if ((! errorFound) &&
+            (mbusCommHandle.receiveBuffer.writeIdx < mbusCommHandle.receiveBuffer.size)) {
+            mbusCommHandle.receiveBuffer.buffer[mbusCommHandle.receiveBuffer.writeIdx] = data;
+            mbusCommHandle.receiveBuffer.writeIdx += 1;
+        }
+    } 
+    
+    // TXEIE needs to be considered since TXE is cleared by writing the DR, which isn't done
+    // after the last octet sent
+    if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET)) {
+        if (mbusCommHandle.sendBuffer.readIdx < mbusCommHandle.sendBuffer.writeIdx) {
+            mbusUart.Instance->DR = mbusCommHandle.sendBuffer.buffer[mbusCommHandle.sendBuffer.readIdx];
+            mbusCommHandle.sendBuffer.readIdx += 1;
+            if (mbusCommHandle.sendBuffer.readIdx == mbusCommHandle.sendBuffer.writeIdx) {
+                __HAL_UART_DISABLE_IT(&mbusUart, UART_IT_TXE);
+                __HAL_UART_ENABLE_IT(&mbusUart, UART_IT_TC);
+            }
+        }
+    } 
+
+    // advance the state for the engine only when the last octet is shifted out completely
+    if (((isrflags & USART_SR_TC) != RESET) && ((cr1its & USART_CR1_TCIE) != RESET)) {
+        __HAL_UART_DISABLE_IT(&mbusUart, UART_IT_TC);
+        mbusCommHandle.state = MBCS_SENDING_DONE;
+    }
+}
+
+
+void mbusCommExec() {
+    static uint8_t userdataIdx = 0;
+    static uint8_t calculatedChksum = 0;
+    uint8_t receivedOctet = 0;
+    static uint32_t delayAfterSendStartTime = 0;
+
+    if ((mbusCommHandle.startTime != 0) && ((mbusCommHandle.startTime + 2500) < HAL_GetTick())) {
+        mbusCommHandle.state = MBCS_TIMEOUT;
+    } else if (mbusCommHandle.waitForOctet) {
+        if (mbusCommHandle.receiveBuffer.readIdx >= mbusCommHandle.receiveBuffer.writeIdx) {
+            return; // no data available, wait
+        }
+        receivedOctet = mbusCommHandle.receiveBuffer.buffer[mbusCommHandle.receiveBuffer.readIdx];
+        mbusCommHandle.receiveBuffer.readIdx += 1;
+        mbusCommHandle.waitForOctet = false;
+    }
+
+    switch (mbusCommHandle.state) {
+        case MBCS_IDLE:
+        // coloredMsg(LOG_YELLOW, false, "mbc hre [%d] state IDLE", mbusCommHandle.requestId);
         break;
 
-        case SEND:
-        logMsg("hre state SEND");
-        localMbusCommHandle->sendBuf[0] = 0x10;
-        localMbusCommHandle->sendBuf[1] = localMbusCommHandle->cmd;
-        localMbusCommHandle->sendBuf[2] = localMbusCommHandle->addr;
-        localMbusCommHandle->sendBuf[3] = localMbusCommHandle->cmd + localMbusCommHandle->addr; // checksum
-        localMbusCommHandle->sendBuf[4] = 0x16;
-        localMbusCommHandle->state = SEND_CONT;
+        case MBCS_SEND:
+        // coloredMsg(LOG_YELLOW, false, "mbc hre [%d] state SEND", mbusCommHandle.requestId);
+        mbusCommHandle.sendBuffer.buffer[0] = 0x10;
+        mbusCommHandle.sendBuffer.buffer[1] = mbusCommHandle.cmd;
+        mbusCommHandle.sendBuffer.buffer[2] = mbusCommHandle.addr;
+        mbusCommHandle.sendBuffer.buffer[3] = mbusCommHandle.cmd + mbusCommHandle.addr; // checksum
+        mbusCommHandle.sendBuffer.buffer[4] = 0x16;
+        mbusCommHandle.sendBuffer.readIdx = 0;
+        mbusCommHandle.sendBuffer.writeIdx = 5;
+        mbusCommHandle.state = MBCS_SEND_CONTINUED;
         // no break !!
 
-        case SEND_CONT:
-        logMsg("hre state SEND_CONT");
-        signal(LED_RED, OFF);
+        case MBCS_SEND_CONTINUED:
+        // coloredMsg(LOG_YELLOW, false, "mbc hre [%d] state SEND_CONTINUED", mbusCommHandle.requestId);
+        show(LED_RED, OFF);
         if (! loopActive) {
-            logMsg("hre enabling loop, try %d", localMbusCommHandle->retryCnt);
-            localMbusCommHandle->retryCnt++;
+            coloredMsg(LOG_YELLOW, true, "mbc hre [%d] enabling loop, try %d", mbusCommHandle.requestId, mbusCommHandle.retryCnt);
+            mbusCommHandle.retryCnt++;
             loopEnable();
-            schAdd(handleRequestEngine, handle, 10, 0); // give 10ms to settled the loop
         } else {
-            localMbusCommHandle->retryCnt = 0;
-            HAL_UART_Transmit_IT(&mbusUart, localMbusCommHandle->sendBuf, 5);
-            localMbusCommHandle->state = SENDING;
+            mbusCommHandle.retryCnt = 0;
+            // enable transmitter interrupt
+            //coloredMsg(LOG_YELLOW, false, "mbc hre [%d] enable transmitter interrupt", mbusCommHandle.requestId);
+            __HAL_UART_ENABLE_IT(&mbusUart, UART_IT_TXE);
+            mbusCommHandle.state = MBCS_SENDING;
         }
         break;
 
-        // transition from SENDING to SENDING_DONE is initiate by mbusCommTxCpltCallback
-        // interrupt callback
-        case SENDING:
-        logMsg("hre state SENDING");
+        case MBCS_SENDING:
+        // transition from here to MBCS_SENDING_DONE is done by TX ISR
         break;
 
-        case SENDING_DONE:
-        logMsg("hre state SENDING_DONE");
-        localMbusCommHandle->state = ENABLE_FRONTEND;
-        schAdd(handleRequestEngine, handle, 3, 0);
+        case MBCS_SENDING_DONE:
+        //coloredMsg(LOG_YELLOW, false, "mbc hre [%d] state SENDING_DONE", mbusCommHandle.requestId);
+        delayAfterSendStartTime = HAL_GetTick();
+        mbusCommHandle.state = MBCS_WAIT_AFTER_SENDING;
         break;
 
-        case ENABLE_FRONTEND:
-        logMsg("hre state ENABLE_FRONTEND");
+        case MBCS_WAIT_AFTER_SENDING:
+        // Avoids switching on the frontend while there is still noise from sending on the loop
+        // Make sure to wait not too long otherwise the beginning of the response is missed
+        if ((delayAfterSendStartTime + DELAY_AFTER_SENDING) < HAL_GetTick()) {
+            mbusCommHandle.state = MBCS_ENABLE_FRONTEND;
+        }
+        break;
+
+        case MBCS_ENABLE_FRONTEND:
+        // coloredMsg(LOG_YELLOW, false, "mbc hre [%d] state ENABLE_FRONTEND", mbusCommHandle.requestId);
         frontendEnable();
-        localMbusCommHandle->state = DISABLE_FRONTEND;
-        schAdd(handleRequestEngine, handle, 500, 0);
+        calculatedChksum = 0;
+        userdataIdx = 0;
+        mbusCommHandle.receiveBuffer.readIdx = 0;
+        mbusCommHandle.receiveBuffer.writeIdx = 0;
+        mbusCommHandle.waitForOctet = true; // start receiver
+        mbusCommHandle.startTime = HAL_GetTick(); // start receiver timeout
+        mbusCommHandle.state = MBCS_START1;
         break;
 
-        case DISABLE_FRONTEND:
-        logMsg("hre state DISABLE_FRONTEND");
+        case MBCS_START1:
+        if (receivedOctet == 0x68) {
+            mbusCommHandle.frame.start1 = receivedOctet;
+            mbusCommHandle.waitForOctet = true;
+            mbusCommHandle.state = MBCS_LENGTH1;
+        } else {
+            coloredMsg(LOG_RED, true, "mbc hre [%d] err: invalid start1 symbol %02x", mbusCommHandle.requestId, receivedOctet);
+            mbusCommHandle.result = MBCR_ERROR_STATE_ENGINE__START1;
+            mbusCommHandle.state = MBCS_ERROR;
+        }
+        break;
+
+        case MBCS_LENGTH1:
+        if (receivedOctet <= 3) {
+            coloredMsg(LOG_RED, true, "mbc hre [%d] err: length to small %02x", mbusCommHandle.requestId, receivedOctet);
+            mbusCommHandle.result = MBCR_ERROR_STATE_ENGINE__LENGTH1;
+            mbusCommHandle.state = MBCS_ERROR;
+        } else {
+            mbusCommHandle.frame.length1 = receivedOctet;
+            mbusCommHandle.frame.userdata = (uint8_t*) malloc(mbusCommHandle.frame.length1 - 3);
+            if (! mbusCommHandle.frame.userdata) {
+                coloredMsg(LOG_RED, true, "mbc hre [%d] err: unable to allocate memory for userdata", mbusCommHandle.requestId);
+                mbusCommHandle.result = MBCR_ERROR_OUT_OF_MEMORY__USERDATA;
+                mbusCommHandle.state = MBCS_ERROR;
+            } else {
+                mbusCommHandle.waitForOctet = true;
+                mbusCommHandle.state = MBCS_LENGTH2;
+            }
+        }
+        break;
+
+        case MBCS_LENGTH2:
+        if (mbusCommHandle.frame.length1 != receivedOctet) {
+            coloredMsg(LOG_RED, true, "mbc hre [%d] err: invalid length2 %02x vs. %02x", 
+                       mbusCommHandle.requestId, mbusCommHandle.frame.length1, receivedOctet);
+            mbusCommHandle.result = MBCR_ERROR_STATE_ENGINE__LENGTH2;
+            mbusCommHandle.state = MBCS_ERROR;
+        } else {
+            mbusCommHandle.frame.length2 = receivedOctet;
+            mbusCommHandle.waitForOctet = true;
+            mbusCommHandle.state = MBCS_START2;
+        }
+        break;
+
+        case MBCS_START2:
+        if (receivedOctet == 0x68) {
+            mbusCommHandle.frame.start2 = receivedOctet;
+            mbusCommHandle.waitForOctet = true;
+            mbusCommHandle.state = MBCS_C_FIELD;
+        } else {
+            coloredMsg(LOG_RED, true, "mbc hre [%d] err: invalid start2 symbol %02x", 
+                       mbusCommHandle.requestId, receivedOctet);
+            mbusCommHandle.result = MBCR_ERROR_STATE_ENGINE__START2;
+            mbusCommHandle.state = MBCS_ERROR;
+        }
+        break;
+
+        case MBCS_C_FIELD:
+        mbusCommHandle.frame.c = receivedOctet;
+        calculatedChksum += receivedOctet;
+        mbusCommHandle.waitForOctet = true;
+        mbusCommHandle.state = MBCS_A_FIELD;
+        break;
+
+        case MBCS_A_FIELD:
+        mbusCommHandle.frame.a = receivedOctet;
+        calculatedChksum += receivedOctet;
+        mbusCommHandle.waitForOctet = true;
+        mbusCommHandle.state = MBCS_CI_FIELD;
+        break;
+
+        case MBCS_CI_FIELD:
+        mbusCommHandle.frame.ci = receivedOctet;
+        calculatedChksum += receivedOctet;
+        mbusCommHandle.waitForOctet = true;
+        mbusCommHandle.state = MBCS_USERDATA;
+        break;
+
+        case MBCS_USERDATA:
+        mbusCommHandle.frame.userdata[userdataIdx] = receivedOctet;
+        calculatedChksum += receivedOctet;
+        userdataIdx++;
+        mbusCommHandle.waitForOctet = true;
+        if (userdataIdx == (mbusCommHandle.frame.length1 - 3)) {
+            mbusCommHandle.state = MBCS_CHKSUM;
+        }
+        break;
+
+        case MBCS_CHKSUM:
+        if (receivedOctet != calculatedChksum) {
+            coloredMsg(LOG_RED, true, "mbc hre [%d] err: invalid checksum %02x vs %02x", 
+                       mbusCommHandle.requestId, calculatedChksum, receivedOctet);
+            mbusCommHandle.result = MBCR_ERROR_STATE_ENGINE__INVALID_CHKSUM;
+            mbusCommHandle.state = MBCS_ERROR;
+        } else {
+            mbusCommHandle.frame.chksum = receivedOctet;
+            mbusCommHandle.waitForOctet = true;
+            mbusCommHandle.state = MBCS_STOP;
+        }
+        break;
+
+        case MBCS_STOP:
+        if (receivedOctet == 0x16) {
+            mbusCommHandle.frame.stop = receivedOctet;
+            mbusCommHandle.state = MBCS_DONE;
+        } else {
+            coloredMsg(LOG_RED, true, "mbc hre [%d] err: invalid stop symbol %02x", 
+                       mbusCommHandle.requestId, receivedOctet);
+            mbusCommHandle.result = MBCR_ERROR_STATE_ENGINE__STOP;
+            mbusCommHandle.state = MBCS_ERROR;
+        }
+        break;
+
+        case MBCS_DONE:
+        // coloredMsg(LOG_YELLOW, false, "mbc hre [%d] state DONE", mbusCommHandle.requestId);
+        parseAndPrintFrame();
+        if (mbusCommHandle.frame.userdata != NULL) {
+            free(mbusCommHandle.frame.userdata);
+            mbusCommHandle.frame.userdata = NULL;
+        }
+        mbusCommHandle.result = MBCR_SUCCESS;
+        mbusCommHandle.state = MBCS_DISABLE_FRONTEND;
+        break;
+
+        case MBCS_ERROR:
+        // coloredMsg(LOG_RED, false, "mbc hre [%d] state ERROR", mbusCommHandle.requestId);
+        coloredMsg(LOG_RED, true, "mbc hre [%d] error", mbusCommHandle.requestId);
+        show(LED_RED, ON);
+        // disable frontend immediately in case of error since no more data in relevant
+        // this avoids strange noise on RX line/led
         frontendDisable();
-        localMbusCommHandle->state = IDLE;
+        mbusCommHandle.state = MBCS_ERROR_CONTINUED;
+        // no break
+
+        case MBCS_ERROR_CONTINUED:
+        // every error will be collected by a timeout to receive all data still on the wire
+        // to avoid leaking old data in responses for new requests
+        break;
+
+        case MBCS_TIMEOUT:
+        // coloredMsg(LOG_RED, false, "mbc hre [%d] state TIMEOUT", mbusCommHandle.requestId);
+        coloredMsg(LOG_RED, true, "mbc hre [%d] timeout", mbusCommHandle.requestId);
+        mbusCommStats.mbusErrorCnt += 1;
+        mbusCommHandle.device->failures += 1;
+        mbusCommHandle.startTime = 0; // disable timeout
+        mbusCommHandle.waitForOctet = false; // disable receiver
+        printError();
+        if (mbusCommHandle.frame.userdata != NULL) {
+            free(mbusCommHandle.frame.userdata);
+            mbusCommHandle.frame.userdata = NULL;
+        }
+        // no break
+
+        case MBCS_DISABLE_FRONTEND:
+        // coloredMsg(LOG_YELLOW, false, "mbc hre [%d] state DISABLE_FRONTEND", mbusCommHandle.requestId);
+        frontendDisable();
+        mbusCommHandle.startTime = 0; // disable timeout
+        mbusCommHandle.state = MBCS_IDLE;
         break;
         
 
         default:
-        localMbusCommHandle->state = IDLE;
+        mbusCommHandle.state = MBCS_IDLE;
         break;
     }
 }
 
-void mbusCommTxCpltCallback(UART_HandleTypeDef *huart) {
-    logMsg("mctx: mbus tx done");
-    if (mbusCommHandle.state == SENDING) {
-        mbusCommHandle.state = SENDING_DONE;
-        schAdd(handleRequestEngine, (void*) &mbusCommHandle, 0, 0);
-    }
+void mbusCommEnable(bool enable) {
+    mbusCommEnabled = enable;
 }
 
-void mbusCommRequest(uint8_t cmd, uint8_t addr) {
-    if (mbusCommHandle.state == IDLE) {
-        mbusCommHandle.state = SEND;
+static e_mbusCommRequestResult mbusCommRequest(t_mbusDevice *mbusDevice) {
+    e_mbusCommRequestResult res = MBCRR_BUSY;
+
+    if (mbusCommEnabled) {
+        if (mbusCommHandle.state == MBCS_IDLE) {
+            mbusCommHandle.requestId += 1;
+            mbusCommHandle.state = MBCS_SEND;
             mbusCommHandle.retryCnt = 0;
-        mbusCommHandle.cmd = cmd;
-        mbusCommHandle.addr = addr;
-        schAdd(handleRequestEngine, (void*) &mbusCommHandle, 0, 0);
+            mbusCommHandle.cmd = MBUS_QUERY_CMD;
+            mbusCommHandle.addr = mbusDevice->address;
+            mbusCommHandle.device = mbusDevice;
+            mbusDevice->requests += 1;
+
+            coloredMsg(LOG_YELLOW, true, "mbc mcr [%d] new request %s", 
+                    mbusCommHandle.requestId,
+                    mbusDevice->deviceName);
+
+            oledPrint(OLED_SCREEN0, mbusDevice->deviceName);
+            res = MBCRR_TRIGGERED;   
+
+            mbusCommStats.mbusRequestCnt += 1;
+        }
     } else {
-        // busy
+        res = MBCRR_DISABLED;
+    }
+
+    return res;
+}
+
+
+#define PERIOD 10
+
+static uint8_t numOfDevices = 0;
+static t_mbusDevice *devices = NULL;
+
+void mbusCommAddDevice(t_deviceBlock *deviceBlock) {
+    devices = (t_mbusDevice*) realloc((void*) devices, (numOfDevices + 1) * sizeof(t_mbusDevice));
+    strcpy(devices[numOfDevices].deviceName, deviceBlock->deviceName);
+    devices[numOfDevices].address = deviceBlock->address;
+    memcpy(devices[numOfDevices].consideredField, deviceBlock->consideredField, sizeof(deviceBlock->consideredField));
+    devices[numOfDevices].period = deviceBlock->period;
+    devices[numOfDevices].requests = 0;
+    devices[numOfDevices].failures = 0;
+    devices[numOfDevices].delay = 0;
+    devices[numOfDevices].waiting = false;
+    devices[numOfDevices].active = true;
+    coloredMsg(LOG_YELLOW, true, "mbc mbcad device added %d %s %d", numOfDevices, devices[numOfDevices].deviceName, devices[numOfDevices].address);
+    numOfDevices += 1;
+}
+
+/*
+static t_mbusDevice devices[] = {
+    {
+        .deviceName = "Total",
+        .address = 80,
+        .consideredField = { 0, 17, -1, -1 },
+        .requests = 0,
+        .failures = 0,
+        .period = PERIOD,
+        .delay = 0,
+        .waiting = false,
+        .active = true
+    },
+    {
+        .deviceName = "Computer",
+        .address = 85,
+        .consideredField = { 0, 4, 2, 3 },
+        .requests = 0,
+        .failures = 0,
+        .period = PERIOD,
+        .delay = 0,
+        .waiting = false,
+        .active = true
+    },
+    {
+        .deviceName = "Dryer",
+        .address = 81,
+        .consideredField = { 0, 4, 2, 3 },
+        .requests = 0,
+        .failures = 0,
+        .period = PERIOD,
+        .delay = 0,
+        .waiting = false,
+        .active = true
+    },
+    {
+        .deviceName = "Laundry",
+        .address = 82,
+        .consideredField = { 0, 4, 2, 3 },
+        .requests = 0,
+        .failures = 0,
+        .period = PERIOD,
+        .delay = 0,
+        .waiting = false,
+        .active = true
+    },
+    {
+        .deviceName = "Dishwasher",
+        .address = 83,
+        .consideredField = { 0, 4, 2, 3 },
+        .requests = 0,
+        .failures = 0,
+        .period = PERIOD,
+        .delay = 0,
+        .waiting = false,
+        .active = true
+    },
+    {
+        .deviceName = "Light",
+        .address = 84,
+        .consideredField = { 0, 4, 2, 3 },
+        .requests = 0,
+        .failures = 0,
+        .period = PERIOD,
+        .delay = 0,
+        .waiting = false,
+        .active = true
+    },
+    {
+        .deviceName = "Freezer",
+        .address = 86,
+        .consideredField = { 0, 4, 2, 3 },
+        .requests = 0,
+        .failures = 0,
+        .period = PERIOD,
+        .delay = 0,
+        .waiting = false,
+        .active = true
+    },
+    {
+        .deviceName = "Fridge",
+        .address = 87,
+        .consideredField = { 0, 4, 2, 3 },
+        .requests = 0,
+        .failures = 0,
+        .period = PERIOD,
+        .delay = 0,
+        .waiting = false,
+        .active = true
+    }
+};
+*/
+
+
+
+
+static void triggerMBusRequest(void *handle) {
+    static uint8_t deviceIndex = 0;
+
+    if (devices[deviceIndex].waiting) {
+        e_mbusCommRequestResult r = mbusCommRequest(&(devices[deviceIndex]));
+        if (r == MBCRR_TRIGGERED) {
+            devices[deviceIndex].waiting = false;
+            deviceIndex++;
+        }
+    } else {
+        deviceIndex++;
+    }
+    if (deviceIndex >= numOfDevices) {
+        deviceIndex = 0;
     }
 }
 
+
+static void mbusCommScheduler(void *handle) {
+    static uint8_t state = 0;
+
+    switch (state) {
+        case 0:
+            if (isNetworkAvailable()) {
+                coloredMsg(LOG_YELLOW, true, "mbc mcs activate scheduler by network");
+                schAdd(triggerMBusRequest, NULL, 0, 100);
+                state = 2;
+            }
+            break;
+
+        case 1:
+            if (mbusCommEnabled) {
+                coloredMsg(LOG_YELLOW, true, "mbc mcs activate scheduler by request");
+                schAdd(triggerMBusRequest, NULL, 0, 100);
+                state = 2;
+            }
+            break;
+
+        case 2:
+            if (! isNetworkAvailable()) {
+                coloredMsg(LOG_YELLOW, true, "mbc mcs deactivate scheduler by network");
+                schDel(triggerMBusRequest, NULL);
+                loopDisable();
+                state = 0;
+            }
+            if (! mbusCommEnabled) {
+                coloredMsg(LOG_YELLOW, true, "mbc mcs deactivate scheduler by request");
+                schDel(triggerMBusRequest, NULL);
+                loopDisable();
+                state = 1;
+            }
+            for (uint8_t i = 0; i < numOfDevices; i++) {
+                if (devices[i].active) {
+                    devices[i].delay -= 1;
+                    if (devices[i].delay <= 0) {
+                        devices[i].delay = devices[i].period;
+                        devices[i].waiting = true;
+                        coloredMsg(LOG_YELLOW, false, "mbc mcs scheduled: %s", devices[i].deviceName);
+                    }
+                }
+            }
+
+            // FIXME 
+            // state = 3;
+            break;
+        
+        case 3:
+            coloredMsg(LOG_YELLOW, false, "mbc mcs waiting for godot");
+            state = 4;
+            // no break
+
+        case 4:
+            break;
+    }
+}
+
+void mbusCommInit() {
+    config = getConfig();
+
+    coloredMsg(LOG_GREEN, true, "mbc mci initializing Meterbus communication");
+
+    // enable receive interrupts
+//    __HAL_UART_ENABLE_IT(&mbusUart, UART_IT_PE);
+//    __HAL_UART_ENABLE_IT(&mbusUart, UART_IT_ERR);
+    __HAL_UART_ENABLE_IT(&mbusUart, UART_IT_RXNE);
+
+    // init buffers
+    mbusCommHandle.receiveBuffer.size = 256;
+    mbusCommHandle.receiveBuffer.buffer = (uint8_t*) malloc(mbusCommHandle.receiveBuffer.size);
+    mbusCommHandle.receiveBuffer.readIdx = 0;
+    mbusCommHandle.receiveBuffer.writeIdx = 0;
+
+    mbusCommHandle.sendBuffer.size = 8;
+    mbusCommHandle.sendBuffer.buffer = (uint8_t*) malloc(mbusCommHandle.sendBuffer.size);
+    mbusCommHandle.sendBuffer.readIdx = 0;
+    mbusCommHandle.sendBuffer.writeIdx = 0;
+
+
+    // FIXME
+    schAdd(mbusCommScheduler, NULL, 0, 1000);
+}

cube/User/Src/mbusParserExt.c

@@ -0,0 +1,85 @@
+#include <mbus/mbus-protocol.h>
+#include <mbusParserExt.h>
+#include <logger.h>
+
+#include <string.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+
+
+static const char NAME_VOLTAGE[] = "Voltage";
+static const char NAME_CURRENT[] = "Current";
+static const char NAME_POWER[] = "Power";
+static const char NAME_ENERGY[] = "Energy";
+static const char NAME_UNKNOWN[] = "unknown";
+
+static const char UNIT_VOLT[] = "V";
+static const char UNIT_AMPERE[] = "A";
+static const char UNIT_WATT[] = "W";
+static const char UNIT_WATTHOUR[] = "Wh";
+static const char UNIT_UNKNOWN[] = "?";
+
+static parsedVIB_t parseVIB_FB(mbus_value_information_block vib) {
+    parsedVIB_t parsedVIB = { .name = NAME_UNKNOWN, .unit = UNIT_UNKNOWN, .exponent = 1, .found = false };
+
+    coloredMsg(LOG_RED, true, "mpe pvd_fb unknown vife 0x%02x", vib.vife[0]);
+
+    return parsedVIB;
+}
+
+static parsedVIB_t parseVIB_FD(mbus_value_information_block vib) {
+    parsedVIB_t parsedVIB = { .name = NAME_UNKNOWN, .unit = UNIT_UNKNOWN, .exponent = 1, .found = false };
+
+    if ((vib.vife[0] & 0b01110000) == 0b01000000) {
+        parsedVIB.name = NAME_VOLTAGE;
+        parsedVIB.unit = UNIT_VOLT;
+        parsedVIB.exponent = (vib.vife[0] & 0b01111) - 9;
+        parsedVIB.found = true;
+    } else if ((vib.vife[0] & 0b01110000) == 0b01010000) {
+        parsedVIB.name = NAME_CURRENT;
+        parsedVIB.unit = UNIT_AMPERE;
+        parsedVIB.exponent = (vib.vife[0] & 0b01111) - 12;
+        parsedVIB.found = true;
+    } else {
+        coloredMsg(LOG_RED, true, "mpe pvd_fd unknown vife 0x%02x", vib.vife[0]);
+    }
+
+    return parsedVIB;
+}
+
+static parsedVIB_t parseVIB_default(mbus_value_information_block vib) {
+    parsedVIB_t parsedVIB = { .name = NAME_UNKNOWN, .unit = UNIT_UNKNOWN, .exponent = 1, .found = false };
+
+    if ((vib.vif & 0b01111000) == 0b00000000) {
+        parsedVIB.name = NAME_ENERGY;
+        parsedVIB.unit = UNIT_WATTHOUR;
+        parsedVIB.exponent = (vib.vif & 0b0111) - 3;
+        parsedVIB.found = true;
+    } else if ((vib.vif & 0b01111000) == 0b00101000) {
+        parsedVIB.name = NAME_POWER;
+        parsedVIB.unit = UNIT_WATT;
+        parsedVIB.exponent = (vib.vif & 0b0111) - 3;
+        parsedVIB.found = true;
+    } else {
+        coloredMsg(LOG_RED, true, "mpe pvd unknown vif 0x%02x", vib.vif);
+    }
+
+    return parsedVIB;
+}
+
+
+parsedVIB_t parseVIB(mbus_value_information_block vib) {
+    parsedVIB_t parsedVIB;
+
+    if (vib.vif == 0xfb) {
+        parsedVIB = parseVIB_FB(vib);
+    } else if (vib.vif == 0xfd) {
+        parsedVIB = parseVIB_FD(vib);
+    } else {
+        parsedVIB = parseVIB_default(vib);
+    }
+
+    return parsedVIB;
+}
+

cube/User/Src/mqttComm.c

@@ -0,0 +1,180 @@
+#include <mqttComm.h>
+#include <logger.h>
+#include <main.h>
+
+#include <pubsubc.h>
+#include <platformAdaption.h>
+#include <PontCoopScheduler.h>
+#include <wizHelper.h>
+#include <mbusComm.h>
+#include <oled.h>
+#include <eeprom.h>
+#include <config.h>
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+extern const uint8_t MQTT_SOCK;
+
+static t_configBlock *config;
+
+client_t client;
+mqttClient_t mqttClient;
+
+uint8_t brokerAddress[4];
+uint16_t brokerPort = 1883;
+
+static uint32_t watchdogCounter = 0;
+
+void watchdogHandler(void *handle) {
+    if (watchdogCounter > 0) {
+        coloredMsg(LOG_GREEN, false, "Watchdog received in between");
+        watchdogCounter = 0;
+    } else {
+        coloredMsg(LOG_RED, true, "No watchdog received in between, booting the system ...");
+        // boot the system
+    }
+}
+
+// typedef void (*callback_t)(char*, uint8_t*, uint16_t);
+static void mqttCallback(char *topic, uint8_t *payload, uint16_t payloadLength) {
+    if (0 == strcmp(topic, config->watchdogTopic)) {
+        watchdogCounter++;
+    } else {
+        coloredMsg(LOG_GREEN, false, "mqcb: %s : %.*s", topic, payloadLength, payload);
+    }
+}
+
+static void mqttStatusPublisher(void *handle) {
+    coloredMsg(LOG_GREEN, false, "mqsp: publishing status");
+    t_mbusCommStats *mbusCommStats = mbusCommGetStats();
+    t_deviceStats* globalDeviceStats = getGlobalDeviceStats();
+
+    char buf[256];
+    uint32_t uptime = HAL_GetTick() / 1000;
+    snprintf(buf, sizeof(buf), "{\"uptime\":\"%ld\", \"runningHours\":\"%ld\", \"powerCycles\":\"%ld\", \"tasks\":\"%d\", \"requests\":\"%ld\", \"errors\":\"%ld\", \"octets\":\"%ld\", \"overrun\":\"%ld\", \"framing\":\"%ld\", \"parity\":\"%ld\", \"noise\":\"%ld\"}", 
+            uptime, globalDeviceStats->totalRunningHours, globalDeviceStats->totalPowercycles, schTaskCnt(), mbusCommStats->mbusRequestCnt, mbusCommStats->mbusErrorCnt, 
+            mbusCommStats->uartOctetCnt, mbusCommStats->uartOverrunCnt, mbusCommStats->uartFramingErrCnt, mbusCommStats->uartParityErrCnt, mbusCommStats->uartNoiseErrCnt);
+    bool res = publish(&mqttClient, config->statusTopic, (const uint8_t*)buf, strlen(buf), false);
+    coloredMsg(LOG_GREEN, false, "mqch, publish returned %d", res);
+
+    oledSetActiveScreen(OLED_SCREEN1);
+    oledClearActiveScreen();
+    uint8_t *addr = wizGetIPAddress();
+    oledPrintf(OLED_SCREEN1, "Addr:%d.%d.%d.%d", addr[0], addr[1], addr[2], addr[3]);
+    oledPrintf(OLED_SCREEN1, "Network available:%d", isNetworkAvailable());
+    oledPrintf(OLED_SCREEN1, "Uptime:%ld", uptime);
+    oledPrintf(OLED_SCREEN1, "PowerCycl:%d", globalDeviceStats->totalPowercycles);
+    oledPrintf(OLED_SCREEN1, "Req:%ld", mbusCommStats->mbusRequestCnt);
+    oledPrintf(OLED_SCREEN1, "Err:%ld", mbusCommStats->mbusErrorCnt);
+    oledPrintf(OLED_SCREEN1, "Uart:%d", mbusCommStats->uartOverrunCnt + mbusCommStats->uartFramingErrCnt + mbusCommStats->uartParityErrCnt + mbusCommStats->uartNoiseErrCnt);
+}
+
+void mqttCommHandler(void *handle) {
+    static uint8_t state = 0;
+    static uint8_t message[] = "MeterbusGateway3Variant starting";
+
+    if (isNetworkAvailable()) {
+        switch (state) {
+        case 0:
+            coloredMsg(LOG_GREEN, false, "mqch, initializing mqtt client");
+            client.sockNum = MQTT_SOCK;
+            mqttClientInit(&mqttClient, &client, mqttCallback);
+            coloredMsg(LOG_GREEN, false, "mqch: mqtt client initialized");
+
+            state = 1;
+            break;
+
+        case 1:
+            coloredMsg(LOG_GREEN, false, "mqch, resolving broker name");
+            if (! wizDnsQuery(config->brokerName, brokerAddress)) {
+                coloredMsg(LOG_GREEN, false, "mqch, query for broker address failed, going to error state");
+                state = 255;
+            }
+            coloredMsg(LOG_GREEN, false, "mqch, connecting to broker ");
+            bool res = mqttConnect(&mqttClient, brokerAddress, 1883, "mbv3gw-client", NULL, NULL, NULL, 0, false, NULL, false);
+            coloredMsg(LOG_GREEN, false, "mqch, mqttConnect returns %d", res);
+
+            if (res) {
+                coloredMsg(LOG_GREEN, false, "mqch, ok, connected");
+                state = 2;
+            } else {
+                state = 255;
+            }
+            break;
+
+        case 2:
+            coloredMsg(LOG_GREEN, false, "mqch, publish start-up");
+            res = publish(&mqttClient, config->startupTopic, (const uint8_t*)message, strlen((char*)message), false);
+            coloredMsg(LOG_GREEN, false, "mqch, publish returned %d", res);
+            schAdd(mqttStatusPublisher, NULL, 0, 60000);
+            coloredMsg(LOG_GREEN, false, "mqch, status publisher scheduled");
+            state = 3;
+            break;
+
+        case 3:
+            coloredMsg(LOG_GREEN, false, "mqch, subscribe watchdog");
+            res = subscribe(&mqttClient, config->watchdogTopic, MQTTQOS0);
+            coloredMsg(LOG_GREEN, false, "mqch, subscribe returned %d", res);
+            schAdd(watchdogHandler, NULL, 60000, 60000);
+            coloredMsg(LOG_GREEN, false, "mqch, watchdogHandler scheduled");
+            state = 4;
+            break;
+
+        case 4:
+            coloredMsg(LOG_GREEN, false, "mqch, now entering the loop");
+            state = 5;
+            break;
+
+        case 5:
+            if (! mqttLoop(&mqttClient)) {
+                state = 0;
+            }
+            break;
+
+        case 255:
+            coloredMsg(LOG_RED, true, "mqch, error state, will stop here");
+            schDel(mqttCommHandler, NULL);
+            schDel(watchdogHandler, NULL);
+            coloredMsg(LOG_RED, true, "mqch, trying again in one minute");
+            schAdd(mqttCommHandler, NULL, 60000, 100);
+            break;
+        }
+    }
+}
+
+void mqttCommInit() {
+    config = getConfig();
+    schAdd(mqttCommHandler, NULL, 0, 100);
+}
+
+void mqttPublish(const char *topic, char *message) {
+    bool res = false;
+    if (isNetworkAvailable()) {
+        res = publish(&mqttClient, topic, (const uint8_t*)message, strlen(message), false);
+    }
+    if (res) {
+        coloredMsg(LOG_GREEN, false, "mqp: %s -> %s successfully published", message, topic);
+    } else {
+        coloredMsg(LOG_RED, true, "mqp: %s -> %s failed to publish", message, topic);
+    }
+}
+
+void mqttPublishf(const char *topic, char *messageFormat, ...) {
+    va_list vl;
+    va_start(vl, messageFormat);
+    char buf[2048];
+    int res = vsnprintf(buf, sizeof(buf), messageFormat, vl);
+    va_end(vl);
+    if (res < sizeof(buf)) {
+        mqttPublish(topic, buf);
+    } else {
+        coloredMsg(LOG_RED, true, "mqc mpf buffer overflow, truncated message not published");
+    }
+}
+
+

cube/User/Src/oled.c

@@ -0,0 +1,461 @@
+/*
+ * Code found at http://www.instructables.com/id/How-to-use-OLED-display-arduino-module/
+ * Thank you very much!
+ * Adapted from Arduino to STM32 HAL by wollud1969
+ */
+
+#include <main.h>
+#include <spi.h>
+
+#include <stdint.h>
+#include <string.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+#include <oled.h>
+#include <oled-fonts.h>
+#include <stm32f1xx_hal.h>
+
+#include <logger.h>
+#include <PontCoopScheduler.h>
+
+
+#define HIGH GPIO_PIN_SET
+#define LOW GPIO_PIN_RESET
+
+static void __LEDPIN_RST(GPIO_PinState v) {
+  HAL_GPIO_WritePin(Display_RES_GPIO_Port, Display_RES_Pin, v);
+}
+
+static void __LEDPIN_DC(GPIO_PinState v) {
+  HAL_GPIO_WritePin(Display_DC_GPIO_Port, Display_DC_Pin, v);
+}
+
+static void __LEDPIN_CS(GPIO_PinState v) {
+  HAL_GPIO_WritePin(Display_CS_GPIO_Port, Display_CS_Pin, v);
+}
+
+static void oled_WrDat(unsigned char data)   
+{
+  __LEDPIN_CS(LOW);
+  __LEDPIN_DC(HIGH);
+
+  HAL_SPI_Transmit(&displaySpi, &data, 1, 0);
+
+  __LEDPIN_CS(HIGH);
+}
+
+static void oled_WrCmd(unsigned char cmd) 
+{
+  __LEDPIN_CS(LOW);
+  __LEDPIN_DC(LOW);
+
+  HAL_SPI_Transmit(&displaySpi, &cmd, 1, 0);
+
+  __LEDPIN_CS(HIGH);
+}
+
+static void oled_Set_Pos(unsigned char x, unsigned char y)
+{ 
+  oled_WrCmd(0xb0+y);
+  oled_WrCmd(((x&0xf0)>>4)|0x10);
+  oled_WrCmd((x&0x0f)|0x00);
+} 
+
+
+static void oled_Fill(unsigned char bmp_data)
+{
+  unsigned char y,x;
+
+  for(y=0;y<8;y++)
+  {
+    oled_WrCmd(0xb0+y);
+    oled_WrCmd(0x00);
+    oled_WrCmd(0x10);
+    for(x=0;x<128;x++)
+      oled_WrDat(bmp_data);
+  }
+} 
+
+
+
+static void oled_CLS(void) 
+{
+  unsigned char y,x;
+  for(y=0;y<8;y++)
+  {
+    oled_WrCmd(0xb0+y);
+    oled_WrCmd(0x00);
+    oled_WrCmd(0x10);
+    for(x=0;x<128;x++)
+      oled_WrDat(0);
+  }
+}
+
+static void oled_DLY_ms(unsigned int ms)
+{                         
+  uint32_t start = HAL_GetTick();
+  while (HAL_GetTick() < start + ms);
+}
+
+/*
+ * unused
+static void SetStartColumn(unsigned char d)
+{
+  oled_WrCmd(0x00+d%16);	// Set Lower Column Start Address for Page Addressing Mode
+  // Default => 0x00
+  oled_WrCmd(0x10+d/16);	// Set Higher Column Start Address for Page Addressing Mode
+  // Default => 0x10
+}
+*/
+
+static void SetAddressingMode(unsigned char d)
+{
+  oled_WrCmd(0x20);			// Set Memory Addressing Mode
+  oled_WrCmd(d);			// Default => 0x02
+  // 0x00 => Horizontal Addressing Mode
+  // 0x01 => Vertical Addressing Mode
+  // 0x02 => Page Addressing Mode
+}
+
+/*
+ * unused
+static void SetColumnAddress(unsigned char a, unsigned char b)
+{
+  oled_WrCmd(0x21);			// Set Column Address
+  oled_WrCmd(a);			// Default => 0x00 (Column Start Address)
+  oled_WrCmd(b);			// Default => 0x7F (Column End Address)
+}
+*/
+/*
+ * unused
+static void SetPageAddress(unsigned char a, unsigned char b)
+{
+  oled_WrCmd(0x22);			// Set Page Address
+  oled_WrCmd(a);			// Default => 0x00 (Page Start Address)
+  oled_WrCmd(b);			// Default => 0x07 (Page End Address)
+}
+*/
+
+static void SetStartLine(unsigned char d)
+{
+  oled_WrCmd(0x40|d);		// Set Display Start Line
+  // Default => 0x40 (0x00)
+}
+
+static void SetContrastControl(unsigned char d)
+{
+  oled_WrCmd(0x81);			// Set Contrast Control
+  oled_WrCmd(d);			// Default => 0x7F
+}
+
+static void Set_Charge_Pump(unsigned char d)
+{
+  oled_WrCmd(0x8D);			// Set Charge Pump
+  oled_WrCmd(0x10|d);		// Default => 0x10
+  // 0x10 (0x00) => Disable Charge Pump
+  // 0x14 (0x04) => Enable Charge Pump
+}
+
+static void Set_Segment_Remap(unsigned char d)
+{
+  oled_WrCmd(0xA0|d);		// Set Segment Re-Map
+  // Default => 0xA0
+  // 0xA0 (0x00) => Column Address 0 Mapped to SEG0
+  // 0xA1 (0x01) => Column Address 0 Mapped to SEG127
+}
+
+static void Set_Entire_Display(unsigned char d)
+{
+  oled_WrCmd(0xA4|d);		// Set Entire Display On / Off
+  // Default => 0xA4
+  // 0xA4 (0x00) => Normal Display
+  // 0xA5 (0x01) => Entire Display On
+}
+
+static void Set_Inverse_Display(unsigned char d)
+{
+  oled_WrCmd(0xA6|d);		// Set Inverse Display On/Off
+  // Default => 0xA6
+  // 0xA6 (0x00) => Normal Display
+  // 0xA7 (0x01) => Inverse Display On
+}
+
+static void Set_Multiplex_Ratio(unsigned char d)
+{
+  oled_WrCmd(0xA8);			// Set Multiplex Ratio
+  oled_WrCmd(d);			// Default => 0x3F (1/64 Duty)
+}
+
+static void Set_Display_On_Off(unsigned char d)
+{
+  oled_WrCmd(0xAE|d);		// Set Display On/Off
+  // Default => 0xAE
+  // 0xAE (0x00) => Display Off
+  // 0xAF (0x01) => Display On
+}
+
+/*
+ * unused
+static void SetStartPage(unsigned char d)
+{
+  oled_WrCmd(0xB0|d);		// Set Page Start Address for Page Addressing Mode
+  // Default => 0xB0 (0x00)
+}
+*/
+
+static void Set_Common_Remap(unsigned char d)
+{
+  oled_WrCmd(0xC0|d);		// Set COM Output Scan Direction
+  // Default => 0xC0
+  // 0xC0 (0x00) => Scan from COM0 to 63
+  // 0xC8 (0x08) => Scan from COM63 to 0
+}
+
+static void Set_Display_Offset(unsigned char d)
+{
+  oled_WrCmd(0xD3);			// Set Display Offset
+  oled_WrCmd(d);			// Default => 0x00
+}
+
+static void Set_Display_Clock(unsigned char d)
+{
+  oled_WrCmd(0xD5);			// Set Display Clock Divide Ratio / Oscillator Frequency
+  oled_WrCmd(d);			// Default => 0x80
+  // D[3:0] => Display Clock Divider
+  // D[7:4] => Oscillator Frequency
+}
+
+static void Set_Precharge_Period(unsigned char d)
+{
+  oled_WrCmd(0xD9);			// Set Pre-Charge Period
+  oled_WrCmd(d);			// Default => 0x22 (2 Display Clocks [Phase 2] / 2 Display Clocks [Phase 1])
+  // D[3:0] => Phase 1 Period in 1~15 Display Clocks
+  // D[7:4] => Phase 2 Period in 1~15 Display Clocks
+}
+
+static void Set_Common_Config(unsigned char d)
+{
+  oled_WrCmd(0xDA);			// Set COM Pins Hardware Configuration
+  oled_WrCmd(0x02|d);		// Default => 0x12 (0x10)
+  // Alternative COM Pin Configuration
+  // Disable COM Left/Right Re-Map
+}
+
+static void Set_VCOMH(unsigned char d)
+{
+  oled_WrCmd(0xDB);			// Set VCOMH Deselect Level
+  oled_WrCmd(d);			// Default => 0x20 (0.77*VCC)
+}
+
+/*
+ * unused
+static void Set_NOP(void)
+{
+  oled_WrCmd(0xE3);			// Command for No Operation
+}
+*/
+
+void oledInit(void)
+{
+  // LEDPIN_Init();
+  //	LED_PORT=0X0F;
+  //LED_SCLH;;;
+  //LED_RSTL;;;
+  //digitalWrite(SCL_PIN,HIGH);;;
+  __LEDPIN_RST(LOW);
+  //	for(i=0;i<100;i++)asm("nop");
+  oled_DLY_ms(50);
+  //LED_RSTH;;;
+  __LEDPIN_RST(HIGH);
+
+  Set_Display_On_Off(0x00);		  // Display Off (0x00/0x01)
+  Set_Display_Clock(0x80);		  // Set Clock as 100 Frames/Sec
+  Set_Multiplex_Ratio(0x3F);	  // 1/64 Duty (0x0F~0x3F)
+  Set_Display_Offset(0x00);		  // Shift Mapping RAM Counter (0x00~0x3F)
+  SetStartLine(0x00);			  // Set Mapping RAM Display Start Line (0x00~0x3F)
+  Set_Charge_Pump(0x04);		  // Enable Embedded DC/DC Converter (0x00/0x04)
+  SetAddressingMode(0x02);	  // Set Page Addressing Mode (0x00/0x01/0x02)
+  Set_Segment_Remap(0x01);	  // Set SEG/Column Mapping
+  Set_Common_Remap(0x08);	  // Set COM/Row Scan Direction
+  Set_Common_Config(0x10);	  // Set Sequential Configuration (0x00/0x10)
+  SetContrastControl(0xCF); // Set SEG Output Current
+  Set_Precharge_Period(0xF1);	  // Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
+  Set_VCOMH(0x40);			  // Set VCOM Deselect Level
+  Set_Entire_Display(0x00);		  // Disable Entire Display On (0x00/0x01)
+  Set_Inverse_Display(0x00);	  // Disable Inverse Display On (0x00/0x01)
+  Set_Display_On_Off(0x01);		  // Display On (0x00/0x01)
+  oled_Fill(0x00);                               //clear all
+  oled_Set_Pos(0,0);
+} 
+
+/*
+ * unused
+static void oled_P6x8Char(unsigned char x,unsigned char y,unsigned char ch)
+{
+  unsigned char c=0,i=0;
+
+  c =ch-32;
+  if(x>122)
+  {
+    x=0;
+    y++;
+  }
+  oled_Set_Pos(x,y);
+  for(i=0;i<6;i++)
+  {
+    oled_WrDat(F6x8[c][i]);
+  }
+}
+*/
+
+static void oled_P6x8Str(unsigned char x,unsigned char y,char ch[])
+{
+  // coloredMsg(LOG_BLUE, false, "OLED: %d %d %s", x, y, ch);
+
+  unsigned char c=0,i=0,j=0;
+  while (ch[j]!='\0')
+  {
+    c =ch[j]-32;
+    if(x>126)
+    {
+      x=0;
+      y++;
+    }
+    oled_Set_Pos(x,y);
+    for(i=0;i<6;i++)
+    {
+      oled_WrDat(F6x8[c][i]);
+    }
+    x+=6;
+    j++;
+  }
+}
+
+/*
+ * unused
+static void oled_P8x16Str(unsigned char x,unsigned char y,char ch[])
+{
+  unsigned char c=0,i=0,j=0;
+  while (ch[j]!='\0')
+  {
+    c =ch[j]-32;
+    if(x>120)
+    {
+      x=0;
+      y++;
+    }
+    oled_Set_Pos(x,y);
+    for(i=0;i<8;i++)
+    {
+      oled_WrDat(F8X16[(c<<4)+i]);
+    }
+    oled_Set_Pos(x,y+1);
+    for(i=0;i<8;i++)
+    {
+      oled_WrDat(F8X16[(c<<4)+i+8]);
+    }
+    x+=8;
+    j++;
+  }
+}
+*/
+
+
+/*
+ * unused
+static void oled_PrintBMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char bmp[])
+{ 	
+  int ii=0;
+  unsigned char x,y;
+  for(y=y0;y<=y1;y++)
+  {
+    oled_Set_Pos(x0,y);
+    for(x=x0;x<x1;x++)
+    {
+      oled_WrDat(bmp[ii++]);
+    }
+  }
+}
+*/
+
+/*
+ * unused
+static void oled_Cursor(unsigned char cursor_column, unsigned char cursor_row)
+{
+  if(cursor_row != 0)
+  {
+    if(cursor_column == 1) oled_Set_Pos(0, cursor_row + 2);
+    else  oled_Set_Pos(80 + (cursor_column - 2)*6, cursor_row + 2);
+    oled_WrDat(0xFF);
+    oled_WrDat(0xFF);
+    oled_WrDat(0xFF);
+    oled_WrDat(0xFF);
+    oled_WrDat(0xFF);
+    oled_WrDat(0xFF);
+  }
+}
+*/
+
+
+#define MAX_LINES 8
+#define MAX_CHARS 21
+#define NUM_OF_SCREENS 2
+
+static uint8_t currentLine = 0;
+static char lines[NUM_OF_SCREENS][MAX_LINES+1][MAX_CHARS+1];
+static oledScreen_t activeScreen = OLED_SCREEN0;
+
+void oledClearActiveScreen() {
+  oled_CLS();
+  memset(lines[activeScreen], 0, sizeof(lines[activeScreen]));
+  currentLine = 0;
+}
+
+void oledClearAllScreens() {
+  oled_CLS();
+  memset(lines, 0, sizeof(lines));
+  currentLine = 0;
+}
+
+void oledPrint(oledScreen_t screen, char msg[]) {
+  if (currentLine < MAX_LINES) {
+    strncpy(lines[screen][currentLine], msg, MAX_CHARS);
+    memset(lines[screen][currentLine] + strlen(msg), ' ', MAX_CHARS - strlen(msg) - 1);
+    lines[screen][currentLine][MAX_CHARS - 1] = 0;  
+    currentLine++;
+  } else {
+    for (uint8_t i = 1; i < MAX_LINES; i++) {
+      memcpy(lines[screen][i-1], lines[screen][i], MAX_CHARS);
+    }
+    strncpy(lines[screen][MAX_LINES - 1], msg, MAX_CHARS);
+    memset(lines[screen][MAX_LINES - 1] + strlen(msg), ' ', MAX_CHARS - strlen(msg) - 1);
+    lines[screen][MAX_LINES - 1][MAX_CHARS - 1] = 0;
+  }
+
+  if (screen == activeScreen) {
+    for (uint8_t line = 0; line < MAX_LINES; line++) {
+      oled_P6x8Str(1, line, lines[activeScreen][line]);
+    }
+  }
+}
+
+static void oledSwitchBackToScreen0(void *handle) {
+    oledSetActiveScreen(OLED_SCREEN0);
+}
+
+void oledSetActiveScreen(oledScreen_t screen) {
+  activeScreen = screen;
+  if (screen == OLED_SCREEN1) {
+    schAdd(oledSwitchBackToScreen0, NULL, 10000, 0);
+  }
+}
+
+void oledPrintf(oledScreen_t screen, const char *format, ...) {
+    va_list vl;
+    va_start(vl, format);
+    char buf[MAX_CHARS+1];
+    vsnprintf(buf, MAX_CHARS, format, vl);
+    va_end(vl);
+    oledPrint(screen, buf);
+}

cube/User/Src/ports.c

@@ -0,0 +1,11 @@
+#include <stdint.h>
+
+
+
+// on the W5500 there are eight ports available
+
+const uint8_t DHCP_SOCK = 0;
+const uint8_t MQTT_SOCK = 1;
+const uint8_t CMD_SOCK = 2;
+const uint8_t SYSLOG_SOCK = 3;
+const uint8_t DNS_SOCK = 4;

cube/User/Src/regularCmds.c

@@ -0,0 +1,57 @@
+#include <cmdHelper.h>
+#include <logger.h>
+
+#include <mbusComm.h>
+#include <eeprom.h>
+
+
+static bool globalStatsCmd(uint8_t argc, char **args) {
+    uint32_t uptime = HAL_GetTick() / 1000;
+    sendFormatString(\
+      "Current uptime:        %ld\n\r" \
+      "\n\r",
+      uptime
+    );
+
+    t_deviceStats *deviceStats = getGlobalDeviceStats();
+    sendFormatString(\
+      "Global Device statistics\n\r" \
+      "  Total running hours: %ld\n\r" \
+      "  Total power cycles:  %ld\n\r" \
+      "  Total requests:      %ld\n\r" \
+      "  Total failures:      %ld\n\r" \
+      "\n\r",
+      deviceStats->totalRunningHours, deviceStats->totalPowercycles,
+      deviceStats->totalRequests, deviceStats->totalFailures
+    );
+
+    t_mbusCommStats *mbusStats = mbusCommGetStats();
+    sendFormatString(\
+      "Global Meterbus/UART statistics\n\r" \
+      "  Meterbus Requests:   %ld\n\r" \
+      "  Meterbus Errors:     %ld\n\r" \
+      "  UART Octets:         %ld\n\r" \
+      "  UART Overruns:       %ld\n\r" \
+      "  UART Framing Errs:   %ld\n\r" \
+      "  UART Parity Errs:    %ld\n\r" \
+      "  UART Noise Errs:     %ld\n\r",
+      mbusStats->mbusRequestCnt, mbusStats->mbusErrorCnt,
+      mbusStats->uartOctetCnt, mbusStats->uartOverrunCnt, mbusStats->uartFramingErrCnt, mbusStats->uartParityErrCnt, mbusStats->uartNoiseErrCnt
+    );
+    return true;
+}
+
+
+
+const cmd_t COMMANDS[] = {
+    { .name = "globalStats", .cmdFunc = globalStatsCmd,
+      .help = \
+        "globalStats .......................... Show the global statistics\n\r" \
+        "                                       counters requestCnt and errorCnt\n\r"
+    },
+    { .name = "END_OF_CMDS", .help = "",.cmdFunc = NULL }
+};
+
+const cmd_t *getRegularCommands() {
+    return COMMANDS;
+}

cube/User/Src/ringbuffer.c

@@ -19,6 +19,7 @@ void ringbufferFree(ringbuffer_t *handle) {
     handle->bufferWriteIdx = 0;    
 }
 
+
 int ringbufferPut(ringbuffer_t *handle, uint8_t *data, uint32_t dataLen) {
     uint32_t freeSpace = 0;
     if (handle->bufferReadIdx == handle->bufferWriteIdx) {
@@ -61,7 +62,7 @@ uint8_t *ringbufferGet(ringbuffer_t *handle, uint32_t dataLen) {
 
 int ringbufferGetOne(ringbuffer_t *handle) {
     int res = -1;
-    if (! ringbufferEmpty(handle)) {
+    if (handle->bufferReadIdx != handle->bufferWriteIdx) {
         uint8_t r = *(handle->buffer + handle->bufferReadIdx);
         handle->bufferReadIdx += 1;
         if (handle->bufferReadIdx == handle->bufferSize) {

cube/User/Src/show.c

@@ -0,0 +1,46 @@
+#include <main.h>
+#include <show.h>
+#include <PontCoopScheduler.h>
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <stm32f103xe.h>
+
+
+typedef struct {
+    GPIO_TypeDef *port;
+    uint16_t pin;
+    signalAction_t currentState;
+} showElement_t;
+
+showElement_t showElement[] = {
+    { .port = Debug_Signal_1_GPIO_Port, .pin = Debug_Signal_1_Pin, .currentState = OFF },
+    { .port = Debug_Signal_2_GPIO_Port, .pin = Debug_Signal_2_Pin, .currentState = OFF },
+    { .port = LED_Red_GPIO_Port, .pin = LED_Red_Pin, .currentState = OFF },
+    { .port = LED_Green_GPIO_Port, .pin = LED_Green_Pin, .currentState = OFF },
+    { .port = NULL, .pin = 0, .currentState = OFF }
+};
+
+static void showHandler(void *handle) {
+    uint8_t idx = 0;
+    while (showElement[idx].port) {
+        if (showElement[idx].currentState == BLINK) {
+            HAL_GPIO_TogglePin(showElement[idx].port, showElement[idx].pin);
+        }
+        idx++;
+    }
+}
+
+void show(signalPin_t signalPin, signalAction_t action) {
+    showElement[signalPin].currentState = action;
+    if (action == ON || action == OFF) {
+        HAL_GPIO_WritePin(showElement[signalPin].port, showElement[signalPin].pin, ((action == ON) ? GPIO_PIN_SET : GPIO_PIN_RESET));
+    } else if (action == TOGGLE) {
+        HAL_GPIO_TogglePin(showElement[signalPin].port, showElement[signalPin].pin);
+    }
+}
+
+void showInit() {
+    schAdd(showHandler, NULL, 0, 250);
+}

cube/User/Src/signal.c

@@ -1,49 +0,0 @@
-#include <main.h>
-#include <signal.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stm32f103xe.h>
-
-
-void signal(signalPin_t signalPin, signalAction_t action) {
-    GPIO_TypeDef *port = NULL;
-    uint16_t pin = 0;
-
-    switch (signalPin) {
-        case DEBUG_1:
-        port = Debug_Signal_1_GPIO_Port;
-        pin = Debug_Signal_1_Pin;
-        break;
-
-        case DEBUG_2:
-        port = Debug_Signal_2_GPIO_Port;
-        pin = Debug_Signal_2_Pin;
-        break;
-
-        case LED_RED:
-        port = LED_Red_GPIO_Port;
-        pin = LED_Red_Pin;
-        break;
-
-        case LED_GREEN:
-        port = LED_Green_GPIO_Port;
-        pin = LED_Green_Pin;
-        break;
-    }
-
-    if (port != NULL) {
-        switch (action) {
-            case ON:
-            HAL_GPIO_WritePin(port, pin, GPIO_PIN_SET);
-            break;
-
-            case OFF:
-            HAL_GPIO_WritePin(port, pin, GPIO_PIN_RESET);
-            break;
-
-            case TOGGLE:
-            HAL_GPIO_TogglePin(port, pin);
-            break;
-        }
-    }
-}

cube/User/Src/utils.c

@@ -0,0 +1,10 @@
+#include <utils.h>
+#include <main.h>
+#include <stdint.h>
+
+
+// active waiting, use only during initialization!
+void activeDelay(uint8_t delay_ms) {
+  uint32_t startTime = HAL_GetTick();
+  while (startTime + delay_ms > HAL_GetTick());
+}

cube/User/Src/wizHelper.c

@@ -0,0 +1,232 @@
+#include <wizHelper.h>
+#include <stdint.h>
+#include <main2.h>
+#include <spi.h>
+#include <stdbool.h>
+#include <logger.h>
+#include <PontCoopScheduler.h>
+#include <utils.h>
+#include <wizchip_conf.h>
+#include <string.h>
+#include <dhcp.h>
+#include <show.h>
+#include <oled.h>
+#include <dns.h>
+#include <config.h>
+
+
+
+static t_configBlock *config;
+
+wiz_NetInfo netInfo;
+
+#define DHCP_BUFFER_SIZE 2048
+static uint8_t dhcpBuffer[DHCP_BUFFER_SIZE];
+
+#define DNS_BUFFER_SIZE MAX_DNS_BUF_SIZE
+static uint8_t dnsBuffer[DNS_BUFFER_SIZE];
+
+extern const uint8_t DHCP_SOCK;
+extern const uint8_t DNS_SOCK;
+
+static bool networkAvailable = false;
+
+bool isNetworkAvailable() {
+    return networkAvailable;
+}
+
+uint8_t* wizGetIPAddress() {
+    return netInfo.ip;
+}
+static void wiz_cs_select(void) {
+    HAL_GPIO_WritePin(ETHER_CS_GPIO_Port, ETHER_CS_Pin, GPIO_PIN_RESET);
+}
+
+static void wiz_cs_deselect(void) {
+    HAL_GPIO_WritePin(ETHER_CS_GPIO_Port, ETHER_CS_Pin, GPIO_PIN_SET);
+}
+
+static uint8_t wiz_spi_readbyte(void) {
+    uint8_t rbuf;
+    HAL_SPI_Receive(&etherSpi, &rbuf, 1, HAL_MAX_DELAY);
+    return rbuf;
+}
+
+static void wiz_spi_writebyte(uint8_t wb) {
+    HAL_SPI_Transmit(&etherSpi, &wb, 1, HAL_MAX_DELAY);
+}
+
+static void wiz_spi_readburst(uint8_t* pBuf, uint16_t len) {
+    HAL_SPI_Receive(&etherSpi, pBuf, len, HAL_MAX_DELAY);
+}
+
+static void wiz_spi_writeburst(uint8_t* pBuf, uint16_t len) {
+    HAL_SPI_Transmit(&etherSpi, pBuf, len, HAL_MAX_DELAY);
+}
+
+static void wizReset(bool b) {
+    HAL_GPIO_WritePin(ETHER_RES_GPIO_Port, ETHER_RES_Pin, b ? GPIO_PIN_RESET : GPIO_PIN_SET);
+}
+
+
+static void wizDHCPAssign() {
+    coloredMsg(LOG_BLUE, false, "wizda");
+    getIPfromDHCP(netInfo.ip);
+    coloredMsg(LOG_BLUE, false, "wizda, IP:  %d.%d.%d.%d", netInfo.ip[0], netInfo.ip[1], netInfo.ip[2], netInfo.ip[3]);
+    getGWfromDHCP(netInfo.gw);
+    coloredMsg(LOG_BLUE, false, "wizda, GW:  %d.%d.%d.%d", netInfo.gw[0], netInfo.gw[1], netInfo.gw[2], netInfo.gw[3]);
+    getSNfromDHCP(netInfo.sn);
+    coloredMsg(LOG_BLUE, false, "wizda, SN:  %d.%d.%d.%d", netInfo.sn[0], netInfo.sn[1], netInfo.sn[2], netInfo.sn[3]);
+    getDNSfromDHCP(netInfo.dns);
+    coloredMsg(LOG_BLUE, false, "wizda, DNS: %d.%d.%d.%d", netInfo.dns[0], netInfo.dns[1], netInfo.dns[2], netInfo.dns[3]);
+
+    wizchip_setnetinfo(&netInfo);
+    coloredMsg(LOG_BLUE, false, "wizda, set netinfo again");
+
+    networkAvailable = true;
+    show(LED_GREEN, ON);
+    coloredMsg(LOG_BLUE, false, "wizda, network is available");
+
+    oledPrintf(OLED_SCREEN0, "Addr:%d.%d.%d.%d", netInfo.ip[0], netInfo.ip[1], netInfo.ip[2], netInfo.ip[3]);
+}
+
+static void wizDHCPUpdate() {
+    coloredMsg(LOG_BLUE, false, "wizdu");
+    getIPfromDHCP(netInfo.ip);
+    coloredMsg(LOG_BLUE, false, "wizdu, IP:  %d.%d.%d.%d", netInfo.ip[0], netInfo.ip[1], netInfo.ip[2], netInfo.ip[3]);
+    getGWfromDHCP(netInfo.gw);
+    coloredMsg(LOG_BLUE, false, "wizdu, GW:  %d.%d.%d.%d", netInfo.gw[0], netInfo.gw[1], netInfo.gw[2], netInfo.gw[3]);
+    getSNfromDHCP(netInfo.sn);
+    coloredMsg(LOG_BLUE, false, "wizdu, SN:  %d.%d.%d.%d", netInfo.sn[0], netInfo.sn[1], netInfo.sn[2], netInfo.sn[3]);
+    getDNSfromDHCP(netInfo.dns);
+    coloredMsg(LOG_BLUE, false, "wizdu, DNS: %d.%d.%d.%d", netInfo.dns[0], netInfo.dns[1], netInfo.dns[2], netInfo.dns[3]);
+
+    wizchip_setnetinfo(&netInfo);
+    coloredMsg(LOG_BLUE, false, "wizdu, netinfo updated");
+}
+
+static void wizDHCPHandler(void *handle) {
+    static uint8_t lastDhcpRes = 255;
+
+    uint8_t res = DHCP_run();
+
+    if (lastDhcpRes != res) {
+        coloredMsg(LOG_BLUE, false, "wizdh, dhcp state has changed: %d", res);
+        lastDhcpRes = res;
+    }
+}
+
+bool wizDnsQuery(char *name, uint8_t *ip) {
+    bool retCode = false;
+    coloredMsg(LOG_BLUE, false, "wizdq, querying for %s", name);
+    int8_t res = DNS_run(netInfo.dns, (uint8_t*) name, ip);
+    coloredMsg(LOG_BLUE, false, "wizdq, DNS_run returns %d", res);
+    retCode = (res == 1);
+    if (retCode) {
+        coloredMsg(LOG_BLUE, false, "wizdq, got address %d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
+    }
+    return retCode;
+}
+
+static void wizPhyLinkHandler(void *handle) {
+    // this handler is anyhow called with a 1s period, so we reuse it for the DNS timer
+    DNS_time_handler();
+
+    static uint8_t lastStablePhyLink = 255;
+    static bool dhcpInitialized = false;
+
+    uint8_t phyLink = 0;
+    int8_t res = ctlwizchip(CW_GET_PHYLINK, (void*) &phyLink);
+    if (lastStablePhyLink != phyLink) {
+        coloredMsg(LOG_BLUE, false, "wizplh, ctlwizchip returns %d, phy link changed to %d", res, phyLink);
+        lastStablePhyLink = phyLink;
+
+        if (phyLink == PHY_LINK_ON) {
+            oledPrint(OLED_SCREEN0, "Link available");
+            // start DHCP handler
+            memset(dhcpBuffer, 0, DHCP_BUFFER_SIZE);
+            reg_dhcp_cbfunc(wizDHCPAssign, wizDHCPUpdate, NULL);
+            DHCP_init(DHCP_SOCK, dhcpBuffer);
+            coloredMsg(LOG_BLUE, false, "wizplh, DHCP initialized");
+
+            // run the dhcp handler the first time after 1s and then every 100ms
+            schAdd(wizDHCPHandler, NULL, 1000, 1000);
+            coloredMsg(LOG_BLUE, false, "wizplh, DHCP handler scheduled");
+
+            dhcpInitialized = true;
+        } else {
+            oledPrint(OLED_SCREEN0, "Link lost");
+
+            networkAvailable = false;
+            show(LED_GREEN, BLINK);
+            coloredMsg(LOG_BLUE, false, "wizplh, network is unavailable");
+
+            // stop DHCP handler
+            if (dhcpInitialized) {
+                DHCP_stop();
+                coloredMsg(LOG_BLUE, false, "wizplh, DHCP stopped");
+
+                schDel(wizDHCPHandler, NULL);
+                coloredMsg(LOG_BLUE, false, "wizplh, DHCP handler unscheduled");
+
+                dhcpInitialized = false;
+            }
+        }
+    }
+}
+
+
+int wizInit() {
+    config = getConfig();
+    netInfo.dhcp = NETINFO_DHCP;
+    memcpy(netInfo.mac, config->macAddress, 6);
+
+    coloredMsg(LOG_BLUE, false, "wizI, resetting Ethernet module");
+    wizReset(true);
+    activeDelay(2);
+    wizReset(false);
+    activeDelay(50);
+
+    coloredMsg(LOG_BLUE, false, "wizI, registering callbacks");
+    reg_wizchip_cs_cbfunc(wiz_cs_select, wiz_cs_deselect);
+    coloredMsg(LOG_BLUE, false, "wizI, cs funcs registed");
+    reg_wizchip_spi_cbfunc(wiz_spi_readbyte, wiz_spi_writebyte);
+    coloredMsg(LOG_BLUE, false, "wizI, spi funcs registed");
+    reg_wizchip_spiburst_cbfunc(wiz_spi_readburst, wiz_spi_writeburst);
+    coloredMsg(LOG_BLUE, false, "wizI, spi burst funcs registed");
+
+
+    coloredMsg(LOG_BLUE, false, "wizI, initializing Ethernet module");
+    uint8_t bufSizes[] = { 2, 2, 2, 2, 2, 2, 2, 2 };
+    int8_t res = wizchip_init(bufSizes, bufSizes);
+    coloredMsg(LOG_BLUE, false, "wizI, module driver returned %d", res);
+
+    wizphy_reset();
+    activeDelay(5);
+    coloredMsg(LOG_BLUE, false, "wizI, reset phy");
+
+    wiz_PhyConf wpc;
+    wpc.mode = PHY_MODE_MANUAL;
+    wpc.speed = PHY_MODE_MANUAL;
+    wpc.duplex = PHY_DUPLEX_FULL;
+    wizphy_setphyconf(&wpc);
+    activeDelay(5);
+    coloredMsg(LOG_BLUE, false, "wizI, phy config set");
+
+    wizchip_setnetinfo(&netInfo);
+    coloredMsg(LOG_BLUE, false, "wizI, netinfo set to Ethernet module");
+
+    res = wizchip_setnetmode(NM_FORCEARP); // and not NM_PINGBLOCK
+    coloredMsg(LOG_BLUE, false, "wizI, set netmode, result is %d", res);
+
+    uint8_t buf[6];
+    res = ctlwizchip(CW_GET_ID, (void*) buf);
+    coloredMsg(LOG_BLUE, false, "wizI, CW_GET_ID: %d %02x %02x %02x %02x %02x %02x", res, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+
+    DNS_init(DNS_SOCK, dnsBuffer);
+
+    schAdd(wizPhyLinkHandler, NULL, 0, 1000);
+    coloredMsg(LOG_BLUE, false, "wizI, PhyLink handler scheduled");
+
+    return 0;
+}

cube/cube.ioc

@@ -14,41 +14,52 @@ Mcu.Family=STM32F1
 Mcu.IP0=ADC1
 Mcu.IP1=NVIC
 Mcu.IP2=RCC
-Mcu.IP3=SPI2
-Mcu.IP4=SPI3
-Mcu.IP5=SYS
-Mcu.IP6=UART4
-Mcu.IP7=UART5
-Mcu.IPNb=8
+Mcu.IP3=SPI1
+Mcu.IP4=SPI2
+Mcu.IP5=SPI3
+Mcu.IP6=SYS
+Mcu.IP7=UART4
+Mcu.IP8=UART5
+Mcu.IPNb=9
 Mcu.Name=STM32F103V(C-D-E)Tx
 Mcu.Package=LQFP100
 Mcu.Pin0=PE2
 Mcu.Pin1=PE3
-Mcu.Pin10=PB13
-Mcu.Pin11=PB14
-Mcu.Pin12=PB15
-Mcu.Pin13=PA13
-Mcu.Pin14=PA14
-Mcu.Pin15=PC10
-Mcu.Pin16=PC11
-Mcu.Pin17=PC12
-Mcu.Pin18=PD1
-Mcu.Pin19=PD2
+Mcu.Pin10=PA4
+Mcu.Pin11=PA5
+Mcu.Pin12=PA6
+Mcu.Pin13=PA7
+Mcu.Pin14=PE12
+Mcu.Pin15=PB10
+Mcu.Pin16=PB12
+Mcu.Pin17=PB13
+Mcu.Pin18=PB14
+Mcu.Pin19=PB15
 Mcu.Pin2=PE4
-Mcu.Pin20=PB3
-Mcu.Pin21=PB4
-Mcu.Pin22=PB5
-Mcu.Pin23=VP_SYS_VS_Systick
+Mcu.Pin20=PA13
+Mcu.Pin21=PA14
+Mcu.Pin22=PC10
+Mcu.Pin23=PC11
+Mcu.Pin24=PC12
+Mcu.Pin25=PD1
+Mcu.Pin26=PD2
+Mcu.Pin27=PD7
+Mcu.Pin28=PB3
+Mcu.Pin29=PB4
 Mcu.Pin3=PE5
+Mcu.Pin30=PB5
+Mcu.Pin31=PB6
+Mcu.Pin32=PB7
+Mcu.Pin33=VP_SYS_VS_Systick
 Mcu.Pin4=PE6
 Mcu.Pin5=OSC_IN
 Mcu.Pin6=OSC_OUT
 Mcu.Pin7=PA1
-Mcu.Pin8=PE12
-Mcu.Pin9=PB10
-Mcu.PinsNb=24
+Mcu.Pin8=PA2
+Mcu.Pin9=PA3
+Mcu.PinsNb=34
 Mcu.ThirdPartyNb=0
-Mcu.UserConstants=debugUart,huart4;mbusUart,huart5;frontendAdc,hadc1
+Mcu.UserConstants=debugUart,huart4;mbusUart,huart5;frontendAdc,hadc1;eepromSpi,hspi2;etherSpi,hspi1;displaySpi,hspi3;debugUartIRQn,UART4_IRQn
 Mcu.UserName=STM32F103VCTx
 MxCube.Version=6.0.0
 MxDb.Version=DB.6.0.0
@@ -62,6 +73,7 @@ NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
+NVIC.SPI2_IRQn=true\:0\:0\:false\:false\:true\:true\:true
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:false\:true
 NVIC.UART4_IRQn=true\:0\:0\:false\:false\:true\:true\:true
@@ -78,22 +90,70 @@ PA13.Mode=Serial_Wire
 PA13.Signal=SYS_JTMS-SWDIO
 PA14.Mode=Serial_Wire
 PA14.Signal=SYS_JTCK-SWCLK
+PA2.GPIOParameters=GPIO_Label
+PA2.GPIO_Label=ETHER_RES
+PA2.Locked=true
+PA2.Signal=GPIO_Output
+PA3.GPIOParameters=GPIO_Label
+PA3.GPIO_Label=ETHER_INT
+PA3.Locked=true
+PA3.Signal=GPXTI3
+PA4.GPIOParameters=GPIO_Label
+PA4.GPIO_Label=ETHER_CS
+PA4.Locked=true
+PA4.Signal=GPIO_Output
+PA5.GPIOParameters=GPIO_Label
+PA5.GPIO_Label=ETHER_SCLK
+PA5.Mode=Full_Duplex_Master
+PA5.Signal=SPI1_SCK
+PA6.GPIOParameters=GPIO_Label
+PA6.GPIO_Label=ETHER_MISO
+PA6.Mode=Full_Duplex_Master
+PA6.Signal=SPI1_MISO
+PA7.GPIOParameters=GPIO_Label
+PA7.GPIO_Label=ETHER_MOSI
+PA7.Mode=Full_Duplex_Master
+PA7.Signal=SPI1_MOSI
 PB10.GPIOParameters=GPIO_Label
 PB10.GPIO_Label=Debug_Signal_1
 PB10.Locked=true
 PB10.Signal=GPIO_Output
+PB12.GPIOParameters=GPIO_Label
+PB12.GPIO_Label=EEPROM_CS
+PB12.Locked=true
+PB12.Signal=GPIO_Output
+PB13.GPIOParameters=GPIO_Label
+PB13.GPIO_Label=EEPROM_SCLK
 PB13.Mode=Full_Duplex_Master
 PB13.Signal=SPI2_SCK
+PB14.GPIOParameters=GPIO_Label
+PB14.GPIO_Label=EEPROM_MISO
 PB14.Mode=Full_Duplex_Master
 PB14.Signal=SPI2_MISO
+PB15.GPIOParameters=GPIO_Label
+PB15.GPIO_Label=EEPROM_MOSI
 PB15.Mode=Full_Duplex_Master
 PB15.Signal=SPI2_MOSI
+PB3.GPIOParameters=GPIO_Label
+PB3.GPIO_Label=Display_SCLK
 PB3.Mode=Full_Duplex_Master
 PB3.Signal=SPI3_SCK
+PB4.GPIOParameters=GPIO_Label
+PB4.GPIO_Label=Display_MISO
 PB4.Mode=Full_Duplex_Master
 PB4.Signal=SPI3_MISO
+PB5.GPIOParameters=GPIO_Label
+PB5.GPIO_Label=Display_MOSI
 PB5.Mode=Full_Duplex_Master
 PB5.Signal=SPI3_MOSI
+PB6.GPIOParameters=GPIO_Label
+PB6.GPIO_Label=Display_DC
+PB6.Locked=true
+PB6.Signal=GPIO_Output
+PB7.GPIOParameters=GPIO_Label
+PB7.GPIO_Label=Display_RES
+PB7.Locked=true
+PB7.Signal=GPIO_Output
 PC10.GPIOParameters=GPIO_Label
 PC10.GPIO_Label=Debug_TX
 PC10.Mode=Asynchronous
@@ -114,6 +174,10 @@ PD2.GPIOParameters=GPIO_Label
 PD2.GPIO_Label=MBus_RX
 PD2.Mode=Asynchronous
 PD2.Signal=UART5_RX
+PD7.GPIOParameters=GPIO_Label
+PD7.GPIO_Label=Display_CS
+PD7.Locked=true
+PD7.Signal=GPIO_Output
 PE12.GPIOParameters=GPIO_Label
 PE12.GPIO_Label=Debug_Signal_2
 PE12.Locked=true
@@ -168,7 +232,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=Makefile
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_ADC1_Init-ADC1-false-HAL-true,4-MX_SPI2_Init-SPI2-false-HAL-true,5-MX_SPI3_Init-SPI3-false-HAL-true,6-MX_UART4_Init-UART4-false-HAL-true,7-MX_UART5_Init-UART5-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_ADC1_Init-ADC1-false-HAL-true,4-MX_SPI2_Init-SPI2-false-HAL-true,5-MX_SPI3_Init-SPI3-false-HAL-true,6-MX_UART4_Init-UART4-false-HAL-true,7-MX_UART5_Init-UART5-false-HAL-true,8-MX_SPI1_Init-SPI1-false-HAL-true
 RCC.ADCFreqValue=4500000
 RCC.ADCPresc=RCC_ADCPCLK2_DIV8
 RCC.AHBFreq_Value=72000000
@@ -199,11 +263,21 @@ RCC.USBFreq_Value=72000000
 RCC.VCOOutput2Freq_Value=8000000
 SH.ADCx_IN1.0=ADC1_IN1,IN1
 SH.ADCx_IN1.ConfNb=1
+SH.GPXTI3.0=GPIO_EXTI3
+SH.GPXTI3.ConfNb=1
 SH.GPXTI4.0=GPIO_EXTI4
 SH.GPXTI4.ConfNb=1
-SPI2.CalculateBaudRate=18.0 MBits/s
+SPI1.CalculateBaudRate=18.0 MBits/s
+SPI1.Direction=SPI_DIRECTION_2LINES
+SPI1.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate
+SPI1.Mode=SPI_MODE_MASTER
+SPI1.VirtualType=VM_MASTER
+SPI2.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_4
+SPI2.CLKPhase=SPI_PHASE_1EDGE
+SPI2.CLKPolarity=SPI_POLARITY_LOW
+SPI2.CalculateBaudRate=9.0 MBits/s
 SPI2.Direction=SPI_DIRECTION_2LINES
-SPI2.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate
+SPI2.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,BaudRatePrescaler,CLKPolarity,CLKPhase
 SPI2.Mode=SPI_MODE_MASTER
 SPI2.VirtualType=VM_MASTER
 SPI3.CalculateBaudRate=18.0 MBits/s

cube/cube.txt

@@ -1,6 +1,6 @@
 Configuration	cube
 STM32CubeMX 	6.0.0
-Date	10/18/2020
+Date	11/18/2020
 MCU	STM32F103VCTx
 
 
@@ -9,6 +9,9 @@ PERIPHERALS	MODES	FUNCTIONS	PINS
 ADC1	IN1	ADC1_IN1	PA1
 RCC	Crystal/Ceramic Resonator	RCC_OSC_IN	OSC_IN
 RCC	Crystal/Ceramic Resonator	RCC_OSC_OUT	OSC_OUT
+SPI1	Full-Duplex Master	SPI1_MISO	PA6
+SPI1	Full-Duplex Master	SPI1_MOSI	PA7
+SPI1	Full-Duplex Master	SPI1_SCK	PA5
 SPI2	Full-Duplex Master	SPI2_MISO	PB14
 SPI2	Full-Duplex Master	SPI2_MOSI	PB15
 SPI2	Full-Duplex Master	SPI2_SCK	PB13
@@ -28,15 +31,24 @@ UART5	Asynchronous	UART5_TX	PC12
 Pin Nb	PINs	FUNCTIONs	LABELs
 1	PE2	GPIO_Output	Loop_Enable
 2	PE3	GPIO_Output	Loop_Disable
-3	PE4	GPIO_Input	Loop_Status
+3	PE4	GPIO_EXTI4	Loop_Status
 4	PE5	GPIO_Output	LED_Green
 5	PE6	GPIO_Output	LED_Red
 12	OSC_IN	RCC_OSC_IN	
 13	OSC_OUT	RCC_OSC_OUT	
 24	PA1	ADC1_IN1	Frontend_In
-52	PB13	SPI2_SCK	
-53	PB14	SPI2_MISO	
-54	PB15	SPI2_MOSI	
+25	PA2	GPIO_Output	ETHER_RES
+26	PA3	GPIO_EXTI3	ETHER_INT
+29	PA4	GPIO_Output	ETHER_CS
+30	PA5	SPI1_SCK	ETHER_SCLK
+31	PA6	SPI1_MISO	ETHER_MISO
+32	PA7	SPI1_MOSI	ETHER_MOSI
+43	PE12	GPIO_Output	Debug_Signal_2
+47	PB10	GPIO_Output	Debug_Signal_1
+51	PB12	GPIO_Output	EEPROM_CS
+52	PB13	SPI2_SCK	EEPROM_SCLK
+53	PB14	SPI2_MISO	EEPROM_MISO
+54	PB15	SPI2_MOSI	EEPROM_MOSI
 72	PA13	SYS_JTMS-SWDIO	
 76	PA14	SYS_JTCK-SWCLK	
 78	PC10	UART4_TX	Debug_TX
@@ -44,13 +56,19 @@ Pin Nb	PINs	FUNCTIONs	LABELs
 80	PC12	UART5_TX	MBus_TX
 82	PD1	GPIO_Output	Frontend_Out
 83	PD2	UART5_RX	MBus_RX
-89	PB3	SPI3_SCK	
-90	PB4	SPI3_MISO	
-91	PB5	SPI3_MOSI	
+88	PD7	GPIO_Output	Display_CS
+89	PB3	SPI3_SCK	Display_SCLK
+90	PB4	SPI3_MISO	Display_MISO
+91	PB5	SPI3_MOSI	Display_MOSI
+92	PB6	GPIO_Output	Display_DC
+93	PB7	GPIO_Output	Display_RES
 PERIPHERALS	MODES	FUNCTIONS	PINS
 ADC1	IN1	ADC1_IN1	PA1
 RCC	Crystal/Ceramic Resonator	RCC_OSC_IN	OSC_IN
 RCC	Crystal/Ceramic Resonator	RCC_OSC_OUT	OSC_OUT
+SPI1	Full-Duplex Master	SPI1_MISO	PA6
+SPI1	Full-Duplex Master	SPI1_MOSI	PA7
+SPI1	Full-Duplex Master	SPI1_SCK	PA5
 SPI2	Full-Duplex Master	SPI2_MISO	PB14
 SPI2	Full-Duplex Master	SPI2_MOSI	PB15
 SPI2	Full-Duplex Master	SPI2_SCK	PB13
@@ -70,15 +88,24 @@ UART5	Asynchronous	UART5_TX	PC12
 Pin Nb	PINs	FUNCTIONs	LABELs
 1	PE2	GPIO_Output	Loop_Enable
 2	PE3	GPIO_Output	Loop_Disable
-3	PE4	GPIO_Input	Loop_Status
+3	PE4	GPIO_EXTI4	Loop_Status
 4	PE5	GPIO_Output	LED_Green
 5	PE6	GPIO_Output	LED_Red
 12	OSC_IN	RCC_OSC_IN	
 13	OSC_OUT	RCC_OSC_OUT	
 24	PA1	ADC1_IN1	Frontend_In
-52	PB13	SPI2_SCK	
-53	PB14	SPI2_MISO	
-54	PB15	SPI2_MOSI	
+25	PA2	GPIO_Output	ETHER_RES
+26	PA3	GPIO_EXTI3	ETHER_INT
+29	PA4	GPIO_Output	ETHER_CS
+30	PA5	SPI1_SCK	ETHER_SCLK
+31	PA6	SPI1_MISO	ETHER_MISO
+32	PA7	SPI1_MOSI	ETHER_MOSI
+43	PE12	GPIO_Output	Debug_Signal_2
+47	PB10	GPIO_Output	Debug_Signal_1
+51	PB12	GPIO_Output	EEPROM_CS
+52	PB13	SPI2_SCK	EEPROM_SCLK
+53	PB14	SPI2_MISO	EEPROM_MISO
+54	PB15	SPI2_MOSI	EEPROM_MOSI
 72	PA13	SYS_JTMS-SWDIO	
 76	PA14	SYS_JTCK-SWCLK	
 78	PC10	UART4_TX	Debug_TX
@@ -86,9 +113,12 @@ Pin Nb	PINs	FUNCTIONs	LABELs
 80	PC12	UART5_TX	MBus_TX
 82	PD1	GPIO_Output	Frontend_Out
 83	PD2	UART5_RX	MBus_RX
-89	PB3	SPI3_SCK	
-90	PB4	SPI3_MISO	
-91	PB5	SPI3_MOSI	
+88	PD7	GPIO_Output	Display_CS
+89	PB3	SPI3_SCK	Display_SCLK
+90	PB4	SPI3_MISO	Display_MISO
+91	PB5	SPI3_MOSI	Display_MOSI
+92	PB6	GPIO_Output	Display_DC
+93	PB7	GPIO_Output	Display_RES
 
 
 
@@ -96,7 +126,7 @@ SOFTWARE PROJECT
 
 Project Settings : 
 Project Name : cube
-Project Folder : /home/wn/Workspaces/MBusGateway3Variant/cube
+Project Folder : /home/wn/Workspaces/mbusgateway3variant/cube
 Toolchain / IDE : Makefile
 Firmware Package Name and Version : STM32Cube FW_F1 V1.8.2
 

tests/Makefile

@@ -1,6 +1,6 @@
 CFLAGS=-I../cube/User/Inc -DTEST
 
-test:	ringbuffer.o logger.o test.o
+test:	ringbuffer.o  test.o
 	gcc -o $@ -lcunit $^
 
 ringbuffer.o: ../cube/User/Src/ringbuffer.c

tests/test.c

@@ -2,7 +2,7 @@
 #include <stdio.h>
 #include <stdbool.h>
 #include <ringbuffer.h>
-#include <logger.h>
+//#include <logger.h>
 
 
 // #define DEBUG
@@ -10,6 +10,7 @@
 ringbuffer_t rb;
 
 
+
 void printRingbuffer(ringbuffer_t *rb) {
     printf("Ringbuffer:\n");
     printf("  Size:     %u\n", rb->bufferSize);
@@ -817,8 +818,75 @@ void testRingbuffer99() {
 }
 
 
+void testRingbuffer100() {
+#ifdef DEBUG    
+    printf("Initialize ringbuffer\n");
+#endif
+    ringbufferInit(&rb, 16);
+#ifdef DEBUG
+    printRingbuffer(&rb);
+#endif
+
+    CU_ASSERT(rb.buffer != NULL);
+    CU_ASSERT(rb.bufferSize == 16);
+    CU_ASSERT(rb.bufferWriteIdx == 0);
+    CU_ASSERT(rb.bufferReadIdx == 0);
+
+    CU_ASSERT(rb.buffer[0] == 0);
+    CU_ASSERT(rb.buffer[1] == 0);
+    CU_ASSERT(rb.buffer[2] == 0);
+    CU_ASSERT(rb.buffer[3] == 0);
+    CU_ASSERT(rb.buffer[4] == 0);
+    CU_ASSERT(rb.buffer[5] == 0);
+    CU_ASSERT(rb.buffer[6] == 0);
+    CU_ASSERT(rb.buffer[7] == 0);
+    CU_ASSERT(rb.buffer[8] == 0);
+    CU_ASSERT(rb.buffer[9] == 0);
+    CU_ASSERT(rb.buffer[10] == 0);
+    CU_ASSERT(rb.buffer[11] == 0);
+    CU_ASSERT(rb.buffer[12] == 0);
+    CU_ASSERT(rb.buffer[13] == 0);
+    CU_ASSERT(rb.buffer[14] == 0);
+    CU_ASSERT(rb.buffer[15] == 0);
+}
 
 
+void testRingbuffer101() {
+#ifdef DEBUG
+    printf("\nPut 1 chars in buffer\n");
+#endif
+    int r = ringbufferPutOne(&rb, 'a');
+#ifdef DEBUG
+    printf("r = %d\n", r);
+    printRingbuffer(&rb);
+#endif
+
+    CU_ASSERT(r == 0);
+    CU_ASSERT(rb.buffer != NULL);
+    CU_ASSERT(rb.bufferSize == 16);
+    CU_ASSERT(rb.bufferWriteIdx == 1);
+    CU_ASSERT(rb.bufferReadIdx == 0);
+
+    CU_ASSERT(rb.buffer[0] == 'a');
+    CU_ASSERT(rb.buffer[1] == 0);
+    CU_ASSERT(rb.buffer[2] == 0);
+    CU_ASSERT(rb.buffer[3] == 0);
+    CU_ASSERT(rb.buffer[4] == 0);
+    CU_ASSERT(rb.buffer[5] == 0);
+    CU_ASSERT(rb.buffer[6] == 0);
+    CU_ASSERT(rb.buffer[7] == 0);
+    CU_ASSERT(rb.buffer[8] == 0);
+    CU_ASSERT(rb.buffer[9] == 0);
+    CU_ASSERT(rb.buffer[10] == 0);
+    CU_ASSERT(rb.buffer[11] == 0);
+    CU_ASSERT(rb.buffer[12] == 0);
+    CU_ASSERT(rb.buffer[13] == 0);
+    CU_ASSERT(rb.buffer[14] == 0);
+    CU_ASSERT(rb.buffer[15] == 0);
+}
+
+
+/*
 int init_suite_logger(void) {
     logInit();
     return 0;
@@ -949,7 +1017,7 @@ void testLogger2() {
     CU_ASSERT(strcmp(goldValueFullNotOk, buffer) != 0);
     CU_ASSERT(strcmp(goldValueFullOk, buffer) == 0);
 }
-
+*/
 
 
 int main() {
@@ -980,11 +1048,14 @@ int main() {
         (NULL == CU_add_test(ringbufferSuite, "test 14 of ringbuffer", testRingbuffer15)) ||
         (NULL == CU_add_test(ringbufferSuite, "test 14 of ringbuffer", testRingbuffer16)) ||
         (NULL == CU_add_test(ringbufferSuite, "test 99 of ringbuffer, free", testRingbuffer99)) ||
+        (NULL == CU_add_test(ringbufferSuite, "test 100 of ringbuffer, free", testRingbuffer100)) ||
+        (NULL == CU_add_test(ringbufferSuite, "test 101 of ringbuffer, free", testRingbuffer101)) ||
         0 ) {
         CU_cleanup_registry();
         return CU_get_error();
     }
 
+/*
     CU_pSuite loggerSuite = CU_add_suite("Suite_Logger", init_suite_logger, clean_suite_logger);
     if (NULL == loggerSuite) {
         CU_cleanup_registry();
@@ -999,7 +1070,7 @@ int main() {
         CU_cleanup_registry();
         return CU_get_error();
     }
-
+*/
 
     CU_basic_set_mode(CU_BRM_VERBOSE);
     CU_basic_run_tests();

tools/insertMyCode.sh

@@ -9,8 +9,6 @@ IT_C_BAK=${IT_C}-bak
 MAKEFILE=./Makefile
 MAKEFILE_BAK=${MAKEFILE}-bak
 
-
-
 PROCESSED="Processed by $0"
 
 checkFile () {
@@ -49,8 +47,18 @@ cat $MAIN_C_BAK | \
 cp $IT_C $IT_C_BAK
 echo "// $PROCESSED" > $IT_C
 cat $IT_C_BAK | \
-  sed -e 's,\(/\* USER CODE BEGIN Includes \*/\),\1\n#include "main2.h"\n,' | \
-  sed -e 's,\(/\* USER CODE BEGIN SysTick_IRQn 1 \*/\),\1\n  SYSTICK_Callback();\n,' >> $IT_C
+  sed -e 's,\(/\* USER CODE BEGIN Includes \*/\),\1\n#include "main2.h"\n,' \
+      -e 's,\(/\* USER CODE BEGIN SysTick_IRQn 1 \*/\),\1\n  SYSTICK_Callback();\n,' \
+      -e 's,\(HAL_UART_IRQHandler(&huart5);\),// \1,' \
+      -e 's,\(/\* USER CODE BEGIN UART5_IRQn 1 \*/\),\1\n  mbusCommISR();\n,' \
+      >> $IT_C
+  
+# mkdir w5500
+# pushd ioLibrary_Driver  
+# for D in Ethernet Ethernet/W5500 Internet/DHCP Internet/DNS Internet/httpServer Internet/MQTT; do
+#    cp $D/*.c $D/*.h ../w5500
+# done
+# popd
 
 
 SRC_EXT=''
@@ -60,10 +68,31 @@ done
 for I in hottislib/*.c; do
   SRC_EXT+="$I "
 done
+# for I in w5500/*.c; do
+#   SRC_EXT+="$I "
+# done
 
 cp $MAKEFILE $MAKEFILE_BAK
 echo "# $PROCESSED" > $MAKEFILE
 cat $MAKEFILE_BAK | \
+  sed -e 's/\(-specs=nano.specs\)/\1 -u _printf_float/' | \
+  sed -e 's/\(-Wall\)/\1 -Werror/' | \
+  sed -e 's%\(# list of ASM program objects\)%OBJECTS += $(addprefix $(BUILD_DIR)/,w5500.a pubsubc.a)\n\1%' | \
+  sed -e 's,\($(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)\),$(BUILD_DIR)/w5500.a:\n\t(cd ioLibrary_Driver \&\& $(MAKE) \&\& cp w5500.a ../$(BUILD_DIR) \&\& cd ..)\n\n\1,' | \
+  sed -e 's,\($(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)\),$(BUILD_DIR)/pubsubc.a:\n\t(cd pubsubc \&\& $(MAKE) \&\& cp pubsubc.a ../$(BUILD_DIR) \&\& cd ..)\n\n\1,' | \
+  sed -e 's,\(C_SOURCES =  \\\),\1\nlibmbus/mbus/mbus-protocol.c \\,' | \
   sed -e 's,\(C_SOURCES =  \\\),\1\n'"$SRC_EXT"' \\,' | \
+  sed -e 's,\(C_INCLUDES =  \\\),\1\n-IioLibrary_Driver/Ethernet \\,' | \
+  sed -e 's,\(C_INCLUDES =  \\\),\1\n-IioLibrary_Driver/Internet/DHCP \\,' | \
+  sed -e 's,\(C_INCLUDES =  \\\),\1\n-IioLibrary_Driver/Internet/DNS \\,' | \
   sed -e 's,\(C_INCLUDES =  \\\),\1\n-IUser/Inc \\,' | \
+  sed -e 's,\(C_INCLUDES =  \\\),\1\n-Ilibmbus \\,' | \
+  sed -e 's,\(C_INCLUDES =  \\\),\1\n-Ipubsubc/src \\,' | \
   sed -e 's,\(C_INCLUDES =  \\\),\1\n-Ihottislib \\,' >> $MAKEFILE
+
+#  sed -e 's,\(C_INCLUDES =  \\\),\1\n-Iw5500 \\,' | \
+
+
+
+
+