diff --git a/cube/.mxproject b/cube/.mxproject
index b4106fe..cb337a9 100644
--- a/cube/.mxproject
+++ b/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;;
diff --git a/cube/Makefile b/cube/Makefile
index 9af42f8..51789da 100644
--- a/cube/Makefile
+++ b/cube/Makefile
@@ -1,6 +1,6 @@
 # Processed by ../tools/insertMyCode.sh
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Wed Nov 18 20:17:30 CET 2020]
+# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Thu Nov 19 18:47:37 CET 2020]
 ##########################################################################################################################
 
 # ------------------------------------------------
@@ -121,6 +121,7 @@ AS_INCLUDES =
 # C includes
 C_INCLUDES =  \
 -Ihottislib \
+-Ipubsubc \
 -Ilibmbus \
 -IUser/Inc \
 -IioLibrary_Driver/Internet/DHCP \
@@ -156,7 +157,7 @@ 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
@@ -176,6 +177,9 @@ 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 $@
 
diff --git a/cube/Makefile-bak b/cube/Makefile-bak
index 0981d4b..1774db2 100644
--- a/cube/Makefile-bak
+++ b/cube/Makefile-bak
@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Wed Nov 18 20:17:30 CET 2020]
+# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Thu Nov 19 18:47:37 CET 2020]
 ##########################################################################################################################
 
 # ------------------------------------------------
diff --git a/tools/insertMyCode.sh b/tools/insertMyCode.sh
index 87d4108..df75249 100755
--- a/tools/insertMyCode.sh
+++ b/tools/insertMyCode.sh
@@ -75,6 +75,7 @@ cat $MAKEFILE_BAK | \
   sed -e 's/\(-specs=nano.specs\)/\1 -u _printf_float/' | \
   sed -e 's%\(# list of ASM program objects\)%OBJECTS += $(addprefix $(BUILD_DIR)/,w5500.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 \\,' | \