better blink

configmaker/.gitignore

@@ -0,0 +1 @@
+build/

configmaker/Makefile

@@ -0,0 +1,40 @@
+BUILD_DIR = build
+
+C_SOURCES = \
+configmaker.c
+
+
+C_INCLUDES = \
+-I. \
+-I../cube/User/Inc
+
+VERSION := $(shell git rev-parse --short=8 HEAD)
+
+CC = gcc
+CFLAGS = $(C_INCLUDES) -Wall -Werror -std=c99 -DVERSION="\"$(VERSION)\""
+LDFLAGS = -lconfig
+TARGET = configmaker
+
+UNAME_S := $(shell uname -s)
+ifeq ($(UNAME_S),OpenBSD)
+  CFLAGS += -I/usr/local/include -DOpenBSD=1
+  LDFLAGS += -L/usr/local/lib
+endif
+
+all: $(BUILD_DIR)/$(TARGET)
+
+OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
+vpath %.c $(sort $(dir $(C_SOURCES)))
+
+$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
+	$(CC) -c $(CFLAGS) $< -o $@
+
+$(BUILD_DIR)/$(TARGET): $(OBJECTS) Makefile
+	$(CC) $(OBJECTS) $(LDFLAGS) -o $@
+
+$(BUILD_DIR):
+	mkdir $@
+
+.phony: clean
+clean:
+	-rm -rf $(BUILD_DIR)

configmaker/configmaker.c

@@ -0,0 +1,391 @@
+#define _DEFAULT_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+#include <getopt.h>
+
+#include <libconfig.h>
+
+#include <sinkStruct.h>
+#include <sha256.h>
+
+
+const char DEFAULT_CONFIG_FILENAME[] = "./configmaker.cfg";
+
+typedef struct {
+    uint32_t eepromMagic;
+    uint32_t configMagic;
+    uint8_t macAddress[6];
+    char deviceName[16];
+    char deviceId[16];
+    uint8_t sharedSecret[32];
+    char ntpServer[48];
+    char sinkServer[48];
+} t_configHandle;
+
+t_configHandle configHandle;
+
+
+int initConfig(const char *configFilename, t_configHandle *configHandle) {
+    config_init(&(configHandle->cfg));
+    if (! config_read_file(&(configHandle->cfg), configFilename)) {
+        logmsg(LOG_ERR, "failed to read config file: %s:%d - %s\n",
+            config_error_file(&(configHandle->cfg)), config_error_line(&(configHandle->cfg)),
+            config_error_text(&(configHandle->cfg)));
+        config_destroy(&(configHandle->cfg));
+        return -1;
+    }
+
+    config_setting_t *devicesConfig = config_lookup(&(configHandle->cfg), "devices");
+    if (devicesConfig == NULL) {
+        logmsg(LOG_ERR, "receiver: no devices configuration found");
+        return -2;
+    }
+    configHandle->numOfDevices = config_setting_length(devicesConfig);
+    configHandle->devices = (t_device*) malloc(configHandle->numOfDevices * sizeof(t_device));
+    for (uint16_t i = 0; i < configHandle->numOfDevices; i++) {
+        config_setting_t *deviceConfig = config_setting_get_elem(devicesConfig, i);
+        if (! config_setting_lookup_string(deviceConfig, "deviceId", &(configHandle->devices[i].deviceId))) {
+            logmsg(LOG_ERR, "no deviceId for device %d", i);
+            return -3;
+        }
+        if (! config_setting_lookup_string(deviceConfig, "location", &(configHandle->devices[i].location))) {
+            logmsg(LOG_ERR, "no location for device %d", i);
+            return -4;
+        }
+        if (! config_setting_lookup_string(deviceConfig, "sharedSecret", &(configHandle->devices[i].sharedSecret))) {
+            logmsg(LOG_ERR, "no sharedSecret for device %d", i);
+            return -5;
+        }
+        if (strlen(configHandle->devices[i].sharedSecret) >= SHA256_BLOCK_SIZE) {
+            logmsg(LOG_ERR, "Configured sharedsecret for device %d is too long", i);
+            return -6;
+        }
+        logmsg(LOG_INFO, "Device loaded: %d %s %s %s", i, 
+               configHandle->devices[i].deviceId, 
+               configHandle->devices[i].location, 
+               configHandle->devices[i].sharedSecret);
+    }
+
+    return 0;
+}
+
+void deinitConfig(t_configHandle *configHandle) {
+    config_destroy(&(configHandle->cfg));
+    if (configHandle->devices) {
+        free(configHandle->devices);
+        configHandle->devices = NULL;
+    }
+}
+
+t_device *findDevice(t_configHandle *configHandle, char *deviceId) {
+    for (uint16_t i = 0; i < configHandle->numOfDevices; i++) {
+        if (! strcmp(configHandle->devices[i].deviceId, deviceId)) {
+            return &(configHandle->devices[i]);
+        }
+    }
+    return NULL;
+}
+
+int initReceiver(t_configHandle *configHandle, t_receiverHandle *handle) {
+    handle->configHandle = configHandle;
+
+    struct sockaddr_in servaddr;
+
+    handle->receiveSockFd = socket(AF_INET, SOCK_DGRAM, 0);
+    if (handle->receiveSockFd == -1) {
+        logmsg(LOG_ERR, "failed to create receive socket: %d", errno);
+        return -1;
+    }
+
+    int receivePort = 20169;
+    config_lookup_int(&(configHandle->cfg), "receivePort", &receivePort);
+    if (receivePort < 1 || receivePort > 65535) {
+        logmsg(LOG_ERR, "illegal receive port configured");
+        return -2;
+    }
+
+    memset(&servaddr, 0, sizeof(servaddr));
+    servaddr.sin_family = AF_INET;
+    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
+    servaddr.sin_port = htons(receivePort);
+
+    if (-1 == bind(handle->receiveSockFd, (const struct sockaddr *) &servaddr, sizeof(servaddr))) {
+        logmsg(LOG_ERR, "unable to bind receive: %d", errno);
+        return -3;
+    }
+    return 0;
+}
+
+void deinitReceiver(t_receiverHandle *handle) {
+    close(handle->receiveSockFd);
+}
+
+int receiveAndVerifyMinuteBuffer(t_receiverHandle *handle, t_minuteBuffer *buf) {
+    struct sockaddr_in cliaddr;
+    socklen_t cliaddrlen = sizeof(cliaddr);
+
+    int n = recvfrom(handle->receiveSockFd, buf->b, sizeof(buf->b), MSG_TRUNC,
+                     (struct sockaddr *) &cliaddr, &cliaddrlen);
+    logmsg(LOG_INFO, "received %d octets from %d.%d.%d.%d", 
+           n, 
+           (cliaddr.sin_addr.s_addr & 0x0ff), 
+           ((cliaddr.sin_addr.s_addr >> 8) & 0x0ff), 
+           ((cliaddr.sin_addr.s_addr >> 16) & 0x0ff), 
+           ((cliaddr.sin_addr.s_addr >> 24) & 0x0ff));
+
+    if (n != sizeof(buf->b)) {
+        logmsg(LOG_INFO, "Illegal packet size: %d", n);
+        return -1;
+    }
+
+    t_device *device = findDevice(handle->configHandle, buf->s.deviceId);    
+    const char *sharedSecret = device->sharedSecret;
+
+    uint8_t receivedHash[SHA256_BLOCK_SIZE];
+    memcpy(receivedHash, buf->s.hash, SHA256_BLOCK_SIZE);
+    memcpy(buf->s.hash, sharedSecret, SHA256_BLOCK_SIZE);
+
+    SHA256_CTX ctx;
+    uint8_t calculatedHash[SHA256_BLOCK_SIZE];
+    sha256_init(&ctx);
+    sha256_update(&ctx, buf->b, sizeof(buf->b));
+    sha256_final(&ctx, calculatedHash);
+
+    if (memcmp(receivedHash, calculatedHash, SHA256_BLOCK_SIZE) != 0) {
+        logmsg(LOG_INFO, "Invalid hash in msg for device %s", buf->s.deviceId);
+        return -5;
+    }
+
+    return 0;
+}
+
+
+int initForwarder(t_configHandle *configHandle, t_forwarderHandle *handle) {
+    handle->configHandle = configHandle;
+
+    handle->influxUser = NULL;
+    handle->influxPass = NULL;
+    handle->influxServer = NULL;
+    handle->influxDatabase = NULL;
+    handle->influxMeasurement = NULL;
+
+    config_lookup_string(&(configHandle->cfg), "influxUser", &(handle->influxUser));
+    config_lookup_string(&(configHandle->cfg), "influxPass", &(handle->influxPass));
+    config_lookup_string(&(configHandle->cfg), "influxServer", &(handle->influxServer));
+    config_lookup_string(&(configHandle->cfg), "influxDatabase", &(handle->influxDatabase));
+    config_lookup_string(&(configHandle->cfg), "influxMeasurement", &(handle->influxMeasurement));
+
+    int influxPort = 8086;
+    config_lookup_int(&(configHandle->cfg), "influxPort", &influxPort);
+    if (influxPort < 1 || influxPort > 65535) {
+        logmsg(LOG_ERR, "illegal influx port configured");
+        return -2;
+    }
+    handle->influxPort = influxPort;
+
+    if (! handle->influxServer) {
+        logmsg(LOG_ERR, "no influxServer configured");
+        return -1;
+    }
+    if (! handle->influxDatabase) {
+        logmsg(LOG_ERR, "no influxDatabase configured");
+        return -2;
+    }
+    if (! handle->influxMeasurement) {
+        logmsg(LOG_ERR, "no influxMeasurement configured");
+        return -3;
+    }
+
+    int res = snprintf(handle->influxUrl, sizeof(handle->influxUrl),
+                       "http://%s:%d/write?db=%s&precision=s",
+                       handle->influxServer, handle->influxPort, handle->influxDatabase);
+    if (res > sizeof(handle->influxUrl)) {
+        logmsg(LOG_ERR, "influxUrl has not enough space");
+        return -4;
+    }
+    logmsg(LOG_INFO, "influxUrl is %s", handle->influxUrl);
+
+    return 0;
+}
+
+void deinitForwarder(t_forwarderHandle *handle) {
+
+}
+
+int httpPostRequest(char *url, const char *user, const char *pass, char *payload) {
+    CURL *curl = curl_easy_init();
+    if (! curl) {
+        logmsg(LOG_ERR, "error instantiating curl");
+        return -1;
+    }
+
+    curl_easy_setopt(curl, CURLOPT_URL, url);
+    if (user && pass) {
+        curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
+        curl_easy_setopt(curl, CURLOPT_USERNAME, user);
+        curl_easy_setopt(curl, CURLOPT_PASSWORD, pass);
+    }
+    curl_easy_setopt(curl, CURLOPT_POSTFIELDS, payload);
+
+    CURLcode res = curl_easy_perform(curl);
+    if (res != CURLE_OK) {
+        logmsg(LOG_ERR, "post request failed: %s", curl_easy_strerror(res));
+        return -2;
+    }
+
+    curl_easy_cleanup(curl);
+
+    return 0;
+}
+
+int forwardMinuteBuffer(t_forwarderHandle *handle, t_minuteBuffer *buf) {
+    logmsg(LOG_INFO, "DeviceId: %s", buf->s.deviceId);
+    t_device *device = findDevice(handle->configHandle, buf->s.deviceId);
+    const char *location = device->location;
+
+    for (uint8_t j = 0; j < SECONDS_PER_MINUTE; j++) {
+        logmsg(LOG_DEBUG, "Time: %lu, Frequency: %u", buf->s.events[j].timestamp, buf->s.events[j].frequency);
+
+        int frequency_before_point = buf->s.events[j].frequency / 1000;
+        int frequency_behind_point = buf->s.events[j].frequency - (frequency_before_point * 1000);
+
+        char payload[256];
+        int res = snprintf(payload, sizeof(payload),
+                           "%s,valid=1,location=%s,host=%s freq=%d.%03d"
+#ifdef OpenBSD
+                           " %llu"
+#else
+                           " %lu"
+#endif                                                      
+                           "",
+                           handle->influxMeasurement, location, buf->s.deviceId, 
+                           frequency_before_point, frequency_behind_point, 
+                           buf->s.events[j].timestamp);
+        if (res > sizeof(payload)) {
+            logmsg(LOG_ERR, "payload buffer to small");
+            return -1;
+        }
+        logmsg(LOG_DEBUG, "Payload: %s", payload);
+        res = httpPostRequest(handle->influxUrl, handle->influxUser, handle->influxPass, payload);
+        if (res == 0) {
+            logmsg(LOG_DEBUG, "Successfully sent to InfluxDB");
+        }
+    }
+
+    logmsg(LOG_INFO, "Successfully sent whole minute to InfluxDB");
+    return 0;
+}
+
+void usage() {
+    printf("sinkserver for mainsfrequency counter\n");
+    printf("https://home.hottis.de/gitlab/wolutator/mains-frequency-counter-stm32\n");
+    printf("Version: " VERSION "\n");
+    printf("\nUsage\n");
+    printf("  -f FILENAME R..... Config file to be used\n");
+    printf("  -v ............... Verbose, writes all logging on stdout too\n");
+    printf("  -s FACILITY ...... Sets syslog facility, only LOCAL[0..7]\n");
+    printf("                     USER and DAEMON are supported\n");
+    printf("  -n USER .......... If started as root drop privileges and become\n");
+    printf("                     USER\n");
+    printf("  -b ............... fork into background\n");
+    printf("  -h ............... This help\n");
+}
+
+int main(int argc, char **argv) {
+    t_configHandle configHandle;
+    t_forwarderHandle forwarderHandle;
+    t_receiverHandle receiverHandle;
+
+
+    const char *configFilename = DEFAULT_CONFIG_FILENAME;
+    const char *dropPrivilegesToUser = NULL;
+    bool doFork = false;
+
+    int c;
+    while ((c = getopt(argc, argv, "f:vs:hn:b")) != -1) {
+        switch (c) {
+            case 'f':
+                configFilename = strdup(optarg);
+                break;
+            case 'v':
+                verbose = true;
+                break;
+            case 's':
+                setfacility(optarg);
+                break;
+            case 'n':
+                dropPrivilegesToUser = strdup(optarg);
+                break;
+            case 'b':
+                doFork = true;
+                break;
+            case 'h':
+                usage();
+                exit(0);
+                break;
+        }
+    }
+
+    if ((getuid() == 0) && (dropPrivilegesToUser != NULL)) {
+        logmsg(LOG_INFO, "dropping root privileges, become %s", dropPrivilegesToUser);
+        struct passwd *userEntry = getpwnam(dropPrivilegesToUser);
+        if (userEntry == NULL) {
+            logmsg(LOG_ERR, "can not find entry for user %s", dropPrivilegesToUser);
+            exit(1);
+        }        
+
+        if (setuid(userEntry->pw_uid) != 0) {
+            logmsg(LOG_ERR, "unable to drop root privileges to %d", userEntry->pw_uid);
+            exit(2);
+        }
+    }
+
+    if (0 != initConfig(configFilename, &configHandle)) {
+        logmsg(LOG_ERR, "error when reading configuration");
+        exit(3);
+    }
+    
+    if (doFork) {
+        int pid = fork();
+        if (pid == -1) {
+            logmsg(LOG_ERR, "error when forking into background: %d", errno);
+            exit(4);
+        }
+        if (pid != 0) {
+            logmsg(LOG_INFO, "successfully forking into background, child's pid is %d", pid);
+            exit(0);
+        }
+    }
+
+    if (0 != initReceiver(&configHandle, &receiverHandle)) {
+        logmsg(LOG_ERR, "error when initializing receiver");
+        exit(5);
+    }
+
+    if (0 != initForwarder(&configHandle, &forwarderHandle)) {
+        logmsg(LOG_ERR, "error when initializing forwarder");
+        exit(6);
+    }
+
+
+    while (1) {
+        t_minuteBuffer buf;
+        
+        if (receiveAndVerifyMinuteBuffer(&receiverHandle, &buf) < 0) {
+            logmsg(LOG_ERR, "error in receiveAndVerify");
+            continue;
+        }
+
+        if (forwardMinuteBuffer(&forwarderHandle, &buf) < 0) {
+            logmsg(LOG_ERR, "error in send");
+        }
+    }
+
+
+    deinitForwarder(&forwarderHandle);
+    deinitReceiver(&receiverHandle);
+    deinitConfig(&configHandle);
+}

configmaker/configmaker.cfg

@@ -0,0 +1,21 @@
+eepromMagic = 0xaffe000b;
+
+configMagic = 0xdead0007;
+
+macAddress = 0x...........;
+
+# max 16 octets
+deviceName = "MainsCnt01";
+
+# max 16 octets
+deviceId = "MainsCnt01";
+
+# exactly 31 octets
+sharedSecret = "5DVYZoB3TwGoFoLAPF8S8EkgURLPqjY";
+
+# max 48 octets
+ntpServer = "pool.ntp.org";
+
+# max 48 octets
+sinkServer = "sink.hottis.de";
+

cube/Makefile

@@ -26,6 +26,9 @@ ifndef NETWORK
 $(error NETWORK is not set)
 endif
 
+VERSION := $(shell git rev-parse --short=8 HEAD)
+
+
 ######################################
 # target
 ######################################
@@ -94,11 +97,14 @@ C_SOURCES += \
 User/Src/ports.c \
 User/Src/wizHelper.c \
 User/Src/networkAbstractionLayer_lan.c
+NETWORK_STACK=1
 endif
 
 ifeq ($(NETWORK), WiFi)
 C_SOURCES += \
-User/Src/networkAbstractionLayer_wifi.c
+User/Src/networkAbstractionLayer_wifi.c \
+User/Src/modemCom.c
+NETWORK_STACK=2
 endif
 
 # ASM sources
@@ -178,7 +184,7 @@ endif
 # compile gcc flags
 ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -Werror -fdata-sections -ffunction-sections
 
-CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -DNETWORK=$(NETWORK) -Wall -Werror -fdata-sections -ffunction-sections
+CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -DNETWORK_STACK=$(NETWORK_STACK) -DVERSION="\"$(VERSION)\"" -Wall -Werror -fdata-sections -ffunction-sections
 
 ifeq ($(DEBUG), 1)
 CFLAGS += -g -gdwarf-2

cube/Makefile.sav

@@ -1,7 +1,11 @@
+# Processed by ../tools/insertMyCode.sh
 ##########################################################################################################################
 # File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Sat Feb 13 18:28:59 CET 2021]
 ##########################################################################################################################
 
+# FILE NOT LONGER UNDER CONTROL OF THE GENERATOR BUT MANUALLY MAINTAINED, 2020-02-16 #
+
+
 # ------------------------------------------------
 # Generic Makefile (based on gcc)
 #
@@ -10,6 +14,21 @@
 #   2015-07-22 - first version
 # ------------------------------------------------
 
+
+# Network implementations, to be set on commandline
+# LAN
+# WiFi
+# GSM
+
+# NETWORK = LAN
+
+ifndef NETWORK
+$(error NETWORK is not set)
+endif
+
+VERSION := $(shell git rev-parse --short=8 HEAD)
+
+
 ######################################
 # target
 ######################################
@@ -35,35 +54,61 @@ BUILD_DIR = build
 # source
 ######################################
 # C sources
-C_SOURCES =  \
-Core/Src/main.c \
-Core/Src/gpio.c \
-Core/Src/iwdg.c \
-Core/Src/spi.c \
-Core/Src/tim.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_iwdg.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 \
+C_SOURCES =  \
+User/Src/config.c \
+User/Src/counter.c \
+User/Src/eeprom.c \
+User/Src/logger.c \
+User/Src/main2.c \
+User/Src/ringbuffer.c \
+User/Src/sha256.c \
+User/Src/show.c \
+User/Src/utils.c \
+User/Src/networkAbstractionLayer.c \
+hottislib/PontCoopScheduler.c  \
+Core/Src/main.c \
+Core/Src/gpio.c \
+Core/Src/iwdg.c \
+Core/Src/spi.c \
+Core/Src/tim.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_iwdg.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  
 
+ifeq ($(NETWORK), LAN)
+C_SOURCES += \
+User/Src/ports.c \
+User/Src/wizHelper.c \
+User/Src/networkAbstractionLayer_lan.c
+NETWORK_STACK=1
+endif
+
+ifeq ($(NETWORK), WiFi)
+C_SOURCES += \
+User/Src/networkAbstractionLayer_wifi.c \
+User/Src/modemCom.c
+NETWORK_STACK=2
+endif
+
 # ASM sources
-ASM_SOURCES =  \
+ASM_SOURCES =  \
 startup_stm32f103xb.s
 
 
@@ -107,8 +152,8 @@ MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
 AS_DEFS = 
 
 # C defines
-C_DEFS =  \
--DUSE_HAL_DRIVER \
+C_DEFS =  \
+-DUSE_HAL_DRIVER \
 -DSTM32F103xB
 
 
@@ -116,19 +161,30 @@ C_DEFS =  \
 AS_INCLUDES = 
 
 # C includes
-C_INCLUDES =  \
--ICore/Inc \
--IDrivers/STM32F1xx_HAL_Driver/Inc \
--IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy \
--IDrivers/CMSIS/Device/ST/STM32F1xx/Include \
--IDrivers/CMSIS/Include \
+C_INCLUDES =  \
+-Ihottislib \
+-IUser/Inc \
+-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) $(OPT) -Wall -fdata-sections -ffunction-sections
+ifeq ($(NETWORK), LAN)
+C_INCLUDES += \
+-IioLibrary_Driver/Internet/SNTP \
+-IioLibrary_Driver/Internet/DNS \
+-IioLibrary_Driver/Internet/DHCP \
+-IioLibrary_Driver/Ethernet
+endif
 
-CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+
+# compile gcc flags
+ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -Werror -fdata-sections -ffunction-sections
+
+CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -DNETWORK_STACK=$(NETWORK_STACK) -DVERSION="\"$(VERSION)\"" -Wall -Werror -fdata-sections -ffunction-sections
 
 ifeq ($(DEBUG), 1)
 CFLAGS += -g -gdwarf-2
@@ -148,7 +204,7 @@ LDSCRIPT = STM32F103C8Tx_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
@@ -160,10 +216,20 @@ 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 $(C_SOURCES)))
+
+ifeq ($(NETWORK), LAN)
+OBJECTS += $(addprefix $(BUILD_DIR)/,w5500.a)
+endif
+
 # list of ASM program objects
 OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
 vpath %.s $(sort $(dir $(ASM_SOURCES)))
 
+ifeq ($(NETWORK), LAN)
+$(BUILD_DIR)/w5500.a:
+	(cd ioLibrary_Driver && $(MAKE) && cp w5500.a ../$(BUILD_DIR) && cd ..)
+endif
+
 $(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR) 
 	$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
 
@@ -194,4 +260,4 @@ clean:
 #######################################
 -include $(wildcard $(BUILD_DIR)/*.d)
 
-# *** EOF ***
+# *** EOF ***

cube/User/Inc/modemCom.h

@@ -0,0 +1,16 @@
+#ifndef _MODEM_COM_H_
+#define _MODEM_COM_H_
+
+#include <usart.h>
+
+
+
+#if NETWORK_STACK == 2 // WiFi
+void modemTxCpltCallback(UART_HandleTypeDef *huart);
+void modemRxCpltCallback(UART_HandleTypeDef *huart);
+#endif
+
+
+
+
+#endif // _MODEM_COM_H_

cube/User/Inc/networkAbstractionLayer.h

@@ -17,4 +17,5 @@ t_seconds* networkGetSeconds();
 int8_t networkSendMinuteBuffer(t_minuteBuffer *minuteBuffer);
 
 
+
 #endif /* _NETWORK_ABSTRACTION_LAYER_H_ */

cube/User/Inc/networkAbstractionLayer_impl.h

@@ -2,9 +2,11 @@
 #define _NETWORK_ABSTRACTION_LAYER_IMPL_H_
 
 #include <stdint.h>
+#include <stdbool.h>
 
 uint64_t networkSntpQuery();
 int8_t networkUdpSend(char *hostname, uint16_t port, uint8_t *buf, uint16_t bufLen);
 void networkImplInit();
+bool isNetworkAvailable();
 
 #endif /* _NETWORK_ABSTRACTION_LAYER_IMPL_H_ */

cube/User/Inc/show.h

@@ -12,7 +12,7 @@ typedef enum {
     LED_BLUE
 } signalPin_t;
 
-typedef enum { ON, OFF, TOGGLE, BLINK } signalAction_t;
+typedef enum { ON, OFF, TOGGLE, BLINK, BLINK_FAST } signalAction_t;
 
 void showInit();
 void show(signalPin_t signalPin, signalAction_t action);

cube/User/Inc/sinkStruct.h

@@ -12,6 +12,7 @@ typedef struct __attribute__((__packed__)) {
     uint32_t totalRunningHours;
     uint32_t totalPowercycles;
     uint32_t totalWatchdogResets;
+    uint32_t version;
     uint64_t timestamp;
     uint32_t frequency[SECONDS_PER_MINUTE];
 } t_minuteStruct;

cube/User/Inc/wizHelper.h

@@ -7,10 +7,9 @@
 
 
 int wizInit();
-bool isNetworkAvailable();
+bool wizIsNetworkAvailable();
 uint8_t* wizGetIPAddress();
 bool wizDnsQuery(char *name, uint8_t *ip);
-uint64_t wizSntpQuery();
 
 
 #endif // _WIZHELPER_H_

cube/User/Src/config.c

@@ -14,8 +14,7 @@ t_configBlock defaultConfigBlock = {
     .ntpServer = "0.de.pool.ntp.org",
     .deviceId = "MainsCnt01",
     .sharedSecret = "sharedSecretGanzGeheim",
-    .sinkServer = "laborpc",
-    .filler = { 0 }
+    .sinkServer = "laborpc"
 };
 
 

cube/User/Src/counter.c

@@ -1,5 +1,6 @@
 #include <stdint.h>
 #include <string.h>
+#include <stdlib.h>
 
 #include <tim.h>
 
@@ -47,6 +48,8 @@ void counterMinuteTick(void *handle) {
             minuteBuffer->s.totalRunningHours = deviceStats->totalRunningHours;
             minuteBuffer->s.totalPowercycles = deviceStats->totalPowercycles;
             minuteBuffer->s.totalWatchdogResets = deviceStats->totalWatchdogResets;
+            minuteBuffer->s.version = strtoll(VERSION, NULL, 16);
+
 
             memset(minuteBuffer->s.deviceId, 0, sizeof(minuteBuffer->s.deviceId));
             strcpy(minuteBuffer->s.deviceId, config->deviceId);

cube/User/Src/main2.c

@@ -17,6 +17,9 @@
 #include <config.h>
 #include <counter.h>
 
+#if NETWORK_STACK == 2
+#include <modemCom.h>
+#endif
 
 
 
@@ -35,6 +38,7 @@ void my_setup_2() {
     show(LED_RED, OFF);
     show(LED_GREEN, BLINK);
     logMsg("Application starting");
+    logMsg("Version: " VERSION);
 
     eepromInit();
     
@@ -67,8 +71,24 @@ void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart) {
         debugTxCpltCallback(huart);
     }
 #endif //LOGGER_OUTPUT_BY_INTERRUPT    
+#if NETWORK_STACK == 2
+    if (huart == &modemUart) {
+        modemTxCpltCallback(huart);
+    }
+#endif    
 }
 
+
+void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) {
+#if NETWORK_STACK == 2
+    if (huart == &modemUart) {
+        modemRxCpltCallback(huart);
+    }
+#endif    
+}
+
+
+
 void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi) {
     if (hspi == &eepromSpi) {
         eepromSpiTxCpltCallback(hspi);

cube/User/Src/modemCom.c

@@ -0,0 +1,12 @@
+#include <modemCom.h>
+#include <usart.h>
+
+
+
+void modemTxCpltCallback(UART_HandleTypeDef *huart) {
+  
+}
+
+void modemRxCpltCallback(UART_HandleTypeDef *huart) {
+  
+}

cube/User/Src/networkAbstractionLayer.c

@@ -3,6 +3,7 @@
 #include <iwdg.h>
 #include <logger.h>
 #include <sinkStruct.h>
+#include <show.h>
 #include <config.h>
 
 #include <networkAbstractionLayer_impl.h>
@@ -14,12 +15,13 @@ static t_seconds seconds = { .seconds = 0, .missedUpdates = 0, .valid = false };
 static t_configBlock *config;
 
 
+
 static void networkSecondsHandler(void *handle) {
     static bool tryAgain = false;
 
     seconds.seconds += 1;
 
-    if (! seconds.valid) {
+    if (! seconds.valid && isNetworkAvailable()) {
         coloredMsg(LOG_YELLOW, "nsh, initially querying time");
         uint64_t tmpSeconds = networkSntpQuery();
         if (tmpSeconds != 0) {
@@ -27,17 +29,19 @@ static void networkSecondsHandler(void *handle) {
             seconds.seconds = tmpSeconds;
             seconds.missedUpdates = 0;
             seconds.valid = true;
+            show(LED_GREEN, ON);
         } else {
             coloredMsg(LOG_YELLOW, "nsh, failed");
             seconds.missedUpdates += 1;
         }
-    } else if (tryAgain || ((seconds.seconds % 3600) == 0)) {
+    } else if (tryAgain || ((seconds.seconds % 300) == 0)) {
         coloredMsg(LOG_YELLOW, "nsh, periodically querying time");
         uint64_t tmpSeconds = networkSntpQuery();
         if (tmpSeconds != 0) {
             coloredMsg(LOG_YELLOW, "nsh, success, network time is %lu", tmpSeconds);
             seconds.missedUpdates = 0;
             tryAgain = false;
+            show(LED_GREEN, ON);
             if (seconds.seconds != tmpSeconds) {
                 coloredMsg(LOG_YELLOW, "nsh, local time updated");
                 seconds.seconds = tmpSeconds;

cube/User/Src/networkAbstractionLayer_lan.c

@@ -1,16 +1,198 @@
+#include <stdint.h>
+#include <string.h>
+
 #include <networkAbstractionLayer_impl.h>
 #include <logger.h>
+#include <PontCoopScheduler.h>
 
 #include <wizHelper.h>
 #include <wizchip_conf.h>
 #include <socket.h>
+#include <config.h>
+#include <sntp.h>
+
+
+static t_configBlock *config;
 
 
 
-uint64_t networkSntpQuery() {
-    return wizSntpQuery();
+static const uint64_t UNIX_NTP_EPOCH_DIFF = 2208988800;
+static const uint16_t NTP_PORT = 123;
+static const uint16_t MAX_SNTP_RETRIES = 100;
+extern const uint8_t SNTP_SOCK;
+
+
+
+const uint8_t SEND_LI_VN_MODE = 0xe3; // LI: unknown (3), VN: 4, Mode: Client (3)
+typedef struct s_ntpStruct {
+    uint8_t   li_vn_mode;
+    uint8_t   stratum;
+    uint8_t   poll;
+    uint8_t   precision;
+    uint32_t  rootdelay;
+    uint32_t  rootdisp;
+    uint32_t  refid;
+    //uint64_t  reftime;
+    uint32_t reftime_h;
+    uint32_t reftime_l;
+    //uint64_t  org;
+    uint32_t org_h;
+    uint32_t org_l;
+    //uint64_t  rec;
+    uint32_t rec_h;
+    uint32_t rec_l;
+    //uint64_t  xmt;
+    uint32_t xmt_h;
+    uint32_t xmt_l;
+} t_ntpStruct;
+
+typedef union __attribute__((__packed__)) {
+    t_ntpStruct s;
+    uint8_t b[sizeof(t_ntpStruct)];
+} ntpMsg_t;
+
+typedef struct {
+    ntpMsg_t ntpMsg;
+    uint8_t ntpAddr[4];
+    uint16_t retryCount;
+    uint64_t seconds;
+    enum {
+        SNTP_STATE_IDLE,
+        SNTP_STATE_START, 
+        SNTP_STATE_SEND,
+        SNTP_STATE_RECV,
+        SNTP_STATE_DONE,
+        SNTP_STATE_ERROR
+    } sntpState;
+} sntpEngineHandle_t;
+
+sntpEngineHandle_t sntpEngineHandle = { 
+    .seconds = 0, 
+    .retryCount = 0, 
+    .sntpState = SNTP_STATE_IDLE 
+};
+
+
+void networkSntpEngine(void *handle) {
+    sntpEngineHandle_t *localHandle = (sntpEngineHandle_t*) handle;
+    if (isNetworkAvailable()) {
+        switch (localHandle->sntpState) {
+            case SNTP_STATE_START:
+                coloredMsg(LOG_BLUE, "nes, resolve ntp server");
+                if (! wizDnsQuery(config->ntpServer, localHandle->ntpAddr)) {
+                    coloredMsg(LOG_BLUE, "nes, failed to resolve ntp server");
+                    localHandle->sntpState = SNTP_STATE_ERROR;
+                } else {
+                    localHandle->sntpState = SNTP_STATE_SEND;
+                    schAdd(networkSntpEngine, (void*) localHandle, 10, 0);
+                }
+                break;
+            case SNTP_STATE_SEND:
+                coloredMsg(LOG_BLUE, "nes, about to call SNTP");
+                localHandle->retryCount = 0;
+                socket(SNTP_SOCK, Sn_MR_UDP, NTP_PORT, 0);
+                uint8_t sockState = getSn_SR(SNTP_SOCK);
+                if (sockState == SOCK_UDP) {
+                    memset(&(localHandle->ntpMsg), 0, sizeof(localHandle->ntpMsg));
+                    localHandle->ntpMsg.s.li_vn_mode = SEND_LI_VN_MODE;
+                    localHandle->ntpMsg.s.xmt_l = 1;
+                    sendto(SNTP_SOCK, localHandle->ntpMsg.b, 
+                           sizeof(localHandle->ntpMsg.b), localHandle->ntpAddr, NTP_PORT);
+                    coloredMsg(LOG_BLUE, "nes, sent");
+                    localHandle->sntpState = SNTP_STATE_RECV;
+                    schAdd(networkSntpEngine, (void*) localHandle, 100, 0);
+                } else {
+                    coloredMsg(LOG_BLUE, "nes, socket in unexpected state %d", sockState);
+                    localHandle->sntpState = SNTP_STATE_ERROR;
+                }
+                break;
+            case SNTP_STATE_RECV:
+                coloredMsg(LOG_BLUE, "nes, check receive");
+                localHandle->retryCount += 1;
+                uint16_t recvLen = getSn_RX_RSR(SNTP_SOCK);
+                if (recvLen == 0) {
+                    if (localHandle->retryCount > MAX_SNTP_RETRIES) {
+                        coloredMsg(LOG_BLUE, "nes, max retry count reached, failed");
+                        localHandle->sntpState = SNTP_STATE_ERROR;
+                    } else {
+                        coloredMsg(LOG_BLUE, "nes, nothing received yet, try again");
+                        schAdd(networkSntpEngine, (void*) localHandle, 100, 0);
+                    }
+                } else if (recvLen >= sizeof(localHandle->ntpMsg)) {
+                    memset(&(localHandle->ntpMsg), 0, sizeof(localHandle->ntpMsg));
+                    uint8_t srcAddr[4];
+                    uint16_t srcPort;
+                    
+                    recvfrom(SNTP_SOCK, localHandle->ntpMsg.b,
+                             sizeof(localHandle->ntpMsg.b), srcAddr, &srcPort);
+                    
+                    
+                    uint8_t *buf = localHandle->ntpMsg.b;
+                    uint8_t x = 0;
+                    coloredMsg(LOG_BLUE, "nes, %02x %02x %02x %02x %02x %02x %02x %02x  %02x %02x %02x %02x %02x %02x %02x %02x",
+                               buf[x+0], buf[x+1], buf[x+2], buf[x+3], buf[x+4], buf[x+5], buf[x+6], buf[x+7],
+                               buf[x+8], buf[x+9], buf[x+10], buf[x+11], buf[x+12], buf[x+13], buf[x+14], buf[x+15]);
+                    x += 16;
+                    coloredMsg(LOG_BLUE, "nes, %02x %02x %02x %02x %02x %02x %02x %02x  %02x %02x %02x %02x %02x %02x %02x %02x",
+                               buf[x+0], buf[x+1], buf[x+2], buf[x+3], buf[x+4], buf[x+5], buf[x+6], buf[x+7],
+                               buf[x+8], buf[x+9], buf[x+10], buf[x+11], buf[x+12], buf[x+13], buf[x+14], buf[x+15]);
+                    x += 16;
+                    coloredMsg(LOG_BLUE, "nes, %02x %02x %02x %02x %02x %02x %02x %02x  %02x %02x %02x %02x %02x %02x %02x %02x",
+                               buf[x+0], buf[x+1], buf[x+2], buf[x+3], buf[x+4], buf[x+5], buf[x+6], buf[x+7],
+                               buf[x+8], buf[x+9], buf[x+10], buf[x+11], buf[x+12], buf[x+13], buf[x+14], buf[x+15]);
+                    x += 16;
+                    coloredMsg(LOG_BLUE, "nes, %02x %02x %02x %02x %02x %02x %02x %02x  %02x %02x %02x %02x %02x %02x %02x %02x",
+                               buf[x+0], buf[x+1], buf[x+2], buf[x+3], buf[x+4], buf[x+5], buf[x+6], buf[x+7],
+                               buf[x+8], buf[x+9], buf[x+10], buf[x+11], buf[x+12], buf[x+13], buf[x+14], buf[x+15]);
+
+                    close(SNTP_SOCK);
+                    coloredMsg(LOG_BLUE, "nes, msg received from %d.%d.%d.%d:%d", 
+                               srcAddr[0], srcAddr[1], srcAddr[2], srcAddr[3],
+                               srcPort);
+                    
+                    coloredMsg(LOG_BLUE, "nes, received in the %d. cycles", localHandle->retryCount);
+                    uint32_t xmt_h = 
+                        (localHandle->ntpMsg.s.xmt_h & 0x0000000ff) << 24 |
+                        (localHandle->ntpMsg.s.xmt_h & 0x00000ff00) << 8 |
+                        (localHandle->ntpMsg.s.xmt_h & 0x000ff0000) >> 8 |
+                        (localHandle->ntpMsg.s.xmt_h & 0x0ff000000) >> 24;
+                    localHandle->seconds = ((uint64_t)xmt_h) - UNIX_NTP_EPOCH_DIFF;
+                    coloredMsg(LOG_BLUE, "nes, xmt: %08x", xmt_h);
+                    coloredMsg(LOG_BLUE, "nes, seconds: %lu", localHandle->seconds);
+                    localHandle->sntpState = SNTP_STATE_DONE;
+                } else {
+                    coloredMsg(LOG_BLUE, "nes, invalid number of octets received: %d", recvLen);
+                    localHandle->sntpState = SNTP_STATE_ERROR;
+                }
+                break;
+            default:
+                coloredMsg(LOG_BLUE, "nes, unexpected state");
+        }
+    } else {
+        coloredMsg(LOG_BLUE, "nes, no network yet, try again");
+        schAdd(networkSntpEngine, (void*) localHandle, 100, 0);
+    }
 }
 
+uint64_t networkSntpQuery() {
+    uint64_t res = 0;
+
+    if (sntpEngineHandle.sntpState == SNTP_STATE_IDLE) {
+        coloredMsg(LOG_BLUE, "nsq, start sntp request");
+        sntpEngineHandle.sntpState = SNTP_STATE_START;
+        schAdd(networkSntpEngine, (void*) &sntpEngineHandle, 1, 0);
+    } else if (sntpEngineHandle.sntpState == SNTP_STATE_DONE) {
+        coloredMsg(LOG_BLUE, "nsq, start sntp done");
+        res = sntpEngineHandle.seconds;
+        coloredMsg(LOG_BLUE, "nsq, time is %lu", res);
+        sntpEngineHandle.sntpState = SNTP_STATE_IDLE;
+    } else if (sntpEngineHandle.sntpState == SNTP_STATE_ERROR) {
+        coloredMsg(LOG_BLUE, "nsq, start sntp failed");
+        sntpEngineHandle.sntpState = SNTP_STATE_IDLE;
+    }
+
+    return res;
+}
 
 extern uint8_t SINK_SOCK;
 
@@ -38,6 +220,11 @@ int8_t networkUdpSend(char *hostname, uint16_t port, uint8_t *buf, uint16_t bufL
     return 1;
 }
 
+bool isNetworkAvailable() {
+    return wizIsNetworkAvailable();
+}
+
 void networkImplInit() {
+    config = getConfig();
     wizInit();
 }

cube/User/Src/networkAbstractionLayer_wifi.c

@@ -1,8 +1,9 @@
 #include <networkAbstractionLayer_impl.h>
 #include <logger.h>
+#include <utils.h>
 
 #include <stdint.h>
-
+#include <main.h>
 
 
 uint64_t networkSntpQuery() {
@@ -15,5 +16,7 @@ int8_t networkUdpSend(char *hostname, uint16_t port, uint8_t *buf, uint16_t bufL
 }
 
 void networkImplInit() {
-
+    HAL_GPIO_WritePin(MODEM_RES_GPIO_Port, MODEM_RES_Pin, GPIO_PIN_RESET);
+    activeDelay(255);
+    HAL_GPIO_WritePin(MODEM_RES_GPIO_Port, MODEM_RES_Pin, GPIO_PIN_SET);
 }

cube/User/Src/show.c

@@ -1,6 +1,7 @@
 #include <main.h>
 #include <show.h>
 #include <PontCoopScheduler.h>
+#include <show.h>
 
 #include <stdint.h>
 #include <stdlib.h>
@@ -24,9 +25,20 @@ showElement_t showElement[] = {
 };
 
 static void showHandler(void *handle) {
+    const uint8_t MAX_CNT = 3;
+    static uint8_t cnt = 0;
+    cnt += 1;
+    if (cnt > MAX_CNT) {
+        cnt = 0;
+    }
+
     uint8_t idx = 0;
     while (showElement[idx].port) {
         if (showElement[idx].currentState == BLINK) {
+            if (cnt == MAX_CNT) {
+                HAL_GPIO_TogglePin(showElement[idx].port, showElement[idx].pin);
+            }
+        } else if (showElement[idx].currentState == BLINK_FAST) {
             HAL_GPIO_TogglePin(showElement[idx].port, showElement[idx].pin);
         }
         idx++;
@@ -43,5 +55,5 @@ void show(signalPin_t signalPin, signalAction_t action) {
 }
 
 void showInit() {
-    schAdd(showHandler, NULL, 0, 250);
+    schAdd(showHandler, NULL, 0, 100);
 }

cube/User/Src/wizHelper.c

@@ -26,18 +26,14 @@ static uint8_t dhcpBuffer[DHCP_BUFFER_SIZE];
 static uint8_t dnsBuffer[DNS_BUFFER_SIZE];
 
 
-static uint8_t sntpBuffer[MAX_SNTP_BUF_SIZE];
-const uint64_t UNIX_NTP_EPOCH_DIFF = 2208988800;
-
 
 extern const uint8_t DHCP_SOCK;
 extern const uint8_t DNS_SOCK;
-extern const uint8_t SNTP_SOCK;
 
 
 static bool networkAvailable = false;
 
-bool isNetworkAvailable() {
+bool wizIsNetworkAvailable() {
     return networkAvailable;
 }
 
@@ -90,7 +86,7 @@ static void wizDHCPAssign() {
     coloredMsg(LOG_BLUE, "wizda, set netinfo again");
 
     networkAvailable = true;
-    show(LED_GREEN, ON);
+    show(LED_GREEN, BLINK_FAST);
     coloredMsg(LOG_BLUE, "wizda, network is available");
 }
 
@@ -133,36 +129,6 @@ bool wizDnsQuery(char *name, uint8_t *ip) {
 }
 
 
-uint64_t wizSntpQuery() {
-    uint64_t seconds = 0;
-
-    if (networkAvailable) {
-        coloredMsg(LOG_BLUE, "wizsq, about to call SNTP");
-
-        uint8_t ntpServer[4];
-        if (wizDnsQuery(config->ntpServer, ntpServer)) {
-            SNTP_init(SNTP_SOCK, ntpServer, 0, sntpBuffer);
-            for (uint8_t i = 0; i < 16; i++) {
-                datetime curTime;
-                int8_t res = SNTP_run(&curTime);
-                if (res == 1) {
-                    seconds = curTime.seconds - UNIX_NTP_EPOCH_DIFF;
-                    coloredMsg(LOG_BLUE, "wizsq, curTime: %lu", seconds);
-                    break;
-                }
-            }
-            
-            if (seconds == 0) {
-                coloredMsg(LOG_BLUE, "wizsq, time update failed");
-            }
-        } else {
-            coloredMsg(LOG_BLUE, "wizsq, error when querying ntp server name");
-        }
-    }
-    
-    return seconds;
-}
-
 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();

cube/cube.ioc

@@ -1,6 +1,6 @@
 #MicroXplorer Configuration settings - do not modify
 File.Version=6
-GPIO.groupedBy=
+GPIO.groupedBy=Group By Peripherals
 IWDG.IPParameters=Prescaler
 IWDG.Prescaler=IWDG_PRESCALER_256
 KeepUserPlacement=false
@@ -171,7 +171,7 @@ 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_SPI1_Init-SPI1-false-HAL-true,4-MX_SPI2_Init-SPI2-false-HAL-true,5-MX_TIM1_Init-TIM1-false-HAL-true,6-MX_USART1_UART_Init-USART1-false-HAL-true,7-MX_IWDG_Init-IWDG-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_SPI1_Init-SPI1-false-HAL-true,4-MX_SPI2_Init-SPI2-false-HAL-true,5-MX_TIM1_Init-TIM1-false-HAL-true,6-MX_USART1_UART_Init-USART1-false-HAL-true,7-MX_IWDG_Init-IWDG-false-HAL-true,8-MX_USART2_UART_Init-USART2-false-HAL-true
 RCC.ADCFreqValue=36000000
 RCC.AHBFreq_Value=72000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV2

sink/sink20169.c

@@ -270,8 +270,9 @@ int httpPostRequest(char *url, const char *user, const char *pass, char *payload
 }
 
 int forwardMinuteBuffer(t_forwarderHandle *handle, t_minuteBuffer *buf) {
-    logmsg(LOG_INFO, "DeviceId: %s, RunningHours: %u, Powercycles: %u, WatchdogResets: %u", 
-           buf->s.deviceId, buf->s.totalRunningHours, buf->s.totalPowercycles, buf->s.totalWatchdogResets);
+    logmsg(LOG_INFO, "D: %s, R: %u, P: %u, W: %u, V: %08x", 
+           buf->s.deviceId, buf->s.totalRunningHours, buf->s.totalPowercycles, buf->s.totalWatchdogResets,
+           buf->s.version);
            
     t_device *device = findDevice(handle->configHandle, buf->s.deviceId);
     const char *location = device->location;