Add timeout to LED heartbeat thread flags

Revert to previous blinking logic
Update Debug profile settings
2026-07-30 00:14:33 +02:00 · 2026-07-30 00:06:34 +02:00 · 2026-07-29 23:56:02 +02:00 · 2026-07-29 23:55:42 +02:00 · 2026-07-29 23:51:30 +02:00 · 2026-07-29 23:51:22 +02:00
20 changed files with 1336 additions and 116 deletions
@@ -0,0 +1,208 @@
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+									<listOptionValue builtIn="false" value="../Drivers/STM32F4xx_HAL_Driver/Inc"/>
+									<listOptionValue builtIn="false" value="../Drivers/STM32F4xx_HAL_Driver/Inc/Legacy"/>
+									<listOptionValue builtIn="false" value="../Middlewares/Third_Party/FreeRTOS/Source/include"/>
+									<listOptionValue builtIn="false" value="../Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS_V2"/>
+									<listOptionValue builtIn="false" value="../Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM4F"/>
+									<listOptionValue builtIn="false" value="../Drivers/CMSIS/Device/ST/STM32F4xx/Include"/>
+									<listOptionValue builtIn="false" value="../Drivers/CMSIS/Include"/>
+								</option>
+								<inputType id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.input.1780707662" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.input"/>
+							</tool>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.130585424" name="MCU/MPU GCC Compiler" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler">
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.1596919890" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.value.g0" valueType="enumerated"/>
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.630083827" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.value.os" valueType="enumerated"/>
+								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols.1885809954" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols" valueType="definedSymbols">
+									<listOptionValue builtIn="false" value="USE_HAL_DRIVER"/>
+									<listOptionValue builtIn="false" value="STM32F405xx"/>
+									<listOptionValue builtIn="false" value="STM32_THREAD_SAFE_STRATEGY=4"/>
+								</option>
+								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.includepaths.2105634027" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.includepaths" valueType="includePath">
+									<listOptionValue builtIn="false" value="../Core/Inc"/>
+									<listOptionValue builtIn="false" value="../Drivers/STM32F4xx_HAL_Driver/Inc"/>
+									<listOptionValue builtIn="false" value="../Drivers/STM32F4xx_HAL_Driver/Inc/Legacy"/>
+									<listOptionValue builtIn="false" value="../Drivers/CMSIS/Device/ST/STM32F4xx/Include"/>
+									<listOptionValue builtIn="false" value="../Drivers/CMSIS/Include"/>
+									<listOptionValue builtIn="false" value="../Middlewares/Third_Party/FreeRTOS/Source/include"/>
+									<listOptionValue builtIn="false" value="../Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS_V2"/>
+									<listOptionValue builtIn="false" value="../Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM4F"/>
+									<listOptionValue builtIn="false" value="../Core/ThreadSafe"/>
+								</option>
+								<inputType id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.input.c.1970663703" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.input.c"/>
+							</tool>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.1280880990" name="MCU/MPU G++ Compiler" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler">
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.debuglevel.1351759448" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.debuglevel" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.debuglevel.value.g0" valueType="enumerated"/>
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.optimization.level.1769523076" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.optimization.level" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.optimization.level.value.os" valueType="enumerated"/>
+							</tool>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.430537447" name="MCU/MPU GCC Linker" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker">
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script.2015889021" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script" value="${workspace_loc:/${ProjName}/STM32F405RGTX_FLASH.ld}" valueType="string"/>
+								<inputType id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.input.668212960" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.input">
+									<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
+									<additionalInput kind="additionalinput" paths="$(LIBS)"/>
+								</inputType>
+							</tool>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.linker.2092804239" name="MCU/MPU G++ Linker" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.linker"/>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.archiver.1368735755" name="MCU/MPU GCC Archiver" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.archiver"/>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.size.1753327709" name="MCU Size" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.size"/>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objdump.listfile.89090114" name="MCU Output Converter list file" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objdump.listfile"/>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.hex.1502070284" name="MCU Output Converter Hex" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.hex"/>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.binary.304342395" name="MCU Output Converter Binary" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.binary"/>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.verilog.901470624" name="MCU Output Converter Verilog" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.verilog"/>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.srec.1507037014" name="MCU Output Converter Motorola S-rec" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.srec"/>
+							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.symbolsrec.1061238845" name="MCU Output Converter Motorola S-rec with symbols" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.objcopy.symbolsrec"/>
+						</toolChain>
+					</folderInfo>
+					<sourceEntries>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Core"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Middlewares"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Drivers"/>
+					</sourceEntries>
+				</configuration>
+			</storageModule>
+			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+		</cconfiguration>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.core.pathentry"/>
+	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+		<project id="can-logger.null.1983556170" name="can-logger"/>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+	<storageModule moduleId="scannerConfiguration">
+		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		<scannerConfigBuildInfo instanceId="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.771376342;com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.771376342.;com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.130585424;com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.input.c.1970663703">
+			<autodiscovery enabled="false" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.642969664;com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.642969664.;com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.1707621649;com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.input.c.381677044">
+			<autodiscovery enabled="false" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
+</cproject>
@@ -1,9 +1,4 @@
-.cproject
-.osx.project
 .git
-.project
-.mxproject
-.settings
 .DS_Store
 .metadata
 Core/Src/Backup/
@@ -11,3 +6,4 @@ Core/Inc/Backup/
 .bak
 .gitignore
 can_logger Debug.launch
+Debug
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>can-logger</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>com.st.stm32cube.ide.mcu.MCUProjectNature</nature>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCUCubeIdeServicesRevAev2ProjectNature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCUCubeProjectNature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCUAdvancedStructureProjectNature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCUSingleCpuProjectNature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCURootProjectNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+	</natures>
+</projectDescription>
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<project>
+	<configuration id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.642969664" name="Debug">
+		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
+			<provider-reference id="org.eclipse.cdt.ui.UserLanguageSettingsProvider" ref="shared-provider"/>
+			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
+			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="466731056867083916" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+				<language-scope id="org.eclipse.cdt.core.gcc"/>
+				<language-scope id="org.eclipse.cdt.core.g++"/>
+			</provider>
+		</extension>
+	</configuration>
+	<configuration id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.771376342" name="Release">
+		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
+			<provider-reference id="org.eclipse.cdt.ui.UserLanguageSettingsProvider" ref="shared-provider"/>
+			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
+			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="466731056867083916" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+				<language-scope id="org.eclipse.cdt.core.gcc"/>
+				<language-scope id="org.eclipse.cdt.core.g++"/>
+			</provider>
+		</extension>
+	</configuration>
+</project>
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
@@ -0,0 +1,3 @@
+8DF89ED150041C4CBC7CB9A9CAA90856=CBFEBD1BB4AE28C6197E95EA477EADDC
+DC22A860405A8BF2F2C095E5B6529F12=435E8FB9A78ACCA5BEED63762CC556B4
+eclipse.preferences.version=1
@@ -0,0 +1,15 @@
+# Copyright Notices
+
+This project is built with open source components and includes third-party software:
+
+## 1. Original Application Code
+- **Copyright (c) 2026 Erick Ahmed**
+- **License:** [GNU General Public License v3.0 or later](https://git.erickahmed.com/erickahmed/CANdigger/src/branch/main/LICENSE)
+
+## 2. STM32F4 HAL Drivers
+- **Copyright (c) 2016 STMicroelectronics**
+- **License:** [BSD 3-Clause License](https://git.erickahmed.com/erickahmed/CANdigger/src/branch/main/Drivers/STM32F4xx_HAL_Driver/LICENSE.txt)
+
+## 3. STM32 CMSIS
+- **Copyright (c) 2017 STMicroelectronics**
+- **License:** [Apache License 2.0](https://git.erickahmed.com/erickahmed/CANdigger/src/branch/main/Drivers/CMSIS/LICENSE.txt)
@@ -22,6 +22,7 @@

 #include "main.h"

+void uart_printf(const char *fmt, ...);
 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
 void vUARTLogger(void *argument);

@@ -45,12 +45,14 @@ extern "C" {

 /* Exported macro ------------------------------------------------------------*/
 /* USER CODE BEGIN EM */
-#define DEBUG
-#ifdef DEBUG
+//#define DEBUG_ITM
+#define DEBUG_DUMMY_FRAME
+
+#ifdef DEBUG_ITM
 #include <stdio.h>
 #define DEBUG_PRINT(...) printf(__VA_ARGS__)
 #else
-#define DEBUG_PRINT(...)
+#define DEBUG_PRINT(...) uart_printf(__VA_ARGS__)
 #endif
 /* USER CODE END EM */

@@ -52,6 +52,7 @@ void MemManage_Handler(void);
 void BusFault_Handler(void);
 void UsageFault_Handler(void);
 void DebugMon_Handler(void);
+void USART1_IRQHandler(void);
 void SDIO_IRQHandler(void);
 void TIM6_DAC_IRQHandler(void);
 void DMA2_Stream3_IRQHandler(void);
@@ -18,6 +18,7 @@
 #include "main.h"
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
+#include "cansend.h"
 #include "cmsis_os.h"
 #include <string.h>
 /* USER CODE END Includes */
@@ -51,11 +52,9 @@ void CAN_Logger_Init(CAN_HandleTypeDef *hcan1, CAN_HandleTypeDef *hcan2)

    filter.FilterBank = 0;
    if (HAL_CAN_ConfigFilter(hcan1, &filter) != HAL_OK) Error_Handler();
-    if (HAL_CAN_Start(hcan1) != HAL_OK) Error_Handler();

    filter.FilterBank = 14;
    if (HAL_CAN_ConfigFilter(hcan2, &filter) != HAL_OK) Error_Handler();
-    if (HAL_CAN_Start(hcan2) != HAL_OK) Error_Handler();
 }
 /* END CAN_Logger_Init */

@@ -74,10 +73,15 @@ void HAL_CAN_RxFifo0MsgPendingCallback(CAN_HandleTypeDef *hcan)
    osMessageQueueId_t queue;
    osThreadId_t led_task;

-    // TODO: manage the case of FIFO overflow
+    if (__HAL_CAN_GET_FLAG(hcan, CAN_FLAG_FOV0) != RESET) __HAL_CAN_CLEAR_FLAG(hcan, CAN_FLAG_FOV0);
+
    if (HAL_CAN_GetRxMessage(hcan, CAN_RX_FIFO0, &rxHeader, data) != HAL_OK) return;

-    message.id = rxHeader.ExtId;
+    if (rxHeader.DLC > 8) return;
+
+    if (rxHeader.IDE == CAN_ID_EXT) message.id = rxHeader.ExtId;
+    else message.id = rxHeader.StdId;
+
    message.dlc = rxHeader.DLC;
    message.isExtended = (rxHeader.IDE == CAN_ID_EXT);
    message.source = (hcan->Instance == CAN1) ? 1 : 2;
@@ -94,10 +98,7 @@ void HAL_CAN_RxFifo0MsgPendingCallback(CAN_HandleTypeDef *hcan)
        led_task = xCAN2LedTask;
    }

-    if (osMessageQueuePut(queue, &message, 0U, 0U) == osOK)
-    {
-        osThreadFlagsSet(led_task, 0x01);
-    }
+    if (osMessageQueuePut(queue, &message, 0U, 0U) == osOK) osThreadFlagsSet(led_task, 0x01);
 }
 /* END HAL_CAN_RxFifo0MsgPendingCallback */

@@ -113,23 +114,23 @@ void vCANListener(void *argument)
  osMessageQueueId_t queue = (hcan->Instance == CAN1) ? xCAN1RxQueue : xCAN2RxQueue;
  CanMessage_t message;

+  if (HAL_CAN_Start(hcan) != HAL_OK) Error_Handler();
  HAL_CAN_ActivateNotification(hcan, CAN_IT_RX_FIFO0_MSG_PENDING);

+  uint32_t irqn = (hcan->Instance == CAN1) ? CAN1_RX0_IRQn : CAN2_RX0_IRQn;
+  HAL_NVIC_SetPriority(irqn, 5, 0);
+  HAL_NVIC_EnableIRQ(irqn);
+
  for (;;)
  {
-    if (osMessageQueueGet(queue, &message, NULL, osWaitForever) == osOK)
-    {
-          // J1939 decoding
-
-      osMessageQueuePut(xUARTQueue, &message, 0U, 0U);
-    }
+    if (osMessageQueueGet(queue, &message, NULL, 1000) == osOK) osMessageQueuePut(xUARTQueue, &message, 0U, 0U);
  }
 }
 /* END vCANListener */

 /* BEGIN vLEDHeartbeat */
 /**
-  * @brief  Blink a LED in heartbeat mode when CAN traffic is detected
+  * @brief  Turn on LED when CAN traffic is detected
  * @param  argument: LED GPIO (port and pin)
  * @retval None
  */
@@ -20,11 +20,51 @@
 #include "main.h"
 #include "cmsis_os.h"
 #include "canlog.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include "cmsis_os.h"
+#include "stm32f4xx.h"
 /* USER CODE END Includes */

 extern UART_HandleTypeDef huart1;
 extern osSemaphoreId_t xUARTDMASemaphore;
 extern osMessageQueueId_t xUARTQueue;
+extern UART_HandleTypeDef huart1;
+extern osSemaphoreId_t xUARTDMASemaphore;
+
+/* BEGIN uart_printf */
+/**
+  * @brief  Implementation of a simple print to UART.
+  * @param  arguments: strings to print
+  * @retval None
+  */
+void uart_printf(const char *fmt, ...)
+{
+  if (__get_IPSR() != 0) return;
+
+  char buffer[128];
+  va_list args;
+  va_start(args, fmt);
+
+  int len = vsnprintf(buffer, sizeof(buffer), fmt, args);
+  va_end(args);
+
+  if (len > 0)
+  {
+    if (len >= sizeof(buffer)) len = sizeof(buffer) - 1;
+
+    if (osKernelGetState() == osKernelRunning)
+    {
+      if (osSemaphoreAcquire(xUARTDMASemaphore, osWaitForever) == osOK)
+      {
+        HAL_UART_Transmit(&huart1, (uint8_t*)buffer, len, HAL_MAX_DELAY);
+        osSemaphoreRelease(xUARTDMASemaphore);
+      }
+    }
+    else HAL_UART_Transmit(&huart1, (uint8_t*)buffer, len, HAL_MAX_DELAY);
+  }
+}
+/* END uart_printf */

 /* BEGIN format_can_message */
 /**
@@ -32,49 +72,49 @@ extern osMessageQueueId_t xUARTQueue;
  * @param  arguments: buffer, source, message
  * @retval None
  */
-static int format_can_message(char *buf, uint8_t source, const CanMessage_t *message)
+static int format_can_message(char *buffer, uint8_t source, const CanMessage_t *message)
 {
  const char hex[] = "0123456789ABCDEF";

-  buf[0] = 'C';
-  buf[1] = (source == 1) ? '1' : '2';
-  buf[2] = ':';
+  buffer[0] = 'C';
+  buffer[1] = (source == 1) ? '1' : '2';
+  buffer[2] = ':';

-  buf[3]  = hex[(message->id >> 28) & 0x0F];
-  buf[4]  = hex[(message->id >> 24) & 0x0F];
-  buf[5]  = hex[(message->id >> 20) & 0x0F];
-  buf[6]  = hex[(message->id >> 16) & 0x0F];
-  buf[7]  = hex[(message->id >> 12) & 0x0F];
-  buf[8]  = hex[(message->id >> 8) & 0x0F];
-  buf[9]  = hex[(message->id >> 4) & 0x0F];
-  buf[10] = hex[message->id & 0x0F];
+  buffer[3]  = hex[(message->id >> 28) & 0x0F];
+  buffer[4]  = hex[(message->id >> 24) & 0x0F];
+  buffer[5]  = hex[(message->id >> 20) & 0x0F];
+  buffer[6]  = hex[(message->id >> 16) & 0x0F];
+  buffer[7]  = hex[(message->id >> 12) & 0x0F];
+  buffer[8]  = hex[(message->id >> 8) & 0x0F];
+  buffer[9]  = hex[(message->id >> 4) & 0x0F];
+  buffer[10] = hex[message->id & 0x0F];

-  buf[11] = ' ';
-  buf[12] = hex[(message->dlc >> 4) & 0x0F];
-  buf[13] = hex[message->dlc & 0x0F];
-  buf[14] = ' ';
+  buffer[11] = ' ';
+  buffer[12] = hex[(message->dlc >> 4) & 0x0F];
+  buffer[13] = hex[message->dlc & 0x0F];
+  buffer[14] = ' ';

-  int idx = 15;
+  int index = 15;
  for (int i = 0; i < 8; i++)
  {
    if (i < message->dlc)
    {
-      buf[idx++] = hex[(message->payload[i] >> 4) & 0x0F];
-      buf[idx++] = hex[message->payload[i] & 0x0F];
+      buffer[index++] = hex[(message->payload[i] >> 4) & 0x0F];
+      buffer[index++] = hex[message->payload[i] & 0x0F];
    }
    else
    {
-      buf[idx++] = ' ';
-      buf[idx++] = ' ';
+      buffer[index++] = ' ';
+      buffer[index++] = ' ';
    }
-    if (i < 7) buf[idx++] = ' ';
+    if (i < 7) buffer[index++] = ' ';
  }

-  buf[idx++] = '\r';
-  buf[idx++] = '\n';
-  buf[idx] = '\0';
+  buffer[index++] = '\r';
+  buffer[index++] = '\n';
+  buffer[index] = '\0';

-  return idx;
+  return index;
 }
 /* END format_can_message */

@@ -86,14 +126,35 @@ static int format_can_message(char *buf, uint8_t source, const CanMessage_t *mes
  */
 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
 {
-  if (huart->Instance == USART1)
-  {
-    osSemaphoreRelease(xUARTDMASemaphore);
-  }
+  if (huart->Instance == USART1) osSemaphoreRelease(xUARTDMASemaphore);
 }
 /* END HAL_UART_TxCpltCallback */

-/* BEGIN vUARTLoggerListen */
+/* BEGIN HAL_UART_ErrorCallback */
+/**``MEN
+  * @brief  Handle UART errors
+  * @param  argument: UART handle
+  * @retval None
+  */
+void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
+{
+  if (huart->Instance == USART1)
+  {
+    __HAL_UART_CLEAR_OREFLAG(huart);
+    __HAL_UART_CLEAR_FEFLAG(huart);
+    __HAL_UART_CLEAR_NEFLAG(huart);
+    __HAL_UART_CLEAR_PEFLAG(huart);
+
+    HAL_UART_DMAStop(huart);
+
+    huart->gState = HAL_UART_STATE_READY;
+
+    osSemaphoreRelease(xUARTDMASemaphore);
+  }
+}
+/* END HAL_UART_ErrorCallback */
+
+/* BEGIN vUARTLogger */
 /**
  * @brief  Send CAN bus traffic saved in FIFO buffer to USART1
  * @param  argument: Not used
@@ -101,20 +162,36 @@ void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
  */
 void vUARTLogger(void *argument)
 {
-    CanMessage_t message;
-    char tx_buffer[45];
+  CanMessage_t message;
+  static char tx_buffer[45];

-    for (;;)
+  #ifdef DEBUG_DUMMY_FRAME
+  CanMessage_t dummy_frame = {
+    .id = 0x0CF00400,       // J1939 EEC1 ID
+    .dlc = 8,               // 8 bytes of data
+    .isExtended = 1,        // 29-bit Extended ID
+    .source = 1,            // CAN1
+    .payload = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x11, 0x22}
+  };
+  #endif
+
+  for (;;)
+  {
+    if (osMessageQueueGet(xUARTQueue, &message, NULL, osWaitForever) == osOK)
    {
-      DEBUG_PRINT("Waiting for CAN traffic...\r\n");
-      if (osMessageQueueGet(xUARTQueue, &message, NULL, osWaitForever) == osOK)
+      if (osSemaphoreAcquire(xUARTDMASemaphore, 100U) == osOK)
      {
-        DEBUG_PRINT("CAN frame detected\r\n");
        int len = format_can_message(tx_buffer, message.source, &message);
-        HAL_UART_Transmit_DMA(&huart1, (uint8_t*)tx_buffer, len);
-        osSemaphoreAcquire(xUARTDMASemaphore, osWaitForever);
-        DEBUG_PRINT("CAN frame sent via UART\r\n");
+
+        if (HAL_UART_Transmit_DMA(&huart1, (uint8_t*)tx_buffer, len) != HAL_OK)
+        {
+          osSemaphoreRelease(xUARTDMASemaphore);
+          DEBUG_PRINT("[E] HAL error, CAN frame NOT sent!\r\n");
+        }
      }
-    }
+      else DEBUG_PRINT("[E] Semaphore timeout! UART might be stuck in BUSY state.\r\n");
+	}
+   	else DEBUG_PRINT("[D] Waiting for CAN traffic...\r\n");
+  }
 }
-/* END vUARTLoggerListen */
+/* END vUARTLogger */
@@ -76,12 +76,13 @@ static void MX_CAN2_Init(void);
 static void MX_SDIO_SD_Init(void);
 static void MX_USART1_UART_Init(void);

+void uart_printf(const char *fmt, ...);
+
 /* USER CODE BEGIN PFP */
-int _write(int file, char *ptr, int len) {
- for (int i = 0; i < len; i++) {
- ITM_SendChar((*ptr++));
- }
- return len;
+int _write(int file, char *ptr, int len)
+{
+  for (int i = 0; i < len; i++) ITM_SendChar((*ptr++));
+  return len;
 }
 /* USER CODE END PFP */

@@ -96,13 +97,16 @@ int _write(int file, char *ptr, int len) {
  */
 int main(void)
 {
-
  /* USER CODE BEGIN 1 */
-  CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
-  ITM->LAR = 0xC5ACCE55;
-  ITM->TER = 1 << 0;
-  ITM->TCR = ITM_TCR_ITMENA_Msk | ITM_TCR_SYNCENA_Msk | ITM_TCR_SWOENA_Msk;
-  DEBUG_PRINT("Booting system\r\n");
+  if (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk)
+  {
+    CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
+    ITM->LAR = 0xC5ACCE55;
+    ITM->TER = 1 << 0;
+    ITM->TCR = ITM_TCR_ITMENA_Msk | ITM_TCR_SYNCENA_Msk | ITM_TCR_SWOENA_Msk;
+  }
+
+  DEBUG_PRINT("[L] Booting system\r\n");
  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/
@@ -111,7 +115,7 @@ int main(void)
  HAL_Init();

  /* USER CODE BEGIN Init */
-  DEBUG_PRINT("Configuring system clock\r\n");
+  DEBUG_PRINT("[L] Configuring system clock\r\n");

  /* USER CODE END Init */

@@ -119,35 +123,35 @@ int main(void)
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */
-  DEBUG_PRINT("Initializing configured peripherals...\r\n");
+  DEBUG_PRINT("[L] Initializing configured peripherals...\r\n");
  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
-  MX_GPIO_Init();
  MX_DMA_Init();
+  MX_GPIO_Init();
+  MX_USART1_UART_Init();
  MX_CAN1_Init();
  MX_CAN2_Init();
  MX_SDIO_SD_Init();
-  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */
-  DEBUG_PRINT("Initializing CAN bus logger\r\n");
+  DEBUG_PRINT("[L] Initializing CAN bus logger\r\n");
  CAN_Logger_Init(&hcan1, &hcan2);
  /* USER CODE END 2 */

  /* Init scheduler */
  osKernelInitialize();

-  DEBUG_PRINT("Creating RTOS entities\r\n");
+  DEBUG_PRINT("[L] Creating RTOS entities\r\n");

  /* USER CODE BEGIN RTOS_TASKS */
  const osThreadAttr_t CAN1rxAttributes = {
    .name = "CAN1rx",
-    .stack_size = 128 * 4,
+    .stack_size = 512 * 4,
    .priority = (osPriority_t) osPriorityRealtime1,
  };
  const osThreadAttr_t CAN2rxAttributes = {
    .name = "CAN2rx",
-    .stack_size = 128 * 4,
+    .stack_size = 512 * 4,
    .priority = (osPriority_t) osPriorityRealtime,
  };
  const osThreadAttr_t UartLoggerAttributes = {
@@ -171,7 +175,7 @@ int main(void)
  /* USER CODE END RTOS_MUTEX */

  /* USER CODE BEGIN RTOS_SEMAPHORES */
-  xUARTDMASemaphore = osSemaphoreNew(1, 0, NULL);
+  xUARTDMASemaphore = osSemaphoreNew(1, 1, NULL);
  if (xUARTDMASemaphore == NULL) Error_Handler();
  /* USER CODE END RTOS_SEMAPHORES */

@@ -179,9 +183,9 @@ int main(void)
  /* USER CODE END RTOS_TIMERS */

  /* USER CODE BEGIN RTOS_QUEUES */
-  xCAN1RxQueue = osMessageQueueNew(64, sizeof(CanMessage_t), NULL);
-  xCAN2RxQueue = osMessageQueueNew(64, sizeof(CanMessage_t), NULL);
-  xUARTQueue = osMessageQueueNew(128, sizeof(CanMessage_t), NULL);
+  xCAN1RxQueue = osMessageQueueNew(2048, sizeof(CanMessage_t), NULL);
+  xCAN2RxQueue = osMessageQueueNew(2048, sizeof(CanMessage_t), NULL);
+  xUARTQueue = osMessageQueueNew(4096, sizeof(CanMessage_t), NULL);

  if (xCAN1RxQueue == NULL || xCAN2RxQueue == NULL || xUARTQueue == NULL) Error_Handler();
  /* USER CODE END RTOS_QUEUES */
@@ -192,13 +196,16 @@ int main(void)
  xUartTask = osThreadNew(vUARTLogger, NULL, &UartLoggerAttributes);
  xCAN1LedTask = osThreadNew(vLEDHeartbeat, &led_can1, &LEDHeartbeatCAN1Attributes);
  xCAN2LedTask = osThreadNew(vLEDHeartbeat, &led_can2, &LEDHeartbeatCAN2Attributes);
+
+  if (xCAN1rxTask == NULL || xCAN2rxTask == NULL || xUartTask == NULL ||
+      xCAN1LedTask == NULL || xCAN2LedTask == NULL) Error_Handler();
  /* USER CODE END RTOS_THREADS */

  /* USER CODE BEGIN RTOS_EVENTS */
  /* USER CODE END RTOS_EVENTS */

  /* Start scheduler */
-  DEBUG_PRINT("Starting RTOS init scheduler\r\n");
+  DEBUG_PRINT("[L] Starting RTOS init scheduler\r\n");
  osKernelStart();

  /* We should never get here as control is now taken by the scheduler */
@@ -210,7 +217,7 @@ int main(void)
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
-    DEBUG_PRINT("ERROR: RTOS scheduler crashed!\r\n");
+    DEBUG_PRINT("[E] RTOS scheduler crashed!\r\n");
    /* USER CODE END 3 */
  }
 }
@@ -278,7 +285,7 @@ static void MX_CAN1_Init(void)
  /* USER CODE END CAN1_Init 1 */
  hcan1.Instance = CAN1;
  hcan1.Init.Prescaler = 4;
-  hcan1.Init.Mode = CAN_MODE_SILENT;
+  hcan1.Init.Mode = CAN_MODE_NORMAL;
  hcan1.Init.SyncJumpWidth = CAN_SJW_1TQ;
  hcan1.Init.TimeSeg1 = CAN_BS1_16TQ;
  hcan1.Init.TimeSeg2 = CAN_BS2_4TQ;
@@ -293,7 +300,7 @@ static void MX_CAN1_Init(void)
    Error_Handler();
  }
  /* USER CODE BEGIN CAN1_Init 2 */
-  DEBUG_PRINT("CAN1 initialized!\r\n");
+  DEBUG_PRINT("[L] CAN1 initialized\r\n");
  /* USER CODE END CAN1_Init 2 */

 }
@@ -315,7 +322,7 @@ static void MX_CAN2_Init(void)
  /* USER CODE END CAN2_Init 1 */
  hcan2.Instance = CAN2;
  hcan2.Init.Prescaler = 8;
-  hcan2.Init.Mode = CAN_MODE_SILENT;
+  hcan2.Init.Mode = CAN_MODE_NORMAL;
  hcan2.Init.SyncJumpWidth = CAN_SJW_1TQ;
  hcan2.Init.TimeSeg1 = CAN_BS1_16TQ;
  hcan2.Init.TimeSeg2 = CAN_BS2_4TQ;
@@ -330,7 +337,7 @@ static void MX_CAN2_Init(void)
    Error_Handler();
  }
  /* USER CODE BEGIN CAN2_Init 2 */
-  DEBUG_PRINT("CAN2 initialized!\r\n");
+  DEBUG_PRINT("[L] CAN2 initialized\r\n");
  /* USER CODE END CAN2_Init 2 */

 }
@@ -366,7 +373,7 @@ static void MX_SDIO_SD_Init(void)
  //  Error_Handler();
  //}
  /* USER CODE BEGIN SDIO_Init 2 */
-  //DEBUG_PRINT("SDIO initialized!\r\n");
+  //DEBUG_PRINT("[L] SDIO initialized\r\n");
  /* USER CODE END SDIO_Init 2 */

 }
@@ -387,11 +394,11 @@ static void MX_USART1_UART_Init(void)

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
-  huart1.Init.BaudRate = 115200;
+  huart1.Init.BaudRate = 1000000;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
-  huart1.Init.Mode = UART_MODE_TX_RX;
+  huart1.Init.Mode = UART_MODE_TX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
@@ -399,7 +406,7 @@ static void MX_USART1_UART_Init(void)
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */
-  DEBUG_PRINT("USART1 initialized!\r\n");
+  DEBUG_PRINT("[L] USART1 initialized\r\n");
  /* USER CODE END USART1_Init 2 */

 }
@@ -425,7 +432,7 @@ static void MX_DMA_Init(void)
  HAL_NVIC_EnableIRQ(DMA2_Stream7_IRQn);

  /* USER CODE BEGIN MX_DMA_Init 1 */
-  DEBUG_PRINT("DMA initialized!\r\n");
+  DEBUG_PRINT("[L] DMA initialized\r\n");
  /* USER CODE END MX_DMA_Init 1 */
 }

@@ -494,8 +501,24 @@ static void MX_GPIO_Init(void)
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

+  //*Configure CAN1 pins : PB8, PB9 */
+  GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_9;
+  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_InitStruct.Alternate = GPIO_AF9_CAN1;
+  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+  //*Configure CAN2 pins : PB12, PB13 */
+  GPIO_InitStruct.Pin = GPIO_PIN_12 | GPIO_PIN_13;
+  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_InitStruct.Alternate = GPIO_AF9_CAN2;
+  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
  /* USER CODE BEGIN MX_GPIO_Init_2 */
-  DEBUG_PRINT("GPIO initialized!\r\n");
+  DEBUG_PRINT("[L] GPIO initialized\r\n");
  /* USER CODE END MX_GPIO_Init_2 */
 }

@@ -530,29 +553,32 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
  */
 void Error_Handler(void)
 {
-  DEBUG_PRINT("ERROR: entering error handler\r\n");
+  DEBUG_PRINT("[E] Entering error handler\r\n");

  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
+  if (HAL_CAN_GetState(&hcan1) != HAL_CAN_STATE_READY)
+  {
+    DEBUG_PRINT("[E] CAN1 error code: 0x%08lX\r\n", (unsigned long)HAL_CAN_GetError(&hcan1));
+  }
+  if (HAL_CAN_GetState(&hcan2) != HAL_CAN_STATE_READY)
+  {
+    DEBUG_PRINT("[E] CAN2 error code: 0x%08lX\r\n", (unsigned long)HAL_CAN_GetError(&hcan2));
+  }
+
+  // TODO: write error to SD
+
+  /* Disabling interrupts here (after reporting above) freezes the FreeRTOS
+     scheduler for good, since it relies on SysTick/PendSV. */
  __disable_irq();

-  //TODO: check if it is necessary to stop FreeRTOS
-
-  uint32_t error_code_can1;
-  uint32_t error_code_can2;
-
-  if (HAL_CAN_GetState(&hcan1) != HAL_CAN_STATE_READY) error_code_can1 = HAL_CAN_GetError(&hcan1);
-  if (HAL_CAN_GetState(&hcan2) != HAL_CAN_STATE_READY) error_code_can2 = HAL_CAN_GetError(&hcan2);
-
-  // TODO: write error to SD and/or serial
-
  HAL_GPIO_WritePin(led_can1.port, led_can1.pin, GPIO_PIN_RESET);
  HAL_GPIO_WritePin(led_can2.port, led_can2.pin, GPIO_PIN_RESET);

  while (1)
  {
-    HAL_GPIO_TogglePin(led_error.port, led_error.pin);
-    HAL_Delay(250);
+      HAL_GPIO_TogglePin(led_error.port, led_error.pin);
+      for(volatile uint32_t i = 0; i < 4000000; i++);
  }
  /* USER CODE END Error_Handler_Debug */
 }
@@ -392,6 +392,9 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)

    __HAL_LINKDMA(huart,hdmatx,hdma_usart1_tx);

+    /* USART1 interrupt Init */
+    HAL_NVIC_SetPriority(USART1_IRQn, 5, 0);
+    HAL_NVIC_EnableIRQ(USART1_IRQn);
    /* USER CODE BEGIN USART1_MspInit 1 */

    /* USER CODE END USART1_MspInit 1 */
@@ -424,6 +427,9 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)

    /* USART1 DMA DeInit */
    HAL_DMA_DeInit(huart->hdmatx);
+
+    /* USART1 interrupt DeInit */
+    HAL_NVIC_DisableIRQ(USART1_IRQn);
    /* USER CODE BEGIN USART1_MspDeInit 1 */

    /* USER CODE END USART1_MspDeInit 1 */
@@ -41,7 +41,8 @@

 /* Private variables ---------------------------------------------------------*/
 /* USER CODE BEGIN PV */
-
+extern CAN_HandleTypeDef hcan1;
+extern CAN_HandleTypeDef hcan2;
 /* USER CODE END PV */

 /* Private function prototypes -----------------------------------------------*/
@@ -59,6 +60,7 @@ extern DMA_HandleTypeDef hdma_sdio_rx;
 extern DMA_HandleTypeDef hdma_sdio_tx;
 extern SD_HandleTypeDef hsd;
 extern DMA_HandleTypeDef hdma_usart1_tx;
+extern UART_HandleTypeDef huart1;
 extern TIM_HandleTypeDef htim6;

 /* USER CODE BEGIN EV */
@@ -163,6 +165,20 @@ void DebugMon_Handler(void)
 /* please refer to the startup file (startup_stm32f4xx.s).                    */
 /******************************************************************************/

+/**
+  * @brief This function handles USART1 global interrupt.
+  */
+void USART1_IRQHandler(void)
+{
+  /* USER CODE BEGIN USART1_IRQn 0 */
+
+  /* USER CODE END USART1_IRQn 0 */
+  HAL_UART_IRQHandler(&huart1);
+  /* USER CODE BEGIN USART1_IRQn 1 */
+
+  /* USER CODE END USART1_IRQn 1 */
+}
+
 /**
  * @brief This function handles SDIO global interrupt.
  */
@@ -235,4 +251,20 @@ void DMA2_Stream7_IRQHandler(void)

 /* USER CODE BEGIN 1 */

+/**
+  * @brief This function handles CAN1 RX0 interrupt.
+  */
+void CAN1_RX0_IRQHandler(void)
+{
+  HAL_CAN_IRQHandler(&hcan1);
+}
+
+/**
+  * @brief This function handles CAN2 RX0 interrupt.
+  */
+void CAN2_RX0_IRQHandler(void)
+{
+  HAL_CAN_IRQHandler(&hcan2);
+}
+
 /* USER CODE END 1 */
@@ -0,0 +1,674 @@
+GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too, receive
+or can get the source code.  And you must show them these terms so they
+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+  For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+  Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
+can do so.  This is fundamentally incompatible with the aim of
+protecting users' freedom to change the software.  The systematic
+pattern of such abuse occurs in the area of products for individuals to
+use, which is precisely where it is most unacceptable.  Therefore, we
+have designed this version of the GPL to prohibit the practice for those
+products.  If such problems arise substantially in other domains, we
+stand ready to extend this provision to those domains in future versions
+of the GPL, as needed to protect the freedom of users.
+
+  Finally, every program is threatened constantly by software patents.
+States should not allow patents to restrict development and use of
+software on general-purpose computers, but in those that do, we wish to
+avoid the special danger that patents applied to a free program could
+make it effectively proprietary.  To prevent this, the GPL assures that
+patents cannot be used to render the program non-free.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of an
+exact copy.  The resulting work is called a "modified version" of the
+earlier work or a work "based on" the earlier work.
+
+  A "covered work" means either the unmodified Program or a work based
+on the Program.
+
+  To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy.  Propagation includes copying,
+distribution (with or without modification), making available to the
+public, and in some countries other activities as well.
+
+  To "convey" a work means any kind of propagation that enables other
+parties to make or receive copies.  Mere interaction with a user through
+a computer network, with no transfer of a copy, is not conveying.
+
+  An interactive user interface displays "Appropriate Legal Notices"
+to the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
+tells the user that there is no warranty for the work (except to the
+extent that warranties are provided), that licensees may convey the
+work under this License, and how to view a copy of this License.  If
+the interface presents a list of user commands or options, such as a
+menu, a prominent item in the list meets this criterion.
+
+  1. Source Code.
+
+  The "source code" for a work means the preferred form of the work
+for making modifications to it.  "Object code" means any non-source
+form of a work.
+
+  A "Standard Interface" means an interface that either is an official
+standard defined by a recognized standards body, or, in the case of
+interfaces specified for a particular programming language, one that
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+
+  The "System Libraries" of an executable work include anything, other
+than the work as a whole, that (a) is included in the normal form of
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+<https://www.gnu.org/licenses/why-not-lgpl.html>.
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="com.st.stm32cube.ide.mcu.debug.launch.launchConfigurationType">
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.access_port_id" value="0"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.cubeprog_external_loaders" value="[]"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth__pwd_enable" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth_certif_path" value=""/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth_check_enable" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth_key_path" value=""/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth_permission" value=""/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth_pwd_file" value=""/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.enable_live_expr" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.enable_swv" value="true"/>
+    <intAttribute key="com.st.stm32cube.ide.mcu.debug.launch.formatVersion" value="2"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.incremental_flashing" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.ip_address_local" value="localhost"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.limit_swo_clock.enabled" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.limit_swo_clock.value" value=""/>
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+    <intAttribute key="com.st.stm32cube.ide.mcu.debug.launch.mode" value="0"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.multi_drop_enabled" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.override_start_address_mode" value="default"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.port" value=""/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.remoteCommand" value="target remote"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.semihosting" value="Disabled"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.startServer" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.startuptab.exception.divby0" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.startuptab.exception.unaligned" value="false"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.startuptab.haltonexception" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.swd_mode" value="true"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.swv_port" value="61235"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.swv_trace_hclk" value="168000000"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.useRemoteTarget" value="true"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.vector_table" value=""/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.verify_flash_download" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.cti_allow_halt" value="false"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.cti_signal_halt" value="false"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.enable_logging" value="false"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.enable_max_halt_delay" value="false"/>
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+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.frequency" value="0"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.halt_all_on_reset" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.log_file" value="/Users/erickahmed/TESI/j1939-can-logger_NEW/can-logger/can-logger/Debug/st-link_gdbserver_log.txt"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.low_power_debug" value="enable"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.max_halt_delay" value="2"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.reset_strategy" value="connect_under_reset"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.stlink_check_serial_number" value="true"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.stlink_txt_serial_number" value="37FF71064E573436DB721143"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.watchdog_config" value="none"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlinkenable_rtos" value="false"/>
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+    <booleanAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.enableRtosProxy" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyCustomProperties" value=""/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyDriver" value="threadx"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyDriverAuto" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyDriverPort" value="cortex_m0"/>
+    <intAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyPort" value="60000"/>
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+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.initCommands" value=""/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.ipAddress" value="localhost"/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.jtagDeviceId" value="com.st.stm32cube.ide.mcu.debug.stlink"/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.pcRegister" value=""/>
+    <intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="61234"/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.runCommands" value=""/>
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+    <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="true"/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="main"/>
+    <stringAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_NAME" value="arm-none-eabi-gdb"/>
+    <booleanAttribute key="org.eclipse.cdt.dsf.gdb.NON_STOP" value="false"/>
+    <booleanAttribute key="org.eclipse.cdt.dsf.gdb.UPDATE_THREADLIST_ON_SUSPEND" value="false"/>
+    <intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
+    <stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
+    <stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_START_MODE" value="remote"/>
+    <booleanAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN" value="true"/>
+    <stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN_SYMBOL" value="main"/>
+    <stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="/Users/erickahmed/TESI/j1939-can-logger_NEW/can-logger/can-logger/Debug/can-logger.elf"/>
+    <stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="can-logger"/>
+    <booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="false"/>
+    <stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.642969664"/>
+    <booleanAttribute key="org.eclipse.debug.core.ATTR_FORCE_SYSTEM_CONSOLE_ENCODING" value="false"/>
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+        <listEntry value="/can-logger"/>
+    </listAttribute>
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
+        <listEntry value="4"/>
+    </listAttribute>
+    <stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&lt;memoryBlockExpressionList context=&quot;reserved-for-future-use&quot;/&gt;"/>
+    <stringAttribute key="process_factory_id" value="com.st.stm32cube.ide.mcu.debug.launch.HardwareDebugProcessFactory"/>
+</launchConfiguration>
@@ -124,6 +124,7 @@ NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:false\:true\:false\:true\:false
 NVIC.TIM6_DAC_IRQn=true\:15\:0\:false\:false\:true\:false\:false\:true\:true
 NVIC.TimeBase=TIM6_DAC_IRQn
 NVIC.TimeBaseIP=TIM6
+NVIC.USART1_IRQn=true\:5\:0\:false\:false\:true\:true\:true\:true\:true
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
 PA10.Mode=Asynchronous
 PA10.Signal=USART1_RX
@@ -192,8 +193,8 @@ ProjectManager.MultiThreaded=true
 ProjectManager.NoMain=false
 ProjectManager.PreviousToolchain=STM32CubeIDE
 ProjectManager.ProjectBuild=false
-ProjectManager.ProjectFileName=can_logger.ioc
-ProjectManager.ProjectName=can_logger
+ProjectManager.ProjectFileName=can-logger.ioc
+ProjectManager.ProjectName=can-logger
 ProjectManager.ProjectStructure=
 ProjectManager.RegisterCallBack=CAN
 ProjectManager.StackSize=0x400
Author	SHA1	Message	Date
eeeck	d2d9d21f3d	Add timeout to LED heartbeat thread flags	2026-07-30 00:14:33 +02:00
eeeck	f53f49a94e	Revert to previous blinking logic	2026-07-30 00:06:34 +02:00
eeeck	dce176cc1e	Update Debug profile settings	2026-07-29 23:56:02 +02:00
eeeck	e351c762d3	Remove J1939 decoding comment - The logger should be more universal, while the data parser should focus on the protocol specs	2026-07-29 23:55:42 +02:00
eeeck	89b5fe349c	Clear CAN FIFO 0 overflow flag in RX callback	2026-07-29 23:51:30 +02:00
eeeck	2b445aac84	Validate CAN frame DLC before processing	2026-07-29 23:51:22 +02:00
eeeck	8b8c97316b	Update LED heartbeat to use blocking delay	2026-07-29 23:50:52 +02:00
eeeck	714051c66d	Specify that LICENSE is GPLv3-or-later	2026-07-13 15:22:28 +02:00
eeeck	89b3b6b876	Change title	2026-07-13 14:54:07 +02:00
eeeck	e57188a51e	Wait forever for next CAN message - Avoid debug log spam	2026-07-07 14:46:38 +02:00
eeeck	3780497e8d	Avoid ISR blocking and add overflow protection	2026-07-07 14:45:15 +02:00
eeeck	3e1bcd6195	Increase queue dimension for high bandwidth CAN buses	2026-07-07 14:38:37 +02:00
eeeck	fcf36e4513	Stop sharing buffer among tasks - Rename variables with clear ones	2026-07-07 14:37:05 +02:00
eeeck	fe2a3e075f	Fix links	2026-07-07 14:29:51 +02:00
eeeck	21a64d66fd	Update file content to make Gitea recognize it	2026-07-06 15:15:54 +02:00
eeeck	cef7e5e445	Change file extension to make Gitea recognize it as a license	2026-07-06 15:14:49 +02:00
eeeck	263b699662	Put in normal mode to avoid blocking ACK sending	2026-07-06 00:05:39 +02:00
eeeck	da0211ebd5	Set USART1 baud rate to 1000000 for precise division - No transmitter side clock error in this way	2026-07-05 22:42:07 +02:00
eeeck	d5fd649325	Print messages on CAN error and disable IRQ	2026-07-05 22:30:31 +02:00
eeeck	79ef4c5fdb	Update CAN bus tasks	2026-07-05 22:29:32 +02:00
eeeck	e32f501285	Add IRQ handler for CAN bus interrupt	2026-07-04 19:25:31 +02:00
eeeck	85c8cd4eed	Use timer for queue read	2026-07-04 18:25:36 +02:00
eeeck	9a58e41d55	Change to static	2026-07-04 18:25:07 +02:00
eeeck	48aaaf7fb8	Gracefully handle errors instead of sending to error handler	2026-07-04 18:24:57 +02:00
eeeck	4236c204a6	Use stricter semaphore timing	2026-07-04 18:24:18 +02:00
eeeck	2d7e7f514a	Fix function descriptor	2026-07-04 18:23:58 +02:00
eeeck	600a4e24d8	Lower NVIC priority	2026-07-04 18:23:45 +02:00
eeeck	6954fc5497	Add function prototype	2026-07-04 18:23:31 +02:00
eeeck	03fec5ff34	Initialize DMA and GPIO first	2026-07-04 18:23:07 +02:00
eeeck	76f6526036	Initialize CAN peripherals as GPIO pins	2026-07-04 18:22:36 +02:00
eeeck	ff1335b0dc	Use software counter in error handler after HAL is deactivated	2026-07-04 18:22:22 +02:00
eeeck	397711e9fb	Update function	2026-06-25 20:37:05 +02:00
eeeck	4da8f59330	Fix spacing	2026-06-24 18:54:31 +02:00
eeeck	c9f735acd9	Initialize USART1 as first peripheral	2026-06-24 18:54:21 +02:00
eeeck	30410f9b9e	Rever CAN message format	2026-06-24 18:53:37 +02:00
eeeck	e14a98eba4	Add error callback to recover from UART deadlock, use async UART transmit	2026-06-24 17:40:26 +02:00
eeeck	b55bd9468f	Use better logging codes	2026-06-24 17:15:34 +02:00
eeeck	7dcdbbadf1	Implement print for UART logging	2026-06-24 17:10:37 +02:00
eeeck	334295e1cd	Disable UARTrx	2026-06-24 17:03:22 +02:00
eeeck	89cd1e00d0	Remove whitespace	2026-06-24 08:11:11 +02:00
eeeck	591a96cf6d	Increase CAN task size	2026-06-24 08:10:59 +02:00
eeeck	2be0f0370e	Use larger baudrate	2026-06-24 08:10:49 +02:00
eeeck	58c4b66f34	Try different prescalers	2026-06-24 08:10:41 +02:00
eeeck	4f6460b117	Change file extension	2026-06-21 12:55:52 +02:00
eeeck	cf7541e949	Fix links	2026-06-21 12:55:14 +02:00
eeeck	40cdc82b6f	Add Debug profile	2026-06-19 12:16:20 +02:00
eeeck	39d951e6d8	Add ST-Link related settings	2026-06-19 10:48:07 +02:00
eeeck	aface1bc9e	Fix CubeMX project settings	2026-06-19 10:47:00 +02:00
eeeck	4d2032f45c	Add Debug directory ignore	2026-06-19 10:44:24 +02:00
eeeck	559724b57b	Add CubeMX/Eclipse project settings	2026-06-19 10:44:12 +02:00
eeeck	621de08a0d	Merge pull request 'Add licensing information' (#25 ) from licensing into main Reviewed-on: erickahmed/j1939_logger#25	2026-06-18 16:50:28 +02:00
eeeck	aac6d0a8d1	Add license notice This file was orignally added in v0.0.1, somehow messed up git history and it got deleted. This is a reupload	2026-06-18 16:33:32 +02:00
eeeck	4bf2f52b49	Add GNU GPLv3 license This license was orignally added in v0.0.1, somehow messed up git history and it got deleted. This is a reupload	2026-06-18 16:32:02 +02:00
eeeck	61374d00f1	Disable debug flag by default	2026-06-18 16:09:18 +02:00
eeeck	5b5edc2ead	Merge pull request 'Implement task for sending CAN data via UART' (#21 ) from dev_serial-send into main Reviewed-on: erickahmed/j1939_logger#21	2026-06-18 15:35:22 +02:00
eeeck	adcdc8b340	Fix spacing	2026-06-18 15:15:52 +02:00
eeeck	2880ae64dc	Check semaphore acquire status	2026-06-18 15:05:50 +02:00
eeeck	33a2cc8fb4	Enable USART1 global interrupt	2026-06-18 15:02:19 +02:00
eeeck	41de3851f2	Implement better ciclical method for dummy CAN frame sent on debug	2026-06-18 14:06:00 +02:00
eeeck	6f8d2a12ea	Merge branch 'stm_debug' into dev_serial-send	2026-06-18 13:43:23 +02:00
eeeck	1ad8e5b04f	Change define name - "DEBUG" is also used by STM32 for... something...	2026-06-18 13:38:28 +02:00
eeeck	ef034f3195	Add debug dummy CAN frame sent regularly - Activated by defining DEBUG_DUMMY_FRAME	2026-06-18 13:37:10 +02:00
eeeck	5a91a56e27	Fix spacing	2026-06-18 13:25:07 +02:00
eeeck	9f1e7ba267	Move debugger connection check to main	2026-06-18 13:24:33 +02:00
eeeck	9086bf3efb	Fix buffer overwrite while DMA is not completed	2026-06-18 13:08:11 +02:00
eeeck	3bf5a8cc19	Fix spacing	2026-06-18 13:05:54 +02:00
eeeck	b9c371ed58	Initialize semaphore with count of 1	2026-06-18 13:05:43 +02:00
eeeck	9d96b3d4f2	Start	2026-06-18 12:50:50 +02:00
eeeck	bb70e0675a	Accept for standard IDs and extended IDs	2026-06-18 09:11:25 +02:00
eeeck	11e50b05e4	Make debug print safer by checking if ST-Link debugger is connected	2026-06-18 09:10:00 +02:00
eeeck	e951eaef7c	Fix debug prints	2026-06-18 09:07:09 +02:00
eeeck	ce25cba61b	Fix typo	2026-06-18 09:06:07 +02:00
eeeck	691d5dc1ea	Fix baudrates - They were wrongly calculated on 168MHz but APB1 bus is at 42 MHz (168 / 4)	2026-06-18 08:49:52 +02:00
eeeck	052d3fc5c0	Enable CAN bus NVIC interrupts with higher priority - This was blocking the CPU from vectoring to HAL_CAN_RxFifo0MsgPendingCallback	2026-06-18 08:44:25 +02:00
eeeck	825ddc6961	Add debug print after 1s of no CAN traffic	2026-06-18 08:28:56 +02:00
eeeck	604e9e603b	Add USART DMA in Normal mode from CubeMX	2026-06-18 06:21:41 +02:00