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 1393 additions and 119 deletions
@@ -0,0 +1,208 @@
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 									<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"/>
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 							</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">
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 									<listOptionValue builtIn="false" value="../Drivers/CMSIS/Device/ST/STM32F4xx/Include"/>
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 									<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
+//#define DEBUG_ITM
-#ifdef DEBUG
+#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 */
@@ -52,10 +52,12 @@ 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);
 void DMA2_Stream6_IRQHandler(void);
 void DMA2_Stream7_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 /* USER CODE END EFP */
@@ -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)
+    if (osMessageQueuePut(queue, &message, 0U, 0U) == osOK) osThreadFlagsSet(led_task, 0x01);
    {
        osThreadFlagsSet(led_task, 0x01);
    }
 }
 /* END HAL_CAN_RxFifo0MsgPendingCallback */
@@ -113,24 +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)
+    if (osMessageQueueGet(queue, &message, NULL, 1000) == osOK) osMessageQueuePut(xUARTQueue, &message, 0U, 0U);
    {
          // J1939 decoding
          // RELAY: Push to the UART queue
      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';
+  buffer[0] = 'C';
-  buf[1] = (source == 1) ? '1' : '2';
+  buffer[1] = (source == 1) ? '1' : '2';
-  buf[2] = ':';
+  buffer[2] = ':';
-  buf[3]  = hex[(message->id >> 28) & 0x0F];
+  buffer[3]  = hex[(message->id >> 28) & 0x0F];
-  buf[4]  = hex[(message->id >> 24) & 0x0F];
+  buffer[4]  = hex[(message->id >> 24) & 0x0F];
-  buf[5]  = hex[(message->id >> 20) & 0x0F];
+  buffer[5]  = hex[(message->id >> 20) & 0x0F];
-  buf[6]  = hex[(message->id >> 16) & 0x0F];
+  buffer[6]  = hex[(message->id >> 16) & 0x0F];
-  buf[7]  = hex[(message->id >> 12) & 0x0F];
+  buffer[7]  = hex[(message->id >> 12) & 0x0F];
-  buf[8]  = hex[(message->id >> 8) & 0x0F];
+  buffer[8]  = hex[(message->id >> 8) & 0x0F];
-  buf[9]  = hex[(message->id >> 4) & 0x0F];
+  buffer[9]  = hex[(message->id >> 4) & 0x0F];
-  buf[10] = hex[message->id & 0x0F];
+  buffer[10] = hex[message->id & 0x0F];
-  buf[11] = ' ';
+  buffer[11] = ' ';
-  buf[12] = hex[(message->dlc >> 4) & 0x0F];
+  buffer[12] = hex[(message->dlc >> 4) & 0x0F];
-  buf[13] = hex[message->dlc & 0x0F];
+  buffer[13] = hex[message->dlc & 0x0F];
-  buf[14] = ' ';
+  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];
+      buffer[index++] = hex[(message->payload[i] >> 4) & 0x0F];
-      buf[idx++] = hex[message->payload[i] & 0x0F];
+      buffer[index++] = hex[message->payload[i] & 0x0F];
    }
    else
    {
-      buf[idx++] = ' ';
+      buffer[index++] = ' ';
-      buf[idx++] = ' ';
+      buffer[index++] = ' ';
    }
-    if (i < 7) buf[idx++] = ' ';
+    if (i < 7) buffer[index++] = ' ';
  }
-  buf[idx++] = '\r';
+  buffer[index++] = '\r';
-  buf[idx++] = '\n';
+  buffer[index++] = '\n';
-  buf[idx] = '\0';
+  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)
+  if (huart->Instance == USART1) osSemaphoreRelease(xUARTDMASemaphore);
  {
    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;
+  CanMessage_t message;
-    char tx_buffer[45];
+  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 (osSemaphoreAcquire(xUARTDMASemaphore, 100U) == osOK)
      if (osMessageQueueGet(xUARTQueue, &message, NULL, osWaitForever) == osOK)
      {
-        DEBUG_PRINT("CAN frame detected\r\n");
+        int len = format_can_message(tx_buffer, message.source, &message);
-        format_can_message(tx_buffer, message.source, &message);
+
-        HAL_UART_Transmit_DMA(&huart1, (uint8_t*)tx_buffer, len);
+        if (HAL_UART_Transmit_DMA(&huart1, (uint8_t*)tx_buffer, len) != HAL_OK)
-        osSemaphoreAcquire(xUARTDMASemaphore, osWaitForever);
+        {
-        DEBUG_PRINT("CAN frame sent via UART\r\n");
+          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 */
@@ -46,6 +46,7 @@ DMA_HandleTypeDef hdma_sdio_rx;
 DMA_HandleTypeDef hdma_sdio_tx;
 UART_HandleTypeDef huart1;
 DMA_HandleTypeDef hdma_usart1_tx;
 /* USER CODE BEGIN PV */
 LED_Config led_can1 = {GPIOB, GPIO_PIN_5};
@@ -75,12 +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) {
+int _write(int file, char *ptr, int len)
- for (int i = 0; i < len; i++) {
+{
- ITM_SendChar((*ptr++));
+  for (int i = 0; i < len; i++) ITM_SendChar((*ptr++));
- }
+  return len;
 return len;
 }
 /* USER CODE END PFP */
@@ -95,13 +97,16 @@ int _write(int file, char *ptr, int len) {
  */
 int main(void)
 {
  /* USER CODE BEGIN 1 */
-  CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
+  if (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk)
-  ITM->LAR = 0xC5ACCE55;
+  {
-  ITM->TER = 1 << 0;
+    CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
-  ITM->TCR = ITM_TCR_ITMENA_Msk | ITM_TCR_SYNCENA_Msk | ITM_TCR_SWOENA_Msk;
+    ITM->LAR = 0xC5ACCE55;
-  DEBUG_PRINT("Booting system\r\n");
+    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--------------------------------------------------------*/
@@ -110,7 +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 */
@@ -118,35 +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 = {
@@ -170,7 +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 */
@@ -178,9 +183,9 @@ int main(void)
  /* USER CODE END RTOS_TIMERS */
  /* USER CODE BEGIN RTOS_QUEUES */
-  xCAN1RxQueue = osMessageQueueNew(64, sizeof(CanMessage_t), NULL);
+  xCAN1RxQueue = osMessageQueueNew(2048, sizeof(CanMessage_t), NULL);
-  xCAN2RxQueue = osMessageQueueNew(64, sizeof(CanMessage_t), NULL);
+  xCAN2RxQueue = osMessageQueueNew(2048, sizeof(CanMessage_t), NULL);
-  xUARTQueue = osMessageQueueNew(128, 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 */
@@ -191,13 +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 */
@@ -209,7 +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 */
  }
 }
@@ -277,7 +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;
@@ -292,7 +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 */
 }
@@ -314,7 +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;
@@ -329,7 +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 */
 }
@@ -365,7 +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 */
 }
@@ -386,11 +394,11 @@ static void MX_USART1_UART_Init(void)
  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
-  huart1.Init.BaudRate = 1152000;
+  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)
@@ -398,7 +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 */
 }
@@ -419,9 +427,12 @@ static void MX_DMA_Init(void)
  /* DMA2_Stream6_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA2_Stream6_IRQn, 5, 0);
  HAL_NVIC_EnableIRQ(DMA2_Stream6_IRQn);
  /* DMA2_Stream7_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA2_Stream7_IRQn, 5, 0);
  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 */
 }
@@ -490,8 +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 */
 }
@@ -526,29 +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_GPIO_TogglePin(led_error.port, led_error.pin);
-    HAL_Delay(250);
+      for(volatile uint32_t i = 0; i < 4000000; i++);
  }
  /* USER CODE END Error_Handler_Debug */
 }
@@ -26,6 +26,8 @@ extern DMA_HandleTypeDef hdma_sdio_rx;
 extern DMA_HandleTypeDef hdma_sdio_tx;
 extern DMA_HandleTypeDef hdma_usart1_tx;
 /* Private typedef -----------------------------------------------------------*/
 /* USER CODE BEGIN TD */
@@ -371,6 +373,28 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
    GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
    /* USART1 DMA Init */
    /* USART1_TX Init */
    hdma_usart1_tx.Instance = DMA2_Stream7;
    hdma_usart1_tx.Init.Channel = DMA_CHANNEL_4;
    hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart1_tx.Init.Mode = DMA_NORMAL;
    hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
    hdma_usart1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
    if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK)
    {
      Error_Handler();
    }
    __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 */
@@ -401,6 +425,11 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
    /* 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 -----------------------------------------------*/
@@ -58,6 +59,8 @@
 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 */
@@ -162,6 +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.
  */
@@ -218,6 +235,36 @@ void DMA2_Stream6_IRQHandler(void)
  /* USER CODE END DMA2_Stream6_IRQn 1 */
 }
 /**
  * @brief This function handles DMA2 stream7 global interrupt.
  */
 void DMA2_Stream7_IRQHandler(void)
 {
  /* USER CODE BEGIN DMA2_Stream7_IRQn 0 */
  /* USER CODE END DMA2_Stream7_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart1_tx);
  /* USER CODE BEGIN DMA2_Stream7_IRQn 1 */
  /* USER CODE END DMA2_Stream7_IRQn 1 */
 }
 /* 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,
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 Also add information on how to contact you by electronic and paper mail.
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 The hypothetical commands `show w' and `show c' should show the appropriate
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@@ -0,0 +1,90 @@
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        <listEntry value="4"/>
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 </launchConfiguration>
@@ -20,7 +20,8 @@ CAN2.Mode=CAN_MODE_SILENT
 CAN2.Prescaler=8
 Dma.Request0=SDIO_RX
 Dma.Request1=SDIO_TX
-Dma.RequestsNb=2
+Dma.Request2=USART1_TX
 Dma.RequestsNb=3
 Dma.SDIO_RX.0.Direction=DMA_PERIPH_TO_MEMORY
 Dma.SDIO_RX.0.FIFOMode=DMA_FIFOMODE_ENABLE
 Dma.SDIO_RX.0.FIFOThreshold=DMA_FIFO_THRESHOLD_FULL
@@ -47,6 +48,16 @@ Dma.SDIO_TX.1.PeriphDataAlignment=DMA_PDATAALIGN_WORD
 Dma.SDIO_TX.1.PeriphInc=DMA_PINC_DISABLE
 Dma.SDIO_TX.1.Priority=DMA_PRIORITY_LOW
 Dma.SDIO_TX.1.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,FIFOMode,FIFOThreshold,MemBurst,PeriphBurst
 Dma.USART1_TX.2.Direction=DMA_MEMORY_TO_PERIPH
 Dma.USART1_TX.2.FIFOMode=DMA_FIFOMODE_DISABLE
 Dma.USART1_TX.2.Instance=DMA2_Stream7
 Dma.USART1_TX.2.MemDataAlignment=DMA_MDATAALIGN_BYTE
 Dma.USART1_TX.2.MemInc=DMA_MINC_ENABLE
 Dma.USART1_TX.2.Mode=DMA_NORMAL
 Dma.USART1_TX.2.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
 Dma.USART1_TX.2.PeriphInc=DMA_PINC_DISABLE
 Dma.USART1_TX.2.Priority=DMA_PRIORITY_LOW
 Dma.USART1_TX.2.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,FIFOMode
 FREERTOS.FootprintOK=true
 FREERTOS.IPParameters=Tasks01,configUSE_NEWLIB_REENTRANT,FootprintOK
 FREERTOS.Tasks01=DefaultTask,49,128,can_listen,Default,NULL,Dynamic,NULL,NULL
@@ -96,6 +107,7 @@ MxDb.Version=DB.6.0.170
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
 NVIC.DMA2_Stream3_IRQn=true\:5\:0\:false\:false\:true\:true\:false\:true\:true
 NVIC.DMA2_Stream6_IRQn=true\:5\:0\:false\:false\:true\:true\:false\:true\:true
 NVIC.DMA2_Stream7_IRQn=true\:5\:0\:false\:false\:true\:true\:false\:true\:true
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
@@ -112,6 +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
@@ -180,8 +193,8 @@ ProjectManager.MultiThreaded=true
 ProjectManager.NoMain=false
 ProjectManager.PreviousToolchain=STM32CubeIDE
 ProjectManager.ProjectBuild=false
-ProjectManager.ProjectFileName=can_logger.ioc
+ProjectManager.ProjectFileName=can-logger.ioc
-ProjectManager.ProjectName=can_logger
+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	4967cd9b32	Add USART DMA in Normal mode from CubeMX	2026-06-18 08:29:21 +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
eeeck	7b30c3cedd	Fix declaration bug	2026-06-17 21:27:26 +02:00
eeeck	8d0b508ff6	Merge branch 'dev_debug' into dev_serial-send	2026-06-17 20:52:23 +02:00
eeeck	6ad1acc2ee	Removing duplicate, again...	2026-06-17 18:07:22 +02:00
		`@@ -0,0 +1,2 @@`
							`eclipse.preferences.version=1`
							`encoding/<project>=UTF-8`