Return exact length

- Goes into error handling

Core/Inc/main.h

@@ -27,7 +27,6 @@ extern "C" {
 /* Includes ------------------------------------------------------------------*/
 #include "stm32f4xx_hal.h"
 
-
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
 #include <stdint.h>
@@ -48,20 +47,10 @@ extern "C" {
 /* USER CODE BEGIN EM */
 #define DEBUG
 #ifdef DEBUG
-static inline void ITM_Print(const char *str) {
-    while (*str) {
-        uint32_t timeout = 1000;
-        while ((ITM->PORT[0].u32 == 0) && (timeout-- > 0));
-
-        if (timeout > 0) {
-            ITM->PORT[0].u8 = (uint8_t)(*str);
-        }
-        str++;
-    }
-}
-#define DEBUG_PRINT(x) ITM_Print(x)
+#include <stdio.h>
+#define DEBUG_PRINT(...) printf(__VA_ARGS__)
 #else
-#define DEBUG_PRINT(x)
+#define DEBUG_PRINT(...)
 #endif
 /* USER CODE END EM */
 

Core/Src/cansend.c

@@ -32,7 +32,7 @@ extern osMessageQueueId_t xUARTQueue;
   * @param  arguments: buffer, source, message
   * @retval None
   */
-static void format_can_message(char *buf, uint8_t source, const CanMessage_t *message)
+static int format_can_message(char *buf, uint8_t source, const CanMessage_t *message)
 {
   const char hex[] = "0123456789ABCDEF";
 
@@ -72,6 +72,9 @@ static void format_can_message(char *buf, uint8_t source, const CanMessage_t *me
 
   buf[idx++] = '\r';
   buf[idx++] = '\n';
+  buf[idx] = '\0';
+
+  return idx;
 }
 /* END format_can_message */
 
@@ -108,7 +111,7 @@ void vUARTLogger(void *argument)
       {
         DEBUG_PRINT("CAN frame detected\r\n");
         format_can_message(tx_buffer, message.source, &message);
-        HAL_UART_Transmit_DMA(&huart1, (uint8_t*)tx_buffer, 44);
+        HAL_UART_Transmit_DMA(&huart1, (uint8_t*)tx_buffer, len);
         osSemaphoreAcquire(xUARTDMASemaphore, osWaitForever);
         DEBUG_PRINT("CAN frame sent via UART\r\n");
       }

Core/Src/main.c

@@ -48,9 +48,9 @@ DMA_HandleTypeDef hdma_sdio_tx;
 UART_HandleTypeDef huart1;
 
 /* USER CODE BEGIN PV */
-LED_Config led_can1 = {GPIOB, GPIO_PIN_2};
-LED_Config led_can2 = {GPIOB, GPIO_PIN_5};
-LED_Config led_error = {GPIOB, GPIO_PIN_3};
+LED_Config led_can1 = {GPIOB, GPIO_PIN_5};
+LED_Config led_can2 = {GPIOB, GPIO_PIN_6};
+LED_Config led_error = {GPIOB, GPIO_PIN_7};
 
 osThreadId_t xCAN1rxTask;
 osThreadId_t xCAN2rxTask;
@@ -76,6 +76,12 @@ static void MX_SDIO_SD_Init(void);
 static void MX_USART1_UART_Init(void);
 
 /* USER CODE BEGIN PFP */
+int _write(int file, char *ptr, int len) {
+ for (int i = 0; i < len; i++) {
+ ITM_SendChar((*ptr++));
+ }
+ return len;
+}
 /* USER CODE END PFP */
 
 /* Private user code ---------------------------------------------------------*/
@@ -350,16 +356,16 @@ static void MX_SDIO_SD_Init(void)
   hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
   hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
   hsd.Init.ClockDiv = 0;
-  if (HAL_SD_Init(&hsd) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
-  {
-    Error_Handler();
-  }
+  //if (HAL_SD_Init(&hsd) != HAL_OK)
+  //{
+  //  Error_Handler();
+  //}
+  //if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
+  //{
+  //  Error_Handler();
+  //}
   /* USER CODE BEGIN SDIO_Init 2 */
-  DEBUG_PRINT("SDIO initialized!\r\n");
+  //DEBUG_PRINT("SDIO initialized!\r\n");
   /* USER CODE END SDIO_Init 2 */
 
 }
@@ -457,20 +463,22 @@ static void MX_GPIO_Init(void)
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
 
-  /*Configure GPIO pins : PA1 PA2 PA3 PA4
-                           PA5 PA6 PA7 PA8
-                           PA11 PA12 */
-  GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4
-                          |GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8
-                          |GPIO_PIN_11|GPIO_PIN_12;
+  /*Configure GPIO pins : PA0 PA1 PA2 PA3
+                           PA4 PA5 PA6 PA7
+                           PA8 PA11 PA12 PA15 */
+  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
+                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7
+                          |GPIO_PIN_8|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_15;
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
   /*Configure GPIO pins : PB0 PB1 PB2 PB10
-                           PB11 PB14 PB15 */
+                           PB11 PB14 PB15 PB3
+                           PB4 */
   GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_10
-                          |GPIO_PIN_11|GPIO_PIN_14|GPIO_PIN_15;
+                          |GPIO_PIN_11|GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_3
+                          |GPIO_PIN_4;
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
@@ -489,6 +497,7 @@ static void MX_GPIO_Init(void)
 
 /* USER CODE BEGIN 4 */
 /* USER CODE END 4 */
+
 /**
   * @brief  Period elapsed callback in non blocking mode
   * @note   This function is called  when TIM6 interrupt took place, inside

can_logger.ioc

@@ -68,30 +68,26 @@ Mcu.IP8=USART1
 Mcu.IPNb=9
 Mcu.Name=STM32F405RGTx
 Mcu.Package=LQFP64
-Mcu.Pin0=PA0-WKUP
-Mcu.Pin1=PB12
-Mcu.Pin10=PC10
-Mcu.Pin11=PC11
-Mcu.Pin12=PC12
-Mcu.Pin13=PD2
-Mcu.Pin14=PB3
-Mcu.Pin15=PB4
-Mcu.Pin16=PB5
-Mcu.Pin17=PB6
-Mcu.Pin18=PB7
-Mcu.Pin19=PB8
-Mcu.Pin2=PB13
-Mcu.Pin20=PB9
-Mcu.Pin21=VP_FREERTOS_VS_CMSIS_V2
-Mcu.Pin22=VP_SYS_VS_tim6
-Mcu.Pin3=PC8
-Mcu.Pin4=PC9
-Mcu.Pin5=PA9
-Mcu.Pin6=PA10
-Mcu.Pin7=PA13
-Mcu.Pin8=PA14
-Mcu.Pin9=PA15
-Mcu.PinsNb=23
+Mcu.Pin0=PB12
+Mcu.Pin1=PB13
+Mcu.Pin10=PC12
+Mcu.Pin11=PD2
+Mcu.Pin12=PB5
+Mcu.Pin13=PB6
+Mcu.Pin14=PB7
+Mcu.Pin15=PB8
+Mcu.Pin16=PB9
+Mcu.Pin17=VP_FREERTOS_VS_CMSIS_V2
+Mcu.Pin18=VP_SYS_VS_tim6
+Mcu.Pin2=PC8
+Mcu.Pin3=PC9
+Mcu.Pin4=PA9
+Mcu.Pin5=PA10
+Mcu.Pin6=PA13
+Mcu.Pin7=PA14
+Mcu.Pin8=PC10
+Mcu.Pin9=PC11
+Mcu.PinsNb=19
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F405RGTx
@@ -117,26 +113,18 @@ NVIC.TIM6_DAC_IRQn=true\:15\:0\:false\:false\:true\:false\:false\:true\:true
 NVIC.TimeBase=TIM6_DAC_IRQn
 NVIC.TimeBaseIP=TIM6
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
-PA0-WKUP.Mode=SYS_WakeUp0
-PA0-WKUP.Signal=SYS_WKUP
 PA10.Mode=Asynchronous
 PA10.Signal=USART1_RX
-PA13.Mode=JTAG_5_pins
+PA13.Mode=Serial_Wire
 PA13.Signal=SYS_JTMS-SWDIO
-PA14.Mode=JTAG_5_pins
+PA14.Mode=Serial_Wire
 PA14.Signal=SYS_JTCK-SWCLK
-PA15.Mode=JTAG_5_pins
-PA15.Signal=SYS_JTDI
 PA9.Mode=Asynchronous
 PA9.Signal=USART1_TX
 PB12.Mode=CAN_Activate
 PB12.Signal=CAN2_RX
 PB13.Mode=CAN_Activate
 PB13.Signal=CAN2_TX
-PB3.Mode=JTAG_5_pins
-PB3.Signal=SYS_JTDO-SWO
-PB4.Mode=JTAG_5_pins
-PB4.Signal=SYS_JTRST
 PB5.Locked=true
 PB5.Signal=GPIO_Output
 PB6.Locked=true