3 Commits

Author SHA1 Message Date
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
4 changed files with 12 additions and 31 deletions
+2 -4
View File
@@ -45,10 +45,8 @@ extern "C" {
/* Exported macro ------------------------------------------------------------*/ /* Exported macro ------------------------------------------------------------*/
/* USER CODE BEGIN EM */ /* USER CODE BEGIN EM */
#define DEBUG_ITM #define DEBUG
#define DEBUG_DUMMY_FRAME #ifdef DEBUG
#ifdef DEBUG_ITM
#include <stdio.h> #include <stdio.h>
#define DEBUG_PRINT(...) printf(__VA_ARGS__) #define DEBUG_PRINT(...) printf(__VA_ARGS__)
#else #else
+7 -4
View File
@@ -49,6 +49,12 @@ void CAN_Logger_Init(CAN_HandleTypeDef *hcan1, CAN_HandleTypeDef *hcan2)
filter.FilterActivation = ENABLE; filter.FilterActivation = ENABLE;
filter.SlaveStartFilterBank = 14; filter.SlaveStartFilterBank = 14;
HAL_NVIC_SetPriority(CAN1_RX0_IRQn, 6, 0);
HAL_NVIC_EnableIRQ(CAN1_RX0_IRQn);
HAL_NVIC_SetPriority(CAN2_RX0_IRQn, 6, 0);
HAL_NVIC_EnableIRQ(CAN2_RX0_IRQn);
filter.FilterBank = 0; filter.FilterBank = 0;
if (HAL_CAN_ConfigFilter(hcan1, &filter) != HAL_OK) Error_Handler(); if (HAL_CAN_ConfigFilter(hcan1, &filter) != HAL_OK) Error_Handler();
if (HAL_CAN_Start(hcan1) != HAL_OK) Error_Handler(); if (HAL_CAN_Start(hcan1) != HAL_OK) Error_Handler();
@@ -117,15 +123,12 @@ void vCANListener(void *argument)
for (;;) for (;;)
{ {
if (osMessageQueueGet(queue, &message, NULL, 1000) == osOK) if (osMessageQueueGet(queue, &message, NULL, osWaitForever) == osOK)
{ {
// J1939 decoding // J1939 decoding
// RELAY: Push to the UART queue
osMessageQueuePut(xUARTQueue, &message, 0U, 0U); osMessageQueuePut(xUARTQueue, &message, 0U, 0U);
} }
else DEBUG_PRINT("No CAN yet!\r\n");
} }
} }
/* END vCANListener */ /* END vCANListener */
-20
View File
@@ -104,26 +104,7 @@ void vUARTLogger(void *argument)
CanMessage_t message; CanMessage_t message;
char tx_buffer[45]; char tx_buffer[45];
#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 (;;) for (;;)
{
DEBUG_PRINT("Waiting for CAN traffic...\r\n");
#ifdef DEBUG_DUMMY_FRAME
osMessageQueuePut(xUARTQueue, &dummy_frame, 0U, 0U);
osDelay(1000);
#endif
if (osMessageQueueGet(xUARTQueue, &message, NULL, osWaitForever) == osOK)
{ {
DEBUG_PRINT("Waiting for CAN traffic...\r\n"); DEBUG_PRINT("Waiting for CAN traffic...\r\n");
if (osMessageQueueGet(xUARTQueue, &message, NULL, osWaitForever) == osOK) if (osMessageQueueGet(xUARTQueue, &message, NULL, osWaitForever) == osOK)
@@ -136,5 +117,4 @@ void vUARTLogger(void *argument)
} }
} }
} }
}
/* END vUARTLoggerListen */ /* END vUARTLoggerListen */
+2 -2
View File
@@ -277,7 +277,7 @@ static void MX_CAN1_Init(void)
/* USER CODE END CAN1_Init 1 */ /* USER CODE END CAN1_Init 1 */
hcan1.Instance = CAN1; hcan1.Instance = CAN1;
hcan1.Init.Prescaler = 4; hcan1.Init.Prescaler = 8;
hcan1.Init.Mode = CAN_MODE_SILENT; hcan1.Init.Mode = CAN_MODE_SILENT;
hcan1.Init.SyncJumpWidth = CAN_SJW_1TQ; hcan1.Init.SyncJumpWidth = CAN_SJW_1TQ;
hcan1.Init.TimeSeg1 = CAN_BS1_16TQ; hcan1.Init.TimeSeg1 = CAN_BS1_16TQ;
@@ -314,7 +314,7 @@ static void MX_CAN2_Init(void)
/* USER CODE END CAN2_Init 1 */ /* USER CODE END CAN2_Init 1 */
hcan2.Instance = CAN2; hcan2.Instance = CAN2;
hcan2.Init.Prescaler = 8; hcan2.Init.Prescaler = 16;
hcan2.Init.Mode = CAN_MODE_SILENT; hcan2.Init.Mode = CAN_MODE_SILENT;
hcan2.Init.SyncJumpWidth = CAN_SJW_1TQ; hcan2.Init.SyncJumpWidth = CAN_SJW_1TQ;
hcan2.Init.TimeSeg1 = CAN_BS1_16TQ; hcan2.Init.TimeSeg1 = CAN_BS1_16TQ;