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corrected and verified can bus output

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This commit is contained in:
Richard Koeppe
2024-06-25 10:08:31 +00:00
parent e2baacbc92
commit 137aa9bcb3
3 changed files with 72 additions and 43 deletions
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38
Core/Src/main.c
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@ -94,30 +94,28 @@ int main(void) {
MX_SPI1_Init();
/* USER CODE BEGIN 2 */
// CAN_FilterTypeDef canfilterconfig;
// canfilterconfig.FilterActivation = ENABLE;
// canfilterconfig.FilterBank = 1; // which filter bank to use from the assigned ones
// canfilterconfig.FilterFIFOAssignment = CAN_FILTER_FIFO0;
// canfilterconfig.FilterIdHigh = 0x0000;
// canfilterconfig.FilterIdLow = 0x0000;
// canfilterconfig.FilterMaskIdHigh = 0x0000;
// canfilterconfig.FilterMaskIdLow = 0x0000;
// canfilterconfig.FilterMode = CAN_FILTERMODE_IDMASK;
// canfilterconfig.FilterScale = CAN_FILTERSCALE_32BIT;
// canfilterconfig.SlaveStartFilterBank = 20; // how many filters to assign to the CAN1 (master can)
// HAL_CAN_ConfigFilter(&hcan, &canfilterconfig);
CAN_FilterTypeDef canfilterconfig;
canfilterconfig.FilterActivation = ENABLE;
canfilterconfig.FilterBank = 1; // which filter bank to use from the assigned ones
canfilterconfig.FilterFIFOAssignment = CAN_FILTER_FIFO0;
canfilterconfig.FilterIdHigh = 0x0000;
canfilterconfig.FilterIdLow = 0x0000;
canfilterconfig.FilterMaskIdHigh = 0x0000;
canfilterconfig.FilterMaskIdLow = 0x0000;
canfilterconfig.FilterMode = CAN_FILTERMODE_IDMASK;
canfilterconfig.FilterScale = CAN_FILTERSCALE_32BIT;
canfilterconfig.SlaveStartFilterBank = 20; // how many filters to assign to the CAN1 (master can)
HAL_CAN_ConfigFilter(&hcan, &canfilterconfig);
ftcan_init(&hcan);
ftcan_add_filter(&hcan, 0x10, 0x0000);
// if (HAL_CAN_ActivateNotification(&hcan, CAN_IT_RX_FIFO0_MSG_PENDING) != HAL_OK) {
// Error_Handler();
// }
// ftcan_add_filter(&hcan, 0x10, 0x0000);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1) {
// spi2can(&hspi1, &hcan);
spi2can(&hspi1, &hcan);
HAL_Delay(100);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
@ -171,11 +169,11 @@ static void MX_CAN_Init(void) {
/* USER CODE END CAN_Init 1 */
hcan.Instance = CAN;
hcan.Init.Prescaler = 8;
hcan.Init.Prescaler = 2;
hcan.Init.Mode = CAN_MODE_NORMAL;
hcan.Init.SyncJumpWidth = CAN_SJW_1TQ;
hcan.Init.TimeSeg1 = CAN_BS1_2TQ;
hcan.Init.TimeSeg2 = CAN_BS2_1TQ;
hcan.Init.TimeSeg1 = CAN_BS1_13TQ;
hcan.Init.TimeSeg2 = CAN_BS2_2TQ;
hcan.Init.TimeTriggeredMode = DISABLE;
hcan.Init.AutoBusOff = DISABLE;
hcan.Init.AutoWakeUp = DISABLE;