Files
CANdigger/Core/Src/canlog.c
T

143 lines
4.0 KiB
C

/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : canlog.c
* @brief : SAE J1939 CAN Real Time listening and decoding
******************************************************************************
* @attention
*
* Copyright (c) 2026 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "canlog.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "cmsis_os.h"
#include <string.h>
/* USER CODE END Includes */
extern CAN_HandleTypeDef hcan1;
extern CAN_HandleTypeDef hcan2;
/* USER CODE BEGIN RTOS_TASKS */
/* Definitions for CAN1rx incoming */
osThreadId_t vCAN1_rx;
const osThreadAttr_t vCAN1_rx_attributes = {
.name = "vCAN1_rx",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityRealtime1,
};
/* Definitions for CAN2rx incoming*/
osThreadId_t vCAN2_rx;
const osThreadAttr_t vCAN2_rx_attributes = {
.name = "vCAN2_rx",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityRealtime,
};
/* Definitions for CAN1 LED heartbeat */
osThreadId_t vLED_CAN1_Heartbeat;
const osThreadAttr_t vLED_CAN1_Heartbeat_attributes = {
.name = "vLED_CAN1_HeartbeatTask",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityLow1,
};
/* Definitions for CAN2 LED heartbeat */
osThreadId_t vLED_CAN2_Heartbeat;
const osThreadAttr_t vLED_CAN2_Heartbeat_attributes = {
.name = "vLED_CAN2_HeartbeatTask",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityLow,
};
/* USER END RTOS_TASKS */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN FunctionPrototypes */
/* BEGIN CAN_Logger_Init */
/**
* @brief Initialize CAN
* @param argument: hcan1, hcan2
* @retval None
*/
void CAN_Logger_Init(CAN_HandleTypeDef *hcan1, CAN_HandleTypeDef *hcan2)
{
CAN_FilterTypeDef filter = {0};
filter.FilterMode = CAN_FILTERMODE_IDMASK;
filter.FilterScale = CAN_FILTERSCALE_32BIT;
filter.FilterIdHigh = 0x0000;
filter.FilterMaskIdHigh = 0x0000;
filter.FilterIdLow = 0x0000;
filter.FilterMaskIdLow = 0x0000;
filter.FilterFIFOAssignment = CAN_FILTER_FIFO0;
filter.FilterActivation = ENABLE;
filter.SlaveStartFilterBank = 14;
filter.FilterBank = 0;
if (HAL_CAN_ConfigFilter(hcan1, &filter) != HAL_OK) Error_Handler();
filter.FilterBank = 14;
if (HAL_CAN_ConfigFilter(hcan2, &filter) != HAL_OK) Error_Handler();
if (HAL_CAN_Start(hcan1) != HAL_OK) Error_Handler();
if (HAL_CAN_Start(hcan2) != HAL_OK) Error_Handler();
}
/* END CAN_Logger_Init */
static void CAN_Listen(void *argument){}
/* BEGIN vCAN_Get */
/**
* @brief Log incoming CAN bus traffic in FIFO buffer
* @param argument: Not used
* @retval None
*/
void vCAN_Get(void *argument)
{
/* CODE BEGIN */
/* Infinite loop */
for(;;)
{
osDelay(1);
}
/* CODE END */
}
/* END vCAN_Get */
/* BEGIN vLED_HeartbeatOnCanRx */
/**
* @brief Blink a LED in heartbeat mode when there is CAN traffic detected
* @param argument: LED GPIO (port and pin)
* @retval None
*/
void vLED_HeartbeatOnCanRx(void *argument)
{
/* CODE BEGIN */
LED_Config *led = (LED_Config*)argument;
for(;;)
{
//HAL_GPIO_WritePin(led->port, led->pin, GPIO_PIN_RESET);
// if semaphore for canrx, do the rest
HAL_GPIO_WritePin(led->port, led->pin, GPIO_PIN_SET);
vTaskDelay(pdMS_TO_TICKS(100));
HAL_GPIO_WritePin(led->port, led->pin, GPIO_PIN_RESET);
vTaskDelay(pdMS_TO_TICKS(100));
}
/* CODE END */
}
/* END vLED_HeartbeatOnCanRx */
/* USER CODE END FunctionPrototypes */