118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/**
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******************************************************************************
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* @file can.c
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* @brief This file provides code for the configuration
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* of the CAN instances.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "can.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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CAN_HandleTypeDef hcan1;
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/* CAN1 init function */
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void MX_CAN1_Init(void)
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{
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hcan1.Instance = CAN1;
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hcan1.Init.Prescaler = 5;
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hcan1.Init.Mode = CAN_MODE_NORMAL;
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hcan1.Init.SyncJumpWidth = CAN_SJW_2TQ;
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hcan1.Init.TimeSeg1 = CAN_BS1_14TQ;
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hcan1.Init.TimeSeg2 = CAN_BS2_3TQ;
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hcan1.Init.TimeTriggeredMode = DISABLE;
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hcan1.Init.AutoBusOff = ENABLE;
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hcan1.Init.AutoWakeUp = DISABLE;
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hcan1.Init.AutoRetransmission = ENABLE;
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hcan1.Init.ReceiveFifoLocked = DISABLE;
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hcan1.Init.TransmitFifoPriority = DISABLE;
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if (HAL_CAN_Init(&hcan1) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void HAL_CAN_MspInit(CAN_HandleTypeDef* canHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(canHandle->Instance==CAN1)
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{
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/* USER CODE BEGIN CAN1_MspInit 0 */
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/* USER CODE END CAN1_MspInit 0 */
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/* CAN1 clock enable */
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__HAL_RCC_CAN1_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**CAN1 GPIO Configuration
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PB8 ------> CAN1_RX
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PB9 ------> CAN1_TX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF9_CAN1;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* CAN1 interrupt Init */
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HAL_NVIC_SetPriority(CAN1_TX_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(CAN1_TX_IRQn);
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HAL_NVIC_SetPriority(CAN1_RX0_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(CAN1_RX0_IRQn);
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/* USER CODE BEGIN CAN1_MspInit 1 */
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/* USER CODE END CAN1_MspInit 1 */
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}
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}
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void HAL_CAN_MspDeInit(CAN_HandleTypeDef* canHandle)
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{
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if(canHandle->Instance==CAN1)
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{
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/* USER CODE BEGIN CAN1_MspDeInit 0 */
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/* USER CODE END CAN1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_CAN1_CLK_DISABLE();
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/**CAN1 GPIO Configuration
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PB8 ------> CAN1_RX
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PB9 ------> CAN1_TX
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9);
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/* CAN1 interrupt Deinit */
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HAL_NVIC_DisableIRQ(CAN1_TX_IRQn);
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HAL_NVIC_DisableIRQ(CAN1_RX0_IRQn);
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/* USER CODE BEGIN CAN1_MspDeInit 1 */
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/* USER CODE END CAN1_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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