178 lines
5.9 KiB
C
178 lines
5.9 KiB
C
/**
|
|
******************************************************************************
|
|
* File Name : CAN.c
|
|
* Description : This file provides code for the configuration
|
|
* of the CAN instances.
|
|
******************************************************************************
|
|
* This notice applies to any and all portions of this file
|
|
* that are not between comment pairs USER CODE BEGIN and
|
|
* USER CODE END. Other portions of this file, whether
|
|
* inserted by the user or by software development tools
|
|
* are owned by their respective copyright owners.
|
|
*
|
|
* Copyright (c) 2018 STMicroelectronics International N.V.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted, provided that the following conditions are met:
|
|
*
|
|
* 1. Redistribution of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* 3. Neither the name of STMicroelectronics nor the names of other
|
|
* contributors to this software may be used to endorse or promote products
|
|
* derived from this software without specific written permission.
|
|
* 4. This software, including modifications and/or derivative works of this
|
|
* software, must execute solely and exclusively on microcontroller or
|
|
* microprocessor devices manufactured by or for STMicroelectronics.
|
|
* 5. Redistribution and use of this software other than as permitted under
|
|
* this license is void and will automatically terminate your rights under
|
|
* this license.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
|
|
* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
|
|
* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
|
|
* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
|
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "can.h"
|
|
|
|
#include "gpio.h"
|
|
|
|
/* USER CODE BEGIN 0 */
|
|
|
|
/* USER CODE END 0 */
|
|
|
|
CAN_HandleTypeDef hcan1 = {
|
|
.Instance = CAN1,
|
|
.Init = {
|
|
.Prescaler = 8,
|
|
.Mode = CAN_MODE_NORMAL,
|
|
.SyncJumpWidth = CAN_SJW_4TQ,
|
|
.TimeSeg1 = CAN_BS1_16TQ,
|
|
.TimeSeg2 = CAN_BS2_4TQ,
|
|
.TimeTriggeredMode = DISABLE,
|
|
.AutoBusOff = ENABLE,
|
|
.AutoWakeUp = ENABLE,
|
|
.AutoRetransmission = ENABLE,
|
|
.ReceiveFifoLocked = DISABLE,
|
|
.TransmitFifoPriority = DISABLE,
|
|
}
|
|
};
|
|
|
|
/* CAN1 init function */
|
|
//void MX_CAN1_Init(void)
|
|
//{
|
|
//
|
|
// hcan1.Instance = CAN1;
|
|
// hcan1.Init.Prescaler = 8;
|
|
// hcan1.Init.Mode = CAN_MODE_NORMAL;
|
|
// hcan1.Init.SyncJumpWidth = CAN_SJW_4TQ;
|
|
// hcan1.Init.TimeSeg1 = CAN_BS1_16TQ;
|
|
// hcan1.Init.TimeSeg2 = CAN_BS2_4TQ;
|
|
// hcan1.Init.TimeTriggeredMode = DISABLE;
|
|
// hcan1.Init.AutoBusOff = ENABLE;
|
|
// hcan1.Init.AutoWakeUp = ENABLE;
|
|
// hcan1.Init.AutoRetransmission = ENABLE;
|
|
// hcan1.Init.ReceiveFifoLocked = DISABLE;
|
|
// hcan1.Init.TransmitFifoPriority = DISABLE;
|
|
// if (HAL_CAN_Init(&hcan1) != HAL_OK)
|
|
// {
|
|
// _Error_Handler(__FILE__, __LINE__);
|
|
// }
|
|
//
|
|
//}
|
|
//
|
|
void HAL_CAN_MspInit(CAN_HandleTypeDef* canHandle)
|
|
{
|
|
|
|
GPIO_InitTypeDef GPIO_InitStruct;
|
|
if(canHandle->Instance==CAN1)
|
|
{
|
|
/* USER CODE BEGIN CAN1_MspInit 0 */
|
|
|
|
/* USER CODE END CAN1_MspInit 0 */
|
|
/* CAN1 clock enable */
|
|
__HAL_RCC_CAN1_CLK_ENABLE();
|
|
|
|
/**CAN1 GPIO Configuration
|
|
PB8 ------> CAN1_RX
|
|
PB9 ------> CAN1_TX
|
|
*/
|
|
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.Alternate = GPIO_AF9_CAN1;
|
|
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|
|
|
/* CAN1 interrupt Init */
|
|
HAL_NVIC_SetPriority(CAN1_TX_IRQn, 9, 0);
|
|
HAL_NVIC_EnableIRQ(CAN1_TX_IRQn);
|
|
HAL_NVIC_SetPriority(CAN1_RX0_IRQn, 9, 0);
|
|
HAL_NVIC_EnableIRQ(CAN1_RX0_IRQn);
|
|
HAL_NVIC_SetPriority(CAN1_RX1_IRQn, 9, 0);
|
|
HAL_NVIC_EnableIRQ(CAN1_RX1_IRQn);
|
|
HAL_NVIC_SetPriority(CAN1_SCE_IRQn, 9, 0);
|
|
HAL_NVIC_EnableIRQ(CAN1_SCE_IRQn);
|
|
/* USER CODE BEGIN CAN1_MspInit 1 */
|
|
|
|
/* USER CODE END CAN1_MspInit 1 */
|
|
}
|
|
}
|
|
|
|
void HAL_CAN_MspDeInit(CAN_HandleTypeDef* canHandle)
|
|
{
|
|
|
|
if(canHandle->Instance==CAN1)
|
|
{
|
|
/* USER CODE BEGIN CAN1_MspDeInit 0 */
|
|
|
|
/* USER CODE END CAN1_MspDeInit 0 */
|
|
/* Peripheral clock disable */
|
|
__HAL_RCC_CAN1_CLK_DISABLE();
|
|
|
|
/**CAN1 GPIO Configuration
|
|
PB8 ------> CAN1_RX
|
|
PB9 ------> CAN1_TX
|
|
*/
|
|
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9);
|
|
|
|
/* CAN1 interrupt Deinit */
|
|
HAL_NVIC_DisableIRQ(CAN1_TX_IRQn);
|
|
HAL_NVIC_DisableIRQ(CAN1_RX0_IRQn);
|
|
HAL_NVIC_DisableIRQ(CAN1_RX1_IRQn);
|
|
HAL_NVIC_DisableIRQ(CAN1_SCE_IRQn);
|
|
/* USER CODE BEGIN CAN1_MspDeInit 1 */
|
|
|
|
/* USER CODE END CAN1_MspDeInit 1 */
|
|
}
|
|
}
|
|
|
|
/* USER CODE BEGIN 1 */
|
|
|
|
/* USER CODE END 1 */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|