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Merge pull request #2214 from xeonxu/fix_can 

修复CAN驱动部分问题
This commit is contained in:
Bernard Xiong 2019-01-14 17:49:52 +08:00 committed by GitHub
parent d55a9cd62a 52729bb62d
commit b626deba35
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 6 deletions
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16
bsp/stm32f4xx-HAL/drivers/drv_can.c
View File

@ -362,12 +362,16 @@ void CAN2_SCE_IRQHandler(void)
*/
void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan)
{
/* TODO Error Callback */
/* Prevent unused argument(s) compilation warning */
UNUSED(hcan);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_CAN_ErrorCallback could be implemented in the user file
*/
__HAL_CAN_ENABLE_IT(hcan, CAN_IT_EWG |
CAN_IT_EPV |
CAN_IT_BOF |
CAN_IT_LEC |
CAN_IT_ERR |
CAN_IT_FMP0|
CAN_IT_FOV0|
CAN_IT_FMP1|
CAN_IT_FOV1|
CAN_IT_TME);
}
/**

2
components/drivers/can/can.c
View File

@ -405,6 +405,7 @@ static rt_err_t rt_can_close(struct rt_device *dev)
rt_free(rx_fifo);
dev->open_flag &= ~RT_DEVICE_FLAG_INT_RX;
can->can_rx = RT_NULL;
/* configure low level device */
can->ops->control(can, RT_DEVICE_CTRL_CLR_INT, (void *)RT_DEVICE_FLAG_INT_RX);
}
@ -418,6 +419,7 @@ static rt_err_t rt_can_close(struct rt_device *dev)
rt_free(tx_fifo);
dev->open_flag &= ~RT_DEVICE_FLAG_INT_TX;
can->can_tx = RT_NULL;
/* configure low level device */
can->ops->control(can, RT_DEVICE_CTRL_CLR_INT, (void *)RT_DEVICE_FLAG_INT_TX);
}