diff --git a/bsp/stm32f4xx-HAL/drivers/drv_can.c b/bsp/stm32f4xx-HAL/drivers/drv_can.c index 603a2a745b..c19ce2584e 100644 --- a/bsp/stm32f4xx-HAL/drivers/drv_can.c +++ b/bsp/stm32f4xx-HAL/drivers/drv_can.c @@ -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); } /** diff --git a/components/drivers/can/can.c b/components/drivers/can/can.c index e20fcddcff..81fdf25a1e 100644 --- a/components/drivers/can/can.c +++ b/components/drivers/can/can.c @@ -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); }