Fix rtthread CAN driver issue.
Reset rx tx handler when closing CAN device, Or it will not work after
reopening.
@@ -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);
}
