Mirrors_Framework/rt-thread
1
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2026-09-23 12:15:32 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

[device][serial] call rx_indicate function only if the rx_length is not equal 0

Browse Source
This commit is contained in:
liang yongxiang
2018-07-21 12:34:27 +08:00
parent 8aeb87222e
commit 2f402db661
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/drivers/serial/serial.c
+4 -1
View File
@@ -1180,7 +1180,10 @@ void rt_hw_serial_isr(struct rt_serial_device *serial, int event)
(serial->config.bufsz - (rx_fifo->get_index - rx_fifo->put_index)); (serial->config.bufsz - (rx_fifo->get_index - rx_fifo->put_index));
rt_hw_interrupt_enable(level); rt_hw_interrupt_enable(level);
serial->parent.rx_indicate(&serial->parent, rx_length); if (rx_length)
{
serial->parent.rx_indicate(&serial->parent, rx_length);
}
} }
break; break;
} }