libs/rt-thread-official
libs
/
rt-thread-official
mirror of https://github.com/RT-Thread/rt-thread.git
4
0
Fork 0
Code Issues Releases Wiki Activity

Merge pull request #1537 from Bluebear233/patch-1 

Update serial.c
This commit is contained in:
Bernard Xiong 2018-06-21 08:59:13 +08:00 committed by GitHub
parent f698c0d668 284744b7b2
commit ff9162a994
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
components/drivers/serial/serial.c
View File

@ -421,7 +421,6 @@ static void rt_dma_recv_update_put_index(struct rt_serial_device *serial, rt_siz
/* force overwrite get index */ /* force overwrite get index */
if (rx_fifo->put_index >= rx_fifo->get_index) if (rx_fifo->put_index >= rx_fifo->get_index)
{ {
rx_fifo->get_index = rx_fifo->put_index;
rx_fifo->is_full = RT_TRUE; rx_fifo->is_full = RT_TRUE;
} }
} }
@ -437,10 +436,15 @@ static void rt_dma_recv_update_put_index(struct rt_serial_device *serial, rt_siz
rx_fifo->put_index %= serial->config.bufsz; rx_fifo->put_index %= serial->config.bufsz;
} }
/* force overwrite get index */ /* force overwrite get index */
rx_fifo->get_index = rx_fifo->put_index;
rx_fifo->is_full = RT_TRUE; rx_fifo->is_full = RT_TRUE;
} }
} }
if(rx_fifo->is_full == RT_TRUE)
{
rx_fifo->get_index = rx_fifo->put_index;
}
if (rx_fifo->get_index >= serial->config.bufsz) rx_fifo->get_index = 0; if (rx_fifo->get_index >= serial->config.bufsz) rx_fifo->get_index = 0;
} }