Merge pull request #4305 from OpenNuvoton/revert-3293-fix_at

Revert "fix the bug that rx_notice out of sync when data received aft…
This commit is contained in:
Bernard Xiong
2021-03-03 08:53:01 +08:00
committed by GitHub
+10 -12
View File
@@ -434,20 +434,18 @@ static rt_err_t at_client_getchar(at_client_t client, char *ch, rt_int32_t timeo
{
rt_err_t result = RT_EOK;
__retry:
result = rt_sem_take(client->rx_notice, rt_tick_from_millisecond(timeout));
if (result != RT_EOK)
while (rt_device_read(client->device, 0, ch, 1) == 0)
{
return result;
}
if(rt_device_read(client->device, 0, ch, 1) == 1)
{
return RT_EOK;
}
else
{
goto __retry;
result = rt_sem_take(client->rx_notice, rt_tick_from_millisecond(timeout));
if (result != RT_EOK)
{
return result;
}
rt_sem_control(client->rx_notice, RT_IPC_CMD_RESET, RT_NULL);
}
return RT_EOK;
}
/**