[net][at] fix server repeated enter issue
@@ -352,10 +352,10 @@ static char at_server_gerchar(void)
{
char ch;
- if (rt_device_read(at_server_local->device, 0, &ch, 1) == 0)
+ while (rt_device_read(at_server_local->device, 0, &ch, 1) == 0)
{
+ rt_sem_control(at_server_local->rx_notice, RT_IPC_CMD_RESET, RT_NULL);
rt_sem_take(at_server_local->rx_notice, RT_WAITING_FOREVER);
- rt_device_read(at_server_local->device, 0, &ch, 1);
}
return ch;
