Optimize getc flow.

2021-03-02 10:42:40 +08:00 · 2021-03-02 10:42:40 +08:00 · eaacc0ae3e
parent a50d81827a
commit eaacc0ae3e
1 changed files with 2 additions and 2 deletions
--- a/components/net/at/src/at_client.c
+++ b/components/net/at/src/at_client.c
@ -436,13 +436,13 @@ static rt_err_t at_client_getchar(at_client_t client, char *ch, rt_int32_t timeo

    while (rt_device_read(client->device, 0, ch, 1) == 0)
    {
-        rt_sem_control(client->rx_notice, RT_IPC_CMD_RESET, RT_NULL);
-
        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;