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[net][at] fix server repeated enter issue

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This commit is contained in:
zylx 2018-08-04 18:43:46 +08:00
parent e5d9bb9013
commit f166ac946b
1 changed files with 2 additions and 2 deletions
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4
components/net/at/src/at_server.c
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@ -352,10 +352,10 @@ static char at_server_gerchar(void)
{ {
char ch; 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_sem_take(at_server_local->rx_notice, RT_WAITING_FOREVER);
rt_device_read(at_server_local->device, 0, &ch, 1);
} }
return ch; return ch;