at_device/at_client_sample.c

113 lines
3.1 KiB
C

/*
* File : at_client_sample.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2018-07-06 chenyong first version
*/
#include <stdlib.h>
#include <string.h>
#include <rtthread.h>
#include <rt_at.h>
/* AT+CIFSR Query local IP address and MAC */
int at_client_test(int argc, char **argv)
{
rt_at_response_t resp = RT_NULL;
int result = 0;
if (argc != 1)
{
LOG_E("at_client_test - AT client send commands to AT server.");
return -1;
}
resp = rt_at_create_resp(RT_AT_CLIENT_RECV_BUFF_LEN, 0, rt_tick_from_millisecond(5000));
if (resp == RT_NULL)
{
LOG_E("No memory for response structure!");
return -2;
}
result = rt_at_exec_cmd(resp, "AT+CIFSR");
if (result != RT_EOK)
{
LOG_E("AT client send commands failed or return response error!");
goto __exit;
}
/* Print response line buffer */
{
const char *line_buffer = RT_NULL;
LOG_D("Response buffer");
for(rt_size_t line_num = 1; line_num <= resp->line_counts; line_num++)
{
if((line_buffer = at_resp_get_line(resp, line_num)) != RT_NULL)
{
LOG_D("line %d buffer : %s", line_num, line_buffer);
}
else
{
LOG_E("Parse line buffer error!");
}
}
}
{
char resp_arg[RT_AT_CMD_MAX_LEN] = { 0 };
const char * resp_expr = "%*[^\"]\"%[^\"]\"";
LOG_D(" Parse arguments");
if (at_resp_parse_line_args(resp, 2, resp_expr, resp_arg) == 1)
{
LOG_D("Station IP : %s", resp_arg);
memset(resp_arg, 0x00, RT_AT_CMD_MAX_LEN);
}
else
{
LOG_E("Parse error, current line buff : %s", at_resp_get_line(resp, 4));
}
if (at_resp_parse_line_args(resp, 3, resp_expr, resp_arg) == 1)
{
LOG_D("Station MAC : %s", resp_arg);
}
else
{
LOG_E("Parse error, current line buff : %s", at_resp_get_line(resp, 5));
goto __exit;
}
}
__exit:
if(resp)
{
rt_at_delete_resp(resp);
}
return result;
}
#ifdef FINSH_USING_MSH
#include <finsh.h>
MSH_CMD_EXPORT(at_client_test, AT client send cmd and get response);
#endif