Merge pull request #35 from loogg/mlw-fs

添加SIM800C支持
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朱天龙 (Armink) 2019-02-16 15:57:21 +08:00 committed by GitHub
commit ae329bcdfe
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 894 additions and 0 deletions

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@ -10,6 +10,7 @@ AT device 软件包是由 RT-Thread AT 组件针对不同 AT 设备的移植文
| ---- | ---- |
| at_socket_esp8266.c | ESP8266 模块针对 AT 组件的移植文件,实现 AT socket |
| at_socket_rw007.c | RW007 模块针对 AT 组件的移植文件,实现 AT socket |
| at_socket_sim800c.c | SIM800C 模块针对 AT 组件的移植文件,实现 AT socket |
| at_socket_m26.c | M26/MC20 模块针对 AT 组件的移植文件,实现 AT socket |
| at_socket_ec20.c | EC20 模块针对 AT 组件的移植文件,实现 AT socket |
| at_client_sample.c | ESP8266 模块 AT Client 功能示例文件 |

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@ -2,6 +2,8 @@ from building import *
cwd = GetCurrentDir()
src = []
if GetDepend(['AT_DEVICE_M26']):
src = Glob('at_socket_m26.c')
@ -14,6 +16,9 @@ if GetDepend(['AT_DEVICE_ESP8266']):
if GetDepend(['AT_DEVICE_RW007']):
src = Glob('at_socket_rw007.c')
if GetDepend(['AT_DEVICE_SIM800C']):
src += Glob('at_socket_sim800c.c')
if GetDepend(['AT_DEVICE_NOT_SELECTED']):
src = Glob('*.c')

888
at_socket_sim800c.c Normal file
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@ -0,0 +1,888 @@
/*
* File : at_socket_sim800c.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
* 2018-06-12 malongwei first version
*/
#include <stdio.h>
#include <string.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <sys/socket.h>
#include <at.h>
#include <at_socket.h>
#if !defined(AT_SW_VERSION_NUM) || AT_SW_VERSION_NUM < 0x10200
#error "This AT Client version is older, please check and update latest AT Client!"
#endif
#define LOG_TAG "at.sim800c"
#include <at_log.h>
#ifdef AT_DEVICE_SIM800C
#define SIM800C_MODULE_SEND_MAX_SIZE 1000
#define SIM800C_WAIT_CONNECT_TIME 5000
#define SIM800C_THREAD_STACK_SIZE 1024
#define SIM800C_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX/2)
/* set real event by current socket and current state */
#define SET_EVENT(socket, event) (((socket + 1) << 16) | (event))
/* AT socket event type */
#define SIM800C_EVENT_CONN_OK (1L << 0)
#define SIM800C_EVENT_SEND_OK (1L << 1)
#define SIM800C_EVENT_RECV_OK (1L << 2)
#define SIM800C_EVNET_CLOSE_OK (1L << 3)
#define SIM800C_EVENT_CONN_FAIL (1L << 4)
#define SIM800C_EVENT_SEND_FAIL (1L << 5)
/* AT+CSTT command default*/
char *CSTT_CHINA_MOBILE = "AT+CSTT=\"CMNET\"";
char *CSTT_CHINA_UNICOM = "AT+CSTT=\"UNINET\"";
char *CSTT_CHINA_TELECOM = "AT+CSTT=\"CTNET\"";
static int cur_socket;
static rt_event_t at_socket_event;
static rt_mutex_t at_event_lock;
static at_evt_cb_t at_evt_cb_set[] = {
[AT_SOCKET_EVT_RECV] = NULL,
[AT_SOCKET_EVT_CLOSED] = NULL,
};
static int at_socket_event_send(uint32_t event)
{
return (int) rt_event_send(at_socket_event, event);
}
static int at_socket_event_recv(uint32_t event, uint32_t timeout, rt_uint8_t option)
{
int result = 0;
rt_uint32_t recved;
result = rt_event_recv(at_socket_event, event, option | RT_EVENT_FLAG_CLEAR, timeout, &recved);
if (result != RT_EOK)
{
return -RT_ETIMEOUT;
}
return recved;
}
/**
* close socket by AT commands.
*
* @param current socket
*
* @return 0: close socket success
* -1: send AT commands error
* -2: wait socket event timeout
* -5: no memory
*/
static int sim800c_socket_close(int socket)
{
int result = 0;
rt_mutex_take(at_event_lock, RT_WAITING_FOREVER);
cur_socket = socket;
if (at_exec_cmd(RT_NULL, "AT+CIPCLOSE=%d", socket) < 0)
{
result = -RT_ERROR;
goto __exit;
}
if (at_socket_event_recv(SET_EVENT(socket, SIM800C_EVNET_CLOSE_OK), rt_tick_from_millisecond(300*3), RT_EVENT_FLAG_AND) < 0)
{
LOG_E("socket (%d) close failed, wait close OK timeout.", socket);
result = -RT_ETIMEOUT;
goto __exit;
}
__exit:
rt_mutex_release(at_event_lock);
return result;
}
/**
* create TCP/UDP client or server connect by AT commands.
*
* @param socket current socket
* @param ip server or client IP address
* @param port server or client port
* @param type connect socket type(tcp, udp)
* @param is_client connection is client
*
* @return 0: connect success
* -1: connect failed, send commands error or type error
* -2: wait socket event timeout
* -5: no memory
*/
static int sim800c_socket_connect(int socket, char *ip, int32_t port, enum at_socket_type type, rt_bool_t is_client)
{
int result = 0, event_result = 0;
rt_bool_t retryed = RT_FALSE;
RT_ASSERT(ip);
RT_ASSERT(port >= 0);
/* lock AT socket connect */
rt_mutex_take(at_event_lock, RT_WAITING_FOREVER);
__retry:
if (is_client)
{
switch (type)
{
case AT_SOCKET_TCP:
/* send AT commands(eg: AT+QIOPEN=0,"TCP","x.x.x.x", 1234) to connect TCP server */
if (at_exec_cmd(RT_NULL, "AT+CIPSTART=%d,\"TCP\",\"%s\",%d", socket, ip, port) < 0)
{
result = -RT_ERROR;
goto __exit;
}
break;
case AT_SOCKET_UDP:
if (at_exec_cmd(RT_NULL, "AT+CIPSTART=%d,\"UDP\",\"%s\",%d", socket, ip, port) < 0)
{
result = -RT_ERROR;
goto __exit;
}
break;
default:
LOG_E("Not supported connect type : %d.", type);
result = -RT_ERROR;
goto __exit;
break;
}
}
/* waiting result event from AT URC, the device default connection timeout is 75 seconds, but it set to 10 seconds is convenient to use.*/
if (at_socket_event_recv(SET_EVENT(socket, 0), rt_tick_from_millisecond(10 * 1000), RT_EVENT_FLAG_OR) < 0)
{
LOG_E("socket (%d) connect failed, wait connect result timeout.", socket);
result = -RT_ETIMEOUT;
goto __exit;
}
/* waiting OK or failed result */
if ((event_result = at_socket_event_recv(SIM800C_EVENT_CONN_OK | SIM800C_EVENT_CONN_FAIL, rt_tick_from_millisecond(1 * 1000),
RT_EVENT_FLAG_OR)) < 0)
{
LOG_E("socket (%d) connect failed, wait connect OK|FAIL timeout.", socket);
result = -RT_ETIMEOUT;
goto __exit;
}
/* check result */
if (event_result & SIM800C_EVENT_CONN_FAIL)
{
if (!retryed)
{
LOG_E("socket (%d) connect failed, maybe the socket was not be closed at the last time and now will retry.", socket);
if (sim800c_socket_close(socket) < 0)
{
goto __exit;
}
retryed = RT_TRUE;
goto __retry;
}
LOG_E("socket (%d) connect failed, failed to establish a connection.", socket);
result = -RT_ERROR;
goto __exit;
}
__exit:
/* unlock AT socket connect */
rt_mutex_release(at_event_lock);
return result;
}
/**
* send data to server or client by AT commands.
*
* @param socket current socket
* @param buff send buffer
* @param bfsz send buffer size
* @param type connect socket type(tcp, udp)
*
* @return >=0: the size of send success
* -1: send AT commands error or send data error
* -2: waited socket event timeout
* -5: no memory
*/
static int sim800c_socket_send(int socket, const char *buff, size_t bfsz, enum at_socket_type type)
{
int result = 0, event_result = 0;
at_response_t resp = RT_NULL;
size_t cur_pkt_size = 0, sent_size = 0;
RT_ASSERT(buff);
resp = at_create_resp(128, 2, rt_tick_from_millisecond(5000));
if (!resp)
{
LOG_E("No memory for response structure!");
return -RT_ENOMEM;
}
rt_mutex_take(at_event_lock, RT_WAITING_FOREVER);
/* set current socket for send URC event */
cur_socket = socket;
/* set AT client end sign to deal with '>' sign.*/
at_set_end_sign('>');
while (sent_size < bfsz)
{
if (bfsz - sent_size < SIM800C_MODULE_SEND_MAX_SIZE)
{
cur_pkt_size = bfsz - sent_size;
}
else
{
cur_pkt_size = SIM800C_MODULE_SEND_MAX_SIZE;
}
/* send the "AT+QISEND" commands to AT server than receive the '>' response on the first line. */
if (at_exec_cmd(resp, "AT+CIPSEND=%d,%d", socket, cur_pkt_size) < 0)
{
result = -RT_ERROR;
goto __exit;
}
/* send the real data to server or client */
result = (int) at_client_send(buff + sent_size, cur_pkt_size);
if (result == 0)
{
result = -RT_ERROR;
goto __exit;
}
/* waiting result event from AT URC */
if (at_socket_event_recv(SET_EVENT(socket, 0), rt_tick_from_millisecond(5 * 1000), RT_EVENT_FLAG_OR) < 0)
{
LOG_E("socket (%d) send failed, wait connect result timeout.", socket);
result = -RT_ETIMEOUT;
goto __exit;
}
/* waiting OK or failed result */
if ((event_result = at_socket_event_recv(SIM800C_EVENT_SEND_OK | SIM800C_EVENT_SEND_FAIL, rt_tick_from_millisecond(5 * 1000),
RT_EVENT_FLAG_OR)) < 0)
{
LOG_E("socket (%d) send failed, wait connect OK|FAIL timeout.", socket);
result = -RT_ETIMEOUT;
goto __exit;
}
/* check result */
if (event_result & SIM800C_EVENT_SEND_FAIL)
{
LOG_E("socket (%d) send failed, return failed.", socket);
result = -RT_ERROR;
goto __exit;
}
if (type == AT_SOCKET_TCP)
{
//cur_pkt_size = cur_send_bfsz;
}
sent_size += cur_pkt_size;
}
__exit:
/* reset the end sign for data conflict */
at_set_end_sign(0);
rt_mutex_release(at_event_lock);
if (resp)
{
at_delete_resp(resp);
}
return result;
}
/**
* domain resolve by AT commands.
*
* @param name domain name
* @param ip parsed IP address, it's length must be 16
*
* @return 0: domain resolve success
* -1: send AT commands error or response error
* -2: wait socket event timeout
* -5: no memory
*/
static int sim800c_domain_resolve(const char *name, char ip[16])
{
#define RESOLVE_RETRY 5
int i, result = RT_EOK;
char recv_ip[16] = { 0 };
at_response_t resp = RT_NULL;
RT_ASSERT(name);
RT_ASSERT(ip);
/* The maximum response time is 14 seconds, affected by network status */
resp = at_create_resp(128, 4, rt_tick_from_millisecond(14 * 1000));
if (!resp)
{
LOG_E("No memory for response structure!");
return -RT_ENOMEM;
}
rt_mutex_take(at_event_lock, RT_WAITING_FOREVER);
for(i = 0; i < RESOLVE_RETRY; i++)
{
if (at_exec_cmd(resp, "AT+CDNSGIP=\"%s\"", name) < 0)
{
result = -RT_ERROR;
goto __exit;
}
/* parse the third line of response data, get the IP address */
if(at_resp_parse_line_args_by_kw(resp, "+CDNSGIP:", "%*[^,],%*[^,],\"%[^\"]", recv_ip) < 0)
{
rt_thread_delay(rt_tick_from_millisecond(100));
/* resolve failed, maybe receive an URC CRLF */
continue;
}
if (strlen(recv_ip) < 8)
{
rt_thread_delay(rt_tick_from_millisecond(100));
/* resolve failed, maybe receive an URC CRLF */
continue;
}
else
{
strncpy(ip, recv_ip, 15);
ip[15] = '\0';
//LOG_I("DNS IP:%s",ip);
break;
}
}
__exit:
rt_mutex_release(at_event_lock);
if (resp)
{
at_delete_resp(resp);
}
return result;
}
/**
* set AT socket event notice callback
*
* @param event notice event
* @param cb notice callback
*/
static void sim800c_socket_set_event_cb(at_socket_evt_t event, at_evt_cb_t cb)
{
if (event < sizeof(at_evt_cb_set) / sizeof(at_evt_cb_set[1]))
{
at_evt_cb_set[event] = cb;
}
}
static void urc_connect_func(const char *data, rt_size_t size)
{
int socket = 0;
RT_ASSERT(data && size);
sscanf(data, "%d,%*", &socket);
if (strstr(data, "CONNECT OK"))
{
at_socket_event_send(SET_EVENT(socket, SIM800C_EVENT_CONN_OK));
}
else if (strstr(data, "CONNECT FAIL"))
{
at_socket_event_send(SET_EVENT(socket, SIM800C_EVENT_CONN_FAIL));
}
}
static void urc_send_func(const char *data, rt_size_t size)
{
RT_ASSERT(data && size);
if (strstr(data, "SEND OK"))
{
at_socket_event_send(SET_EVENT(cur_socket, SIM800C_EVENT_SEND_OK));
}
else if (strstr(data, "SEND FAIL"))
{
at_socket_event_send(SET_EVENT(cur_socket, SIM800C_EVENT_SEND_FAIL));
}
}
static void urc_close_func(const char *data, rt_size_t size)
{
int socket = 0;
RT_ASSERT(data && size);
if (strstr(data, "CLOSE OK"))
{
at_socket_event_send(SET_EVENT(cur_socket, SIM800C_EVNET_CLOSE_OK));
}
else if (strstr(data, "CLOSED"))
{
sscanf(data, "%d, CLOSED", &socket);
/* notice the socket is disconnect by remote */
if (at_evt_cb_set[AT_SOCKET_EVT_CLOSED])
{
at_evt_cb_set[AT_SOCKET_EVT_CLOSED](socket, AT_SOCKET_EVT_CLOSED, NULL, 0);
}
}
}
static void urc_recv_func(const char *data, rt_size_t size)
{
int socket = 0;
rt_size_t bfsz = 0, temp_size = 0;
rt_int32_t timeout;
char *recv_buf = RT_NULL, temp[8];
RT_ASSERT(data && size);
/* get the current socket and receive buffer size by receive data */
sscanf(data, "+RECEIVE,%d,%d:", &socket, (int *) &bfsz);
/* get receive timeout by receive buffer length */
timeout = bfsz;
if (socket < 0 || bfsz == 0)
return;
recv_buf = rt_calloc(1, bfsz);
if (!recv_buf)
{
LOG_E("no memory for URC receive buffer (%d)!", bfsz);
/* read and clean the coming data */
while (temp_size < bfsz)
{
if (bfsz - temp_size > sizeof(temp))
{
at_client_recv(temp, sizeof(temp), timeout);
}
else
{
at_client_recv(temp, bfsz - temp_size, timeout);
}
temp_size += sizeof(temp);
}
return;
}
/* sync receive data */
if (at_client_recv(recv_buf, bfsz, timeout) != bfsz)
{
LOG_E("receive size(%d) data failed!", bfsz);
rt_free(recv_buf);
return;
}
/* notice the receive buffer and buffer size */
if (at_evt_cb_set[AT_SOCKET_EVT_RECV])
{
at_evt_cb_set[AT_SOCKET_EVT_RECV](socket, AT_SOCKET_EVT_RECV, recv_buf, bfsz);
}
}
static void urc_func(const char *data, rt_size_t size)
{
RT_ASSERT(data);
LOG_I("URC data : %.*s", size, data);
}
static const struct at_urc urc_table[] = {
{"RDY", "\r\n", urc_func},
{"", ", CONNECT OK\r\n", urc_connect_func},
{"", ", CONNECT FAIL\r\n", urc_connect_func},
{"", ", SEND OK\r\n", urc_send_func},
{"", ", SEND FAIL\r\n", urc_send_func},
{"", ", CLOSE OK\r\n", urc_close_func},
{"", ", CLOSED\r\n", urc_close_func},
{"+RECEIVE,", "\r\n", urc_recv_func},
};
#define AT_SEND_CMD(resp, resp_line, timeout, cmd) \
do \
{ \
if (at_exec_cmd(at_resp_set_info(resp, 128, resp_line, rt_tick_from_millisecond(timeout)), cmd) < 0) \
{ \
result = -RT_ERROR; \
goto __exit; \
} \
} while(0); \
static void sim800c_power_on(void)
{
if (rt_pin_read(AT_DEVICE_STATUS_PIN) == PIN_HIGH)
return;
rt_pin_write(AT_DEVICE_POWER_PIN, PIN_HIGH);
while (rt_pin_read(AT_DEVICE_STATUS_PIN) == PIN_LOW)
{
rt_thread_delay(rt_tick_from_millisecond(10));
}
rt_pin_write(AT_DEVICE_POWER_PIN, PIN_LOW);
}
static void sim800c_power_off(void)
{
if (rt_pin_read(AT_DEVICE_STATUS_PIN) == PIN_LOW)
return;
rt_pin_write(AT_DEVICE_POWER_PIN, PIN_HIGH);
while (rt_pin_read(AT_DEVICE_STATUS_PIN) == PIN_HIGH)
{
rt_thread_delay(rt_tick_from_millisecond(10));
}
rt_pin_write(AT_DEVICE_POWER_PIN, PIN_LOW);
}
/* init for SIM800C */
static void sim800c_init_thread_entry(void *parameter)
{
#define CPIN_RETRY 10
#define CSQ_RETRY 10
#define CREG_RETRY 10
#define CGREG_RETRY 20
at_response_t resp = RT_NULL;
int i, qimux;
char parsed_data[10];
rt_err_t result = RT_EOK;
rt_mutex_take(at_event_lock, RT_WAITING_FOREVER);
while (1)
{
result = RT_EOK;
rt_memset(parsed_data, 0, sizeof(parsed_data));
rt_thread_delay(rt_tick_from_millisecond(500));
sim800c_power_on();
rt_thread_delay(rt_tick_from_millisecond(2000));
resp = at_create_resp(128, 0, rt_tick_from_millisecond(300));
if (!resp)
{
LOG_E("No memory for response structure!");
result = -RT_ENOMEM;
goto __exit;
}
LOG_D("Start initializing the SIM800C module");
/* wait SIM800C startup finish */
if (at_client_wait_connect(SIM800C_WAIT_CONNECT_TIME))
{
result = -RT_ETIMEOUT;
goto __exit;
}
/* disable echo */
AT_SEND_CMD(resp, 0, 300, "ATE0");
/* get module version */
AT_SEND_CMD(resp, 0, 300, "ATI");
/* show module version */
for (i = 0; i < (int)resp->line_counts - 1; i++)
{
LOG_D("%s", at_resp_get_line(resp, i + 1));
}
/* check SIM card */
for (i = 0; i < CPIN_RETRY; i++)
{
at_exec_cmd(at_resp_set_info(resp, 128, 2, rt_tick_from_millisecond(5000)), "AT+CPIN?");
if (at_resp_get_line_by_kw(resp, "READY"))
{
LOG_D("SIM card detection success");
break;
}
rt_thread_delay(rt_tick_from_millisecond(1000));
}
if (i == CPIN_RETRY)
{
LOG_E("SIM card detection failed!");
result = -RT_ERROR;
goto __exit;
}
/* waiting for dirty data to be digested */
rt_thread_delay(rt_tick_from_millisecond(10));
/* check the GSM network is registered */
for (i = 0; i < CREG_RETRY; i++)
{
AT_SEND_CMD(resp, 0, 300, "AT+CREG?");
at_resp_parse_line_args_by_kw(resp, "+CREG:", "+CREG: %s", &parsed_data);
if (!strncmp(parsed_data, "0,1", sizeof(parsed_data)) || !strncmp(parsed_data, "0,5", sizeof(parsed_data)))
{
LOG_D("GSM network is registered (%s)", parsed_data);
break;
}
rt_thread_delay(rt_tick_from_millisecond(1000));
}
if (i == CREG_RETRY)
{
LOG_E("The GSM network is register failed (%s)", parsed_data);
result = -RT_ERROR;
goto __exit;
}
/* check the GPRS network is registered */
for (i = 0; i < CGREG_RETRY; i++)
{
AT_SEND_CMD(resp, 0, 300, "AT+CGREG?");
at_resp_parse_line_args_by_kw(resp, "+CGREG:", "+CGREG: %s", &parsed_data);
if (!strncmp(parsed_data, "0,1", sizeof(parsed_data)) || !strncmp(parsed_data, "0,5", sizeof(parsed_data)))
{
LOG_D("GPRS network is registered (%s)", parsed_data);
break;
}
rt_thread_delay(rt_tick_from_millisecond(1000));
}
if (i == CGREG_RETRY)
{
LOG_E("The GPRS network is register failed (%s)", parsed_data);
result = -RT_ERROR;
goto __exit;
}
/* check signal strength */
for (i = 0; i < CSQ_RETRY; i++)
{
AT_SEND_CMD(resp, 0, 300, "AT+CSQ");
at_resp_parse_line_args_by_kw(resp, "+CSQ:", "+CSQ: %s", &parsed_data);
if (strncmp(parsed_data, "99,99", sizeof(parsed_data)))
{
LOG_D("Signal strength: %s", parsed_data);
break;
}
rt_thread_delay(rt_tick_from_millisecond(1000));
}
if (i == CSQ_RETRY)
{
LOG_E("Signal strength check failed (%s)", parsed_data);
result = -RT_ERROR;
goto __exit;
}
/* the device default response timeout is 40 seconds, but it set to 15 seconds is convenient to use. */
AT_SEND_CMD(resp, 2, 20 * 1000, "AT+CIPSHUT");
/* Set to multiple connections */
AT_SEND_CMD(resp, 0, 300, "AT+CIPMUX?");
at_resp_parse_line_args_by_kw(resp, "+CIPMUX:", "+CIPMUX: %d", &qimux);
if (qimux == 0)
{
AT_SEND_CMD(resp, 0, 300, "AT+CIPMUX=1");
}
AT_SEND_CMD(resp, 0, 300, "AT+COPS?");
at_resp_parse_line_args_by_kw(resp, "+COPS:", "+COPS: %*[^\"]\"%[^\"]", &parsed_data);
if (strcmp(parsed_data, "CHINA MOBILE") == 0)
{
/* "CMCC" */
LOG_I("%s", parsed_data);
AT_SEND_CMD(resp, 0, 300, CSTT_CHINA_MOBILE);
}
else if (strcmp(parsed_data, "CHN-UNICOM") == 0)
{
/* "UNICOM" */
LOG_I("%s", parsed_data);
AT_SEND_CMD(resp, 0, 300, CSTT_CHINA_UNICOM);
}
else if (strcmp(parsed_data, "CHN-CT") == 0)
{
AT_SEND_CMD(resp, 0, 300, CSTT_CHINA_TELECOM);
/* "CT" */
LOG_I("%s", parsed_data);
}
/* the device default response timeout is 150 seconds, but it set to 20 seconds is convenient to use. */
AT_SEND_CMD(resp, 0, 20 * 1000, "AT+CIICR");
AT_SEND_CMD(resp, 2, 300, "AT+CIFSR");
if(at_resp_get_line_by_kw(resp, "ERROR") != RT_NULL)
{
LOG_E("Get the local address failed");
result = -RT_ERROR;
goto __exit;
}
__exit:
if (resp)
{
at_delete_resp(resp);
}
if (!result)
{
LOG_I("AT network initialize success!");
rt_mutex_release(at_event_lock);
break;
}
else
{
LOG_E("AT network initialize failed (%d)!", result);
sim800c_power_off();
}
}
}
int sim800c_net_init(void)
{
#ifdef PKG_AT_INIT_BY_THREAD
rt_thread_t tid;
tid = rt_thread_create("sim800c_net_init", sim800c_init_thread_entry, RT_NULL, SIM800C_THREAD_STACK_SIZE, SIM800C_THREAD_PRIORITY, 20);
if (tid)
{
rt_thread_startup(tid);
}
else
{
LOG_E("Create AT initialization thread fail!");
}
#else
sim800c_init_thread_entry(RT_NULL);
#endif
return RT_EOK;
}
int sim800c_ping(int argc, char **argv)
{
LOG_E("This device does not support Ping!");
return RT_EOK;
}
int sim800c_ifconfig(void)
{
at_response_t resp = RT_NULL;
char resp_arg[AT_CMD_MAX_LEN] = { 0 };
const char * resp_expr = "%s";
rt_err_t result = RT_EOK;
resp = at_create_resp(64, 2, rt_tick_from_millisecond(300));
if (!resp)
{
rt_kprintf("No memory for response structure!\n");
return -RT_ENOMEM;
}
rt_mutex_take(at_event_lock, RT_WAITING_FOREVER);
if (at_exec_cmd(resp, "AT+CIFSR") < 0)
{
rt_kprintf("AT send ip commands error!\n");
result = RT_ERROR;
goto __exit;
}
if (at_resp_parse_line_args(resp, 2, resp_expr, resp_arg) == 1)
{
rt_kprintf("IP address : %s\n", resp_arg);
}
else
{
rt_kprintf("Parse error, current line buff : %s\n", at_resp_get_line(resp, 2));
result = RT_ERROR;
goto __exit;
}
__exit:
rt_mutex_release(at_event_lock);
if (resp)
{
at_delete_resp(resp);
}
return result;
}
#ifdef FINSH_USING_MSH
#include <finsh.h>
MSH_CMD_EXPORT_ALIAS(sim800c_net_init, at_net_init, initialize AT network);
MSH_CMD_EXPORT_ALIAS(sim800c_ping, at_ping, AT ping network host);
MSH_CMD_EXPORT_ALIAS(sim800c_ifconfig, at_ifconfig, list the information of network interfaces);
#endif
static const struct at_device_ops sim800c_socket_ops = {
sim800c_socket_connect,
sim800c_socket_close,
sim800c_socket_send,
sim800c_domain_resolve,
sim800c_socket_set_event_cb,
};
static int at_socket_device_init(void)
{
/* create current AT socket event */
at_socket_event = rt_event_create("at_se", RT_IPC_FLAG_FIFO);
if (at_socket_event == RT_NULL)
{
LOG_E("AT client port initialize failed! at_sock_event create failed!");
return -RT_ENOMEM;
}
/* create current AT socket event lock */
at_event_lock = rt_mutex_create("at_se", RT_IPC_FLAG_FIFO);
if (at_event_lock == RT_NULL)
{
LOG_E("AT client port initialize failed! at_sock_lock create failed!");
rt_event_delete(at_socket_event);
return -RT_ENOMEM;
}
/* initialize AT client */
at_client_init(AT_DEVICE_NAME, AT_DEVICE_RECV_BUFF_LEN);
/* register URC data execution function */
at_set_urc_table(urc_table, sizeof(urc_table) / sizeof(urc_table[0]));
/* initialize sim800c network */
rt_pin_mode(AT_DEVICE_POWER_PIN, PIN_MODE_OUTPUT);
rt_pin_mode(AT_DEVICE_STATUS_PIN, PIN_MODE_INPUT);
sim800c_net_init();
/* set sim800c AT Socket options */
at_socket_device_register(&sim800c_socket_ops);
return RT_EOK;
}
INIT_APP_EXPORT(at_socket_device_init);
#endif /* AT_DEVICE_SIM800C */