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at_device/class/m26/at_device_m26.c

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/*
* File : at_device_m26.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 chenyong first version
* 2019-05-12 chenyong multi AT socket client support
*/
#include <stdio.h>
#include <string.h>
#include <at_device_m26.h>
#define LOG_TAG "at.dev"
#include <at_log.h>
#ifdef AT_DEVICE_USING_M26
#define M26_WAIT_CONNECT_TIME 5000
#define M26_THREAD_STACK_SIZE 2048
#define M26_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX/2)
static void m26_power_on(struct at_device *device)
{
struct at_device_m26 *m26 = RT_NULL;
m26 = (struct at_device_m26 *) device->user_data;
/* not nead to set pin configuration for m26 device power on */
if (m26->power_pin == -1 || m26->power_status_pin == -1)
{
return;
}
if (rt_pin_read(m26->power_status_pin) == PIN_HIGH)
{
return;
}
rt_pin_write(m26->power_pin, PIN_HIGH);
while (rt_pin_read(m26->power_status_pin) == PIN_LOW)
{
rt_thread_mdelay(10);
}
rt_pin_write(m26->power_pin, PIN_LOW);
}
static void m26_power_off(struct at_device *device)
{
struct at_device_m26 *m26 = RT_NULL;
m26 = (struct at_device_m26 *) device->user_data;
/* not nead to set pin configuration for m26 device power on */
if (m26->power_pin == -1 || m26->power_status_pin == -1)
{
return;
}
if (rt_pin_read(m26->power_status_pin) == PIN_LOW)
{
return;
}
rt_pin_write(m26->power_pin, PIN_HIGH);
while (rt_pin_read(m26->power_status_pin) == PIN_HIGH)
{
rt_thread_mdelay(10);
}
rt_pin_write(m26->power_pin, PIN_LOW);
}
/* ============================= m26 network interface operations ============================= */
/* set m26 network interface device status and address information */
static int m26_netdev_set_info(struct netdev *netdev)
{
#define M26_IEMI_RESP_SIZE 32
#define M26_IPADDR_RESP_SIZE 32
#define M26_DNS_RESP_SIZE 96
#define M26_INFO_RESP_TIMO rt_tick_from_millisecond(300)
int result = RT_EOK;
ip_addr_t addr;
at_response_t resp = RT_NULL;
struct at_device *device = RT_NULL;
struct at_client *client = RT_NULL;
if (netdev == RT_NULL)
{
LOG_E("input network interface device is NULL.");
return -RT_ERROR;
}
device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name);
if (device == RT_NULL)
{
LOG_E("get m26 deivce by netdev name failed.", netdev->name);
return -RT_ERROR;
}
client = device->client;
/* set network interface device up status */
netdev_low_level_set_status(netdev, RT_TRUE);
netdev_low_level_set_dhcp_status(netdev, RT_TRUE);
resp = at_create_resp(M26_IEMI_RESP_SIZE, 0, M26_INFO_RESP_TIMO);
if (resp == RT_NULL)
{
LOG_E("no memory for m26 device(%s) response structure.", netdev->name);
result = -RT_ENOMEM;
goto __exit;
}
/* set network interface device hardware address(IEMI) */
{
#define M26_NETDEV_HWADDR_LEN 8
#define M26_IEMI_LEN 15
char iemi[M26_IEMI_LEN] = {0};
int i = 0, j = 0;
/* send "AT+GSN" commond to get device IEMI */
if (at_obj_exec_cmd(client, resp, "AT+GSN") < 0)
{
result = -RT_ERROR;
goto __exit;
}
if (at_resp_parse_line_args(resp, 2, "%s", iemi) <= 0)
{
LOG_E("m26 device(%s) prase \"AT+GSN\" commands resposne data error.", device->name);
result = -RT_ERROR;
goto __exit;
}
LOG_D("m26 device(%s) IEMI number: %s", device->name, iemi);
netdev->hwaddr_len = M26_NETDEV_HWADDR_LEN;
/* get hardware address by IEMI */
for (i = 0, j = 0; i < M26_NETDEV_HWADDR_LEN && j < M26_IEMI_LEN; i++, j+=2)
{
if (j != M26_IEMI_LEN - 1)
{
netdev->hwaddr[i] = (iemi[j] - '0') * 10 + (iemi[j + 1] - '0');
}
else
{
netdev->hwaddr[i] = (iemi[j] - '0');
}
}
}
/* set network interface device IP address */
{
#define IP_ADDR_SIZE_MAX 16
char ipaddr[IP_ADDR_SIZE_MAX] = {0};
at_resp_set_info(resp, M26_IPADDR_RESP_SIZE, 2, M26_INFO_RESP_TIMO);
/* send "AT+QILOCIP" commond to get IP address */
if (at_obj_exec_cmd(client, resp, "AT+QILOCIP") < 0)
{
result = -RT_ERROR;
goto __exit;
}
if (at_resp_parse_line_args_by_kw(resp, ".", "%s", ipaddr) <= 0)
{
LOG_E("m26 device(%s) prase \"AT+QILOCIP\" commands resposne data error.", device->name);
result = -RT_ERROR;
goto __exit;
}
LOG_D("m26 device(%s) IP address: %s", device->name, ipaddr);
/* set network interface address information */
inet_aton(ipaddr, &addr);
netdev_low_level_set_ipaddr(netdev, &addr);
}
/* set network interface device dns server */
{
#define DNS_ADDR_SIZE_MAX 16
char dns_server1[DNS_ADDR_SIZE_MAX] = {0}, dns_server2[DNS_ADDR_SIZE_MAX] = {0};
at_resp_set_info(resp, M26_DNS_RESP_SIZE, 0, M26_INFO_RESP_TIMO);
/* send "AT+QIDNSCFG?" commond to get DNS servers address */
if (at_obj_exec_cmd(client, resp, "AT+QIDNSCFG?") < 0)
{
result = -RT_ERROR;
goto __exit;
}
if (at_resp_parse_line_args_by_kw(resp, "PrimaryDns:", "PrimaryDns:%s", dns_server1) <= 0 ||
at_resp_parse_line_args_by_kw(resp, "SecondaryDns:", "SecondaryDns:%s", dns_server2) <= 0)
{
LOG_E("Prase \"AT+QIDNSCFG?\" commands resposne data error!");
result = -RT_ERROR;
goto __exit;
}
LOG_D("m26 device(%s) primary DNS server address: %s", device->name, dns_server1);
LOG_D("m26 device(%s) secondary DNS server address: %s", device->name, dns_server2);
inet_aton(dns_server1, &addr);
netdev_low_level_set_dns_server(netdev, 0, &addr);
inet_aton(dns_server2, &addr);
netdev_low_level_set_dns_server(netdev, 1, &addr);
}
__exit:
if (resp)
{
at_delete_resp(resp);
}
return result;
}
static void check_link_status_entry(void *parameter)
{
#define M26_LINK_STATUS_OK 0
#define M26_LINK_RESP_SIZE 64
#define M26_LINK_RESP_TIMO (3 * RT_TICK_PER_SECOND)
#define M26_LINK_DELAY_TIME (30 * RT_TICK_PER_SECOND)
struct netdev *netdev = (struct netdev *)parameter;
struct at_device *device = RT_NULL;
at_response_t resp = RT_NULL;
int link_status;
device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name);
if (device == RT_NULL)
{
LOG_E("get m26 deivce by netdev name failed.", netdev->name);
return;
}
resp = at_create_resp(M26_LINK_RESP_SIZE, 0, M26_LINK_RESP_TIMO);
if (resp == RT_NULL)
{
LOG_E("no memory for m26 device(%s) response object.", netdev->name);
return;
}
while (1)
{
/* send "AT+QNSTATUS" commond to check netweork interface device link status */
if (at_obj_exec_cmd(device->client, resp, "AT+QNSTATUS") < 0)
{
rt_thread_mdelay(M26_LINK_DELAY_TIME);
continue;
}
link_status = -1;
at_resp_parse_line_args_by_kw(resp, "+QNSTATUS:", "+QNSTATUS: %d", &link_status);
/* check the network interface device link status */
if ((M26_LINK_STATUS_OK == link_status) != netdev_is_link_up(netdev))
{
netdev_low_level_set_link_status(netdev, (M26_LINK_STATUS_OK == link_status));
}
rt_thread_mdelay(M26_LINK_DELAY_TIME);
}
}
static int m26_netdev_check_link_status(struct netdev *netdev)
{
#define M26_LINK_THREAD_TICK 20
#define M26_LINK_THREAD_STACK_SIZE (1024 + 512)
#define M26_LINK_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX - 2)
rt_thread_t tid;
char tname[RT_NAME_MAX] = {0};
if (netdev == RT_NULL)
{
LOG_E("input network interface device is NULL.");
return -RT_ERROR;
}
rt_snprintf(tname, RT_NAME_MAX, "%s_link", netdev->name);
tid = rt_thread_create(tname, check_link_status_entry, (void *)netdev,
M26_LINK_THREAD_STACK_SIZE, M26_LINK_THREAD_PRIORITY, M26_LINK_THREAD_TICK);
if (tid)
{
rt_thread_startup(tid);
}
return RT_EOK;
}
static int m26_net_init(struct at_device *device);
static int m26_netdev_set_up(struct netdev *netdev)
{
struct at_device *device = RT_NULL;
device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name);
if (device == RT_NULL)
{
LOG_E("get m26 device by netdev name(%s) failed.", netdev->name);
return -RT_ERROR;
}
if (device->is_init == RT_FALSE)
{
m26_net_init(device);
device->is_init = RT_TRUE;
netdev_low_level_set_status(netdev, RT_TRUE);
LOG_D("the network interface device(%s) set up status.", netdev->name);
}
return RT_EOK;
}
static int m26_netdev_set_down(struct netdev *netdev)
{
struct at_device *device = RT_NULL;
device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name);
if (device == RT_NULL)
{
LOG_E("get m26 device by netdev name(%s) failed.", netdev->name);
return -RT_ERROR;
}
if (device->is_init == RT_TRUE)
{
m26_power_off(device);
device->is_init = RT_FALSE;
netdev_low_level_set_status(netdev, RT_FALSE);
LOG_D("the network interface device(%s) set down status.", netdev->name);
}
return RT_EOK;
}
static int m26_netdev_set_dns_server(struct netdev *netdev, uint8_t dns_num, ip_addr_t *dns_server)
{
#define M26_DNS_RESP_LEN 8
#define M26_DNS_RESP_TIMEO rt_tick_from_millisecond(300)
int result = RT_EOK;
at_response_t resp = RT_NULL;
struct at_device *device = RT_NULL;
RT_ASSERT(netdev);
RT_ASSERT(dns_server);
device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name);
if (device == RT_NULL)
{
LOG_E("get m26 deivce by netdev name failed.", netdev->name);
return - RT_ERROR;
}
resp = at_create_resp(M26_DNS_RESP_LEN, 0, M26_DNS_RESP_TIMEO);
if (resp == RT_NULL)
{
LOG_E("no memory for m26 device(%s) response object.", netdev->name);
return -RT_ENOMEM;
}
/* send "AT+QIDNSCFG=<pri_dns>[,<sec_dns>]" commond to set dns servers */
if (at_exec_cmd(resp, "AT+QIDNSCFG=\"%s\"", inet_ntoa(*dns_server)) < 0)
{
result = -RT_ERROR;
goto __exit;
}
netdev_low_level_set_dns_server(netdev, dns_num, dns_server);
__exit:
if (resp)
{
at_delete_resp(resp);
}
return result;
}
#ifdef NETDEV_USING_PING
static int m26_netdev_ping(struct netdev *netdev, const char *host,
size_t data_len, uint32_t timeout, struct netdev_ping_resp *ping_resp)
{
#define M26_PING_RESP_SIZE 128
#define M26_PING_IP_SIZE 16
#define M26_PING_TIMEO (5 * RT_TICK_PER_SECOND)
int result = RT_EOK;
at_response_t resp = RT_NULL;
char ip_addr[M26_PING_IP_SIZE] = {0};
int response, recv_data_len, time, ttl;
struct at_device *device = RT_NULL;
RT_ASSERT(netdev);
RT_ASSERT(host);
RT_ASSERT(ping_resp);
device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name);
if (device == RT_NULL)
{
LOG_E("get m26 deivce by netdev name failed.", netdev->name);
return - RT_ERROR;
}
resp = at_create_resp(M26_PING_RESP_SIZE, 5, M26_PING_TIMEO);
if (resp == RT_NULL)
{
LOG_E("no memory for m26 device(%s) response object.", netdev->name);
return -RT_ENOMEM;
}
/* send "AT+QPING="<host>"[,[<timeout>][,<pingnum>]]" commond to send ping request */
if (at_obj_exec_cmd(device->client, resp, "AT+QPING=\"%s\",%d,1", host, M26_PING_TIMEO / RT_TICK_PER_SECOND) < 0)
{
result = -RT_ERROR;
goto __exit;
}
at_resp_parse_line_args_by_kw(resp, "+QPING:","+QPING:%d", &response);
/* Received the ping response from the server */
if (response == 0)
{
if (at_resp_parse_line_args_by_kw(resp, "+QPING:", "+QPING:%d,%[^,],%d,%d,%d",
&response, ip_addr, &recv_data_len, &time, &ttl) <= 0)
{
result = -RT_ERROR;
goto __exit;
}
}
/* prase response number */
switch (response)
{
case 0:
inet_aton(ip_addr, &(ping_resp->ip_addr));
ping_resp->data_len = recv_data_len;
ping_resp->ticks = time;
ping_resp->ttl = ttl;
result = RT_EOK;
break;
case 1:
result = -RT_ETIMEOUT;
break;
default:
result = -RT_ERROR;
break;
}
__exit:
if (resp)
{
at_delete_resp(resp);
}
return result;
}
#endif /* NETDEV_USING_PING */
#ifdef NETDEV_USING_NETSTAT
static void m26_netdev_netstat(struct netdev *netdev)
{
// TODO netstat support
}
#endif /* NETDEV_USING_NETSTAT */
const struct netdev_ops m26_netdev_ops =
{
m26_netdev_set_up,
m26_netdev_set_down,
RT_NULL, /* not support set ip, netmask, gatway address */
m26_netdev_set_dns_server,
RT_NULL, /* not support set DHCP status */
#ifdef NETDEV_USING_PING
m26_netdev_ping,
#endif
#ifdef NETDEV_USING_NETSTAT
m26_netdev_netstat,
#endif
};
static struct netdev *m26_netdev_add(const char *netdev_name)
{
#define M26_NETDEV_MTU 1500
struct netdev *netdev = RT_NULL;
RT_ASSERT(netdev_name);
netdev = (struct netdev *) rt_calloc(1, sizeof(struct netdev));
if (netdev == RT_NULL)
{
LOG_E("no memory for m26 device(%s) netdev structure.", netdev_name);
return RT_NULL;
}
netdev->mtu = M26_NETDEV_MTU;
netdev->ops = &m26_netdev_ops;
#ifdef SAL_USING_AT
extern int sal_at_netdev_set_pf_info(struct netdev *netdev);
/* set the network interface socket/netdb operations */
sal_at_netdev_set_pf_info(netdev);
#endif
netdev_register(netdev, netdev_name, RT_NULL);
return netdev;
}
/* ============================= m26 device operations ============================= */
#define AT_SEND_CMD(client, resp, resp_line, timeout, cmd) \
do { \
(resp) = at_resp_set_info((resp), 128, (resp_line), rt_tick_from_millisecond(timeout)); \
if (at_obj_exec_cmd((client),(resp), (cmd)) < 0) \
{ \
result = -RT_ERROR; \
goto __exit; \
} \
} while(0); \
/* init for m26 or mc20 */
static void m26_init_thread_entry(void *parameter)
{
#define INIT_RETRY 5
#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, qimode;
int retry_num = INIT_RETRY;
char parsed_data[10];
rt_err_t result = RT_EOK;
struct at_device *device = (struct at_device *)parameter;
struct at_client *client = device->client;
resp = at_create_resp(128, 0, rt_tick_from_millisecond(300));
if (resp == RT_NULL)
{
LOG_E("no memory for m26 device(%s) response structure.", device->name);
return;
}
LOG_D("start initializing the m26/mc20 device(%s)", device->name);
while (retry_num--)
{
/* power on the m26 device */
m26_power_on(device);
rt_thread_mdelay(1000);
/* wait m26|mc20 startup finish */
if (at_client_obj_wait_connect(client, M26_WAIT_CONNECT_TIME))
{
result = -RT_ETIMEOUT;
goto __exit;
}
/* disable echo */
AT_SEND_CMD(client, resp, 0, 300, "ATE0");
/* get module version */
AT_SEND_CMD(client, 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_SEND_CMD(client, resp, 2, 5 * RT_TICK_PER_SECOND, "AT+CPIN?");
if (at_resp_get_line_by_kw(resp, "READY"))
{
LOG_D("m26 device(%s) SIM card detection success.", device->name);
break;
}
rt_thread_mdelay(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_mdelay(10);
/* check signal strength */
for (i = 0; i < CSQ_RETRY; i++)
{
AT_SEND_CMD(client, resp, 0, 300, "AT+CSQ");
at_resp_parse_line_args_by_kw(resp, "+CSQ:", "+CSQ: %s", &parsed_data);
if (rt_strncmp(parsed_data, "99,99", sizeof(parsed_data)))
{
LOG_D("m26 device(%s) signal strength: %s", device->name, parsed_data);
break;
}
rt_thread_mdelay(1000);
}
if (i == CSQ_RETRY)
{
LOG_E("m26 device(%s) signal strength check failed(%s).", device->name, parsed_data);
result = -RT_ERROR;
goto __exit;
}
/* check the GSM network is registered */
for (i = 0; i < CREG_RETRY; i++)
{
AT_SEND_CMD(client, resp, 0, 300, "AT+CREG?");
at_resp_parse_line_args_by_kw(resp, "+CREG:", "+CREG: %s", &parsed_data);
if (!rt_strncmp(parsed_data, "0,1", sizeof(parsed_data)) ||
!rt_strncmp(parsed_data, "0,5", sizeof(parsed_data)))
{
LOG_D("m26 device(%s) GSM network is registered(%s).", device->name, parsed_data);
break;
}
rt_thread_mdelay(1000);
}
if (i == CREG_RETRY)
{
LOG_E("m26 device(%s) GSM network is register failed(%s)", device->name, parsed_data);
result = -RT_ERROR;
goto __exit;
}
/* check the GPRS network is registered */
for (i = 0; i < CGREG_RETRY; i++)
{
AT_SEND_CMD(client, resp, 0, 300, "AT+CGREG?");
at_resp_parse_line_args_by_kw(resp, "+CGREG:", "+CGREG: %s", &parsed_data);
if (!rt_strncmp(parsed_data, "0,1", sizeof(parsed_data)) ||
!rt_strncmp(parsed_data, "0,5", sizeof(parsed_data)))
{
LOG_D("m26 device(%s) GPRS network is registered(%s).", device->name, parsed_data);
break;
}
rt_thread_mdelay(1000);
}
if (i == CGREG_RETRY)
{
LOG_E("m26 device(%s) GPRS network is register failed(%s).", device->name, parsed_data);
result = -RT_ERROR;
goto __exit;
}
AT_SEND_CMD(client, resp, 0, 300, "AT+QIFGCNT=0");
AT_SEND_CMD(client, resp, 0, 300, "AT+QICSGP=1, \"CMNET\"");
AT_SEND_CMD(client, resp, 0, 300, "AT+QIMODE?");
at_resp_parse_line_args_by_kw(resp, "+QIMODE:", "+QIMODE: %d", &qimode);
if (qimode == 1)
{
AT_SEND_CMD(client, resp, 0, 300, "AT+QIMODE=0");
}
/* the device default response timeout is 40 seconds, but it set to 15 seconds is convenient to use. */
AT_SEND_CMD(client, resp, 2, 20 * 1000, "AT+QIDEACT");
/* Set to multiple connections */
AT_SEND_CMD(client, resp, 0, 300, "AT+QIMUX?");
at_resp_parse_line_args_by_kw(resp, "+QIMUX:", "+QIMUX: %d", &qimux);
if (qimux == 0)
{
AT_SEND_CMD(client, resp, 0, 300, "AT+QIMUX=1");
}
AT_SEND_CMD(client, resp, 0, 300, "AT+QIREGAPP");
/* the device default response timeout is 150 seconds, but it set to 20 seconds is convenient to use. */
AT_SEND_CMD(client, resp, 0, 20 * 1000, "AT+QIACT");
AT_SEND_CMD(client, resp, 2, 300, "AT+QILOCIP");
result = RT_EOK;
__exit:
if (result == RT_EOK)
{
break;
}
else
{
/* power off the m26 device */
m26_power_off(device);
rt_thread_mdelay(1000);
LOG_I("m26 device(%s) initialize retry...", device->name);
}
}
if (resp)
{
at_delete_resp(resp);
}
if (result == RT_EOK)
{
m26_netdev_set_info(device->netdev);
m26_netdev_check_link_status(device->netdev);
LOG_I("m26 device(%s) network initialize successfully.", device->name);
}
else
{
LOG_E("m26 device(%s) network initialize failed(%d).", device->name, result);
}
}
static int m26_net_init(struct at_device *device)
{
#ifdef AT_DEVICE_M26_INIT_ASYN
rt_thread_t tid;
tid = rt_thread_create("m26_net_init", m26_init_thread_entry, (void *)device,
M26_THREAD_STACK_SIZE, M26_THREAD_PRIORITY, 20);
if (tid)
{
rt_thread_startup(tid);
}
else
{
LOG_E("create m26 device(%s) initialization thread failed.", device->name);
return -RT_ERROR;
}
#else
m26_init_thread_entry(device);
#endif /* AT_DEVICE_M26_INIT_ASYN */
return RT_EOK;
}
static void urc_func(struct at_client *client, const char *data, rt_size_t size)
{
RT_ASSERT(data);
LOG_I("URC data : %.*s", size, data);
}
static const struct at_urc urc_table[] = {
{"RING", "\r\n", urc_func},
{"Call Ready", "\r\n", urc_func},
{"RDY", "\r\n", urc_func},
{"NO CARRIER", "\r\n", urc_func},
};
static int m26_init(struct at_device *device)
{
struct at_device_m26 *m26 = (struct at_device_m26 *) device->user_data;
/* initialize AT client */
at_client_init(m26->client_name, m26->recv_line_num);
device->client = at_client_get(m26->client_name);
if (device->client == RT_NULL)
{
LOG_E("m26 device(%s) initialize failed, get AT client(%s) failed.", m26->device_name, m26->client_name);
return -RT_ERROR;
}
/* register URC data execution function */
at_obj_set_urc_table(device->client, urc_table, sizeof(urc_table) / sizeof(urc_table[0]));
#ifdef AT_USING_SOCKET
m26_socket_init(device);
#endif
/* add m26 netdev to the netdev list */
device->netdev = m26_netdev_add(m26->device_name);
if (device->netdev == RT_NULL)
{
LOG_E("m26 device(%s) initialize failed, get network interface device failed.", m26->device_name);
return -RT_ERROR;
}
/* initialize m26 pin configuration */
if (m26->power_pin != -1 && m26->power_status_pin != -1)
{
rt_pin_mode(m26->power_pin, PIN_MODE_OUTPUT);
rt_pin_mode(m26->power_status_pin, PIN_MODE_INPUT);
}
/* initialize m26 device network */
return m26_netdev_set_up(device->netdev);
}
static int m26_deinit(struct at_device *device)
{
return m26_netdev_set_down(device->netdev);
}
static int m26_control(struct at_device *device, int cmd, void *arg)
{
int result = -RT_ERROR;
RT_ASSERT(device);
switch (cmd)
{
case AT_DEVICE_CTRL_POWER_ON:
case AT_DEVICE_CTRL_POWER_OFF:
case AT_DEVICE_CTRL_RESET:
case AT_DEVICE_CTRL_LOW_POWER:
case AT_DEVICE_CTRL_SLEEP:
case AT_DEVICE_CTRL_WAKEUP:
case AT_DEVICE_CTRL_NET_CONN:
case AT_DEVICE_CTRL_NET_DISCONN:
case AT_DEVICE_CTRL_SET_WIFI_INFO:
case AT_DEVICE_CTRL_GET_SIGNAL:
case AT_DEVICE_CTRL_GET_GPS:
case AT_DEVICE_CTRL_GET_VER:
LOG_W("m26 not support the control command(%d).", cmd);
break;
default:
LOG_E("input error control command(%d).", cmd);
break;
}
return result;
}
static const struct at_device_ops m26_device_ops =
{
m26_init,
m26_deinit,
m26_control,
};
static int m26_device_class_register(void)
{
struct at_device_class *class = RT_NULL;
class = (struct at_device_class *) rt_calloc(1, sizeof(struct at_device_class));
if (class == RT_NULL)
{
LOG_E("no memory for m26 device class create.");
return -RT_ENOMEM;
}
/* fill m26 device class object */
#ifdef AT_USING_SOCKET
m26_socket_class_register(class);
#endif
class->device_ops = &m26_device_ops;
return at_device_class_register(class, AT_DEVICE_CLASS_M26_MC20);
}
INIT_DEVICE_EXPORT(m26_device_class_register);
#endif /* AT_DEVICE_USING_M26 */
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