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at_device/class/ec200x/at_device_ec200x.c

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/*
* File : at_device_ec200x.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
* 2019-12-13 qiyongzhong first version
*/
#include <stdio.h>
#include <string.h>
#include <at_device_ec200x.h>
#define LOG_TAG "at.dev.ec200x"
#include <at_log.h>
#ifdef AT_DEVICE_USING_EC200X
#define EC200X_WAIT_CONNECT_TIME 10000
#define EC200X_THREAD_STACK_SIZE 2048
#define EC200X_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX/2)
static int ec200x_power_on(struct at_device *device)
{
struct at_device_ec200x *ec200x = RT_NULL;
ec200x = (struct at_device_ec200x *)device->user_data;
if (ec200x->power_pin == -1)//no power on pin
{
return(RT_EOK);
}
if (ec200x->power_status_pin != -1)//use power status pin
{
ec200x->power_status = rt_pin_read(ec200x->power_status_pin);//read power status
}
if (ec200x->power_status)//power is on
{
return(RT_EOK);
}
rt_pin_write(ec200x->power_pin, PIN_HIGH);
if (ec200x->power_status_pin != -1)//use power status pin
{
while (rt_pin_read(ec200x->power_status_pin) == PIN_LOW)
{
rt_thread_mdelay(10);
}
}
rt_thread_mdelay(500);
rt_pin_write(ec200x->power_pin, PIN_LOW);
ec200x->power_status = RT_TRUE;
return(RT_EOK);
}
static int ec200x_power_off(struct at_device *device)
{
struct at_device_ec200x *ec200x = RT_NULL;
ec200x = (struct at_device_ec200x *)device->user_data;
if (ec200x->power_pin == -1)//no power on pin
{
return(RT_EOK);
}
if (ec200x->power_status_pin != -1)//use power status pin
{
ec200x->power_status = rt_pin_read(ec200x->power_status_pin);//read power status
}
if ( ! ec200x->power_status)//power is off
{
return(RT_EOK);
}
if (ec200x->power_status_pin != -1)//use power status pin
{
rt_pin_write(ec200x->power_pin, PIN_HIGH);
rt_thread_mdelay(1000);
rt_pin_write(ec200x->power_pin, PIN_LOW);
while (rt_pin_read(ec200x->power_status_pin) == PIN_HIGH)//wait power down
{
rt_thread_mdelay(100);
}
}
else
{
at_obj_exec_cmd(device->client, RT_NULL, "AT+QPOWD=0");
rt_thread_mdelay(5*1000);
}
ec200x->power_status = RT_FALSE;
return(RT_EOK);
}
static int ec200x_sleep(struct at_device *device)
{
at_response_t resp = RT_NULL;
struct at_device_ec200x *ec200x = RT_NULL;
ec200x = (struct at_device_ec200x *)device->user_data;
if ( ! ec200x->power_status)//power off
{
return(RT_EOK);
}
if (ec200x->sleep_status)//is sleep status
{
return(RT_EOK);
}
if (ec200x->wakeup_pin == -1)//use wakeup pin
{
LOG_E("no config wakeup pin, can not entry into sleep mode.");
return(-RT_ERROR);
}
/*
resp = at_create_resp(64, 0, rt_tick_from_millisecond(300));
if (resp == RT_NULL)
{
LOG_D("no memory for resp create.");
return(-RT_ERROR);
}
if (at_obj_exec_cmd(device->client, resp, "AT+QSCLK=1") != RT_EOK)//enable sleep mode
{
LOG_D("enable sleep fail.\"AT+QSCLK=1\" execute fail.");
at_delete_resp(resp);
return(-RT_ERROR);
}
at_delete_resp(resp);
*/
rt_pin_write(ec200x->wakeup_pin, PIN_HIGH);
ec200x->sleep_status = RT_TRUE;
return(RT_EOK);
}
static int ec200x_wakeup(struct at_device *device)
{
at_response_t resp = RT_NULL;
struct at_device_ec200x *ec200x = RT_NULL;
ec200x = (struct at_device_ec200x *)device->user_data;
if ( ! ec200x->power_status)//power off
{
LOG_E("the power is off and the wake-up cannot be performed");
return(-RT_ERROR);
}
if ( ! ec200x->sleep_status)//no sleep status
{
return(RT_EOK);
}
rt_pin_write(ec200x->wakeup_pin, PIN_LOW);
rt_thread_mdelay(200);
/*
resp = at_create_resp(64, 0, rt_tick_from_millisecond(300));
if (resp == RT_NULL)
{
LOG_D("no memory for resp create.");
return(-RT_ERROR);
}
if (at_obj_exec_cmd(device->client, resp, "AT+QSCLK=0") != RT_EOK)//disable sleep mode
{
LOG_D("wake up fail. \"AT+QSCLK=0\" execute fail.");
at_delete_resp(resp);
return(-RT_ERROR);
}
at_delete_resp(resp);
*/
ec200x->sleep_status = RT_FALSE;
return(RT_EOK);
}
static int ec200x_check_link_status(struct at_device *device)
{
at_response_t resp = RT_NULL;
struct at_device_ec200x *ec200x = RT_NULL;
int result = -RT_ERROR;
ec200x = (struct at_device_ec200x *)device->user_data;
if ( ! ec200x->power_status)//power off
{
LOG_D("the power is off.");
return(-RT_ERROR);
}
if (ec200x->sleep_status)//is sleep status
{
rt_pin_write(ec200x->wakeup_pin, PIN_LOW);
rt_thread_mdelay(200);
}
resp = at_create_resp(64, 0, rt_tick_from_millisecond(300));
if (resp == RT_NULL)
{
LOG_D("no memory for resp create.");
return(-RT_ERROR);
}
result = -RT_ERROR;
if (at_obj_exec_cmd(device->client, resp, "AT+CGREG?") == RT_EOK)
{
int link_stat = 0;
if (at_resp_parse_line_args_by_kw(resp, "+CGREG:", "+CGREG: %*d,%d", &link_stat) > 0)
{
if (link_stat == 1 || link_stat == 5)
{
result = RT_EOK;
}
}
}
at_delete_resp(resp);
if (ec200x->sleep_status)//is sleep status
{
rt_pin_write(ec200x->wakeup_pin, PIN_HIGH);
}
return(result);
}
/* ============================= ec200x network interface operations ============================= */
/* set ec200x network interface device status and address information */
static int ec200x_netdev_set_info(struct netdev *netdev)
{
#define EC200X_INFO_RESP_SIZE 128
#define EC200X_INFO_RESP_TIMO rt_tick_from_millisecond(1000)
int result = RT_EOK;
ip_addr_t addr;
at_response_t resp = RT_NULL;
struct at_device *device = RT_NULL;
RT_ASSERT(netdev);
device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name);
if (device == RT_NULL)
{
LOG_E("get device(%s) failed.", netdev->name);
return -RT_ERROR;
}
/* set network interface device status */
netdev_low_level_set_status(netdev, RT_TRUE);
netdev_low_level_set_link_status(netdev, RT_TRUE);
netdev_low_level_set_dhcp_status(netdev, RT_TRUE);
resp = at_create_resp(EC200X_INFO_RESP_SIZE, 0, EC200X_INFO_RESP_TIMO);
if (resp == RT_NULL)
{
LOG_E("no memory for resp create.");
result = -RT_ENOMEM;
goto __exit;
}
/* set network interface device hardware address(IMEI) */
{
#define EC200X_NETDEV_HWADDR_LEN 8
#define EC200X_IMEI_LEN 15
char imei[EC200X_IMEI_LEN] = {0};
int i = 0, j = 0;
/* send "AT+GSN" commond to get device IMEI */
if (at_obj_exec_cmd(device->client, resp, "AT+GSN") != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
if (at_resp_parse_line_args(resp, 2, "%s", imei) <= 0)
{
LOG_E("%s device prase \"AT+GSN\" cmd error.", device->name);
result = -RT_ERROR;
goto __exit;
}
LOG_D("%s device IMEI number: %s", device->name, imei);
netdev->hwaddr_len = EC200X_NETDEV_HWADDR_LEN;
/* get hardware address by IMEI */
for (i = 0, j = 0; i < EC200X_NETDEV_HWADDR_LEN && j < EC200X_IMEI_LEN; i++, j+=2)
{
if (j != EC200X_IMEI_LEN - 1)
{
netdev->hwaddr[i] = (imei[j] - '0') * 10 + (imei[j + 1] - '0');
}
else
{
netdev->hwaddr[i] = (imei[j] - '0');
}
}
}
/* set network interface device IP address */
{
#define IP_ADDR_SIZE_MAX 16
char ipaddr[IP_ADDR_SIZE_MAX] = {0};
/* send "AT+CGPADDR=1" commond to get IP address */
if (at_obj_exec_cmd(device->client, resp, "AT+CGPADDR=1") != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
/* parse response data "+CGPADDR: 1,<IP_address>" */
if (at_resp_parse_line_args_by_kw(resp, "+CGPADDR:", "+CGPADDR: %*[^\"]\"%[^\"]", ipaddr) <= 0)
{
LOG_E("%s device \"AT+CGPADDR=1\" cmd error.", device->name);
result = -RT_ERROR;
goto __exit;
}
LOG_D("%s device 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};
/* send "AT+QIDNSCFG=1" commond to get DNS servers address */
if (at_obj_exec_cmd(device->client, resp, "AT+QIDNSCFG=1") != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
/* parse response data "+QIDNSCFG: <contextID>,<pridnsaddr>,<secdnsaddr>" */
if (at_resp_parse_line_args_by_kw(resp, "+QIDNSCFG:", "+QIDNSCFG: 1,\"%[^\"]\",\"%[^\"]\"",
dns_server1, dns_server2) <= 0)
{
LOG_E("%s device prase \"AT+QIDNSCFG=1\" cmd error.", device->name);
result = -RT_ERROR;
goto __exit;
}
LOG_D("%s device primary DNS server address: %s", device->name, dns_server1);
LOG_D("%s device 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 ec200x_check_link_status_entry(void *parameter)
{
#define EC200X_LINK_DELAY_TIME (60 * RT_TICK_PER_SECOND)
rt_bool_t is_link_up;
struct at_device *device = RT_NULL;
struct netdev *netdev = (struct netdev *) parameter;
device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name);
if (device == RT_NULL)
{
LOG_E("get device(%s) failed.", netdev->name);
return;
}
while (1)
{
rt_thread_delay(EC200X_LINK_DELAY_TIME);
is_link_up = (ec200x_check_link_status(device) == RT_EOK);
netdev_low_level_set_link_status(netdev, is_link_up);
}
}
static int ec200x_netdev_check_link_status(struct netdev *netdev)
{
#define EC200X_LINK_THREAD_TICK 20
#define EC200X_LINK_THREAD_STACK_SIZE (1024 + 512)
#define EC200X_LINK_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX - 2)
rt_thread_t tid;
char tname[RT_NAME_MAX] = {0};
RT_ASSERT(netdev);
rt_snprintf(tname, RT_NAME_MAX, "%s", netdev->name);
/* create ec200x link status polling thread */
tid = rt_thread_create(tname, ec200x_check_link_status_entry, (void *)netdev,
EC200X_LINK_THREAD_STACK_SIZE, EC200X_LINK_THREAD_PRIORITY, EC200X_LINK_THREAD_TICK);
if (tid != RT_NULL)
{
rt_thread_startup(tid);
}
return RT_EOK;
}
static int ec200x_net_init(struct at_device *device);
static int ec200x_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 device(%s) failed.", netdev->name);
return -RT_ERROR;
}
if (device->is_init == RT_FALSE)
{
ec200x_net_init(device);
device->is_init = RT_TRUE;
netdev_low_level_set_status(netdev, RT_TRUE);
LOG_D("network interface device(%s) set up status.", netdev->name);
}
return RT_EOK;
}
static int ec200x_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 device(%s) failed.", netdev->name);
return -RT_ERROR;
}
if (device->is_init == RT_TRUE)
{
ec200x_power_off(device);
device->is_init = RT_FALSE;
netdev_low_level_set_status(netdev, RT_FALSE);
LOG_D("network interface device(%s) set down status.", netdev->name);
}
return RT_EOK;
}
static int ec200x_netdev_set_dns_server(struct netdev *netdev, uint8_t dns_num, ip_addr_t *dns_server)
{
#define EC200X_DNS_RESP_LEN 64
#define EC200X_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 device(%s) failed.", netdev->name);
return -RT_ERROR;
}
resp = at_create_resp(EC200X_DNS_RESP_LEN, 0, EC200X_DNS_RESP_TIMEO);
if (resp == RT_NULL)
{
LOG_D("no memory for resp create.");
result = -RT_ENOMEM;
goto __exit;
}
/* send "AT+QIDNSCFG=<pri_dns>[,<sec_dns>]" commond to set dns servers */
if (at_obj_exec_cmd(device->client, resp, "AT+QIDNSCFG=%d,%s",
dns_num, inet_ntoa(*dns_server)) != RT_EOK)
{
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 ec200x_netdev_ping(struct netdev *netdev, const char *host,
size_t data_len, uint32_t timeout, struct netdev_ping_resp *ping_resp)
{
#define EC200X_PING_RESP_SIZE 128
#define EC200X_PING_IP_SIZE 16
#define EC200X_PING_TIMEO (5 * RT_TICK_PER_SECOND)
rt_err_t result = RT_EOK;
int response = -1, recv_data_len, ping_time, ttl;
char ip_addr[EC200X_PING_IP_SIZE] = {0};
at_response_t resp = RT_NULL;
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 device(%s) failed.", netdev->name);
return -RT_ERROR;
}
resp = at_create_resp(EC200X_PING_RESP_SIZE, 4, EC200X_PING_TIMEO);
if (resp == RT_NULL)
{
LOG_E("no memory for resp create");
return -RT_ENOMEM;
}
/* send "AT+QPING=<contextID>"<host>"[,[<timeout>][,<pingnum>]]" commond to send ping request */
if (at_obj_exec_cmd(device->client, resp, "AT+QPING=1,%s,%d,1", host, timeout / 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, &ping_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 = ping_time;
ping_resp->ttl = ttl;
result = RT_EOK;
break;
case 569:
result = -RT_ETIMEOUT;
break;
default:
result = -RT_ERROR;
break;
}
__exit:
if (resp)
{
at_delete_resp(resp);
}
return result;
}
#endif /* NETDEV_USING_PING */
const struct netdev_ops ec200x_netdev_ops =
{
ec200x_netdev_set_up,
ec200x_netdev_set_down,
RT_NULL,
ec200x_netdev_set_dns_server,
RT_NULL,
#ifdef NETDEV_USING_PING
ec200x_netdev_ping,
#endif
RT_NULL,
};
static struct netdev *ec200x_netdev_add(const char *netdev_name)
{
#define ETHERNET_MTU 1500
#define HWADDR_LEN 8
struct netdev *netdev = RT_NULL;
netdev = netdev_get_by_name(netdev_name);
if(netdev != RT_NULL)
{
return netdev;
}
netdev = (struct netdev *)rt_calloc(1, sizeof(struct netdev));
if (netdev == RT_NULL)
{
LOG_E("no memory for netdev create.");
return RT_NULL;
}
netdev->mtu = ETHERNET_MTU;
netdev->ops = &ec200x_netdev_ops;
netdev->hwaddr_len = HWADDR_LEN;
#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;
}
/* ============================= ec200x device operations ============================= */
/* initialize for ec200x */
static void ec200x_init_thread_entry(void *parameter)
{
#define RESP_SIZE 128
#define INIT_RETRY 5
#define CPIN_RETRY 10
#define CSQ_RETRY 20
#define CGREG_RETRY 50
#define IPADDR_RETRY 10
int i;
int retry_num = INIT_RETRY;
rt_err_t result = RT_EOK;
at_response_t resp = RT_NULL;
struct at_device *device = (struct at_device *) parameter;
struct at_client *client = device->client;
resp = at_create_resp(RESP_SIZE, 0, rt_tick_from_millisecond(300));
if (resp == RT_NULL)
{
LOG_E("no memory for resp create.");
return;
}
LOG_D("start init %s device.", device->name);
while (retry_num--)
{
/* power on the ec200x device */
ec200x_power_on(device);
rt_thread_mdelay(1000);
/* wait ec200x startup finish, send AT every 500ms, if receive OK, SYNC success*/
if (at_client_obj_wait_connect(client, EC200X_WAIT_CONNECT_TIME))
{
result = -RT_ETIMEOUT;
goto __exit;
}
/* disable echo */
if (at_obj_exec_cmd(device->client, resp, "ATE0") != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
/* Get the baudrate */
if (at_obj_exec_cmd(device->client, resp, "AT+IPR?") != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
at_resp_parse_line_args_by_kw(resp, "+IPR:", "+IPR: %d", &i);
LOG_D("%s device baudrate %d", device->name, i);
/* get module version */
if (at_obj_exec_cmd(device->client, resp, "ATI") != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
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++)
{
rt_thread_mdelay(1000);
if (at_obj_exec_cmd(device->client, resp, "AT+CPIN?") == RT_EOK)
{
if (at_resp_get_line_by_kw(resp, "READY") != RT_NULL)
break;
}
}
if (i == CPIN_RETRY)
{
LOG_E("%s device SIM card detection failed.", device->name);
result = -RT_ERROR;
goto __exit;
}
/* check signal strength */
for (i = 0; i < CSQ_RETRY; i++)
{
rt_thread_mdelay(1000);
if (at_obj_exec_cmd(device->client, resp, "AT+CSQ") == RT_EOK)
{
int signal_strength = 0, err_rate = 0;
if (at_resp_parse_line_args_by_kw(resp, "+CSQ:", "+CSQ: %d,%d", &signal_strength, &err_rate) > 0)
{
if ((signal_strength != 99) && (signal_strength != 0))
{
LOG_D("%s device signal strength: %d, channel bit error rate: %d",
device->name, signal_strength, err_rate);
break;
}
}
}
}
if (i == CSQ_RETRY)
{
LOG_E("%s device signal strength check failed", device->name);
result = -RT_ERROR;
goto __exit;
}
/* check the GPRS network is registered */
for (i = 0; i < CGREG_RETRY; i++)
{
rt_thread_mdelay(1000);
if (at_obj_exec_cmd(device->client, resp, "AT+CGREG?") == RT_EOK)
{
int link_stat = 0;
if (at_resp_parse_line_args_by_kw(resp, "+CGREG:", "+CGREG: %*d,%d", &link_stat) > 0)
{
if ((link_stat == 1) || (link_stat == 5))
{
LOG_D("%s device GPRS is registered", device->name);
break;
}
}
}
}
if (i == CGREG_RETRY)
{
LOG_E("%s device GPRS is register failed", device->name);
result = -RT_ERROR;
goto __exit;
}
if (((struct at_device_ec200x *)(device->user_data))->wakeup_pin != -1)//use wakeup pin
{
if (at_obj_exec_cmd(device->client, resp, "AT+QSCLK=1") != RT_EOK)// enable sleep mode fail
{
result = -RT_ERROR;
goto __exit;
}
}
/* Close Echo the Data */
if (at_obj_exec_cmd(device->client, resp, "AT+QISDE=0") != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
/* Deactivate context profile */
resp = at_resp_set_info(resp, RESP_SIZE, 0, rt_tick_from_millisecond(40*1000));
if (at_obj_exec_cmd(device->client, resp, "AT+QIDEACT=1") != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
/* Activate context profile */
resp = at_resp_set_info(resp, RESP_SIZE, 0, rt_tick_from_millisecond(150*1000));
if (at_obj_exec_cmd(device->client, resp, "AT+QIACT=1") != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
/* initialize successfully */
result = RT_EOK;
break;
__exit:
if (result != RT_EOK)
{
/* power off the ec200x device */
ec200x_power_off(device);
rt_thread_mdelay(3000);
LOG_I("%s device initialize retry...", device->name);
}
}
if (resp)
{
at_delete_resp(resp);
}
if (result == RT_EOK)
{
/* set network interface device status and address information */
ec200x_netdev_set_info(device->netdev);
/* check and create link staus sync thread */
if (rt_thread_find(device->netdev->name) == RT_NULL)
{
ec200x_netdev_check_link_status(device->netdev);
}
LOG_I("%s device network initialize success.", device->name);
}
else
{
LOG_E("%s device network initialize failed(%d).", device->name, result);
}
}
/* ec200x device network initialize */
static int ec200x_net_init(struct at_device *device)
{
#ifdef AT_DEVICE_EC200X_INIT_ASYN
rt_thread_t tid;
tid = rt_thread_create("ec200x_net", ec200x_init_thread_entry, (void *)device,
EC200X_THREAD_STACK_SIZE, EC200X_THREAD_PRIORITY, 20);
if (tid)
{
rt_thread_startup(tid);
}
else
{
LOG_E("create %s device init thread failed.", device->name);
return -RT_ERROR;
}
#else
ec200x_init_thread_entry(device);
#endif /* AT_DEVICE_EC200X_INIT_ASYN */
return RT_EOK;
}
static int ec200x_init(struct at_device *device)
{
struct at_device_ec200x *ec200x = RT_NULL;
RT_ASSERT(device);
ec200x = (struct at_device_ec200x *) device->user_data;
ec200x->power_status = RT_FALSE;//default power is off.
ec200x->sleep_status = RT_FALSE;//default sleep is disabled.
/* initialize AT client */
at_client_init(ec200x->client_name, ec200x->recv_line_num);
device->client = at_client_get(ec200x->client_name);
if (device->client == RT_NULL)
{
LOG_E("get AT client(%s) failed.", ec200x->client_name);
return -RT_ERROR;
}
/* register URC data execution function */
#ifdef AT_USING_SOCKET
ec200x_socket_init(device);
#endif
/* add ec200x device to the netdev list */
device->netdev = ec200x_netdev_add(ec200x->device_name);
if (device->netdev == RT_NULL)
{
LOG_E("add netdev(%s) failed.", ec200x->device_name);
return -RT_ERROR;
}
/* initialize ec200x pin configuration */
if (ec200x->power_pin != -1)
{
rt_pin_write(ec200x->power_pin, PIN_LOW);
rt_pin_mode(ec200x->power_pin, PIN_MODE_OUTPUT);
}
if (ec200x->power_status_pin != -1)
{
rt_pin_mode(ec200x->power_status_pin, PIN_MODE_INPUT);
}
if (ec200x->wakeup_pin != -1)
{
rt_pin_write(ec200x->wakeup_pin, PIN_LOW);
rt_pin_mode(ec200x->wakeup_pin, PIN_MODE_OUTPUT);
}
/* initialize ec200x device network */
return ec200x_netdev_set_up(device->netdev);
}
static int ec200x_deinit(struct at_device *device)
{
RT_ASSERT(device);
return ec200x_netdev_set_down(device->netdev);
}
static int ec200x_control(struct at_device *device, int cmd, void *arg)
{
int result = -RT_ERROR;
RT_ASSERT(device);
switch (cmd)
{
case AT_DEVICE_CTRL_SLEEP:
result = ec200x_sleep(device);
break;
case AT_DEVICE_CTRL_WAKEUP:
result = ec200x_wakeup(device);
break;
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_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("not support the control command(%d).", cmd);
break;
default:
LOG_E("input error control command(%d).", cmd);
break;
}
return result;
}
const struct at_device_ops ec200x_device_ops =
{
ec200x_init,
ec200x_deinit,
ec200x_control,
};
static int ec200x_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 device class create.");
return -RT_ENOMEM;
}
/* fill ec200x device class object */
#ifdef AT_USING_SOCKET
ec200x_socket_class_register(class);
#endif
class->device_ops = &ec200x_device_ops;
return at_device_class_register(class, AT_DEVICE_CLASS_EC200X);
}
INIT_DEVICE_EXPORT(ec200x_device_class_register);
#endif /* AT_DEVICE_USING_EC200X */
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