399 lines
11 KiB
C
399 lines
11 KiB
C
/*
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* File : at_socket_rw007.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2018-06-20 chenyong first version
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* 2019-05-12 chenyong multi AT socket client support
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*/
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#include <stdio.h>
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#include <string.h>
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#include <at_device_rw007.h>
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#define LOG_TAG "at.dev.rw007"
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#include <at_log.h>
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#ifdef AT_DEVICE_USING_RW007
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#define RW007_WAIT_CONNECT_TIME 5000
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#define RW007_THREAD_STACK_SIZE 2048
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#define RW007_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX / 2)
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/* ============================= rw007 network interface operations ============================= */
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static struct netdev *rw007_netdev_add(const char *netdev_name)
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{
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#define ETHERNET_MTU 1500
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#define HWADDR_LEN 6
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struct netdev *netdev = RT_NULL;
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RT_ASSERT(netdev_name);
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netdev = (struct netdev *)rt_calloc(1, sizeof(struct netdev));
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if (netdev == RT_NULL)
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{
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return RT_NULL;
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}
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/* TODO: improve netdev adaptation */
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netdev->mtu = ETHERNET_MTU;
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netdev->hwaddr_len = HWADDR_LEN;
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netdev->ops = RT_NULL;
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#ifdef SAL_USING_AT
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extern int sal_at_netdev_set_pf_info(struct netdev *netdev);
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/* set the network interface socket/netdb operations */
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sal_at_netdev_set_pf_info(netdev);
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#endif
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netdev_register(netdev, netdev_name, RT_NULL);
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/*TODO: improve netdev adaptation */
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netdev_low_level_set_status(netdev, RT_TRUE);
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netdev_low_level_set_link_status(netdev, RT_TRUE);
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netdev_low_level_set_dhcp_status(netdev, RT_TRUE);
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netdev->flags |= NETDEV_FLAG_INTERNET_UP;
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return netdev;
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}
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/* ============================= rw007 device operations ============================= */
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#define AT_SEND_CMD(client, resp, cmd) \
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do { \
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(resp) = at_resp_set_info((resp), 256, 0, 5 * RT_TICK_PER_SECOND); \
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if (at_obj_exec_cmd((client), (resp), (cmd)) < 0) \
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{ \
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result = -RT_ERROR; \
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goto __exit; \
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} \
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} while(0) \
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static void rw007_init_thread_entry(void *parameter)
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{
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#define INIT_RETRY 5
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struct at_device *device = (struct at_device *) parameter;
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struct at_device_rw007 *rw007 = (struct at_device_rw007 *) device->user_data;
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struct at_client *client = device->client;
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at_response_t resp = RT_NULL;
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rt_err_t result = RT_EOK;
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rt_size_t i = 0, retry_num = INIT_RETRY;
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/* wait rw007 device startup finish */
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if (at_client_obj_wait_connect(client, RW007_WAIT_CONNECT_TIME))
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{
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return;
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}
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resp = at_create_resp(128, 0, 5 * RT_TICK_PER_SECOND);
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if (resp == RT_NULL)
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{
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LOG_E("no memory for resp create.");
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return;
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}
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while (retry_num--)
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{
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/* reset module */
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AT_SEND_CMD(client, resp, "AT+RST");
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/* reset waiting delay */
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rt_thread_mdelay(1000);
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/* disable echo */
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AT_SEND_CMD(client, resp, "ATE0");
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/* set current mode to Wi-Fi station */
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AT_SEND_CMD(client, resp, "AT+CWMODE=1");
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/* get module version */
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AT_SEND_CMD(client, resp, "AT+GMR");
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/* show module version */
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for (i = 0; i < resp->line_counts - 1; i++)
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{
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LOG_D("%s", at_resp_get_line(resp, i + 1));
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}
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/* connect to WiFi AP */
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if (at_obj_exec_cmd(client, at_resp_set_info(resp, 128, 0, 20 * RT_TICK_PER_SECOND),
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"AT+CWJAP=\"%s\",\"%s\"", rw007->wifi_ssid, rw007->wifi_password) != RT_EOK)
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{
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LOG_E("%s device wifi connect failed, check ssid(%s) and password(%s).",
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device->name, rw007->wifi_ssid, rw007->wifi_password);
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result = -RT_ERROR;
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goto __exit;
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}
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AT_SEND_CMD(client, resp, "AT+CIPMUX=1");
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/* initialize successfully */
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result = RT_EOK;
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break;
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__exit:
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if (result != RT_EOK)
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{
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rt_thread_mdelay(1000);
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LOG_I("%s device initialize retry...", device->name);
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}
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}
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if (resp)
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{
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at_delete_resp(resp);
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}
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if (result != RT_EOK)
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{
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netdev_low_level_set_status(device->netdev, RT_FALSE);
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LOG_E("%s device network initialize failed(%d).", device->name, result);
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}
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else
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{
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netdev_low_level_set_status(device->netdev, RT_TRUE);
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LOG_I("%s device network initialize success.", device->name);
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}
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}
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int rw007_net_init(struct at_device *device)
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{
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#ifdef AT_DEVICE_RW007_INIT_ASYN
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rt_thread_t tid;
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tid = rt_thread_create("rw007_net", rw007_init_thread_entry,
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(void *)device, RW007_THREAD_STACK_SIZE, RW007_THREAD_PRIORITY, 20);
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if (tid)
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{
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rt_thread_startup(tid);
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}
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else
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{
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LOG_E("create %s device initialization thread failed.", device->name);
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return -RT_ERROR;
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}
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#else
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rw007_init_thread_entry(device);
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#endif /* AT_DEVICE_RW007_INIT_ASYN */
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return RT_EOK;
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}
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static void urc_busy_p_func(struct at_client *client, const char *data, rt_size_t size)
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{
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LOG_D("system is processing a commands...");
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}
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static void urc_busy_s_func(struct at_client *client, const char *data, rt_size_t size)
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{
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LOG_D("system is sending data...");
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}
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static void urc_func(struct at_client *client, const char *data, rt_size_t size)
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{
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struct at_device *device = RT_NULL;
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char *client_name = client->device->parent.name;
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RT_ASSERT(client && data && size);
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device = at_device_get_by_name(AT_DEVICE_NAMETYPE_CLIENT, client_name);
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if (device == RT_NULL)
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{
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LOG_E("get device(%s) failed.", client_name);
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return;
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}
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if (rt_strstr(data, "WIFI CONNECTED"))
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{
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LOG_I("%s device wifi is connected.", device->name);
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}
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else if (rt_strstr(data, "WIFI DISCONNECT"))
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{
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LOG_I("%s device wifi is disconnect.", device->name);
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}
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}
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static struct at_urc urc_table[] = {
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{"busy p", "\r\n", urc_busy_p_func},
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{"busy s", "\r\n", urc_busy_s_func},
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{"WIFI CONNECTED", "\r\n", urc_func},
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{"WIFI DISCONNECT", "\r\n", urc_func},
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};
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static int rw007_init(struct at_device *device)
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{
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struct at_device_rw007 *rw007 = (struct at_device_rw007 *) device->user_data;
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/* initialize AT client */
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at_client_init(rw007->client_name, rw007->recv_line_num);
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device->client = at_client_get(rw007->client_name);
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if (device->client == RT_NULL)
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{
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LOG_E("get AT client(%s) failed.", rw007->client_name);
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return -RT_ERROR;
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}
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/* register URC data execution function */
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at_obj_set_urc_table(device->client, urc_table, sizeof(urc_table) / sizeof(urc_table[0]));
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#ifdef AT_USING_SOCKET
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rw007_socket_init(device);
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#endif
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/* add rw007 device to the netdev list */
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device->netdev = rw007_netdev_add(rw007->device_name);
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if (device->netdev == RT_NULL)
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{
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LOG_E("get netdev(%s) failed.", rw007->device_name);
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return -RT_ERROR;
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}
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/* initialize rw007 device network */
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return rw007_net_init(device);
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}
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static int rw007_deinit(struct at_device *device)
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{
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// TODO add netdev operation
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device->is_init = RT_FALSE;
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return RT_EOK;
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}
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/* reset eap8266 device and initialize device network again */
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static int rw007_reset(struct at_device *device)
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{
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int result = RT_EOK;
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struct at_client *client = device->client;
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/* send "AT+RST" commonds to rw007 device */
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result = at_obj_exec_cmd(client, RT_NULL, "AT+RST");
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rt_thread_delay(1000);
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/* waiting 10 seconds for rw007 device reset */
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device->is_init = RT_FALSE;
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if (at_client_obj_wait_connect(client, RW007_WAIT_CONNECT_TIME))
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{
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return -RT_ETIMEOUT;
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}
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/* initialize rw007 device network */
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rw007_net_init(device);
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device->is_init = RT_TRUE;
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return result;
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}
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/* change eap8266 wifi ssid and password information */
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static int rw007_wifi_info_set(struct at_device *device, struct at_device_ssid_pwd *info)
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{
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int result = RT_EOK;
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struct at_response *resp = RT_NULL;
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if (info->ssid == RT_NULL || info->password == RT_NULL)
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{
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LOG_E("input wifi ssid(%s) and password(%s) error.", info->ssid, info->password);
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return -RT_ERROR;
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}
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resp = at_create_resp(128, 0, 20 * RT_TICK_PER_SECOND);
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if (resp == RT_NULL)
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{
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LOG_E("no memory for resp create.");
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return -RT_ENOMEM;
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}
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/* connect to input wifi ap */
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if (at_obj_exec_cmd(device->client, resp, "AT+CWJAP=\"%s\",\"%s\"", info->ssid, info->password) != RT_EOK)
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{
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LOG_E("%s device wifi connect failed, check ssid(%s) and password(%s).",
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device->name, info->ssid, info->password);
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result = -RT_ERROR;
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}
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if (resp)
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{
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at_delete_resp(resp);
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}
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return result;
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}
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static int rw007_control(struct at_device *device, int cmd, void *arg)
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{
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int result = -RT_ERROR;
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RT_ASSERT(device);
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switch (cmd)
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{
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case AT_DEVICE_CTRL_POWER_ON:
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case AT_DEVICE_CTRL_POWER_OFF:
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case AT_DEVICE_CTRL_LOW_POWER:
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case AT_DEVICE_CTRL_SLEEP:
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case AT_DEVICE_CTRL_WAKEUP:
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case AT_DEVICE_CTRL_NET_CONN:
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case AT_DEVICE_CTRL_NET_DISCONN:
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case AT_DEVICE_CTRL_GET_SIGNAL:
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case AT_DEVICE_CTRL_GET_GPS:
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case AT_DEVICE_CTRL_GET_VER:
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LOG_W("not support the control command(%d).", cmd);
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break;
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case AT_DEVICE_CTRL_RESET:
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result = rw007_reset(device);
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break;
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case AT_DEVICE_CTRL_SET_WIFI_INFO:
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result = rw007_wifi_info_set(device, (struct at_device_ssid_pwd *) arg);
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break;
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default:
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LOG_E("input error control command(%d).", cmd);
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break;
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}
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return result;
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}
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const struct at_device_ops rw007_device_ops =
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{
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rw007_init,
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rw007_deinit,
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rw007_control,
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};
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static int rw007_device_class_register(void)
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{
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struct at_device_class *class = RT_NULL;
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class = (struct at_device_class *) rt_calloc(1, sizeof(struct at_device_class));
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if (class == RT_NULL)
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{
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LOG_E("no memory for device class create.");
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return -RT_ENOMEM;
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}
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/* fill rw007 device class object */
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#ifdef AT_USING_SOCKET
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rw007_socket_class_register(class);
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#endif
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class->device_ops = &rw007_device_ops;
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return at_device_class_register(class, AT_DEVICE_CLASS_RW007);
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}
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INIT_DEVICE_EXPORT(rw007_device_class_register);
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#endif /* AT_DEVICE_USING_RW007 */
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