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e40bb2ba8a5a2e1e88fefde86308e297c91022fd
player/Project/Src/rt-thread/components/drivers/wlan/wlan_mgnt.c

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2025-06-27 00:32:57 +08:00
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-08-06 tyx the first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <wlan_dev.h>
#include <wlan_cfg.h>
#include <wlan_mgnt.h>
#include <wlan_prot.h>
#include <wlan_workqueue.h>
#define DBG_ENABLE
#ifdef RT_WLAN_MGNT_DEBUG
#define DBG_LEVEL DBG_LOG
#else
#define DBG_LEVEL DBG_INFO
#endif
#define DBG_SECTION_NAME "WLAN.mgnt"
#define DBG_COLOR
#include <rtdbg.h>
#ifndef RT_WLAN_DEVICE
#define RT_WLAN_DEVICE(__device) ((struct rt_wlan_device *)__device)
#endif
#define RT_WLAN_LOG_D(_fmt, ...) LOG_D("L:%d "_fmt"", __LINE__, ##__VA_ARGS__)
#define RT_WLAN_LOG_I(...) LOG_I(__VA_ARGS__)
#define RT_WLAN_LOG_W(_fmt, ...) LOG_W("F:%s L:%d "_fmt"", __FUNCTION__, __LINE__, ##__VA_ARGS__)
#define RT_WLAN_LOG_E(_fmt, ...) LOG_E("F:%s L:%d "_fmt"", __FUNCTION__, __LINE__, ##__VA_ARGS__)
#define STA_DEVICE() (_sta_mgnt.device)
#define AP_DEVICE() (_ap_mgnt.device)
#define SRESULT_LOCK() (rt_mutex_take(&scan_result_mutex, RT_WAITING_FOREVER))
#define SRESULT_UNLOCK() (rt_mutex_release(&scan_result_mutex))
#define STAINFO_LOCK() (rt_mutex_take(&sta_info_mutex, RT_WAITING_FOREVER))
#define STAINFO_UNLOCK() (rt_mutex_release(&sta_info_mutex))
#define MGNT_LOCK() (rt_mutex_take(&mgnt_mutex, RT_WAITING_FOREVER))
#define MGNT_UNLOCK() (rt_mutex_release(&mgnt_mutex))
#define COMPLETE_LOCK() (rt_mutex_take(&complete_mutex, RT_WAITING_FOREVER))
#define COMPLETE_UNLOCK() (rt_mutex_release(&complete_mutex))
#define TIME_STOP() (rt_timer_stop(&reconnect_time))
#define TIME_START() (rt_timer_start(&reconnect_time))
#define DISCONNECT_RESPONSE_TICK (2000)
#if RT_WLAN_EBOX_NUM < 1
#error "event box num Too little"
#endif
struct rt_wlan_mgnt_des
{
struct rt_wlan_device *device;
struct rt_wlan_info info;
struct rt_wlan_key key;
rt_uint8_t state;
rt_uint8_t flags;
};
struct rt_wlan_event_desc
{
rt_wlan_event_handler handler;
void *parameter;
};
struct rt_wlan_sta_list
{
struct rt_wlan_sta_list *next;
struct rt_wlan_info info;
};
struct rt_wlan_sta_des
{
int num;
struct rt_wlan_sta_list *node;
};
struct rt_wlan_msg
{
rt_int32_t event;
rt_int32_t len;
void *buff;
};
struct rt_wlan_complete_des
{
struct rt_event complete;
rt_uint32_t event_flag;
int index;
};
static struct rt_mutex mgnt_mutex;
static struct rt_wlan_mgnt_des _sta_mgnt;
static struct rt_wlan_mgnt_des _ap_mgnt;
static struct rt_wlan_scan_result scan_result;
static struct rt_mutex scan_result_mutex;
static struct rt_wlan_sta_des sta_info;
static struct rt_mutex sta_info_mutex;
static struct rt_wlan_event_desc event_tab[RT_WLAN_EVT_MAX];
static struct rt_wlan_complete_des *complete_tab[5];
static struct rt_mutex complete_mutex;
static struct rt_timer reconnect_time;
rt_inline int _sta_is_null(void)
{
if (_sta_mgnt.device == RT_NULL)
{
return 1;
}
return 0;
}
rt_inline int _ap_is_null(void)
{
if (_ap_mgnt.device == RT_NULL)
{
return 1;
}
return 0;
}
rt_inline rt_bool_t _is_do_connect(void)
{
if ((rt_wlan_get_autoreconnect_mode() == RT_FALSE) ||
(rt_wlan_is_connected() == RT_TRUE) ||
(_sta_mgnt.state & RT_WLAN_STATE_CONNECTING))
{
return RT_FALSE;
}
return RT_TRUE;
}
static void rt_wlan_mgnt_work(void *parameter);
static rt_err_t rt_wlan_send_msg(rt_wlan_dev_event_t event, void *buff, int len)
{
struct rt_wlan_msg *msg;
RT_WLAN_LOG_D("F:%s is run event:%d", __FUNCTION__, event);
/* Event packing */
msg = rt_malloc(sizeof(struct rt_wlan_msg) + len);
if (msg == RT_NULL)
{
RT_WLAN_LOG_E("wlan mgnt send msg err! No memory");
return -RT_ENOMEM;
}
rt_memset(msg, 0, sizeof(struct rt_wlan_msg) + len);
msg->event = event;
if (len != 0)
{
msg->buff = ((char *)msg) + sizeof(struct rt_wlan_msg);
msg->len = len;
}
/* send event to wlan thread */
if (rt_wlan_workqueue_dowork(rt_wlan_mgnt_work, msg) != RT_EOK)
{
rt_free(msg);
RT_WLAN_LOG_E("wlan mgnt do work fail");
return -RT_ERROR;
}
return RT_EOK;
}
static rt_err_t rt_wlan_scan_result_cache(struct rt_wlan_info *info, int timeout)
{
struct rt_wlan_info *ptable;
rt_err_t err = RT_EOK;
int i, insert = -1;
if (_sta_is_null() || (info == RT_NULL)) return RT_EOK;
RT_WLAN_LOG_D("ssid:%s len:%d mac:%02x:%02x:%02x:%02x:%02x:%02x", info->ssid.val, info->ssid.len,
info->bssid[0], info->bssid[1], info->bssid[2], info->bssid[3], info->bssid[4], info->bssid[5]);
err = rt_mutex_take(&scan_result_mutex, rt_tick_from_millisecond(timeout));
if (err != RT_EOK)
return err;
/* de-duplicatio */
for (i = 0; i < scan_result.num; i++)
{
if ((info->ssid.len == scan_result.info[i].ssid.len) &&
(rt_memcmp(&info->bssid[0], &scan_result.info[i].bssid[0], RT_WLAN_BSSID_MAX_LENGTH) == 0))
{
rt_mutex_release(&scan_result_mutex);
return RT_EOK;
}
#ifdef RT_WLAN_SCAN_SORT
if (insert >= 0)
{
continue;
}
/* Signal intensity comparison */
if ((info->rssi < 0) && (scan_result.info[i].rssi < 0))
{
if (info->rssi > scan_result.info[i].rssi)
{
insert = i;
continue;
}
else if (info->rssi < scan_result.info[i].rssi)
{
continue;
}
}
/* Channel comparison */
if (info->channel < scan_result.info[i].channel)
{
insert = i;
continue;
}
else if (info->channel > scan_result.info[i].channel)
{
continue;
}
/* data rate comparison */
if ((info->datarate > scan_result.info[i].datarate))
{
insert = i;
continue;
}
else if (info->datarate < scan_result.info[i].datarate)
{
continue;
}
#endif
}
/* Insert the end */
if (insert == -1)
insert = scan_result.num;
if (scan_result.num >= RT_WLAN_SCAN_CACHE_NUM)
return RT_EOK;
/* malloc memory */
ptable = rt_malloc(sizeof(struct rt_wlan_info) * (scan_result.num + 1));
if (ptable == RT_NULL)
{
rt_mutex_release(&scan_result_mutex);
RT_WLAN_LOG_E("wlan info malloc failed!");
return -RT_ENOMEM;
}
scan_result.num ++;
/* copy info */
for (i = 0; i < scan_result.num; i++)
{
if (i < insert)
{
ptable[i] = scan_result.info[i];
}
else if (i > insert)
{
ptable[i] = scan_result.info[i - 1];
}
else if (i == insert)
{
ptable[i] = *info;
}
}
rt_free(scan_result.info);
scan_result.info = ptable;
rt_mutex_release(&scan_result_mutex);
return err;
}
static rt_err_t rt_wlan_sta_info_add(struct rt_wlan_info *info, int timeout)
{
struct rt_wlan_sta_list *sta_list;
rt_err_t err = RT_EOK;
if (_ap_is_null() || (info == RT_NULL)) return RT_EOK;
err = rt_mutex_take(&sta_info_mutex, rt_tick_from_millisecond(timeout));
if (err == RT_EOK)
{
/* malloc memory */
sta_list = rt_malloc(sizeof(struct rt_wlan_sta_list));
if (sta_list == RT_NULL)
{
rt_mutex_release(&sta_info_mutex);
RT_WLAN_LOG_E("sta list malloc failed!");
return -RT_ENOMEM;
}
sta_list->next = RT_NULL;
sta_list->info = *info;
/* Append sta info */
sta_list->next = sta_info.node;
sta_info.node = sta_list;
/* num++ */
sta_info.num ++;
rt_mutex_release(&sta_info_mutex);
RT_WLAN_LOG_I("sta associated mac:%02x:%02x:%02x:%02x:%02x:%02x",
info->bssid[0], info->bssid[1], info->bssid[2],
info->bssid[3], info->bssid[4], info->bssid[5]);
}
return err;
}
static rt_err_t rt_wlan_sta_info_del(struct rt_wlan_info *info, int timeout)
{
struct rt_wlan_sta_list *sta_list, *sta_prve;
rt_err_t err = RT_EOK;
if (_ap_is_null() || (info == RT_NULL)) return RT_EOK;
err = rt_mutex_take(&sta_info_mutex, rt_tick_from_millisecond(timeout));
if (err == RT_EOK)
{
/* traversing the list */
for (sta_list = sta_info.node, sta_prve = RT_NULL; sta_list != RT_NULL;
sta_prve = sta_list, sta_list = sta_list->next)
{
/* find mac addr */
if (rt_memcmp(&sta_list->info.bssid[0], &info->bssid[0], RT_WLAN_BSSID_MAX_LENGTH) == 0)
{
if (sta_prve == RT_NULL)
{
sta_info.node = sta_list->next;
}
else
{
sta_prve->next = sta_list->next;
}
sta_info.num --;
rt_free(sta_list);
break;
}
}
rt_mutex_release(&sta_info_mutex);
RT_WLAN_LOG_I("sta exit mac:%02x:%02x:%02x:%02x:%02x:%02x",
info->bssid[0], info->bssid[1], info->bssid[2],
info->bssid[3], info->bssid[4], info->bssid[5]);
}
return err;
}
static rt_err_t rt_wlan_sta_info_del_all(int timeout)
{
struct rt_wlan_sta_list *sta_list, *sta_next;
rt_err_t err = RT_EOK;
err = rt_mutex_take(&sta_info_mutex, rt_tick_from_millisecond(timeout));
if (err == RT_EOK)
{
/* traversing the list */
for (sta_list = sta_info.node; sta_list != RT_NULL; sta_list = sta_next)
{
sta_next = sta_list->next;
sta_info.num --;
rt_free(sta_list);
}
rt_mutex_release(&sta_info_mutex);
}
if (sta_info.num != 0)
{
RT_WLAN_LOG_W("\n\n!!!Program runing exception!!!\n\n");
}
sta_info.num = 0;
sta_info.node = RT_NULL;
return err;
}
static void rt_wlan_auto_connect_run(struct rt_work *work, void *parameter)
{
static rt_uint32_t id = 0;
struct rt_wlan_cfg_info cfg_info;
char *password = RT_NULL;
rt_base_t level;
RT_WLAN_LOG_D("F:%s is run", __FUNCTION__);
if (rt_mutex_take(&mgnt_mutex, 0) != RT_EOK)
goto exit;
/* auto connect status is disable or wifi is connect or connecting, exit */
if (_is_do_connect() == RT_FALSE)
{
id = 0;
RT_WLAN_LOG_D("not connection");
goto exit;
}
/* Read the next configuration */
rt_memset(&cfg_info, 0, sizeof(struct rt_wlan_cfg_info));
if (rt_wlan_cfg_read_index(&cfg_info, id ++) == 0)
{
RT_WLAN_LOG_D("read cfg fail");
id = 0;
goto exit;
}
if (id >= rt_wlan_cfg_get_num()) id = 0;
if ((cfg_info.key.len > 0) && (cfg_info.key.len < RT_WLAN_PASSWORD_MAX_LENGTH))
{
cfg_info.key.val[cfg_info.key.len] = '\0';
password = (char *)(&cfg_info.key.val[0]);
}
rt_wlan_connect_adv(&cfg_info.info, password);
exit:
rt_mutex_release(&mgnt_mutex);
level = rt_hw_interrupt_disable();
rt_memset(work, 0, sizeof(struct rt_work));
rt_hw_interrupt_enable(level);
}
static void rt_wlan_cyclic_check(void *parameter)
{
struct rt_workqueue *workqueue;
static struct rt_work work;
rt_base_t level;
if ((_is_do_connect() == RT_TRUE) && (work.work_func == RT_NULL))
{
workqueue = rt_wlan_get_workqueue();
if (workqueue != RT_NULL)
{
level = rt_hw_interrupt_disable();
rt_work_init(&work, rt_wlan_auto_connect_run, RT_NULL);
rt_hw_interrupt_enable(level);
if (rt_workqueue_dowork(workqueue, &work) != RT_EOK)
{
level = rt_hw_interrupt_disable();
rt_memset(&work, 0, sizeof(struct rt_work));
rt_hw_interrupt_enable(level);
}
}
}
}
static void rt_wlan_mgnt_work(void *parameter)
{
struct rt_wlan_msg *msg = parameter;
switch (msg->event)
{
case RT_WLAN_DEV_EVT_CONNECT:
{
struct rt_wlan_cfg_info cfg_info;
/* save config */
if (rt_wlan_is_connected() == RT_TRUE)
{
rt_enter_critical();
cfg_info.info = _sta_mgnt.info;
cfg_info.key = _sta_mgnt.key;
rt_exit_critical();
RT_WLAN_LOG_D("run save config! ssid:%s len%d", _sta_mgnt.info.ssid.val, _sta_mgnt.info.ssid.len);
rt_wlan_cfg_save(&cfg_info);
}
break;
}
default :
break;
}
rt_free(msg);
}
static void rt_wlan_event_dispatch(struct rt_wlan_device *device, rt_wlan_dev_event_t event, struct rt_wlan_buff *buff, void *parameter)
{
rt_base_t level;
void *user_parameter;
rt_wlan_event_handler handler = RT_NULL;
rt_err_t err = RT_NULL;
rt_wlan_event_t user_event = RT_WLAN_EVT_MAX;
int i;
struct rt_wlan_buff user_buff = { 0 };
if (buff)
{
user_buff = *buff;
}
/* Event Handle */
switch (event)
{
case RT_WLAN_DEV_EVT_CONNECT:
{
RT_WLAN_LOG_D("event: CONNECT");
_sta_mgnt.state |= RT_WLAN_STATE_CONNECT;
_sta_mgnt.state &= ~RT_WLAN_STATE_CONNECTING;
user_event = RT_WLAN_EVT_STA_CONNECTED;
TIME_STOP();
rt_wlan_send_msg(event, RT_NULL, 0);
user_buff.data = &_sta_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
RT_WLAN_LOG_I("wifi connect success ssid:%s", &_sta_mgnt.info.ssid.val[0]);
break;
}
case RT_WLAN_DEV_EVT_CONNECT_FAIL:
{
RT_WLAN_LOG_D("event: CONNECT_FAIL");
_sta_mgnt.state &= ~RT_WLAN_STATE_CONNECT;
_sta_mgnt.state &= ~RT_WLAN_STATE_CONNECTING;
_sta_mgnt.state &= ~RT_WLAN_STATE_READY;
user_event = RT_WLAN_EVT_STA_CONNECTED_FAIL;
user_buff.data = &_sta_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
TIME_START();
break;
}
case RT_WLAN_DEV_EVT_DISCONNECT:
{
RT_WLAN_LOG_D("event: DISCONNECT");
_sta_mgnt.state &= ~RT_WLAN_STATE_CONNECT;
_sta_mgnt.state &= ~RT_WLAN_STATE_READY;
user_event = RT_WLAN_EVT_STA_DISCONNECTED;
user_buff.data = &_sta_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
TIME_START();
break;
}
case RT_WLAN_DEV_EVT_AP_START:
{
RT_WLAN_LOG_D("event: AP_START");
_ap_mgnt.state |= RT_WLAN_STATE_ACTIVE;
user_event = RT_WLAN_EVT_AP_START;
user_buff.data = &_ap_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
break;
}
case RT_WLAN_DEV_EVT_AP_STOP:
{
RT_WLAN_LOG_D("event: AP_STOP");
_ap_mgnt.state &= ~RT_WLAN_STATE_ACTIVE;
user_event = RT_WLAN_EVT_AP_STOP;
err = rt_wlan_sta_info_del_all(RT_WAITING_FOREVER);
if (err != RT_NULL)
{
RT_WLAN_LOG_W("AP_STOP event handle fail");
}
user_buff.data = &_ap_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
break;
}
case RT_WLAN_DEV_EVT_AP_ASSOCIATED:
{
RT_WLAN_LOG_D("event: ASSOCIATED");
user_event = RT_WLAN_EVT_AP_ASSOCIATED;
if (user_buff.len != sizeof(struct rt_wlan_info))
break;
err = rt_wlan_sta_info_add(user_buff.data, RT_WAITING_FOREVER);
if (err != RT_EOK)
{
RT_WLAN_LOG_W("AP_ASSOCIATED event handle fail");
}
break;
}
case RT_WLAN_DEV_EVT_AP_DISASSOCIATED:
{
RT_WLAN_LOG_D("event: DISASSOCIATED");
user_event = RT_WLAN_EVT_AP_DISASSOCIATED;
if (user_buff.len != sizeof(struct rt_wlan_info))
break;
err = rt_wlan_sta_info_del(user_buff.data, RT_WAITING_FOREVER);
if (err != RT_EOK)
{
RT_WLAN_LOG_W("AP_DISASSOCIATED event handle fail");
}
break;
}
case RT_WLAN_DEV_EVT_AP_ASSOCIATE_FAILED:
{
RT_WLAN_LOG_D("event: AP_ASSOCIATE_FAILED");
break;
}
case RT_WLAN_DEV_EVT_SCAN_REPORT:
{
RT_WLAN_LOG_D("event: SCAN_REPORT");
user_event = RT_WLAN_EVT_SCAN_REPORT;
if (user_buff.len != sizeof(struct rt_wlan_info))
break;
rt_wlan_scan_result_cache(user_buff.data, 0);
break;
}
case RT_WLAN_DEV_EVT_SCAN_DONE:
{
RT_WLAN_LOG_D("event: SCAN_DONE");
user_buff.data = &scan_result;
user_buff.len = sizeof(scan_result);
user_event = RT_WLAN_EVT_SCAN_DONE;
break;
}
default :
{
RT_WLAN_LOG_D("event: UNKNOWN");
return;
}
}
/* send event */
COMPLETE_LOCK();
for (i = 0; i < sizeof(complete_tab) / sizeof(complete_tab[0]); i++)
{
if ((complete_tab[i] != RT_NULL))
{
complete_tab[i]->event_flag |= 0x1 << event;
rt_event_send(&complete_tab[i]->complete, 0x1 << event);
RT_WLAN_LOG_D("&complete_tab[i]->complete:0x%08x", &complete_tab[i]->complete);
}
}
COMPLETE_UNLOCK();
/* Get user callback */
if (user_event < RT_WLAN_EVT_MAX)
{
level = rt_hw_interrupt_disable();
handler = event_tab[user_event].handler;
user_parameter = event_tab[user_event].parameter;
rt_hw_interrupt_enable(level);
}
/* run user callback fun */
if (handler)
{
handler(user_event, &user_buff, user_parameter);
}
}
static struct rt_wlan_complete_des *rt_wlan_complete_create(const char *name)
{
struct rt_wlan_complete_des *complete;
int i;
complete = rt_malloc(sizeof(struct rt_wlan_complete_des));
if (complete == RT_NULL)
{
RT_WLAN_LOG_E("complete event create failed");
MGNT_UNLOCK();
return complete;
}
rt_event_init(&complete->complete, name, RT_IPC_FLAG_FIFO);
complete->event_flag = 0;
//protect
COMPLETE_LOCK();
for (i = 0; i < sizeof(complete_tab) / sizeof(complete_tab[0]); i++)
{
if (complete_tab[i] == RT_NULL)
{
complete->index = i;
complete_tab[i] = complete;
break;
}
}
COMPLETE_UNLOCK();
if (i >= sizeof(complete_tab) / sizeof(complete_tab[0]))
{
rt_event_detach(&complete->complete);
rt_free(complete);
complete = RT_NULL;
}
return complete;
}
static rt_err_t rt_wlan_complete_wait(struct rt_wlan_complete_des *complete, rt_uint32_t event,
rt_uint32_t timeout, rt_uint32_t *recved)
{
if (complete == RT_NULL)
{
return -RT_ERROR;
}
/* Check whether there is a waiting event */
if (complete->event_flag & event)
{
*recved = complete->event_flag;
return RT_EOK;
}
else
{
return rt_event_recv(&complete->complete, event, RT_EVENT_FLAG_OR,
rt_tick_from_millisecond(timeout), recved);
}
}
static void rt_wlan_complete_delete(struct rt_wlan_complete_des *complete)
{
if (complete == RT_NULL)
{
return;
}
COMPLETE_LOCK();
complete_tab[complete->index] = RT_NULL;
COMPLETE_UNLOCK();
rt_event_detach(&complete->complete);
rt_free(complete);
}
rt_err_t rt_wlan_set_mode(const char *dev_name, rt_wlan_mode_t mode)
{
rt_device_t device = RT_NULL;
rt_err_t err;
rt_int8_t up_event_flag = 0;
rt_wlan_dev_event_handler handler = RT_NULL;
if ((dev_name == RT_NULL) || (mode >= RT_WLAN_MODE_MAX))
{
RT_WLAN_LOG_E("Parameter Wrongful name:%s mode:%d", dev_name, mode);
return -RT_EINVAL;
}
RT_WLAN_LOG_D("%s is run dev_name:%s mode:%s%s%s", __FUNCTION__, dev_name,
mode == RT_WLAN_NONE ? "NONE" : "",
mode == RT_WLAN_STATION ? "STA" : "",
mode == RT_WLAN_AP ? "AP" : ""
);
/* find device */
device = rt_device_find(dev_name);
if (device == RT_NULL)
{
RT_WLAN_LOG_E("not find device, set mode failed! name:%s", dev_name);
return -RT_EIO;
}
MGNT_LOCK();
if (RT_WLAN_DEVICE(device)->mode == mode)
{
RT_WLAN_LOG_D("L:%d this device mode is set");
MGNT_UNLOCK();
return RT_EOK;
}
if ((mode == RT_WLAN_STATION) &&
(RT_WLAN_DEVICE(device)->flags & RT_WLAN_FLAG_AP_ONLY))
{
RT_WLAN_LOG_I("this device ap mode only");
MGNT_UNLOCK();
return -RT_ERROR;
}
else if ((mode == RT_WLAN_AP) &&
(RT_WLAN_DEVICE(device)->flags & RT_WLAN_FLAG_STA_ONLY))
{
RT_WLAN_LOG_I("this device sta mode only");
MGNT_UNLOCK();
return -RT_ERROR;
}
/*
* device == sta and change to ap, should deinit
* device == ap and change to sta, should deinit
*/
if (((mode == RT_WLAN_STATION) && (RT_WLAN_DEVICE(device) == AP_DEVICE())) ||
((mode == RT_WLAN_AP) && (RT_WLAN_DEVICE(device) == STA_DEVICE())))
{
err = rt_wlan_set_mode(dev_name, RT_WLAN_NONE);
if (err != RT_EOK)
{
RT_WLAN_LOG_E("change mode failed!");
MGNT_UNLOCK();
return err;
}
}
/* init device */
err = rt_wlan_dev_init(RT_WLAN_DEVICE(device), mode);
if (err != RT_EOK)
{
RT_WLAN_LOG_E("F:%s L:%d wlan init failed", __FUNCTION__, __LINE__);
MGNT_UNLOCK();
return err;
}
/* the mode is none */
if (mode == RT_WLAN_NONE)
{
if (_sta_mgnt.device == RT_WLAN_DEVICE(device))
{
_sta_mgnt.device = RT_NULL;
_sta_mgnt.state = 0;
up_event_flag = 1;
handler = RT_NULL;
}
else if (_ap_mgnt.device == RT_WLAN_DEVICE(device))
{
_ap_mgnt.state = 0;
_ap_mgnt.device = RT_NULL;
up_event_flag = 1;
handler = RT_NULL;
}
}
/* save sta device */
else if (mode == RT_WLAN_STATION)
{
up_event_flag = 1;
handler = rt_wlan_event_dispatch;
_sta_mgnt.device = RT_WLAN_DEVICE(device);
}
/* save ap device */
else if (mode == RT_WLAN_AP)
{
up_event_flag = 1;
handler = rt_wlan_event_dispatch;
_ap_mgnt.device = RT_WLAN_DEVICE(device);
}
/* update dev event handle */
if (up_event_flag == 1)
{
rt_wlan_dev_event_t event;
for (event = RT_WLAN_DEV_EVT_INIT_DONE; event < RT_WLAN_DEV_EVT_MAX; event++)
{
if (handler)
{
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), event, handler, RT_NULL);
}
else
{
rt_wlan_dev_unregister_event_handler(RT_WLAN_DEVICE(device), event, handler);
}
}
}
MGNT_UNLOCK();
/* Mount protocol */
#ifdef RT_WLAN_DEFAULT_PROT
rt_wlan_prot_attach(dev_name, RT_WLAN_DEFAULT_PROT);
#endif
return err;
}
rt_wlan_mode_t rt_wlan_get_mode(const char *dev_name)
{
rt_device_t device = RT_NULL;
rt_wlan_mode_t mode;
if (dev_name == RT_NULL)
{
RT_WLAN_LOG_E("name is null");
return RT_WLAN_NONE;
}
/* find device */
device = rt_device_find(dev_name);
if (device == RT_NULL)
{
RT_WLAN_LOG_E("device not find! name:%s", dev_name);
return RT_WLAN_NONE;
}
/* get mode */
mode = RT_WLAN_DEVICE(device)->mode;
RT_WLAN_LOG_D("%s is run dev_name:%s mode:%s%s%s", __FUNCTION__, dev_name,
mode == RT_WLAN_NONE ? "NONE" : "",
mode == RT_WLAN_STATION ? "STA" : "",
mode == RT_WLAN_AP ? "AP" : "");
return mode;
}
rt_bool_t rt_wlan_find_best_by_cache(const char *ssid, struct rt_wlan_info *info)
{
int i, ssid_len;
struct rt_wlan_info *info_best;
struct rt_wlan_scan_result *result;
ssid_len = rt_strlen(ssid);
result = &scan_result;
info_best = RT_NULL;
SRESULT_LOCK();
for (i = 0; i < result->num; i++)
{
/* SSID is equal. */
if ((result->info[i].ssid.len == ssid_len) &&
(rt_memcmp((char *)&result->info[i].ssid.val[0], ssid, ssid_len) == 0))
{
if (info_best == RT_NULL)
{
info_best = &result->info[i];
continue;
}
/* Signal strength effective */
if ((result->info[i].rssi < 0) && (info_best->rssi < 0))
{
/* Find the strongest signal. */
if (result->info[i].rssi > info_best->rssi)
{
info_best = &result->info[i];
continue;
}
else if (result->info[i].rssi < info_best->rssi)
{
continue;
}
}
/* Finding the fastest signal */
if (result->info[i].datarate > info_best->datarate)
{
info_best = &result->info[i];
continue;
}
}
}
SRESULT_UNLOCK();
if (info_best == RT_NULL)
return RT_FALSE;
*info = *info_best;
return RT_TRUE;
}
rt_err_t rt_wlan_connect(const char *ssid, const char *password)
{
rt_err_t err = RT_EOK;
int ssid_len = 0;
struct rt_wlan_info info;
struct rt_wlan_complete_des *complete;
rt_uint32_t set = 0, recved = 0;
/* sta dev Can't be NULL */
if (_sta_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run ssid:%s password:%s", __FUNCTION__, ssid, password);
if (ssid == RT_NULL)
{
RT_WLAN_LOG_E("ssid is null!");
return -RT_EINVAL;
}
ssid_len = rt_strlen(ssid);
if (ssid_len > RT_WLAN_SSID_MAX_LENGTH)
{
RT_WLAN_LOG_E("ssid is to long! ssid:%s len:%d", ssid, ssid_len);
return -RT_EINVAL;
}
if ((rt_wlan_is_connected() == RT_TRUE) &&
(rt_strcmp((char *)&_sta_mgnt.info.ssid.val[0], ssid) == 0))
{
RT_WLAN_LOG_I("wifi is connect ssid:%s", ssid);
return RT_EOK;
}
/* get info from cache */
INVALID_INFO(&info);
MGNT_LOCK();
if (rt_wlan_find_best_by_cache(ssid, &info) != RT_TRUE)
{
rt_wlan_scan_sync();
rt_wlan_find_best_by_cache(ssid, &info);
rt_wlan_scan_result_clean();
}
if (info.ssid.len <= 0)
{
RT_WLAN_LOG_W("not find ap! ssid:%s", ssid);
MGNT_UNLOCK();
return -RT_ERROR;
}
RT_WLAN_LOG_D("find best info ssid:%s mac: %02x %02x %02x %02x %02x %02x",
info.ssid.val, info.bssid[0], info.bssid[1], info.bssid[2], info.bssid[3], info.bssid[4], info.bssid[5]);
/* create event wait complete */
complete = rt_wlan_complete_create("join");
if (complete == RT_NULL)
{
MGNT_UNLOCK();
return -RT_ENOMEM;
}
/* run connect adv */
err = rt_wlan_connect_adv(&info, password);
if (err != RT_EOK)
{
rt_wlan_complete_delete(complete);
MGNT_UNLOCK();
return err;
}
/* Initializing events that need to wait */
set |= 0x1 << RT_WLAN_DEV_EVT_CONNECT;
set |= 0x1 << RT_WLAN_DEV_EVT_CONNECT_FAIL;
/* Check whether there is a waiting event */
rt_wlan_complete_wait(complete, set, RT_WLAN_CONNECT_WAIT_MS, &recved);
rt_wlan_complete_delete(complete);
/* check event */
set = 0x1 << RT_WLAN_DEV_EVT_CONNECT;
if (!(recved & set))
{
RT_WLAN_LOG_I("wifi connect failed!");
MGNT_UNLOCK();
return -RT_ERROR;
}
MGNT_UNLOCK();
return err;
}
rt_err_t rt_wlan_connect_adv(struct rt_wlan_info *info, const char *password)
{
int password_len = 0;
rt_err_t err = RT_EOK;
if (_sta_is_null())
{
return -RT_EIO;
}
if (info == RT_NULL)
{
RT_WLAN_LOG_E("info is null!");
return -RT_EINVAL;
}
RT_WLAN_LOG_D("%s is run ssid:%s password:%s", __FUNCTION__, info->ssid.val, password);
/* Parameter checking */
if (password != RT_NULL)
{
password_len = rt_strlen(password);
if (password_len > RT_WLAN_PASSWORD_MAX_LENGTH)
{
RT_WLAN_LOG_E("password is to long! password:%s len:%d", password, password_len);
return -RT_EINVAL;
}
}
if (info->ssid.len == 0 || info->ssid.len > RT_WLAN_SSID_MAX_LENGTH)
{
RT_WLAN_LOG_E("ssid is zero or to long! ssid:%s len:%d", info->ssid.val, info->ssid.len);
return -RT_EINVAL;
}
/* is connect ? */
MGNT_LOCK();
if (rt_wlan_is_connected())
{
if ((_sta_mgnt.info.ssid.len == info->ssid.len) &&
(_sta_mgnt.key.len == password_len) &&
(rt_memcmp(&_sta_mgnt.info.ssid.val[0], &info->ssid.val[0], info->ssid.len) == 0) &&
(rt_memcmp(&_sta_mgnt.info.bssid[0], &info->bssid[0], RT_WLAN_BSSID_MAX_LENGTH) == 0) &&
(rt_memcmp(&_sta_mgnt.key.val[0], password, password_len) == 0))
{
RT_WLAN_LOG_I("wifi Already Connected");
MGNT_UNLOCK();
return RT_EOK;
}
err = rt_wlan_disconnect();
if (err != RT_EOK)
{
MGNT_UNLOCK();
return err;
}
}
/* save info */
rt_enter_critical();
_sta_mgnt.info = *info;
rt_memcpy(&_sta_mgnt.key.val, password, password_len);
_sta_mgnt.key.len = password_len;
_sta_mgnt.key.val[password_len] = '\0';
rt_exit_critical();
/* run wifi connect */
_sta_mgnt.state |= RT_WLAN_STATE_CONNECTING;
err = rt_wlan_dev_connect(_sta_mgnt.device, info, password, password_len);
if (err != RT_EOK)
{
rt_enter_critical();
rt_memset(&_sta_mgnt.info, 0, sizeof(struct rt_wlan_ssid));
rt_memset(&_sta_mgnt.key, 0, sizeof(struct rt_wlan_key));
rt_exit_critical();
_sta_mgnt.state &= ~RT_WLAN_STATE_CONNECTING;
MGNT_UNLOCK();
return err;
}
MGNT_UNLOCK();
return err;
}
rt_err_t rt_wlan_disconnect(void)
{
rt_err_t err;
struct rt_wlan_complete_des *complete;
rt_uint32_t recved = 0, set = 0;
/* ap dev Can't be empty */
if (_sta_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run", __FUNCTION__);
/* run disconnect */
MGNT_LOCK();
/* create event wait complete */
complete = rt_wlan_complete_create("disc");
if (complete == RT_NULL)
{
MGNT_UNLOCK();
return -RT_ENOMEM;
}
err = rt_wlan_dev_disconnect(_sta_mgnt.device);
if (err != RT_EOK)
{
RT_WLAN_LOG_E("wifi disconnect fail");
rt_wlan_complete_delete(complete);
MGNT_UNLOCK();
return err;
}
/* Initializing events that need to wait */
set |= 0x1 << RT_WLAN_DEV_EVT_DISCONNECT;
/* Check whether there is a waiting event */
rt_wlan_complete_wait(complete, set, RT_WLAN_CONNECT_WAIT_MS, &recved);
rt_wlan_complete_delete(complete);
/* check event */
set = 0x1 << RT_WLAN_DEV_EVT_DISCONNECT;
if (!(recved & set))
{
RT_WLAN_LOG_E("disconnect failed!");
MGNT_UNLOCK();
return -RT_ERROR;
}
RT_WLAN_LOG_I("disconnect success!");
MGNT_UNLOCK();
return err;
}
rt_bool_t rt_wlan_is_connected(void)
{
rt_bool_t _connect;
if (_sta_is_null())
{
return RT_FALSE;
}
_connect = _sta_mgnt.state & RT_WLAN_STATE_CONNECT ? RT_TRUE : RT_FALSE;
RT_WLAN_LOG_D("%s is run : %s", __FUNCTION__, _connect ? "connect" : "disconnect");
return _connect;
}
rt_bool_t rt_wlan_is_ready(void)
{
rt_bool_t _ready;
if (_sta_is_null())
{
return RT_FALSE;
}
_ready = _sta_mgnt.state & RT_WLAN_STATE_READY ? RT_TRUE : RT_FALSE;
RT_WLAN_LOG_D("%s is run : %s", __FUNCTION__, _ready ? "ready" : "not ready");
return _ready;
}
rt_err_t rt_wlan_set_mac(rt_uint8_t mac[6])
{
rt_err_t err = RT_EOK;
if (_sta_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run mac: %02x:%02x:%02x:%02x:%02x:%02x",
__FUNCTION__, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
MGNT_LOCK();
err = rt_wlan_dev_set_mac(STA_DEVICE(), mac);
if (err != RT_EOK)
{
RT_WLAN_LOG_E("set sta mac addr fail");
MGNT_UNLOCK();
return err;
}
MGNT_UNLOCK();
return err;
}
rt_err_t rt_wlan_get_mac(rt_uint8_t mac[6])
{
rt_err_t err = RT_EOK;
if (_sta_is_null())
{
return -RT_EIO;
}
MGNT_LOCK();
err = rt_wlan_dev_get_mac(STA_DEVICE(), mac);
if (err != RT_EOK)
{
RT_WLAN_LOG_E("get sta mac addr fail");
MGNT_UNLOCK();
return err;
}
RT_WLAN_LOG_D("%s is run mac: %02x:%02x:%02x:%02x:%02x:%02x",
__FUNCTION__, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
MGNT_UNLOCK();
return err;
}
rt_err_t rt_wlan_get_info(struct rt_wlan_info *info)
{
if (_sta_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run", __FUNCTION__);
rt_enter_critical();
*info = _sta_mgnt.info;
rt_exit_critical();
return RT_EOK;
}
int rt_wlan_get_rssi(void)
{
int rssi = 0;
if (_sta_is_null())
{
return -RT_EIO;
}
MGNT_LOCK();
rssi = rt_wlan_dev_get_rssi(STA_DEVICE());
RT_WLAN_LOG_D("%s is run rssi:%d", __FUNCTION__, rssi);
MGNT_UNLOCK();
return rssi;
}
rt_err_t rt_wlan_start_ap(const char *ssid, const char *password)
{
rt_err_t err = RT_EOK;
int ssid_len = 0;
struct rt_wlan_info info;
struct rt_wlan_complete_des *complete;
rt_uint32_t set = 0, recved = 0;
if (_ap_is_null())
{
return -RT_EIO;
}
if (ssid == RT_NULL) return -RT_EINVAL;
rt_memset(&info, 0, sizeof(struct rt_wlan_info));
RT_WLAN_LOG_D("%s is run ssid:%s password:%s", __FUNCTION__, ssid, password);
if (password)
{
info.security = SECURITY_WPA2_AES_PSK;
}
ssid_len = rt_strlen(ssid);
if (ssid_len > RT_WLAN_SSID_MAX_LENGTH)
{
RT_WLAN_LOG_E("ssid is to long! len:%d", ssid_len);
}
/* copy info */
rt_memcpy(&info.ssid.val, ssid, ssid_len);
info.ssid.len = ssid_len;
info.channel = 6;
/* Initializing events that need to wait */
MGNT_LOCK();
/* create event wait complete */
complete = rt_wlan_complete_create("start_ap");
if (complete == RT_NULL)
{
MGNT_UNLOCK();
return -RT_ENOMEM;
}
/* start ap */
err = rt_wlan_start_ap_adv(&info, password);
if (err != RT_EOK)
{
rt_wlan_complete_delete(complete);
RT_WLAN_LOG_I("start ap failed!");
MGNT_UNLOCK();
return err;
}
/* Initializing events that need to wait */
set |= 0x1 << RT_WLAN_DEV_EVT_AP_START;
set |= 0x1 << RT_WLAN_DEV_EVT_AP_STOP;
/* Check whether there is a waiting event */
rt_wlan_complete_wait(complete, set, RT_WLAN_START_AP_WAIT_MS, &recved);
rt_wlan_complete_delete(complete);
/* check event */
set = 0x1 << RT_WLAN_DEV_EVT_AP_START;
if (!(recved & set))
{
RT_WLAN_LOG_I("start ap failed!");
MGNT_UNLOCK();
return -RT_ERROR;
}
RT_WLAN_LOG_I("start ap successs!");
MGNT_UNLOCK();
return err;
}
rt_err_t rt_wlan_start_ap_adv(struct rt_wlan_info *info, const char *password)
{
rt_err_t err = RT_EOK;
int password_len = 0;
if (_ap_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run", __FUNCTION__);
if (password != RT_NULL)
{
password_len = rt_strlen(password);
}
if (password_len > RT_WLAN_PASSWORD_MAX_LENGTH)
{
RT_WLAN_LOG_E("key is to long! len:%d", password_len);
return -RT_EINVAL;
}
/* is start up ? */
MGNT_LOCK();
if (rt_wlan_ap_is_active())
{
if ((_ap_mgnt.info.ssid.len == info->ssid.len) &&
(_ap_mgnt.info.security == info->security) &&
(_ap_mgnt.info.channel == info->channel) &&
(_ap_mgnt.info.hidden == info->hidden) &&
(_ap_mgnt.key.len == password_len) &&
(rt_memcmp(&_ap_mgnt.info.ssid.val[0], &info->ssid.val[0], info->ssid.len) == 0) &&
(rt_memcmp(&_ap_mgnt.key.val[0], password, password_len)))
{
RT_WLAN_LOG_D("wifi Already Start");
MGNT_UNLOCK();
return RT_EOK;
}
}
err = rt_wlan_dev_ap_start(AP_DEVICE(), info, password, password_len);
if (err != RT_EOK)
{
MGNT_UNLOCK();
return err;
}
rt_memcpy(&_ap_mgnt.info, info, sizeof(struct rt_wlan_info));
rt_memcpy(&_ap_mgnt.key.val, password, password_len);
_ap_mgnt.key.len = password_len;
MGNT_UNLOCK();
return err;
}
rt_bool_t rt_wlan_ap_is_active(void)
{
rt_bool_t _active = RT_FALSE;
if (_ap_is_null())
{
return RT_FALSE;
}
_active = _ap_mgnt.state & RT_WLAN_STATE_ACTIVE ? RT_TRUE : RT_FALSE;
RT_WLAN_LOG_D("%s is run active:%s", __FUNCTION__, _active ? "Active" : "Inactive");
return _active;
}
rt_err_t rt_wlan_ap_stop(void)
{
rt_err_t err = RT_EOK;
struct rt_wlan_complete_des *complete;
rt_uint32_t set = 0, recved = 0;
if (_ap_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run", __FUNCTION__);
MGNT_LOCK();
/* create event wait complete */
complete = rt_wlan_complete_create("stop_ap");
if (complete == RT_NULL)
{
MGNT_UNLOCK();
return -RT_ENOMEM;
}
err = rt_wlan_dev_ap_stop(AP_DEVICE());
if (err != RT_EOK)
{
RT_WLAN_LOG_E("ap stop fail");
rt_wlan_complete_delete(complete);
MGNT_UNLOCK();
return err;
}
/* Initializing events that need to wait */
set |= 0x1 << RT_WLAN_DEV_EVT_AP_STOP;
/* Check whether there is a waiting event */
rt_wlan_complete_wait(complete, set, RT_WLAN_START_AP_WAIT_MS, &recved);
rt_wlan_complete_delete(complete);
/* check event */
set = 0x1 << RT_WLAN_DEV_EVT_AP_STOP;
if (!(recved & set))
{
RT_WLAN_LOG_I("ap stop failed!");
MGNT_UNLOCK();
return -RT_ERROR;
}
RT_WLAN_LOG_I("ap stop success!");
MGNT_UNLOCK();
return err;
}
rt_err_t rt_wlan_ap_get_info(struct rt_wlan_info *info)
{
if (_ap_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run", __FUNCTION__);
*info = _ap_mgnt.info;
return RT_EOK;
}
/* get sta number */
int rt_wlan_ap_get_sta_num(void)
{
int sta_num = 0;
STAINFO_LOCK();
sta_num = sta_info.num;
STAINFO_UNLOCK();
RT_WLAN_LOG_D("%s is run num:%d", __FUNCTION__, sta_num);
return sta_num;
}
/* get sta info */
int rt_wlan_ap_get_sta_info(struct rt_wlan_info *info, int num)
{
int sta_num = 0, i = 0;
struct rt_wlan_sta_list *sta_list;
STAINFO_LOCK();
/* sta_num = min(sta_info.num, num) */
sta_num = sta_info.num > num ? num : sta_info.num;
for (sta_list = sta_info.node; sta_list != RT_NULL && i < sta_num; sta_list = sta_list->next)
{
info[i] = sta_list->info;
i ++;
}
STAINFO_UNLOCK();
RT_WLAN_LOG_D("%s is run num:%d", __FUNCTION__, i);
return i;
}
/* deauth sta */
rt_err_t rt_wlan_ap_deauth_sta(rt_uint8_t *mac)
{
rt_err_t err = RT_EOK;
struct rt_wlan_sta_list *sta_list;
rt_bool_t find_flag = RT_FALSE;
if (_ap_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run mac: %02x:%02x:%02x:%02x:%02x:%02x:%d",
__FUNCTION__, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
if (mac == RT_NULL)
{
RT_WLAN_LOG_E("mac addr is null");
return -RT_EINVAL;
}
MGNT_LOCK();
if (sta_info.node == RT_NULL || sta_info.num == 0)
{
RT_WLAN_LOG_E("No AP");
MGNT_UNLOCK();
return -RT_ERROR;
}
STAINFO_LOCK();
/* Search for MAC address from sta list */
for (sta_list = sta_info.node; sta_list != RT_NULL; sta_list = sta_list->next)
{
if (rt_memcmp(&sta_list->info.bssid[0], &mac[0], RT_WLAN_BSSID_MAX_LENGTH) == 0)
{
find_flag = RT_TRUE;
break;
}
}
STAINFO_UNLOCK();
/* No MAC address was found. return */
if (find_flag != RT_TRUE)
{
RT_WLAN_LOG_E("Not find mac addr");
MGNT_UNLOCK();
return -RT_ERROR;
}
/* Kill STA */
err = rt_wlan_dev_ap_deauth(AP_DEVICE(), mac);
if (err != RT_NULL)
{
RT_WLAN_LOG_E("deauth sta failed");
MGNT_UNLOCK();
return err;
}
MGNT_UNLOCK();
return err;
}
rt_err_t rt_wlan_ap_set_country(rt_country_code_t country_code)
{
rt_err_t err = RT_EOK;
if (_ap_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run country:%d", __FUNCTION__, country_code);
MGNT_LOCK();
err = rt_wlan_dev_set_country(AP_DEVICE(), country_code);
MGNT_UNLOCK();
return err;
}
rt_country_code_t rt_wlan_ap_get_country(void)
{
rt_country_code_t country_code = RT_COUNTRY_UNKNOWN;
if (_ap_is_null())
{
return country_code;
}
MGNT_LOCK();
country_code = rt_wlan_dev_get_country(AP_DEVICE());
RT_WLAN_LOG_D("%s is run country:%d", __FUNCTION__, country_code);
MGNT_UNLOCK();
return country_code;
}
void rt_wlan_config_autoreconnect(rt_bool_t enable)
{
RT_WLAN_LOG_D("%s is run enable:%d", __FUNCTION__, enable);
MGNT_LOCK();
if (enable)
{
_sta_mgnt.flags |= RT_WLAN_STATE_AUTOEN;
}
else
{
_sta_mgnt.flags &= ~RT_WLAN_STATE_AUTOEN;
}
MGNT_UNLOCK();
}
rt_bool_t rt_wlan_get_autoreconnect_mode(void)
{
rt_bool_t enable = 0;
enable = _sta_mgnt.flags & RT_WLAN_STATE_AUTOEN ? 1 : 0;
RT_WLAN_LOG_D("%s is run enable:%d", __FUNCTION__, enable);
return enable;
}
/* Call the underlying scan function, which is asynchronous.
The hotspots scanned are returned by callbacks */
rt_err_t rt_wlan_scan(void)
{
rt_err_t err = RT_EOK;
if (_sta_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run", __FUNCTION__);
MGNT_LOCK();
err = rt_wlan_dev_scan(STA_DEVICE(), RT_NULL);
MGNT_UNLOCK();
return err;
}
struct rt_wlan_scan_result *rt_wlan_scan_sync(void)
{
struct rt_wlan_scan_result *result;
/* Execute synchronous scan function */
MGNT_LOCK();
result = rt_wlan_scan_with_info(RT_NULL);
MGNT_UNLOCK();
return result;
}
struct rt_wlan_scan_result *rt_wlan_scan_with_info(struct rt_wlan_info *info)
{
rt_err_t err = RT_EOK;
struct rt_wlan_complete_des *complete;
rt_uint32_t set = 0, recved = 0;
if (_sta_is_null())
{
return RT_NULL;
}
RT_WLAN_LOG_D("%s is run", __FUNCTION__);
if (info != RT_NULL && info->ssid.len > RT_WLAN_SSID_MAX_LENGTH)
{
RT_WLAN_LOG_E("ssid is to long!");
return RT_NULL;
}
/* Create an event that needs to wait. */
MGNT_LOCK();
complete = rt_wlan_complete_create("scan");
if (complete == RT_NULL)
{
MGNT_UNLOCK();
return &scan_result;
}
/* run scan */
err = rt_wlan_dev_scan(STA_DEVICE(), info);
if (err != RT_EOK)
{
rt_wlan_complete_delete(complete);
RT_WLAN_LOG_E("scan sync fail");
MGNT_UNLOCK();
return RT_NULL;
}
/* Initializing events that need to wait */
set |= 0x1 << RT_WLAN_DEV_EVT_SCAN_DONE;
/* Check whether there is a waiting event */
rt_wlan_complete_wait(complete, set, RT_WLAN_CONNECT_WAIT_MS, &recved);
rt_wlan_complete_delete(complete);
/* check event */
set = 0x1 << RT_WLAN_DEV_EVT_SCAN_DONE;
if (!(recved & set))
{
RT_WLAN_LOG_E("scan wait timeout!");
MGNT_UNLOCK();
return &scan_result;
}
MGNT_UNLOCK();
return &scan_result;
}
int rt_wlan_scan_get_info_num(void)
{
int num = 0;
num = scan_result.num;
RT_WLAN_LOG_D("%s is run num:%d", __FUNCTION__, num);
return num;
}
int rt_wlan_scan_get_info(struct rt_wlan_info *info, int num)
{
int _num = 0;
SRESULT_LOCK();
if (scan_result.num && num > 0)
{
_num = scan_result.num > num ? num : scan_result.num;
rt_memcpy(info, scan_result.info, _num * sizeof(struct rt_wlan_info));
}
SRESULT_UNLOCK();
return _num;
}
struct rt_wlan_scan_result *rt_wlan_scan_get_result(void)
{
return &scan_result;
}
void rt_wlan_scan_result_clean(void)
{
MGNT_LOCK();
SRESULT_LOCK();
/* If there is data */
if (scan_result.num)
{
scan_result.num = 0;
rt_free(scan_result.info);
scan_result.info = RT_NULL;
}
SRESULT_UNLOCK();
MGNT_UNLOCK();
}
int rt_wlan_scan_find_cache(struct rt_wlan_info *info, struct rt_wlan_info *out_info, int num)
{
int i = 0, count = 0;
struct rt_wlan_info *scan_info;
rt_bool_t is_equ = 1;
rt_uint8_t bssid_zero[RT_WLAN_BSSID_MAX_LENGTH] = { 0 };
if ((out_info == RT_NULL) || (info == RT_NULL) || (num <= 0))
{
return 0;
}
SRESULT_LOCK();
/* Traversing the cache to find a qualified hot spot information */
for (i = 0; (i < scan_result.num) && (count < num); i++)
{
scan_info = &scan_result.info[i];
if (is_equ && (info->security != SECURITY_UNKNOWN))
{
is_equ &= info->security == scan_info->security;
}
if (is_equ && ((info->ssid.len > 0) && (info->ssid.len == scan_info->ssid.len)))
{
is_equ &= rt_memcmp(&info->ssid.val[0], &scan_info->ssid.val[0], scan_info->ssid.len) == 0;
}
if (is_equ && (rt_memcmp(&info->bssid[0], bssid_zero, RT_WLAN_BSSID_MAX_LENGTH)))
{
is_equ &= rt_memcmp(&info->bssid[0], &scan_info->bssid[0], RT_WLAN_BSSID_MAX_LENGTH) == 0;
}
if (is_equ && info->datarate)
{
is_equ &= info->datarate == scan_info->datarate;
}
if (is_equ && (info->channel >= 0))
{
is_equ &= info->channel == scan_info->channel;
}
if (is_equ && (info->rssi < 0))
{
is_equ &= info->rssi == scan_info->rssi;
}
/* Determine whether to find */
if (is_equ)
{
rt_memcpy(&out_info[count], scan_info, sizeof(struct rt_wlan_info));
count ++;
}
}
SRESULT_UNLOCK();
return count;
}
rt_err_t rt_wlan_set_powersave(int level)
{
rt_err_t err = RT_EOK;
if (_sta_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run", __FUNCTION__);
MGNT_LOCK();
err = rt_wlan_dev_set_powersave(STA_DEVICE(), level);
MGNT_UNLOCK();
return err;
}
int rt_wlan_get_powersave(void)
{
int level;
if (_sta_is_null())
{
return -1;
}
RT_WLAN_LOG_D("%s is run", __FUNCTION__);
MGNT_LOCK();
level = rt_wlan_dev_get_powersave(STA_DEVICE());
MGNT_UNLOCK();
return level;
}
rt_err_t rt_wlan_register_event_handler(rt_wlan_event_t event, rt_wlan_event_handler handler, void *parameter)
{
rt_base_t level;
if (event >= RT_WLAN_EVT_MAX)
{
return RT_EINVAL;
}
RT_WLAN_LOG_D("%s is run event:%d", __FUNCTION__, event);
MGNT_UNLOCK();
/* Registering Callbacks */
level = rt_hw_interrupt_disable();
event_tab[event].handler = handler;
event_tab[event].parameter = parameter;
rt_hw_interrupt_enable(level);
MGNT_UNLOCK();
return RT_EOK;
}
rt_err_t rt_wlan_unregister_event_handler(rt_wlan_event_t event)
{
rt_base_t level;
if (event >= RT_WLAN_EVT_MAX)
{
return RT_EINVAL;
}
RT_WLAN_LOG_D("%s is run event:%d", __FUNCTION__, event);
MGNT_LOCK();
/* unregister*/
level = rt_hw_interrupt_disable();
event_tab[event].handler = RT_NULL;
event_tab[event].parameter = RT_NULL;
rt_hw_interrupt_enable(level);
MGNT_UNLOCK();
return RT_EOK;
}
void rt_wlan_mgnt_lock(void)
{
MGNT_LOCK();
}
void rt_wlan_mgnt_unlock(void)
{
MGNT_UNLOCK();
}
int rt_wlan_prot_ready_event(struct rt_wlan_device *wlan, struct rt_wlan_buff *buff)
{
rt_base_t level;
void *user_parameter;
rt_wlan_event_handler handler = RT_NULL;
if ((wlan == RT_NULL) || (_sta_mgnt.device != wlan) ||
(!(_sta_mgnt.state & RT_WLAN_STATE_CONNECT)))
{
return -1;
}
if (_sta_mgnt.state & RT_WLAN_STATE_READY)
{
return 0;
}
level = rt_hw_interrupt_disable();
_sta_mgnt.state |= RT_WLAN_STATE_READY;
handler = event_tab[RT_WLAN_EVT_READY].handler;
user_parameter = event_tab[RT_WLAN_EVT_READY].parameter;
rt_hw_interrupt_enable(level);
if (handler)
{
handler(RT_WLAN_EVT_READY, buff, user_parameter);
}
return 0;
}
int rt_wlan_init(void)
{
static rt_int8_t _init_flag = 0;
/* Execute only once */
if (_init_flag == 0)
{
rt_memset(&_sta_mgnt, 0, sizeof(struct rt_wlan_mgnt_des));
rt_memset(&_ap_mgnt, 0, sizeof(struct rt_wlan_mgnt_des));
rt_memset(&scan_result, 0, sizeof(struct rt_wlan_scan_result));
rt_memset(&sta_info, 0, sizeof(struct rt_wlan_sta_des));
rt_mutex_init(&mgnt_mutex, "mgnt", RT_IPC_FLAG_FIFO);
rt_mutex_init(&scan_result_mutex, "scan", RT_IPC_FLAG_FIFO);
rt_mutex_init(&sta_info_mutex, "sta", RT_IPC_FLAG_FIFO);
rt_mutex_init(&complete_mutex, "complete", RT_IPC_FLAG_FIFO);
rt_timer_init(&reconnect_time, "wifi_tim", rt_wlan_cyclic_check, RT_NULL, DISCONNECT_RESPONSE_TICK, RT_TIMER_FLAG_PERIODIC | RT_TIMER_FLAG_SOFT_TIMER);
rt_timer_start(&reconnect_time);
_init_flag = 1;
}
return 0;
}
INIT_PREV_EXPORT(rt_wlan_init);
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