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rt-thread-official/bsp/amebaz/drivers/wlan/drv_wifi.c

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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-5-30 Bernard the first version
* 2018-5-30 flyingcys add amebaz wifi driver
*/
#include <skbuff.h>
#include "board.h"
#include <string.h>
#include "drv_wlan.h"
#include "drv_wifi.h"
#define DBG_LVL DBG_INFO
#define DBG_TAG "WIFI"
#include <rtdbg.h>
#define MAX_ADDR_LEN (6)
#define RT_WLAN_SSID_MAX_LEN (32)
#define WIFI_INIT_FLAG (0x1 << 0)
#define WIFI_MAC_FLAG (0x1 << 1)
#define WIFI_TYPE_STA (0)
#define WIFI_TYPE_AP (1)
struct ameba_wifi
{
struct rt_wlan_device *wlan;
rt_uint8_t dev_addr[MAX_ADDR_LEN];
rt_uint8_t flag;
int connected;
int type;
};
extern unsigned char rltk_wlan_running(unsigned char idx);
extern struct sk_buff * rltk_wlan_get_recv_skb(int idx);
extern unsigned char rltk_wlan_check_isup(int idx);
extern void rltk_wlan_tx_inc(int idx);
extern struct sk_buff * rltk_wlan_alloc_skb(unsigned int total_len);
extern void rltk_wlan_send_skb(int idx, struct sk_buff *skb);
extern void rltk_wlan_tx_dec(int idx);
extern void rtw_event_register(int event, void (*fun)(char *buf, int len, int flags, void *user_data) , void *user_data);
static const struct rt_wlan_dev_ops ops;
static struct ameba_wifi wifi_sta;
static struct ameba_wifi wifi_ap;
rt_inline struct ameba_wifi *rthw_wifi_get_dev(int idx)
{
int mode = rthw_wifi_mode_get();
if (mode == 1) return &wifi_sta;
if (mode == 2) return &wifi_ap;
if (idx == 0) return &wifi_sta;
if (idx == 1) return &wifi_ap;
return RT_NULL;
}
rt_inline int rthw_wifi_get_idx(struct ameba_wifi *wifi)
{
int mode = rthw_wifi_mode_get();
if (mode == 1) return 0;
if (mode == 2) return 0;
return wifi->type;
}
int rthw_wifi_register(struct ameba_wifi *wifi)
{
struct rt_wlan_device *wlan = RT_NULL;
if ((wifi->flag & WIFI_INIT_FLAG) == 0)
{
wlan = rt_malloc(sizeof(struct rt_wlan_device));
RT_ASSERT(wlan != RT_NULL);
if (wifi->type == WIFI_TYPE_STA)
{
rt_wlan_dev_register(wlan, RT_WLAN_DEVICE_STA_NAME, &ops, 0, wifi);
}
if (wifi->type == WIFI_TYPE_AP)
{
rt_wlan_dev_register(wlan, RT_WLAN_DEVICE_AP_NAME, &ops, 0, wifi);
}
wifi->flag |= WIFI_INIT_FLAG;
wifi->wlan = wlan;
LOG_D("F:%s L:%d wifi:0x%08x wlan:0x%08x\n", __FUNCTION__, __LINE__, wifi, wlan);
}
return RT_EOK;
}
void netif_post_sleep_processing(void)
{
}
void netif_pre_sleep_processing(void)
{
}
unsigned char *rltk_wlan_get_ip(int idx)
{
struct ameba_wifi *wifi;
wifi = rthw_wifi_get_dev(idx);
if (wifi == RT_NULL)
return RT_NULL;
LOG_D("F:%s L:%d is run", __FUNCTION__, __LINE__);
/* 这里留空了，会不会炸未知 */
return RT_NULL;
}
int netif_is_valid_IP(int idx, unsigned char *ip_dest)
{
LOG_D("F:%s L:%d is run ip: %d:%d:%d:%d", __FUNCTION__, __LINE__,
ip_dest[0], ip_dest[1], ip_dest[2], ip_dest[3]);
return 1;
}
void rltk_wlan_set_netif_info(int idx, void *dev, rt_uint8_t *dev_addr)
{
struct ameba_wifi *wifi = RT_NULL;
wifi = rthw_wifi_get_dev(idx);
if (wifi == RT_NULL)
return;
LOG_D("F:%s L:%d wifi:0x%08x type:0x%x", __FUNCTION__, __LINE__, wifi, wifi->flag);
rt_memcpy(wifi->dev_addr, dev_addr, 6);
wifi->flag |= WIFI_MAC_FLAG;
rthw_wifi_register(wifi);
LOG_D("wifi type:%d", wifi->type);
LOG_D("idx:%d MAC %02x:%02x:%02x:%02x:%02x:%02x", idx, dev_addr[0], dev_addr[1], dev_addr[2], dev_addr[3], dev_addr[4], dev_addr[5]);
}
static void rtw_connect_callbackfn(char *buf, int len, int flags, void *user_data)
{
struct ameba_wifi *wifi = user_data;
LOG_D("L:%d wifi connect callback flags:%d user_data:%08x", __LINE__, flags, user_data);
if( wifi_is_connected_to_ap() == 0)
{
wifi->connected = 1;
rt_wlan_dev_indicate_event_handle(wifi->wlan, RT_WLAN_DEV_EVT_CONNECT, RT_NULL);
}
}
static void rtw_connect_fail_callbackfn(char *buf, int len, int flags, void *user_data)
{
struct ameba_wifi *wifi = user_data;
LOG_D("L:%d wifi connect callback flags:%d", __LINE__, flags);
wifi->connected = 0;
rt_wlan_dev_indicate_event_handle(wifi->wlan, RT_WLAN_DEV_EVT_CONNECT_FAIL, RT_NULL);
}
static void rtw_disconnect_callbackfn(char *buf, int len, int flags, void *user_data)
{
struct ameba_wifi *wifi = user_data;
LOG_D("L:%d wifi disconnect callback flags:%d", __LINE__, flags);
wifi->connected = 0;
rt_wlan_dev_indicate_event_handle(wifi->wlan, RT_WLAN_DEV_EVT_DISCONNECT, RT_NULL);
}
static void rtw_sta_assoc_callbackfn(char *buf, int len, int flags, void *user_data)
{
LOG_D("L:%d wifi sta assoc callback flags:%d", __LINE__, flags);
}
static void rtw_sta_disassoc_callbackfn(char *buf, int len, int flags, void *user_data)
{
LOG_D("L:%d wifi sta assoc callback flags:%d buf:%08x %08x", __LINE__, flags, *((rt_uint32_t*)buf), *((rt_uint32_t*)buf + 4));
}
void netif_rx(int idx, unsigned int len)
{
struct ameba_wifi *wifi = RT_NULL;
struct sk_buff *skb = RT_NULL;
wifi = rthw_wifi_get_dev(idx);
if (wifi == RT_NULL)
return;
LOG_D("F:%s L:%d idx:%d len:%d", __FUNCTION__, __LINE__, idx, len);
if((!wifi->connected) || (!rltk_wlan_running(idx)))
return;
skb = (struct sk_buff *)rltk_wlan_get_recv_skb(idx);
if(!skb)
{
LOG_D("netif_rx rltk_wlan_get_recv_skb NULL.");
return;
}
rt_wlan_dev_report_data(wifi->wlan, skb->data, len);
}
static rt_wlan_security_t security_map_from_ameba(rthw_security_t security)
{
rt_wlan_security_t result = SECURITY_OPEN;
switch (security)
{
case RTHW_SECURITY_OPEN: result = SECURITY_OPEN; break;
case RTHW_SECURITY_WEP_PSK: result = SECURITY_WEP_PSK; break;
case RTHW_SECURITY_WEP_SHARED: result = SECURITY_WEP_SHARED; break;
case RTHW_SECURITY_WPA_TKIP_PSK: result = SECURITY_WPA_TKIP_PSK; break;
case RTHW_SECURITY_WPA_AES_PSK: result = SECURITY_WPA_AES_PSK; break;
case RTHW_SECURITY_WPA2_AES_PSK: result = SECURITY_WPA2_AES_PSK; break;
case RTHW_SECURITY_WPA2_TKIP_PSK: result = SECURITY_WPA2_TKIP_PSK; break;
case RTHW_SECURITY_WPA2_MIXED_PSK: result = SECURITY_WPA2_MIXED_PSK; break;
case RTHW_SECURITY_WPA_WPA2_MIXED: result = SECURITY_WPA2_AES_PSK; break;
case RTHW_SECURITY_WPS_OPEN: result = SECURITY_WPS_OPEN; break;
case RTHW_SECURITY_WPS_SECURE: result = SECURITY_WPS_SECURE; break;
default: result = -1; break;
}
return result;
}
static rthw_security_t security_map_from_rtthread(rt_wlan_security_t security)
{
rt_wlan_security_t result = RTHW_SECURITY_OPEN;
switch (security)
{
case SECURITY_OPEN: result = RTHW_SECURITY_OPEN; break;
case SECURITY_WEP_PSK: result = RTHW_SECURITY_WEP_PSK; break;
case SECURITY_WEP_SHARED: result = RTHW_SECURITY_WEP_SHARED; break;
case SECURITY_WPA_TKIP_PSK: result = RTHW_SECURITY_WPA_TKIP_PSK; break;
case SECURITY_WPA_AES_PSK: result = RTHW_SECURITY_WPA_AES_PSK; break;
case SECURITY_WPA2_AES_PSK: result = RTHW_SECURITY_WPA2_AES_PSK; break;
case SECURITY_WPA2_TKIP_PSK: result = RTHW_SECURITY_WPA2_TKIP_PSK; break;
case SECURITY_WPA2_MIXED_PSK: result = RTHW_SECURITY_WPA2_MIXED_PSK; break;
case SECURITY_WPS_OPEN: result = RTHW_SECURITY_WPS_OPEN; break;
case SECURITY_WPS_SECURE: result = RTHW_SECURITY_WPS_SECURE; break;
default: result = -1; break;
}
return result;
}
static void rt_ameba_wifi_scan_callback(struct rthw_wlan_info *info, void *user_data)
{
struct rt_wlan_info wlan_info = { 0 };
struct rt_wlan_buff buff;
struct ameba_wifi *wifi = user_data;
if (info == RT_NULL)
{
rt_wlan_dev_indicate_event_handle(wifi->wlan, RT_WLAN_DEV_EVT_SCAN_DONE, RT_NULL);
return;
}
memcpy(&wlan_info.bssid[0], info->bssid, 6);
strncpy(&wlan_info.ssid.val[0], info->ssid, RT_WLAN_SSID_MAX_LEN);
wlan_info.ssid.len = strlen(&wlan_info.ssid.val[0]);
wlan_info.band = info->band == RTHW_802_11_BAND_2_4GHZ ? RTHW_802_11_BAND_2_4GHZ : RTHW_802_11_BAND_5GHZ;
wlan_info.channel = info->channel;
wlan_info.datarate = info->datarate * 1000;
wlan_info.security = security_map_from_ameba(info->security);
wlan_info.rssi = info->rssi;
buff.data = &wlan_info;
buff.len = sizeof(wlan_info);
rt_wlan_dev_indicate_event_handle(wifi->wlan, RT_WLAN_DEV_EVT_SCAN_REPORT, &buff);
}
static void rthw_wlan_monitor_callback(rt_uint8_t *data, int len, void *user_data)
{
rt_wlan_dev_promisc_handler(wifi_sta.wlan, data, len);
}
static rt_err_t rthw_wlan_init (struct rt_wlan_device *wlan)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return RT_EOK;
}
static rt_err_t rthw_wlan_mode (struct rt_wlan_device *wlan, rt_wlan_mode_t mode)
{
struct ameba_wifi *wifi = (struct ameba_wifi *)(wlan->user_data);
LOG_D("F:%s L:%d mode:%d", __FUNCTION__, __LINE__, mode);
if (mode == RT_WLAN_STATION)
{
if (wifi->type != WIFI_TYPE_STA)
{
LOG_D("this wlan not support sta mode");
return -RT_ERROR;
}
}
else if (mode == RT_WLAN_AP)
{
if (wifi->type != WIFI_TYPE_AP)
{
LOG_D("this wlan not support ap mode");
return -RT_ERROR;
}
}
return RT_EOK;
}
static rt_err_t rthw_wlan_scan (struct rt_wlan_device *wlan, struct rt_scan_info *scan_info)
{
struct ameba_wifi *wifi = (struct ameba_wifi *)(wlan->user_data);
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
LOG_D("F:%s L:%d wifi:0x%08x type:0x%x", __FUNCTION__, __LINE__, wifi, wifi->type);
if (wifi->type != WIFI_TYPE_STA)
{
LOG_D("this wlan not support scan mode");
return -RT_ERROR;
}
if (rthw_wifi_mode_get() == RTHW_MODE_NONE)
{
if(rthw_wifi_start(RTHW_MODE_STA_AP) != RT_EOK)
{
LOG_D("L:%d wifistart failed...", __LINE__);
return -1;
}
}
rthw_wifi_scan(rt_ameba_wifi_scan_callback, wifi);
return RT_EOK;
}
static rt_err_t rthw_wlan_join (struct rt_wlan_device *wlan, struct rt_sta_info *sta_info)
{
struct ameba_wifi *wifi = (struct ameba_wifi *)(wlan->user_data);
int result = 0, i;
char *ssid = RT_NULL, *key = RT_NULL;
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
if (wifi->type != WIFI_TYPE_STA)
{
LOG_E("this wlan not support sta mode");
return -RT_ERROR;
}
if ((rthw_wifi_mode_get() != RTHW_MODE_STA) && (rthw_wifi_mode_get() != RTHW_MODE_STA_AP))
{
rthw_wifi_stop();
rt_thread_delay(RT_TICK_PER_SECOND / 10);
if (rthw_wifi_start(RTHW_MODE_STA_AP) != RT_EOK)
{
LOG_E("wifi on failed, join fail");
return -RT_ERROR;
}
}
for (i = 0; i < RT_WLAN_BSSID_MAX_LENGTH; i++)
{
if (sta_info->bssid[i] != 0xff || sta_info->bssid[i] != 0x00)
break;
}
if (i < RT_WLAN_BSSID_MAX_LENGTH)
{
if (sta_info->ssid.len > 0)
ssid = &sta_info->ssid.val[0];
if (sta_info->key.len > 0)
key = &sta_info->key.val[0];
LOG_D("bssid connect bssid: %02x:%02x:%02x:%02x:%02x:%02x ssid:%s ssid_len:%d key:%s key_len%d",
sta_info->bssid[0],sta_info->bssid[1],sta_info->bssid[2],sta_info->bssid[3],sta_info->bssid[4],sta_info->bssid[5],
ssid,
sta_info->ssid.len,
key,
sta_info->key.len
);
result = rthw_wifi_connect_bssid(sta_info->bssid, ssid, sta_info->ssid.len, key, sta_info->key.len, security_map_from_rtthread(sta_info->security));
}
else
{
result = rthw_wifi_connect(sta_info->ssid.val, sta_info->ssid.len, sta_info->key.val, sta_info->key.len, security_map_from_rtthread(sta_info->security));
}
if (result != 0)
{
LOG_E("amebaz_wifi_connect failed...");
return -RT_ERROR;
}
// netif_set_connected((struct ameba_wifi *)wlan, 1);
LOG_D("amebaz_wifi_connect do");
return RT_EOK;
}
static rt_err_t rthw_wlan_softap (struct rt_wlan_device *wlan, struct rt_ap_info *ap_info)
{
struct ameba_wifi *wifi = (struct ameba_wifi *)(wlan->user_data);
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
if (wifi->type != WIFI_TYPE_AP)
{
LOG_E("this wlan not support ap mode");
return -RT_ERROR;
}
if (rthw_wifi_ap_start(&ap_info->ssid.val[0], &ap_info->key.val[0], ap_info->channel) != 0)
{
rt_wlan_dev_indicate_event_handle(wifi->wlan, RT_WLAN_DEV_EVT_AP_STOP, RT_NULL);
wifi->connected = 0;
return -RT_ERROR;
}
rt_wlan_dev_indicate_event_handle(wifi->wlan, RT_WLAN_DEV_EVT_AP_START, RT_NULL);
wifi->connected = 1;
return RT_EOK;
}
static rt_err_t rthw_wlan_disconnect (struct rt_wlan_device *wlan)
{
struct ameba_wifi *wifi = (struct ameba_wifi *)(wlan->user_data);
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
if (wifi->type != WIFI_TYPE_STA)
{
LOG_E("this wlan not support sta mode");
return -RT_ERROR;
}
wifi->connected = 0;
rthw_wifi_sta_disconnect();
rt_wlan_dev_indicate_event_handle(wifi->wlan, RT_WLAN_DEV_EVT_AP_STOP, RT_NULL);
return RT_EOK;
}
static rt_err_t rthw_wlan_ap_stop (struct rt_wlan_device *wlan)
{
struct ameba_wifi *wifi = (struct ameba_wifi *)(wlan->user_data);
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
if (wifi->type != WIFI_TYPE_AP)
{
LOG_E("this wlan not support ap mode");
return -RT_ERROR;
}
rthw_wifi_ap_disconnect();
return RT_EOK;
}
static rt_err_t rthw_wlan_ap_deauth (struct rt_wlan_device *wlan, rt_uint8_t mac[])
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return RT_EOK;
}
static rt_err_t rthw_wlan_scan_stop (struct rt_wlan_device *wlan)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return RT_EOK;
}
static int rthw_wlan_get_rssi (struct rt_wlan_device *wlan)
{
struct ameba_wifi *wifi = (struct ameba_wifi *)(wlan->user_data);
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
if (wifi->type != WIFI_TYPE_STA)
{
LOG_E("this wlan not support sta mode");
return -RT_ERROR;
}
return rthw_wifi_rssi_get();
}
static rt_err_t rthw_wlan_set_powersave (struct rt_wlan_device *wlan, int level)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return RT_EOK;
}
static int rthw_wlan_get_powersave (struct rt_wlan_device *wlan)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return 0;
}
static rt_err_t rthw_wlan_cfg_promisc (struct rt_wlan_device *wlan, rt_bool_t start)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
if(start)
{
rthw_wifi_monitor_callback_set(rthw_wlan_monitor_callback);
rthw_wifi_monitor_enable(1);
}
else
{
rthw_wifi_monitor_callback_set(RT_NULL);
rthw_wifi_monitor_enable(0);
}
return RT_EOK;
}
static rt_err_t rthw_wlan_cfg_filter (struct rt_wlan_device *wlan, struct rt_wlan_filter *filter)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return RT_EOK;
}
static rt_err_t rthw_wlan_set_channel (struct rt_wlan_device *wlan, int channel)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
rthw_wifi_channel_set(channel);
return RT_EOK;
}
static int rthw_wlan_get_channel (struct rt_wlan_device *wlan)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return rthw_wifi_channel_get();
}
static rt_err_t rthw_wlan_set_country (struct rt_wlan_device *wlan, rt_country_code_t country_code)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return RT_EOK;
}
static rt_country_code_t rthw_wlan_get_country (struct rt_wlan_device *wlan)
{
LOG_D("F:%s L:%d\n", __FUNCTION__, __LINE__);
return RT_EOK;
}
static rt_err_t rthw_wlan_set_mac (struct rt_wlan_device *wlan, rt_uint8_t mac[])
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return -RT_ERROR;
}
static rt_err_t rthw_wlan_get_mac (struct rt_wlan_device *wlan, rt_uint8_t mac[])
{
struct ameba_wifi *wifi = (struct ameba_wifi *)wlan->user_data;
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
if(mac == RT_NULL)
{
return -RT_ERROR;
}
memcpy(mac, wifi->dev_addr, MAX_ADDR_LEN);
return RT_EOK;
}
static int rthw_wlan_recv (struct rt_wlan_device *wlan, void *buff, int len)
{
LOG_D("F:%s L:%d", __FUNCTION__, __LINE__);
return RT_EOK;
}
static int rthw_wlan_send (struct rt_wlan_device *wlan, void *buff, int len)
{
struct ameba_wifi *wifi = (struct ameba_wifi *)wlan->user_data;
int idx = rthw_wifi_get_idx(wifi);
rt_base_t level;
struct sk_buff *skb = RT_NULL;
LOG_D("F:%s L:%d len:%d", __FUNCTION__, __LINE__, len);
level = rt_hw_interrupt_disable();
if(!wifi->connected || !rltk_wlan_check_isup(idx))
{
rt_hw_interrupt_enable(level);
return -RT_ERROR;
}
rltk_wlan_tx_inc(idx);
rt_hw_interrupt_enable(level);
skb = (struct sk_buff *)rltk_wlan_alloc_skb(len);
if (skb == RT_NULL)
{
LOG_W("rltk_wlan_alloc_skb NULL for WIFI TX.");
goto exit;
}
/* copy buff to a whole ETH frame */
memcpy(skb->tail, buff, len);
skb_put(skb, len);
rltk_wlan_send_skb(idx, skb);
exit:
level = rt_hw_interrupt_disable();
rltk_wlan_tx_dec(idx);
rt_hw_interrupt_enable(level);
LOG_D("F:%s L:%d end", __FUNCTION__, __LINE__);
return RT_EOK;
}
static const struct rt_wlan_dev_ops ops =
{
.wlan_init = rthw_wlan_init ,
.wlan_mode = rthw_wlan_mode ,
.wlan_scan = rthw_wlan_scan ,
.wlan_join = rthw_wlan_join ,
.wlan_softap = rthw_wlan_softap ,
.wlan_disconnect = rthw_wlan_disconnect ,
.wlan_ap_stop = rthw_wlan_ap_stop ,
.wlan_ap_deauth = rthw_wlan_ap_deauth ,
.wlan_scan_stop = rthw_wlan_scan_stop ,
.wlan_get_rssi = rthw_wlan_get_rssi ,
.wlan_set_powersave = rthw_wlan_set_powersave ,
.wlan_get_powersave = rthw_wlan_get_powersave ,
.wlan_cfg_promisc = rthw_wlan_cfg_promisc ,
.wlan_cfg_filter = rthw_wlan_cfg_filter ,
.wlan_set_channel = rthw_wlan_set_channel ,
.wlan_get_channel = rthw_wlan_get_channel ,
.wlan_set_country = rthw_wlan_set_country ,
.wlan_get_country = rthw_wlan_get_country ,
.wlan_set_mac = rthw_wlan_set_mac ,
.wlan_get_mac = rthw_wlan_get_mac ,
.wlan_recv = rthw_wlan_recv ,
.wlan_send = rthw_wlan_send ,
};
int rthw_wifi_low_init(void)
{
static rt_int8_t _init_flag = 0;
if (_init_flag)
{
return 1;
}
rt_memset(&wifi_sta, 0, sizeof(wifi_sta));
rt_memset(&wifi_ap, 0, sizeof(wifi_ap));
wifi_sta.type = WIFI_TYPE_STA;
wifi_ap.type = WIFI_TYPE_AP;
if(rthw_wifi_start(RTHW_MODE_STA_AP) != RT_EOK)
{
LOG_E("amebaz_wifi_start failed...");
return -1;
}
LOG_I("amebaz_wifi_start success");
LOG_D("F:%s L:%d wifi_sta:0x%08x wifi_ap:0x%08x", __FUNCTION__, __LINE__, &wifi_sta, &wifi_ap);
wifi_reg_event_handler(RTHW_WIFI_EVENT_FOURWAY_HANDSHAKE_DONE, rtw_connect_callbackfn, &wifi_sta);
wifi_reg_event_handler(RTHW_WIFI_EVENT_DISCONNECT, rtw_disconnect_callbackfn, &wifi_sta);
_init_flag = 1;
return 0;
}
INIT_DEVICE_EXPORT(rthw_wifi_low_init);
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