libs/rt-thread-official
libs
/
rt-thread-official
mirror of https://github.com/RT-Thread/rt-thread.git
4
0
Fork 0
Code Issues Releases Wiki Activity
rt-thread-official/bsp/ESP32_C3/drivers/drv_wifi.c

361 lines
11 KiB
C
Raw Blame History

/*
* Copyright (c) 2019 Winner Microelectronics Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-07-25 WCX1024979076 1st version
*/
#include <rtthread.h>
#include <string.h>
#include <rtdevice.h>
#ifdef RT_USING_WIFI
#include "drv_wifi.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_timer.h"
#include "nvs_flash.h"
#include "esp_private/wifi.h"
#define DBG_LEVEL DBG_LOG
#define LOG_TAG "DRV.WIFI"
#include <rtdbg.h>
#define MAX_ADDR_LEN (6)
struct drv_wifi
{
struct rt_wlan_device *wlan;
wifi_interface_t wifi_if;
rt_uint8_t dev_addr[MAX_ADDR_LEN];
};
static const struct rt_wlan_dev_ops ops;
static struct drv_wifi wifi_sta;
static struct drv_wifi wifi_ap;
#define EXAMPLE_ESP_MAXIMUM_RETRY 5
#define DEFAULT_SCAN_LIST_SIZE 3
static int s_retry_num = 0;
wifi_ap_record_t ap_info[DEFAULT_SCAN_LIST_SIZE];
static rt_err_t drv_wlan_scan_stop(struct rt_wlan_device *wlan);
static void wifi_event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data)
{
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_AP_START) {
rt_wlan_dev_indicate_event_handle(wifi_ap.wlan, RT_WLAN_DEV_EVT_AP_START, RT_NULL);
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_AP_STOP) {
rt_wlan_dev_indicate_event_handle(wifi_ap.wlan, RT_WLAN_DEV_EVT_AP_STOP, RT_NULL);
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_AP_STACONNECTED) {
wifi_event_ap_staconnected_t *event = (wifi_event_ap_staconnected_t *) event_data;
rt_wlan_dev_indicate_event_handle(wifi_ap.wlan, RT_WLAN_DEV_EVT_AP_ASSOCIATED, RT_NULL);
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_AP_STADISCONNECTED) {
wifi_event_ap_stadisconnected_t *event = (wifi_event_ap_stadisconnected_t *) event_data;
rt_wlan_dev_indicate_event_handle(wifi_ap.wlan, RT_WLAN_DEV_EVT_AP_DISASSOCIATED, RT_NULL);
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
esp_wifi_connect();
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_CONNECTED) {
rt_wlan_dev_indicate_event_handle(wifi_sta.wlan, RT_WLAN_DEV_EVT_CONNECT, RT_NULL);
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
if (s_retry_num < EXAMPLE_ESP_MAXIMUM_RETRY) {
esp_wifi_connect();
s_retry_num++;
} else {
rt_wlan_dev_indicate_event_handle(wifi_sta.wlan, RT_WLAN_DEV_EVT_CONNECT_FAIL, RT_NULL);
}
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_SCAN_DONE) {
drv_wlan_scan_stop(RT_NULL);
}
}
static esp_err_t wifi_sta_receive(void *buffer, uint16_t len, void *eb)
{
rt_wlan_dev_report_data(wifi_sta.wlan, buffer, len);
return RT_EOK;
}
static esp_err_t wifi_ap_receive(void *buffer, uint16_t len, void *eb)
{
rt_wlan_dev_report_data(wifi_ap.wlan, buffer, len);
return RT_EOK;
}
void wifi_init_sta(void)
{
}
void wifi_init_softap(void)
{
}
/* Initialize Wi-Fi as sta and set scan method */
static rt_err_t drv_wlan_scan(struct rt_wlan_device *wlan, struct rt_scan_info *scan_info)
{
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_start());
esp_wifi_scan_start(NULL, false);
}
static rt_err_t drv_wlan_init(struct rt_wlan_device *wlan)
{
// 初始化时钟以及事件处理
esp_timer_init();
esp_event_loop_create_default();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
esp_event_handler_instance_t instance_any_id;
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&wifi_event_handler,
NULL,
&instance_any_id));
// 注册收到内容回调
ESP_ERROR_CHECK(esp_wifi_internal_reg_rxcb(WIFI_IF_STA, wifi_sta_receive));
ESP_ERROR_CHECK(esp_wifi_internal_reg_rxcb(WIFI_IF_AP, wifi_ap_receive));
return RT_EOK;
}
static rt_err_t drv_wlan_mode(struct rt_wlan_device *wlan, rt_wlan_mode_t mode)
{
if (mode == RT_WLAN_STATION) {
wifi_init_sta();
} else {
wifi_init_softap();
}
return RT_EOK;
}
static rt_err_t drv_wlan_join(struct rt_wlan_device *wlan, struct rt_sta_info *sta_info)
{
wifi_config_t wifi_config = {
.sta = {
.ssid = "",
.password = "",
/* Authmode threshold resets to WPA2 as default if password matches WPA2 standards (pasword len => 8).
* If you want to connect the device to deprecated WEP/WPA networks, Please set the threshold value
* to WIFI_AUTH_WEP/WIFI_AUTH_WPA_PSK and set the password with length and format matching to
* WIFI_AUTH_WEP/WIFI_AUTH_WPA_PSK standards.
*/
.threshold.authmode = WIFI_AUTH_WPA_WPA2_PSK,
.sae_pwe_h2e = WPA3_SAE_PWE_BOTH,
},
};
rt_memcpy(wifi_config.sta.ssid, sta_info->ssid.val, sta_info->ssid.len);
rt_memcpy(wifi_config.sta.password, sta_info->key.val, sta_info->key.len);
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
return RT_EOK;
}
static rt_err_t drv_wlan_softap(struct rt_wlan_device *wlan, struct rt_ap_info *ap_info)
{
wifi_config_t wifi_config = {
.ap = {
.ssid = "",
.ssid_len = 0,
.channel = 3,
.password = "",
.max_connection = 3,
.authmode = WIFI_AUTH_WPA_WPA2_PSK,
.pmf_cfg = {
.required = false,
},
},
};
rt_memcpy(wifi_config.ap.ssid, ap_info->ssid.val, ap_info->ssid.len);
rt_memcpy(wifi_config.ap.password, ap_info->key.val, ap_info->key.len);
wifi_config.ap.ssid_len = ap_info->ssid.len;
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
drv_wlan_scan_stop(RT_NULL);
return RT_EOK;
}
static rt_err_t drv_wlan_disconnect(struct rt_wlan_device *wlan)
{
ESP_ERROR_CHECK(esp_wifi_disconnect());
return RT_EOK;
}
static rt_err_t drv_wlan_ap_stop(struct rt_wlan_device *wlan)
{
return RT_EOK;
}
static rt_err_t drv_wlan_ap_deauth(struct rt_wlan_device *wlan, rt_uint8_t mac[])
{
return RT_EOK;
}
static rt_err_t drv_wlan_scan_stop(struct rt_wlan_device *wlan)
{
struct rt_wlan_info wlan_info;
struct rt_wlan_buff buff;
uint16_t number = DEFAULT_SCAN_LIST_SIZE;
uint16_t ap_count = 0;
memset(ap_info, 0, sizeof(ap_info));
ESP_ERROR_CHECK(esp_wifi_scan_get_ap_records(&number, ap_info));
ESP_ERROR_CHECK(esp_wifi_scan_get_ap_num(&ap_count));
for (int i = 0; (i < DEFAULT_SCAN_LIST_SIZE) && (i < ap_count); i++) {
rt_memset(&wlan_info, 0, sizeof(wlan_info));
rt_memcpy(&wlan_info.bssid[0], ap_info[i].bssid, 6);
rt_memcpy(wlan_info.ssid.val, ap_info[i].ssid , strlen(ap_info[i].ssid));
wlan_info.ssid.len = strlen(ap_info[i].ssid);
wlan_info.hidden = 0;
wlan_info.channel = (rt_int16_t)ap_info[i].primary;
wlan_info.rssi = -(char)(0x100 - ap_info[i].rssi);
wlan_info.band = RT_802_11_BAND_2_4GHZ;
wlan_info.security = SECURITY_UNKNOWN;
buff.data = &wlan_info;
buff.len = sizeof(wlan_info);
rt_wlan_dev_indicate_event_handle(wifi_sta.wlan, RT_WLAN_DEV_EVT_SCAN_REPORT, &buff);
}
esp_wifi_scan_stop();
return RT_EOK;
}
static int drv_wlan_get_rssi(struct rt_wlan_device *wlan)
{
return 0;
}
static rt_err_t drv_wlan_set_powersave(struct rt_wlan_device *wlan, int level)
{
return RT_EOK;
}
static int drv_wlan_get_powersave(struct rt_wlan_device *wlan)
{
return 0;
}
static rt_err_t drv_wlan_cfg_promisc(struct rt_wlan_device *wlan, rt_bool_t start)
{
return RT_EOK;
}
static rt_err_t drv_wlan_cfg_filter(struct rt_wlan_device *wlan, struct rt_wlan_filter *filter)
{
return -RT_EINVAL;/* not support */
}
static rt_err_t drv_wlan_set_channel(struct rt_wlan_device *wlan, int channel)
{
return RT_EOK;
}
static int drv_wlan_get_channel(struct rt_wlan_device *wlan)
{
return 0;
}
static rt_err_t drv_wlan_set_country(struct rt_wlan_device *wlan, rt_country_code_t country_code)
{
return RT_EOK;
}
static rt_country_code_t drv_wlan_get_country(struct rt_wlan_device *wlan)
{
return 0; //RT_EOK;
}
static rt_err_t drv_wlan_set_mac(struct rt_wlan_device *wlan, rt_uint8_t mac[])
{
return RT_EOK;
}
static rt_err_t drv_wlan_get_mac(struct rt_wlan_device *wlan, rt_uint8_t mac[])
{
return RT_EOK;
}
static int drv_wlan_recv(struct rt_wlan_device *wlan, void *buff, int len)
{
return RT_EOK;
}
static int drv_wlan_send(struct rt_wlan_device *wlan, void *buff, int len)
{
struct drv_wifi* wifi = wlan->user_data;
esp_wifi_internal_tx(wifi->wifi_if, buff, len);
return RT_EOK;
}
static const struct rt_wlan_dev_ops ops =
{
.wlan_init = drv_wlan_init,
.wlan_mode = drv_wlan_mode,
.wlan_scan = drv_wlan_scan,
.wlan_join = drv_wlan_join,
.wlan_softap = drv_wlan_softap,
.wlan_disconnect = drv_wlan_disconnect,
.wlan_ap_stop = drv_wlan_ap_stop,
.wlan_ap_deauth = drv_wlan_ap_deauth,
.wlan_scan_stop = drv_wlan_scan_stop,
.wlan_get_rssi = drv_wlan_get_rssi,
.wlan_set_powersave = drv_wlan_set_powersave,
.wlan_get_powersave = drv_wlan_get_powersave,
.wlan_cfg_promisc = drv_wlan_cfg_promisc,
.wlan_cfg_filter = drv_wlan_cfg_filter,
.wlan_set_channel = drv_wlan_set_channel,
.wlan_get_channel = drv_wlan_get_channel,
.wlan_set_country = drv_wlan_set_country,
.wlan_get_country = drv_wlan_get_country,
.wlan_set_mac = drv_wlan_set_mac,
.wlan_get_mac = drv_wlan_get_mac,
.wlan_recv = drv_wlan_recv,
.wlan_send = drv_wlan_send,
};
int rt_hw_wifi_init(void)
{
// 初始化nvs_flash
esp_err_t esp_ret = nvs_flash_init();
if (esp_ret == ESP_ERR_NVS_NO_FREE_PAGES || esp_ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
ESP_ERROR_CHECK(nvs_flash_erase());
esp_ret = nvs_flash_init();
}
ESP_ERROR_CHECK(esp_ret);
// 向系统注册
static struct rt_wlan_device wlan;
static struct rt_wlan_device wlan2;
rt_memset(&wifi_sta, 0, sizeof(wifi_sta));
wifi_sta.wifi_if = WIFI_IF_STA;
rt_err_t ret = rt_wlan_dev_register(&wlan, RT_WLAN_DEVICE_STA_NAME, &ops, 0, &wifi_sta);
wifi_sta.wlan = &wlan;
rt_memset(&wifi_ap, 0, sizeof(wifi_ap));
wifi_ap.wifi_if = WIFI_IF_AP;
ret |= rt_wlan_dev_register(&wlan2, RT_WLAN_DEVICE_AP_NAME, &ops, 0, &wifi_ap);
wifi_ap.wlan = &wlan2;
return ret;
}
INIT_DEVICE_EXPORT(rt_hw_wifi_init);
#endif /* RT_USING_WIFI */
View Git Blame Copy Permalink