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https://github.com/RT-Thread/rt-thread.git
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[DeviceDrivers] Add wifi device/cmd.
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bernard
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from building import *
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cwd = GetCurrentDir()
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src = Glob('*.c')
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CPPPATH = [cwd]
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group = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_WIFI'], CPPPATH = CPPPATH)
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Return('group')
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#ifndef WLAN_CMD_H__
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#define WLAN_CMD_H__
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struct netif;
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int wifi_get_mode(void);
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int wifi_set_mode(int mode);
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/* do the wifi default action: read wifi setting and then join or start soft-AP */
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int wifi_default(void);
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/* setup netif for soft-ap */
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int wifi_softap_setup_netif(struct netif *netif);
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int wifi_set_setting(const char* ssid, const char* pwd);
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int wifi_read_cfg(const char* filename);
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int wifi_save_cfg(const char* filename);
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/* save wifi setting with default storage file */
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int wifi_save_setting(void);
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extern struct rt_wlan_info info;
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#endif
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/*
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* RT-Thread Wi-Fi Device
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*
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* COPYRIGHT (C) 2014 - 2015, Shanghai Real-Thread Technology Co., Ltd
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*
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* This file is part of RT-Thread (http://www.rt-thread.org)
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*
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* All rights reserved.
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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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* 2014-09-11 Bernard the first verion
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*/
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#ifndef WIFI_DEVICE_H__
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#define WIFI_DEVICE_H__
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#include <stdint.h>
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#include <netif/ethernetif.h>
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typedef enum
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{
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WIFI_STATION,
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WIFI_AP,
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} rt_wlan_mode_t;
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typedef enum
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{
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WIFI_INIT = 0x10,
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WIFI_SCAN, /* trigger scanning (list cells) */
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WIFI_JOIN,
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WIFI_EASYJOIN, /* join network with less information */
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WIFI_SOFTAP, /* start soft-AP */
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WIFI_DISCONNECT,
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WIFI_GET_RSSI, /* get sensitivity (dBm) */
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WIFI_ENTER_POWERSAVE,
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} rt_wlan_cmd_t;
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typedef enum
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{
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WIFI_PWR_OFF,
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WIFI_PWR_SLEEP,
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WIFI_PWR_NORMAL
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} rt_wlan_powersave_t;
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#define SHARED_ENABLED 0x00008000
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#define WPA_SECURITY 0x00200000
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#define WPA2_SECURITY 0x00400000
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#define WPS_ENABLED 0x10000000
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#define WEP_ENABLED 0x0001
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#define TKIP_ENABLED 0x0002
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#define AES_ENABLED 0x0004
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#define WSEC_SWFLAG 0x0008
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#define KEY_ARRAY_SIZE 32
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/**
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* Enumeration of Wi-Fi security modes
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*/
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typedef enum
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{
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SECURITY_OPEN = 0, /**< Open security */
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SECURITY_WEP_PSK = WEP_ENABLED, /**< WEP Security with open authentication */
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SECURITY_WEP_SHARED = ( WEP_ENABLED | SHARED_ENABLED ), /**< WEP Security with shared authentication */
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SECURITY_WPA_TKIP_PSK = ( WPA_SECURITY | TKIP_ENABLED ), /**< WPA Security with TKIP */
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SECURITY_WPA_AES_PSK = ( WPA_SECURITY | AES_ENABLED ), /**< WPA Security with AES */
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SECURITY_WPA2_AES_PSK = ( WPA2_SECURITY | AES_ENABLED ), /**< WPA2 Security with AES */
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SECURITY_WPA2_TKIP_PSK = ( WPA2_SECURITY | TKIP_ENABLED ), /**< WPA2 Security with TKIP */
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SECURITY_WPA2_MIXED_PSK = ( WPA2_SECURITY | AES_ENABLED | TKIP_ENABLED ), /**< WPA2 Security with AES & TKIP */
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SECURITY_WPS_OPEN = WPS_ENABLED, /**< WPS with open security */
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SECURITY_WPS_SECURE = (WPS_ENABLED | AES_ENABLED), /**< WPS with AES security */
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SECURITY_UNKNOWN = -1, /**< May be returned by scan function if security is unknown.
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Do not pass this to the join function! */
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} rt_wlan_security_t;
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typedef enum
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{
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WIFI_EVT_LINK_DOWN,
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WIFI_EVT_LINK_UP,
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}rt_wlan_event_t;
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/* wifi network information */
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struct rt_wlan_info
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{
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rt_wlan_mode_t mode; /* wifi mode */
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rt_wlan_security_t security;
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char *ssid;
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uint8_t bssid[6];
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/* maximal data rate */
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uint32_t datarate;
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/* radio channel */
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uint16_t channel;
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/* signal strength */
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int16_t rssi;
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};
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struct rt_wlan_info_request
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{
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uint16_t req_number; /* the number of information item for request */
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uint16_t rsp_number; /* the number of information item for response */
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struct rt_wlan_info *infos;/* the array of information to save response */
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};
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struct rt_wlan_device;
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typedef void (*rt_wlan_event_handler)(struct rt_wlan_device* device, rt_wlan_event_t event, void* user_data);
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struct rt_wlan_device
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{
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struct eth_device parent;
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struct rt_wlan_info* info;
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char key[KEY_ARRAY_SIZE + 1];
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rt_wlan_event_handler handler;
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void* user_data;
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int interface;
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};
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/*
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* Wi-Fi Information APIs
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*/
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void rt_wlan_info_init(struct rt_wlan_info* info, rt_wlan_mode_t mode, rt_wlan_security_t security,
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char *ssid);
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void rt_wlan_info_deinit(struct rt_wlan_info* info);
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/*
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* Wi-Fi Manager APIs
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*/
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int rt_wlan_init(struct rt_wlan_device* device, rt_wlan_mode_t mode);
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int rt_wlan_connect(struct rt_wlan_device* device, struct rt_wlan_info* info,
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char *password);
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int rt_wlan_disconnect(struct rt_wlan_device* device);
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int rt_wlan_softap(struct rt_wlan_device* device, struct rt_wlan_info* info,
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char *password);
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/* set wifi information for AP */
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int rt_wlan_set_info(struct rt_wlan_device* device, struct rt_wlan_info* info);
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/* get wifi information for AP */
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struct rt_wlan_info *rt_wlan_get_info(struct rt_wlan_device* device);
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/* get the AP result which were scaned in station */
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int rt_wlan_scan(struct rt_wlan_device* device, struct rt_wlan_info *infos, int item_sz);
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/* get rssi */
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int rt_wlan_get_rssi(struct rt_wlan_device* device);
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/* Get/Set MAC */
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int rt_wlan_get_mac(struct rt_wlan_device* device,rt_uint8_t hwaddr[6]);
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int rt_wlan_set_mac(struct rt_wlan_device* device,rt_uint8_t hwaddr[6]);
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/* enter power save level */
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int rt_wlan_enter_powersave(struct rt_wlan_device* device, int level);
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void rt_wlan_set_event_callback(struct rt_wlan_device* device, rt_wlan_event_handler handler,
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void *user_data);
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#endif
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