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https://github.com/xushoucai/RTL8710_SDK_GCC_VERSION.git
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GCC SDK RTL8710 basic version (including the window platform cygwin installation and Ubuntu platform Linux Installation routines),
including cross compilation of the installation, compile, link, run, debug, and so on. SDK implementation of the function: 1, WiFi connection settings (including AP mode and STA mode). 2, peripheral resource control (including GPIO, SPI, UART, IIC, etc.). 3, the user uses the sample method.
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RtlduinoMan
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2015 Realtek Corporation. All rights reserved.
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*
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*
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******************************************************************************/
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/** @file
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This example demonstrate how to implement wifi fast reconnection
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**/
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#include <platform_opts.h>
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#include <wlan_fast_connect/example_wlan_fast_connect.h>
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#include "task.h"
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#include <platform/platform_stdlib.h>
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#include <wifi/wifi_conf.h>
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#include "flash_api.h"
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#include "device_lock.h"
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#include <lwip_netconf.h>
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write_reconnect_ptr p_write_reconnect_ptr;
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/*
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* Usage:
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* wifi connection indication trigger this function to save current
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* wifi profile in flash
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*
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* Condition:
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* CONFIG_EXAMPLE_WLAN_FAST_CONNECT flag is set
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*/
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int wlan_wrtie_reconnect_data_to_flash(u8 *data, uint32_t len)
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{
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flash_t flash;
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struct wlan_fast_reconnect read_data = {0};
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if(!data)
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return -1;
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device_mutex_lock(RT_DEV_LOCK_FLASH);
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flash_stream_read(&flash, FAST_RECONNECT_DATA, sizeof(struct wlan_fast_reconnect), (u8 *) &read_data);
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#if ATCMD_VER == ATVER_2
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struct wlan_fast_reconnect *copy_data = (struct wlan_fast_reconnect *) data;
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copy_data->enable = read_data.enable;
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#endif
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//wirte it to flash if different content: SSID, Passphrase, Channel, Security type
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if(memcmp(data, (u8 *) &read_data, sizeof(struct wlan_fast_reconnect)) != 0) {
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printf("\r\n %s():not the same ssid/passphrase/channel, write new profile to flash", __func__);
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flash_erase_sector(&flash, FAST_RECONNECT_DATA);
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flash_stream_write(&flash, FAST_RECONNECT_DATA, len, (uint8_t *) data);
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}
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device_mutex_unlock(RT_DEV_LOCK_FLASH);
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return 0;
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}
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/*
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* Usage:
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* After wifi init done, waln driver call this function to check whether
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* auto-connect is required.
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*
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* This function read previous saved wlan profile in flash and execute connection.
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*
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* Condition:
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* CONFIG_EXAMPLE_WLAN_FAST_CONNECT flag is set
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*/
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int wlan_init_done_callback()
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{
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flash_t flash;
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struct wlan_fast_reconnect *data;
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uint32_t channel;
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uint32_t security_type;
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uint8_t pscan_config;
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char key_id[2] = {0};
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rtw_network_info_t wifi = {
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{0}, // ssid
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{0}, // bssid
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0, // security
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NULL, // password
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0, // password len
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-1 // key id
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};
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#if CONFIG_AUTO_RECONNECT
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//setup reconnection flag
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wifi_set_autoreconnect(1);
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#endif
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data = (struct wlan_fast_reconnect *)rtw_zmalloc(sizeof(struct wlan_fast_reconnect));
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if(data){
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device_mutex_lock(RT_DEV_LOCK_FLASH);
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flash_stream_read(&flash, FAST_RECONNECT_DATA, sizeof(struct wlan_fast_reconnect), (uint8_t *)data);
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device_mutex_unlock(RT_DEV_LOCK_FLASH);
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memcpy(psk_essid, data->psk_essid, sizeof(data->psk_essid));
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memcpy(psk_passphrase, data->psk_passphrase, sizeof(data->psk_passphrase));
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memcpy(wpa_global_PSK, data->wpa_global_PSK, sizeof(data->wpa_global_PSK));
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channel = data->channel;
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sprintf(key_id,"%d",(char) (channel>>28));
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channel &= 0xff;
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security_type = data->security_type;
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pscan_config = PSCAN_ENABLE | PSCAN_FAST_SURVEY;
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//set partial scan for entering to listen beacon quickly
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wifi_set_pscan_chan((uint8_t *)&channel, &pscan_config, 1);
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wifi.security_type = security_type;
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//SSID
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strcpy((char *)wifi.ssid.val, (char*)psk_essid);
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wifi.ssid.len = strlen((char*)psk_essid);
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switch(security_type){
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case RTW_SECURITY_WEP_PSK:
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wifi.password = (unsigned char*) psk_passphrase;
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wifi.password_len = strlen((char*)psk_passphrase);
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wifi.key_id = atoi((const char *)key_id);
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break;
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case RTW_SECURITY_WPA_TKIP_PSK:
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case RTW_SECURITY_WPA2_AES_PSK:
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wifi.password = (unsigned char*) psk_passphrase;
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wifi.password_len = strlen((char*)psk_passphrase);
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break;
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default:
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break;
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}
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wifi_connect((char*)wifi.ssid.val, wifi.security_type, (char*)wifi.password, wifi.ssid.len,
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wifi.password_len, wifi.key_id, NULL);
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LwIP_DHCP(0, DHCP_START);
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rtw_mfree(data);
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}
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return 0;
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}
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int Erase_Fastconnect_data(){
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flash_t flash;
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device_mutex_lock(RT_DEV_LOCK_FLASH);
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flash_erase_sector(&flash, FAST_RECONNECT_DATA);
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device_mutex_unlock(RT_DEV_LOCK_FLASH);
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return 0;
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}
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void example_wlan_fast_connect()
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{
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// Call back from wlan driver after wlan init done
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p_wlan_init_done_callback = wlan_init_done_callback;
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// Call back from application layer after wifi_connection success
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p_write_reconnect_ptr = wlan_wrtie_reconnect_data_to_flash;
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}
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#ifndef __EXAMPLE_FAST_RECONNECTION_H__
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#define __EXAMPLE_FAST_RECONNECTION_H__
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2015 Realtek Corporation. All rights reserved.
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*
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*
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******************************************************************************/
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#include "FreeRTOS.h"
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#include <autoconf.h>
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#include "main.h"
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#define IW_PASSPHRASE_MAX_SIZE 64
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//#define FAST_RECONNECT_DATA (0x80000 - 0x1000)
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#define NDIS_802_11_LENGTH_SSID 32
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#define A_SHA_DIGEST_LEN 20
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struct wlan_fast_reconnect {
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unsigned char psk_essid[NDIS_802_11_LENGTH_SSID + 4];
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unsigned char psk_passphrase[IW_PASSPHRASE_MAX_SIZE + 1];
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unsigned char wpa_global_PSK[A_SHA_DIGEST_LEN * 2];
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uint32_t channel;
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uint32_t security_type;
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#if ATCMD_VER == ATVER_2
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uint32_t enable;
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#endif
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};
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typedef int (*wlan_init_done_ptr)(void);
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typedef int (*write_reconnect_ptr)(uint8_t *data, uint32_t len);
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//Variable
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extern unsigned char psk_essid[NET_IF_NUM][NDIS_802_11_LENGTH_SSID+4];
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extern unsigned char psk_passphrase[NET_IF_NUM][IW_PASSPHRASE_MAX_SIZE + 1];
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extern unsigned char wpa_global_PSK[NET_IF_NUM][A_SHA_DIGEST_LEN * 2];
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extern unsigned char psk_passphrase64[IW_PASSPHRASE_MAX_SIZE + 1];
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//Function
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extern wlan_init_done_ptr p_wlan_init_done_callback;
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extern write_reconnect_ptr p_write_reconnect_ptr;
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void example_wlan_fast_connect(void);
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#endif //#ifndef __EXAMPLE_FAST_RECONNECTION_H__
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