conn_ap.c

/*
 * ESPRSSIF MIT License
 *
 * Copyright (c) 2015 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
 *
 * Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
 * it is free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
 * to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
#include "esp_common.h"
#include "espconn.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "conn_ap.h"

#define DEMO_AP_SSID      "WT_TEST"
#define DEMO_AP_PASSWORD "1234567abc"     
#define SOFT_AP_SSID "DEMO_AP"
#define SOFT_AP_PASSWORD "12345678"

void wifi_handle_event_cb(System_Event_t *evt)
{
    switch (evt->event_id) {
        case EVENT_STAMODE_CONNECTED:
            printf("connect to ssid %s, channel %d\n", evt->event_info.connected.ssid,
                    evt->event_info.connected.channel);
            break;
        case EVENT_STAMODE_DISCONNECTED:
            printf("disconnect from ssid %s, reason %d\n", evt->event_info.disconnected.ssid,
                    evt->event_info.disconnected.reason);
            break;
        case EVENT_STAMODE_AUTHMODE_CHANGE:
            printf("mode: %d -> %d\n", evt->event_info.auth_change.old_mode, evt->event_info.auth_change.new_mode);
            break;
        case EVENT_STAMODE_GOT_IP:
            printf("ip:" IPSTR ",mask:" IPSTR ",gw:" IPSTR, IP2STR(&evt->event_info.got_ip.ip),
                    IP2STR(&evt->event_info.got_ip.mask), IP2STR(&evt->event_info.got_ip.gw));
            printf("\n");
            break;
        case EVENT_SOFTAPMODE_STACONNECTED:
            printf("station: " MACSTR "join, AID = %d\n", MAC2STR(evt->event_info.sta_connected.mac),
                    evt->event_info.sta_connected.aid);
            break;
        case EVENT_SOFTAPMODE_STADISCONNECTED:
            printf("station: " MACSTR "leave, AID = %d\n", MAC2STR(evt->event_info.sta_disconnected.mac),
                    evt->event_info.sta_disconnected.aid);
            break;
        default:
            break;
    }
} 

void conn_ap_init(void)
{
    wifi_set_opmode(STATIONAP_MODE);
    struct station_config config;
    memset(&config, 0, sizeof(config));  //set value of config from address of &config to width of size to be value '0'
    sprintf(config.ssid, DEMO_AP_SSID);
    sprintf(config.password, DEMO_AP_PASSWORD);
    wifi_station_set_config(&config);
    wifi_set_event_handler_cb(wifi_handle_event_cb);
    wifi_station_connect();
}

void soft_ap_init(void)
{
    wifi_set_opmode(SOFTAP_MODE);
    struct softap_config *config = (struct softap_config *) zalloc(sizeof(struct softap_config)); // initialization
    wifi_softap_get_config(config); // Get soft-AP config first.
    sprintf(config->ssid, SOFT_AP_SSID);
    sprintf(config->password, SOFT_AP_PASSWORD);
    config->authmode = AUTH_WPA_WPA2_PSK;
    config->ssid_len = 0; // or its actual SSID length
    config->max_connection = 4;
    wifi_softap_set_config(config); // Set ESP8266 soft-AP config
    free(config);

    struct station_info * station = wifi_softap_get_station_info();
    while (station) {
        printf("bssid : MACSTR, ip : IPSTR/n", MAC2STR(station->bssid), IP2STR(&station->ip));
        station = STAILQ_NEXT(station, next);
    }
    wifi_softap_free_station_info(); // Free it by calling functionss
    wifi_softap_dhcps_stop(); // disable soft-AP DHCP server

    struct ip_info info;
    IP4_ADDR(&info.ip, 192, 168, 5, 1); // set IP
    IP4_ADDR(&info.gw, 192, 168, 5, 1); // set gateway
    IP4_ADDR(&info.netmask, 255, 255, 255, 0); // set netmask
    wifi_set_ip_info(SOFTAP_IF, &info);
    struct dhcps_lease dhcp_lease;
    IP4_ADDR(&dhcp_lease.start_ip, 192, 168, 5, 100);
    IP4_ADDR(&dhcp_lease.end_ip, 192, 168, 5, 105);
    wifi_softap_set_dhcps_lease(&dhcp_lease);
    wifi_softap_dhcps_start(); // enable soft-AP DHCP server
}