RadWifi.cpp

#include <Arduino.h>
#include <ESP8266WiFi.h>

#include <RadConfig.h>
#include <RadLED.h>
#include <RadWifi.h>
#include <RadLED.h>

RadWiFi::RadWiFi(RadConfig config) {
     _config = config;
}

void RadWiFi::connect() {
    // The devices first digits are the last digits of the IP Address
    int first_digits = _config.device_id.substring(0, 3).toInt();
    IPAddress this_ip(_config.gateway[0], _config.gateway[1], _config.gateway[2], first_digits);

    // Turn off broadcoasting.
    WiFi.mode(WIFI_STA);
    // Set static IP
    WiFi.config(this_ip, _config.gateway_ip(), _config.gateway_ip());
    WiFi.hostname(_config.device_id);
    _config.log("[WIFI] Connecting to " + String(_config.wifi_ssid));
    WiFi.begin(_config.wifi_ssid, _config.wifi_password);

    int counter = 0;
    while (WiFi.status() != WL_CONNECTED) {
        // It's tried too many times, restart the machine
        // This is used because for some reason some of my devices will just loose wifi connectivity and never connect
        // again
        if (counter > _config.restart_after_failed_wifi_attempts) {
            Serial.println("[WIFI] Restarting");
            ESP.restart();
        }

        Serial.print(".");

        // Flash the internal LED while its connecting.
        _config.led.flash(1, 100, 100);
        counter++;
    }

    _config.log("\n[WIFI] Connected!!");

    IPAddress ip = WiFi.localIP();
    _config.log("[WIFI] IP Address: " + String(ip[0]) + "." + String(ip[1]) + "." + String(ip[2]) + "." + String(ip[3]));

    // Connected! 2 success flashes
    delay(1000);
    _config.led.flash(2, 500, 500);
    delay(1000);

    _wifi_last_check = millis();
}

void RadWiFi::loop() {
    // 5 minutes
    if (millis() - _wifi_last_check > 300000) {
        if (WiFi.status() != WL_CONNECTED) {
            _config.log("[WIFI] Disconnected");
            connect();
        }
        _wifi_last_check = millis();
    }
}