CanGrow/Arduino/CanGrow/CanGrow.ino

/*
 * 
 * CanGrow - an OpenSource growcontroller firmware (for cannabis)
 * 
 * 
 * MIT License
 * 
 * Copyright (c) 2024 DeltaLima
 * 
 * Permission is hereby granted, 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.
 *
 */


/*
 *  Libraries include
 */

#include "Arduino.h"

// * ESP8266 *
#ifdef ESP8266
#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>
#endif

// * ESP32 *
#ifdef ESP32

#include <WiFi.h>
#include <AsyncTCP.h>
#endif

// https://github.com/mathieucarbou/ESPAsyncWebServer
#include <ESPAsyncWebServer.h>

// LittleFS filesystem
#include "FS.h"
// arduino-core for esp8266 and esp32
#include "LittleFS.h"

// https://github.com/arduino/ArduinoCore-avr/tree/master/libraries/SPI
#include <SPI.h>
// https://github.com/arduino/ArduinoCore-avr/tree/master/libraries/Wire
#include <Wire.h>

// https://github.com/bblanchon/ArduinoJson
#include <ArduinoJson.h>
// https://github.com/PaulStoffregen/Time
#include <TimeLib.h>



/*
 *  CanGrow platform specific includes
 */

#ifdef ESP8266
#include "include/CanGrow_ESP8266.h"
#endif

#ifdef ESP32
#include "include/CanGrow_ESP32.h"
#endif

/*
 *  CanGrow includes
 */

#include "include/CanGrow.h"
#include "include/CanGrow_Core.h"
#include "include/CanGrow_LittleFS.h"
#include "include/CanGrow_Webserver.h"


void setup() {
  // define output for onboard LED/WIPE pin
  pinMode(PinWIPE, OUTPUT);
  
  // Start Serial
  Serial.begin(115200);

  // Write a line before doing serious output, because before there is some garbage in serial
  // whats get the cursor somewhere over the place
  Serial.println("420");
  Serial.printf(".:: CanGrow firmware v%s build %s starting ::.\n", CANGROW_VER, CANGROW_BUILD);
    
  Serial.print("II To format / factory reset LittleFS, pull GPIO ");
  Serial.print(PinWIPE); 
  Serial.print(" (PinWIPE) to ");
  // we need to invert the default to tell that user the state for an action
  Serial.print(1 - PinWIPE_default);
  Serial.println(" - NOW! (2 seconds left) II");

  
  // blink with the onboard LED on D4/GPIO2 (PinWIPE)
  for(byte i = 0; i <= 6 ; i++) {
    if(i % 2) {
      digitalWrite(PinWIPE, LOW);
    } else {
      digitalWrite(PinWIPE, HIGH);
    }
    delay(333);
  }
  
  // set PinWIPE back to its default
  digitalWrite(PinWIPE, PinWIPE_default);
  

  // read status from PinWIPE to WIPE
  // when PinWIPE is set to LOW, format LittleFS
  if(digitalRead(PinWIPE) != PinWIPE_default) {
    LFS_format();
    Panic();
  }


  LFS_init();
  LoadConfig();

  if(strlen(configWifi.ssid)  == 0) {
    Serial.println(":: [SETUP] configWifi.ssid is empty, creating access point");
    WifiAP();
  } else {
    Serial.printf(":: [SETUP] configWifi.ssid is set, connecting to ssid: %s\n", configWifi.ssid);
    WifiConnect();
  }
  
  SetupWebserver();
  
}

bool alrdySaved = false;

void loop() {
  if((digitalRead(PinWIPE) != PinWIPE_default) && (alrdySaved == false)) {
    Serial.println(":: [LOOP] PinWIPE is triggered, saving config.json and set configSystem.httpLogSerial to true");
    configSystem.httpLogSerial = true;
    // save config to littlefs as json
    SaveConfig();
    // only print json to serial
    SaveConfig(true);
    alrdySaved = true;
  } else if(  (digitalRead(PinWIPE) != PinWIPE_default) && (alrdySaved == true)    ) {
    alrdySaved = true;
  } else {
    alrdySaved = false;
  }
}