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.
 *
 */
 
 
/*
 *  CanGrow includes
 */

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

/*
 *  Libraries
 */

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

// * ESP32 *
#ifdef ESP32
#include <WiFi.h>
#include "AsyncTCP.h"
#endif

// 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/lacamera/ESPAsyncWebServer
#include <ESPAsyncWebServer.h>
// https://github.com/bblanchon/ArduinoJson
#include <ArduinoJson.h>
// https://github.com/PaulStoffregen/Time
#include <TimeLib.h>
#include "FS.h"
// arduino-core for esp8266 and esp32
#include "LittleFS.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.print(".:: CanGrow firmware v");
  Serial.print(CanGrowVer);
  Serial.print(" build ");
  Serial.print(CanGrowBuild);
  Serial.println(" starting ::.");

  
  Serial.print(":: To format LittleFS, pull ");
  Serial.print(PinWIPE); 
  Serial.println("(PinWIPE) to LOW - NOW! (2 seconds left) ::");
  
  // blink with the onboard LED on D4 (PinWIPE)
  for(byte i = 0; i <= 6 ; i++) {
    if(i % 2) {
      digitalWrite(PinWIPE, LOW);
    } else {
      digitalWrite(PinWIPE, HIGH);
    }
    delay(333);
  }
  
  #ifdef ESP8266
  // set back to HIGH because thats the default on esp8266
  digitalWrite(PinWIPE, HIGH);
  #endif
  #ifdef ESP32
  // set back to HIGH because thats the default esp32
  digitalWrite(PinWIPE, LOW);
  #endif
  

  // read status from PinWIPE to WIPE
  // when PinWIPE is set to LOW, format LittleFS
  
  #ifdef ESP8266
  if(digitalRead(PinWIPE) == LOW) {
  #endif
  #ifdef ESP32
  if(digitalRead(PinWIPE) == HIGH) {
  #endif
    Serial.println("!! formatting LittleFS !!");
    LittleFS.format();
    Panic();
  }


  Serial.println(":: initialise LittleFS ::");  
  if(LittleFS.begin()) {
    Serial.println(":: LittleFS: successfully initialised");
  } else {
    Serial.println("!! LittleFS: failed initialising !!");
  }
  
  // read the configfile from LittleFS
  File lfs_configfile = LittleFS.open(configfile, "r");
  if(!lfs_configfile) {
    Serial.println("!! LittleFS: config.json not found, creating it !!");
    lfs_configfile = LittleFS.open(configfile, "w");
    if(lfs_configfile) {
      Serial.println(":: LittleFS: config.json successfully created");
      // write into the file
      lfs_configfile.print("{test: }");
      // close the file
      lfs_configfile.close();
    }
  } else {
    Serial.println(":: LittleFS: config.json successfully opened");
    String configfile_content = "";
    
    while (lfs_configfile.available()) {
      configfile_content += (char)lfs_configfile.read();
    }
    
    Serial.println("-- LittleFS: config.json content --");
    Serial.println(configfile_content);
    Serial.println("-- LittleFS: config.json end --");
  }
  
}

void loop() {
  
}