LED-MORSE-OTA

#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>

#include <ESP8266HTTPClient.h>
#include <ESP8266httpUpdate.h>

#define USE_SERIAL Serial

ESP8266WiFiMulti WiFiMulti;


int dotLength = 100;
int dashLength = dotLength * 3;
int elemPause = dotLength;
int Spaces = dotLength * 3;
int wordPause = dotLength * 7;

const int FW_VERSION = 3;
const char* fingerprint = "AD 1E 0A D7 91 9E 7C 5D 43 25 A9 91 AB 28 90 9E 9F 13 24 C9";
const char* fwUrlBase = "https://839d.k.time4vps.cloud/firmware/";
const char* fwDevice = "deviceled1";

char stringToMorseCode[] = "Some new message";

void setup() {
  USE_SERIAL.begin(115200);
  USE_SERIAL.setDebugOutput(true);

  pinMode(LED_BUILTIN, OUTPUT);
  USE_SERIAL.println();
  USE_SERIAL.println();
  USE_SERIAL.println();

  for (uint8_t t = 4; t > 0; t--) {
    USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
    USE_SERIAL.flush();
    delay(1000);
  }

  WiFi.mode(WIFI_STA);
  WiFiMulti.addAP("dev-pro", "Dev-Pro@Kharkov");

}

  //  if ((WiFiMulti.run() == WL_CONNECTED)) {

  //   WiFiClient client;

  //   // The line below is optional. It can be used to blink the LED on the board during flashing
  //   // The LED will be on during download of one buffer of data from the network. The LED will
  //   // be off during writing that buffer to flash
  //   // On a good connection the LED should flash regularly. On a bad connection the LED will be
  //   // on much longer than it will be off. Other pins than LED_BUILTIN may be used. The second
  //   // value is used to put the LED on. If the LED is on with HIGH, that value should be passed
  //   // ESPhttpUpdate.setLedPin(LED_BUILTIN, LOW);

  //   // t_httpUpdate_return ret = ESPhttpUpdate.update("http://839d.k.time4vps.cloud", 2018, "/v0.01-alpha/firmware.bin");
  //   // Or:
  //   //t_httpUpdate_return ret = ESPhttpUpdate.update(client, "server", 80, "file.bin");
  //   t_httpUpdate_return  ret = ESPhttpUpdate.update("https://839d.k.time4vps.cloud/firmware/v0.01-alpha/firmware.bin", "", fingerprint);

  //   switch (ret) {
  //     case HTTP_UPDATE_FAILED:
  //       USE_SERIAL.printf("HTTP_UPDATE_FAILD Error (%d): %s\n", ESPhttpUpdate.getLastError(), ESPhttpUpdate.getLastErrorString().c_str());
  //       break;

  //     case HTTP_UPDATE_NO_UPDATES:
  //       USE_SERIAL.println("HTTP_UPDATE_NO_UPDATES");
  //       break;

  //     case HTTP_UPDATE_OK:
  //       USE_SERIAL.println("HTTP_UPDATE_OK");
  //       break;
  //   }
  // }
// String getMAC()
// {
//   uint8_t mac[6];
//   char result[14];

//   snprintf(result, sizeof(result), "%02x%02x%02x%02x%02x%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);

//   return String( result );
// }

void checkForUpdates() {
  // String mac = getMAC();
  String fwURL = String( fwUrlBase );
  fwURL.concat( fwDevice );
  String fwVersionURL = fwURL;
  fwVersionURL.concat( ".vrn.txt" );

  Serial.println( "Checking for firmware updates." );
  Serial.print( "MAC address: " );
  Serial.println( fwDevice );
  Serial.print( "Firmware version URL: " );
  Serial.println( fwVersionURL );

  HTTPClient httpClient;
  httpClient.begin(fwVersionURL, fingerprint);
  int httpCode = httpClient.GET();

  if( httpCode == 200 ) {
    String newFWVersion = httpClient.getString();

    Serial.print( "Current firmware version: " );
    Serial.println( FW_VERSION );
    Serial.print( "Available firmware version: " );
    Serial.println( newFWVersion );

    int newVersion = newFWVersion.toInt();

    if( newVersion > FW_VERSION ) {
      Serial.println( "Preparing to update" );

      String fwImageURL = fwURL;
      fwImageURL.concat( ".bin" );
      Serial.println(fwImageURL);
      t_httpUpdate_return  ret = ESPhttpUpdate.update(fwImageURL, "", fingerprint);

      switch (ret) {
        case HTTP_UPDATE_FAILED:
          USE_SERIAL.printf("HTTP_UPDATE_FAILD Error (%d): %s\n", ESPhttpUpdate.getLastError(), ESPhttpUpdate.getLastErrorString().c_str());
          break;

        case HTTP_UPDATE_NO_UPDATES:
          USE_SERIAL.println("HTTP_UPDATE_NO_UPDATES");
          break;

        case HTTP_UPDATE_OK:
          USE_SERIAL.println("HTTP_UPDATE_OK");
          break;
      }
    } else {
      Serial.println( "Already on latest version" );
    }
  } else {
    Serial.print( "Firmware version check failed, got HTTP response code " );
    Serial.println( httpCode );
  }
  httpClient.end();
}

// DOT
void MorseDot() {
  digitalWrite(LED_BUILTIN, LOW);
  delay(dotLength); // hold in this position
}

// DASH
void MorseDash() {
  digitalWrite(LED_BUILTIN, LOW);
  delay(dashLength); // hold in this position
}

// Turn Off
void LightsOff(int delayTime) {
  digitalWrite(LED_BUILTIN, HIGH);
  delay(delayTime);
}
void GetChar(char tmpChar) {
  // Take the passed character and use a switch case to find the morse code for that character
  switch (tmpChar) {
    case 'a':
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'b':
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'c':
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'd':
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'e':
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'f':
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'g':
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'h':
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'i':
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'j':
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'k':
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'l':
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'm':
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'n':
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'o':
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'p':
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 'q':
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'r':
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 's':
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    case 't':
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'u':
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'v':
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'w':
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'x':
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'y':
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      break;
    case 'z':
      MorseDash();
      LightsOff(elemPause);
      MorseDash();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      MorseDot();
      LightsOff(elemPause);
      break;
    default:
      // If a matching character was not found it will default to a blank space
      LightsOff(Spaces);
  }
}

void loop() {

  if ((WiFiMulti.run() == WL_CONNECTED)) {
    checkForUpdates();
  }

  for (uint8_t i = 0; i < sizeof(stringToMorseCode) - 1; i++) {
    // Get the character in the current position
    char tmpChar = stringToMorseCode[i];
    // Set the case to lower case
    tmpChar = toLowerCase(tmpChar);
    // Call the subroutine to get the morse code equivalent for this character
    GetChar(tmpChar);
  }
  LightsOff(2000);
}