Timecode Lightbox

#include <SPI.h>
#include <LoRa.h>

// Define the number of samples to keep track of. The higher the number, the
// more the readings will be smoothed, but the slower the output will respond to
// the input. Using a constant rather than a normal variable lets us use this
// value to determine the size of the readings array.
const int numReadings = 10;

int readings[numReadings];      // the readings from the analog input
int readIndex = 0;              // the index of the current reading
int total = 0;                  // the running total
int average = 0;                // the average
int inputPin = A0;              // pino em que está conectado o TC

//variables
int counter = 0;
const int pinoBotao = 4;
const int ligaBotao = 2;
const int led = 8;
int statusBotao = 0;

// starts setup
void setup() {

  // initialize all the readings to 0:
  for (int thisReading = 0; thisReading < numReadings; thisReading++) {
    readings[thisReading] = 0;

    //Ins and outs
    pinMode(pinoBotao, INPUT);
    pinMode(ligaBotao, OUTPUT);
    pinMode(led, OUTPUT);

    //starts the serial port
    Serial.begin(9600);
    while (!Serial);

    Serial.println("LoRa Sender");

    //check if the module is propperly connected
    if (!LoRa.begin(915E6)) {
      Serial.println("Starting LoRa failed!");
      while (1);
    }
  }
}

//starts the loop
void loop() {
 
  statusBotao = digitalRead(pinoBotao);
  digitalWrite(ligaBotao, HIGH);


  // subtract the last reading:
  total = total - readings[readIndex];
  // read from the sensor:
  readings[readIndex] = analogRead(inputPin);
  // add the reading to the total:
  total = total + readings[readIndex];
  // advance to the next position in the array:
  readIndex = readIndex + 1;

  // if we're at the end of the array...
  if (readIndex >= numReadings) {
    // ...wrap around to the beginning:
    readIndex = 0;
  }

  // calculate the average:
  average = total / numReadings;

  if (average < 0)
  {
    average = - average;
  }
  // send it to the computer as ASCII digits

  // if there is TC on input A0
  if (average > 100)
  {
    //prints in the serial monitor
    Serial.println(average);
    // sends the packet
    LoRa.beginPacket();
    LoRa.print("1");
    LoRa.endPacket();
    digitalWrite (led, HIGH);
    delay(300);
  }

  // if there is no TC and the button is not pressed
  if  (average == 0 && statusBotao == LOW) {
    //prints on the serial monitor
    Serial.println("0");
    // sends the packet
    LoRa.beginPacket();
    LoRa.print("0");
    LoRa.endPacket();
    digitalWrite (led, LOW);
    delay(300);
  }
  delay(10);        // delay in between reads for stability


  // if the button is pressed, sends the message "1"
  if (statusBotao == HIGH)
  {
    //prints on the serial monitor
    Serial.println("1");
    // sends the packet
    LoRa.beginPacket();
    LoRa.print("1");
    LoRa.endPacket();
    digitalWrite (led, HIGH);
    delay(100);
  }


}