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	- Project: "Digital Setup"
	- Source Code compiled for: ESP32 DevKit V1
	- Source Code created on: 2024-01-15 23:17:13

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* if button is pressed so set out to 128. */
/****** SYSTEM REQUIREMENT 2 *****/
	/* read gps from spi and generate sinusoide signal if */
	/* position is moving. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <SPI.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t butt_PushButton_PIN_D4 = 4;
const uint8_t ditpullup_PIN_D14 = 14;
const uint8_t ditpulldown_PIN_D16 = 16;
const uint8_t temp_DS18B20_DQ_PIN_D13 = 13;

/***** DEFINITION OF DAC OUTPUT PINS *****/
const uint8_t out_PIN_D25 = 25;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
uint8_t out_PIN_D25_rawData = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float out_PIN_D25_phyData = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
EasyButton buttPushButton(butt_PushButton_PIN_D4);
OneWire oneWire(temp_DS18B20_DQ_PIN_D13);
DallasTemperature tempSensor(&oneWire);

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(ditpullup_PIN_D14, INPUT_PULLUP);
  pinMode(ditpulldown_PIN_D16, INPUT_PULLDOWN);

  // Initialize SPI for GPS communication
  SPI.begin();

  // Initialize the button
  buttPushButton.begin();

  // Initialize the temperature sensor
  tempSensor.begin();
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  updateOutputs(); // Refresh output data

  // Handle button press
  buttPushButton.read();
  if (buttPushButton.isPressed())
  {
    // Button press action
    out_PIN_D25_rawData = 128; // Set output to 128
  }
  else
  {
    out_PIN_D25_rawData = 0; // Set output to 0
  }

  // Read GPS position
  // TODO: Read GPS position from SPI and check if position is moving
  bool isMoving = false; // Placeholder value

  // Generate sinusoidal signal if position is moving
  if (isMoving)
  {
    // TODO: Generate sinusoidal signal
  }

  // Read temperature
  tempSensor.requestTemperatures();
  float temperature = tempSensor.getTempCByIndex(0);

  delay(1000); // Delay for 1 second
}

void updateOutputs(void)
{
  dacWrite(out_PIN_D25, out_PIN_D25_rawData);
}