// Created by BlackThornDemon
// See desc.txt for more info
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>
#include <avr/pgmspace.h> // memory management


#define cel_height 48
#define cel_width 84
Adafruit_PCD8544 lcd= Adafruit_PCD8544(3,4,5,7,6);

// globals

// dummy lights
// use byte because its 8 bit (int, short, etc. are 2 bytes)
// array is in THIS order:
// abs, airbag, battery, brake, brights, cel, cruise, door open,
// left turn, over drive, oil, right turn, seatbelt, washer fluid
byte dummyPins[13] = {22,23,24,25,26,27,28,29,30,31,32,33,34,35};


// Gauges
// MAX input is 3.3V
// ^^^^^  --REMEMBER THIS IT MATTERS--  ^^^^^
byte pinFuel	=0;
byte pinSpeed	=1;
byte pinTach	=2;
byte pinTemp	=3;

// Mileage
// this is some cool ****
// we're actually saving the odometer and trip 
// to the built in flash memory so it gets saved
// NOTE: this method may never actually get used
// as the developers estimate the built in memory 
// can only be accessed about 100,000 times
// in all actuality nobody probably ever starts a car
// in its whole lifetime 100,000 times much less a car
// that's 14-18 years old already however in the sake
// of longevity I will explore other options of saving
// data (such as a SD card)
int trip		=0;
int odometer	=0;

/* processing of on/off lights (i.e. abs, brake, etc.)

*/
void dummyLight()
{

}
/* 	this is the base of the dummy lights
	if the input is 0-0.49 the light is read as OFF
	if the input is 0.50-1 the light is read as ON
*/
void CheckSignalDigital(int signalPin, int max)
{
	// read the pin here so we don't have to read it 4 times
	float pinValue = digitalRead(signalPin);
	if(pinValue >= 0.50 && pinValue <= 1)
	{
		
	}
	// this is important because if the light was previously on
	// we need to turn it off
	else if(pinValue >=0 && pinValue <= 0.49)
	{}
	else PinReadError();
}
boolean CheckSignalAnalog()
{

}
void PinReadError(string pin, string error)
{
	// print the error on screen nicely
}
void setup()
{
	odometer =;
	lcd.begin();
	lcd.command(PCD8544_DISPLAYCONTROL | PCD8544_DISPLAYNORMAL);
	lcd.clearDisplay();
	lcd.setContrast(60);
	lcd.setTextSize(2);
	lcd.setCursor(0,0);

}

void loop()
{
	for(int i=0;i<13;i++)
	{
		CheckSignalDigital(dummyPins[i], 1);
	}
	
	lcd.display();
	delay(100);
}