#include "stdafx.h"
#include "signal.h"
#include "User_Api.h"
#include "PET_Type.h"
#include "time.h"

static volatile sig_atomic_t keep_running = 1;

static void sig_handler(int _)
{
    (void)_;
    keep_running = 0;
}

int main(void)
{

	signal(SIGINT, sig_handler);

	// start portwell API
	PET_API_Init();

	// set pin 3 & 4 as inputs
	PET_GPIO_SetPinDirection (1, 3, 1);
	PET_GPIO_SetPinDirection (1, 4, 1);

	// set pin 1 & 2 as outputs
	PET_GPIO_SetPinDirection (1, 1, 0);
	PET_GPIO_SetPinDirection (1, 2, 0);

	// pull 1 & 2 low
	PET_GPIO_WritePin(1, 1, 0);
	PET_GPIO_WritePin(1, 2, 0);

	unsigned char greenvalue = 0;
	unsigned char redvalue = 0;

	while (keep_running)
	{
		// read pins, print values
		PET_GPIO_ReadPin(1, 4, &greenvalue);
		PET_GPIO_ReadPin(1, 3, &redvalue);

		// check for button presses (0)
		// bring pin high if pressed, low when released

		// green
		if (greenvalue == 0) {
			PET_GPIO_WritePin(1, 2, 1);
			} else {
		if (greenvalue == 1) {
			PET_GPIO_WritePin(1, 2, 0);
		}

		//red
		if (redvalue == 0) {
			PET_GPIO_WritePin(1, 1, 1);
			} else {
		if (redvalue == 1) {
			PET_GPIO_WritePin(1, 1, 0);
			}
		}
	}


	}
	// close API
	PET_API_Uninit ();

    return EXIT_SUCCESS;
}