#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/sysctl.h"
#include "drivers/rit128x96x4.h"

#include "driverlib/comp.c"
#include "driverlib/comp.h"
#include "driverlib/adc.c"
#include "driverlib/adc.h"
#include "driverlib/gpio.c"
#include "driverlib/gpio.h"

#include <stdio.h>
#include <LM3Sxxxx.H>           // LM3Sxxxx library definitions

int i;

//*****************************************************************************
//
// The error routine that is called if the driver library encounters an error.
//
//*****************************************************************************
#ifdef DEBUG
void
__error__(char *pcFilename, unsigned long ulLine)
{
}
#endif

int
main(void)
{
    //
    // Set the clocking to run directly from the crystal.
    //
    SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN | SYSCTL_XTAL_8MHZ);

	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);													 // dozvola rada porta E
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);													 // dozvola rada porta F
    SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);													 // dozvola rada porta C
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOG);													 // dozvola rada porta G
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);													 // dozvola rada porta D
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);													 // dozvola rada porta A
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);													 // dozvola rada porta B

	GPIOPinTypeComparator(GPIO_PORTB_BASE,GPIO_PIN_6);

	GPIOPadConfigSet(GPIO_PORTB_BASE, GPIO_PIN_6, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_ANALOG);

	//
    // Initialize the OLED display.
    //
    RIT128x96x4Init(1000000);

	RIT128x96x4StringDraw("Analog comparator",  15,  6, 12);
	RIT128x96x4StringDraw("      test...", 		15, 15, 12);



	RIT128x96x4StringDraw("Comparator:", 0, 40, 12);
	//
	// Configure the internal voltage reference.
	//
	ComparatorRefSet(GPIO_PORTB_BASE, COMP_REF_2_371875V);
	
	RIT128x96x4StringDraw("***Set...", 0, 50, 12);

	//
	// Configure a comparator.
	//
	ComparatorConfigure(GPIO_PORTB_BASE, 0,(COMP_TRIG_NONE | COMP_INT_BOTH | COMP_ASRCP_REF | COMP_OUTPUT_NORMAL));

	RIT128x96x4StringDraw("***Configured...", 0, 60, 12);

	for(i=0;i<10000;i++);
 
    while(1)
    {

	if(ComparatorValueGet(GPIO_PORTB_BASE, 0) > 0x00)
		{
			RIT128x96x4StringDraw("HIGH", 0, 80, 12);
		}
	else
		{
			RIT128x96x4StringDraw("LOW ", 0, 80, 12);
		}
	
	}
}