#include 
#include "usb.h"
#include "usb_defs.h"
//
//###############################################################################

__CONFIG(WDTDIS & UNPROTECT & PWRTDIS & H4);

void Delay(long amount);

const unsigned char PS2toUSB[] = {
/* 0    1     2     3     4     5     6     7     8     9     a     b     c     d     e     f  */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x00,	//0x0_
0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x1e, 0x00, 0x00, 0x00, 0x1d, 0x16, 0x04, 0x1a, 0x1f, 0x00,	//0x1_
0x00, 0x06, 0x1b, 0x07, 0x08, 0x21, 0x20, 0x00, 0x00, 0x2c, 0x19, 0x09, 0x17, 0x15, 0x22, 0x00,	//0x2_
0x00, 0x11, 0x05, 0x0b, 0x0a, 0x1c, 0x23, 0x00, 0x00, 0x00, 0x10, 0x0d, 0x18, 0x24, 0x25, 0x00,	//0x3_
0x00, 0x00, 0x0e, 0x0c, 0x12, 0x27, 0x26, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x13, 0x2d, 0x00, //0x4_
0x00, 0x00, 0x00, 0x00, 0x2f, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x28, 0x30, 0x00, 0x31, 0x00, 0x00, //0x5_
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x6_
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};//0x7_

unsigned char output, tempOutput;
int EdgeCount;
unsigned char buffer [4];
int newDataFlag;

// Interrupt service routine. Branch off to different interrupts
interrupt ISR () {

	GIE = 0;

	if (USBIF && USBIE) {
		if (ACTIVITY)
			USBActivity ();
		if (USB_RST && USB_RST_E)		// USB reset must be serviced immediately
			USBReset ();
		if (TOK_DONE && TOK_DONE_E) {
			if (USB_dev_req == SET_ADDRESS)	// Finish Set Address
			{   				 
				USB_dev_req = NULL;
				USB_Curr_Config = 0;
				UADDR = USB_address_pending;
				UIE = 0x01;		// enable just the reset interrupt
#ifdef SHOW_ENUM_STATUS 				// SHOW_ENUM_STATUS defined in usb_defs.h
				RB2 = 1;		// set bit 2 to show addressed
#endif
 				if (USB_address_pending > 0)
					USWSTAT = ADDRESS_STATE;
				else
					USWSTAT = DEFAULT_STATE;
			}
			TOK_DONE = 0; // clear Token Done flag
		}
		USBIF = 0;		// Clear USB interrupt flag
	}

	//Keyboard Interrupt....
	if(INTF&&INTE)
	{
		if(EdgeCount >= 10)
		{	
			EdgeCount = 0;

			if((tempOutput != output)&&(output != 0x00))
			{
				newDataFlag = 1;
				tempOutput = output;
			}


			output = 0x00;
		}else{ 


			if((EdgeCount > 0)&&(EdgeCount < 9))
				output |= GetData(EdgeCount - 1);

			EdgeCount++;

		}


		INTF = 0;
	}
	
	GIE = 1;



}


void main() {

	unsigned char i;

	TRISB = 0x01;			// Make RB0 an input and the rest outputs
	PORTB = 0;
	TRISA = 0x10;			// RA4 is and input
	PORTA = 0x00;

	//Make RC0 (Clock) and RC1 (Data) input pins
	TRISC = 0x03;

	PS2Init();

	for (i = 0; i < 50; i ++);	// Small delay (greater than 16us) in order to 
	InitUSB ();			//   allow SIE to come online before beginning USB
					//   initialization
	OPTION = 0x07;			// TMR0 prescaler 1:256

	buffer[0] = 0x00;
	buffer[1] = 0x00;
	buffer[2] = 0x00;
	buffer[3] = 0x00;

	i = 0;
	newDataFlag = 0;

	while (1)
	{
		if (T0IF) 
		{				// Poll all functions every 10.9ms
			T0IF = 0;
	   		ServiceUSB();			// Service USB functions

			if(ConfiguredUSB())
			{
			    if(newDataFlag == 1)
				buffer[0] = PS2toUSB[tempOutput];

			    PutEP1(BUFFERSIZE, buffer);

			    if(newDataFlag == 1)
			    {
				buffer[0] = 0x00;
				newDataFlag = 0;
			    }

			}


		}
		

	}
}

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