void main(void)
{
	Init_TMR1();			// 初始化設定Timer1函式
	INTCONbits.PEIE = 1;	// 開啟周邊中斷功能
	INTCONbits.GIE = 1;		// 開啟全域中斷控制

	TRISD = 0;
	PORTD = 0;
	TRISA |= 0x10;

	while (1)
	{
		ButtonProcess();

		switch (SystemStep)
		{
		case 0:
			LED_55_AA_Change();
			if (ButtonA4Event == 1)
			{
				ButtonA4Event = 0;
				SystemStep++;
			}
			break;
		case 1:
			PORTD = 0;
			if (ButtonA4Event == 1)
			{
				ButtonA4Event = 0;
				SystemStep++;
				PORTD = 1 ;
			}
			break;
		case 2:
			if (ButtonA4Event == 1)
			{
				ButtonA4Event = 0;
				PORTD++;
			}
			break;
		}

	};

}
/**********************************************************************************************
* Process all the pushbutton in one call.
***********************************************************************************************/
void ButtonProcessAll( void){

	ButtonProcess( &Btn0, !PB_STATE);	//1 = active btn push ; 0 = idle

}