#include <msp430g2553.h>

#ifndef TIMER0_A1_VECTOR
#define TIMER0_A1_VECTOR    TIMERA1_VECTOR
#define TIMER0_A0_VECTOR    TIMERA0_VECTOR
#endif

#define		TORKONTAKT			BIT4
#define		SCHLUESSELSCHALTER	BIT5
#define		ALARM				BIT7
#define     LED_ROT             BIT0
#define     LED_GRUEN           BIT6

void InitializePort(void);
void InitializeClocks(void);
void InitializeSine(void);


int winkel=0;

const int sinus_a[]={500, 512, 525, 537, 549, 561, 573, 585, 598, 610, 621, 633, 645, 657,
					 668, 680, 691, 703, 714, 725, 736, 746, 757, 767, 778, 788, 798, 808, 817, 827,
					 836, 845, 854, 862, 870, 879, 887, 894, 902, 909, 916, 922, 929, 935,
					 941, 947, 952, 957, 962, 966, 971, 975, 978, 982, 985, 988, 990, 993,
					 995, 996, 998, 999, 999, 1000, 1000, 1000, 999, 999, 998, 996, 995, 993,
					 990, 988, 985, 982, 978, 975, 971, 966, 962, 957, 952, 947, 941, 935,
					 929, 922, 916, 909, 902, 894, 887, 879, 870, 862, 854, 845, 836, 827,
					 817, 808, 798, 788, 778, 767, 757, 746, 736, 725, 714, 703, 691, 680,
					 668, 657, 645, 633, 621, 610, 598, 585, 573, 561, 549, 537, 525, 512,
					 500, 488, 475, 463, 451, 439, 427, 415, 402, 390, 379, 367, 355, 343,
					 332, 320, 309, 297, 286, 275, 264, 254, 243, 233, 222, 212, 202, 192,
					 183, 173, 164, 155, 146, 138, 130, 121, 113, 106, 98, 91, 84, 78, 71,
					 65, 59, 53, 48, 43, 38, 34, 29, 25, 22, 18, 15, 12, 10, 7, 5, 4, 2, 1,
					 1, 0, 0, 0, 1, 1, 2, 4, 5, 7, 10, 12, 15, 18, 22, 25, 29, 34, 38, 43,
					 48, 53, 59, 65, 71, 78, 84, 91, 98, 106, 113, 121, 130, 138, 146, 155,
					 164, 173, 183, 192, 202, 212, 222, 233, 243, 254, 264, 275, 286, 297,
					 309, 320, 332, 343, 355, 367, 379, 390, 402, 415, 427, 439, 451, 463,
					 475, 488};

void main(void)
{
	WDTCTL = WDTPW + WDTHOLD;

	InitializeClocks();
	InitializePort();
	InitializeSine();
	_BIS_SR(GIE);

	while (1)
	{
		if (LED_GRUEN&P1OUT)								//Wartezeit bis Anlage scharf
		{
			if(SCHLUESSELSCHALTER&P1IN)
				__delay_cycles(160000000);
		}

		if (!(SCHLUESSELSCHALTER & P1IN))					//Anlage unscharf
		{
			P1SEL &= ~BIT2;
			P1OUT |= LED_GRUEN;
			P1OUT &= ~(ALARM+LED_ROT+BIT2);
		}
		else												//Anlage scharf
		{
			P1OUT &= ~LED_GRUEN;
			P1OUT |= LED_ROT;
			if (TORKONTAKT & P1IN)							//Torkontakt löst aus
			{
				__delay_cycles(160000000);					//Wartezeit bis zur Alarmauslösung
				if (SCHLUESSELSCHALTER&P1IN)
				{
					P1SEL|=BIT2;
					P1OUT |= ALARM;
					while (SCHLUESSELSCHALTER & P1IN)		//rote LED toggelt bei Alarm
					{
						P1OUT ^= LED_ROT;
						__delay_cycles(8000000);
					}
				}
			}
		}
	}
}


#pragma vector=TIMER0_A0_VECTOR
__interrupt void Timer_A (void)

{
  TACCR1 = sinus_a[winkel];
  winkel = (winkel+32)&255; // index für sinustabelle
}

void InitializeClocks(void)
{
	DCOCTL = CALDCO_16MHZ;
	   BCSCTL1 = RSEL3+RSEL2+RSEL1+RSEL0;
	   BCSCTL2= 0;
}

void InitializePort(void)                 // Configure Port 1
{
  P1DIR =  ~(BIT4+BIT5);
  P1IN 	|=  (BIT4+BIT5);
  P1REN |=  (BIT4+BIT5);
  P1OUT	=	(BIT4+BIT5);
  P1IES =   0;
  P1IFG =   0;
  P1IE  =   0;
}

void InitializeSine(void)
{
	CCTL0 = CCIE+OUTMOD_7;                  // CCR0 interrupt enabled
	  CCTL1 = OUTMOD_7;
	  CCR0 = 1000;
	  CCR1 = 500;
	  TACTL = TASSEL_2 + MC_1;                  // SMCLK, up mode
}