#include<MSP430x14x.h>

typedef unsigned int uint;
typedef unsigned char uchar;

//P4 PORT
#define SCR_A BIT0
#define SCR_B BIT1
#define SCR_C BIT2
#define SCR_OE BIT3	//EN
#define SCR_CLK BIT4	//SCK
#define SCR_LAT BIT5	//RCK

#define SCR_A_H P4OUT|=SCR_A
#define SCR_A_L P4OUT&=~SCR_A
#define SCR_B_H P4OUT|=SCR_B
#define SCR_B_L P4OUT&=~SCR_B
#define SCR_C_H P4OUT|=SCR_C
#define SCR_C_L P4OUT&=~SCR_C
#define SCR_OE_H P4OUT|=SCR_OE
#define SCR_OE_L P4OUT&=~SCR_OE
#define SCR_CLK_H P4OUT|=SCR_CLK
#define SCR_CLK_L P4OUT&=~SCR_CLK
#define SCR_LAT_H P4OUT|=SCR_LAT
#define SCR_LAT_L P4OUT&=~SCR_LAT

//P2 PORT
#define SCR_R1 BIT0
#define SCR_R2 BIT1
#define SCR_G1 BIT2
#define SCR_G2 BIT3
#define SCR_B1 BIT4
#define SCR_B2 BIT5

#define SCR_R1_H P2OUT|=SCR_R1
#define SCR_R1_L P2OUT&=~SCR_R1
#define SCR_R2_H P2OUT|=SCR_R2
#define SCR_R2_L P2OUT&=~SCR_R2
#define SCR_G1_H P2OUT|=SCR_G1
#define SCR_G1_L P2OUT&=~SCR_G1
#define SCR_G2_H P2OUT|=SCR_G2
#define SCR_G2_L P2OUT&=~SCR_G2
#define SCR_B1_H P2OUT|=SCR_B1
#define SCR_B1_L P2OUT&=~SCR_B1
#define SCR_B2_H P2OUT|=SCR_B2
#define SCR_B2_L P2OUT&=~SCR_B2


uint count;
long dr=0x0000ffff,dg=0x00ff00ff,db=0x0f0f0f0f;//data_red,data_green,data_blue

long table[]={	//汉字“彩屏”
0x02001E00,
0x0200F010,
0x05002218,
0x08809320,
0x10605440,
0x20384888,
0x7FF0100C,
0x8200FF10,
0x02001028,
0x0220384C,
0x3FF03408,
0x02005310,
0x02009220,
0x020810C0,
0xFFFC1300,
0x00001000,
};

void int_clk()
{
	BCSCTL1&=~XT2OFF;
	BCSCTL2|=SELM1+SELS;
	IFG1&=~OFIFG;
}

void int_port()
{
	P4DIR=0xff;
	P2DIR=0xff;
}

void int_timer()
{
	TACTL|=TASSEL1+TACLR+ID0+ID1;
	TACTL|=MC0+TAIE;
	TACCR0=499;   //中断时间5ms
}


delayms(int ms)
{
	int i,j;
 	for(i=0;i<ms;i++)
	  for(j=0;j<200;j++);
}

delayus(int us)
{
	int i;
 	for(i=0;i<us;i++);
	
}


void SET138(uchar n)//0-7选行
{

	if(n&0x01) SCR_A_H; else SCR_A_L;
	if(n&0x02) SCR_B_H; else SCR_B_L;
	if(n&0x04) SCR_C_H; else SCR_C_L;

}

void SET595(long r1,long r2,long g1,long g2,long b1,long b2)//一次送32位数据
{
	uint j;
	for(j=0;j<32;j++)
	{ 	
		SCR_CLK_L;
		if(r1&0x80000000) {SCR_R1_H;} else {SCR_R1_L;}
		if(r2&0x80000000) {SCR_R2_H;} else {SCR_R2_L;}
		if(g1&0x80000000) {SCR_G1_H;} else {SCR_G1_L;}
		if(g2&0x80000000) {SCR_G2_H;} else {SCR_G2_L;}
		if(b1&0x80000000) {SCR_B1_H;} else {SCR_B1_L;}
		if(b2&0x80000000) {SCR_B2_H;} else {SCR_B2_L;}
		r1=r1<<1;r2=r2<<1;g1=g1<<1;g2=g2<<1;b1=b1<<1;b2=b2<<1;
		SCR_CLK_H;
	}

	SCR_LAT_H;
	SCR_LAT_L;	
}

void main( void )
{
	WDTCTL=WDTPW+WDTHOLD;
	int_clk();
	int_timer();
	int_port();
	_EINT();
	SCR_OE_H;   //点阵屏使能
	SET595(dr,dr,dg,dg,db,db);  //送彩条数据
	while(1)；
}

#pragma vector=TIMERA1_VECTOR
__interrupt void Timer_A(void)
{
	if(TAIV==10)
  	{
	  	count++;
		if(count==8) count=0;
		SET138(count);		
	}	
}