MSP430液晶SED1335控制器子程序
// Control SED1335
// Time 2003.01.15
// Copyright 重慶東電
// Function show
//------------------------------------------------------------

#define WC_ADD XBYTE[0xC100]
#define WD_ADD XBYTE[0xC000]
#define RD_ADD XBYTE[0xC100]
#define RB_ADD XBYTE[0xC000]

void INTR(void);
void CLEAR(void); /* 信號輸入 x [0---319] ，y [0---239] */
void CCTW(unsigned int x,unsigned char y,unsigned char m,unsigned char n,unsigned char *p);
void dot (unsigned int x,unsigned char y,bit c); /* c=1 劃點 c=0 取消點*/




void INTR(void)
{
unsigned char code SYSTAB[]={0x30,0x87,0x07,0x27,0x42,0xf0,0x28,0x00}; // control parameter
unsigned char code SCRTAB[]={0x00,0x00,0xf0,0x00,0x40,0xf0,0x00,0x80,0x00,0x00};
unsigned char i=0x0;

WC_ADD = 0x40;
for(i = 0 ;i < 8; i++)
{
WD_ADD = SYSTAB[i];
}
WC_ADD = 0x44;
for(i = 0;i < 10;i++)
{
WD_ADD = SCRTAB[i];
}
WC_ADD = 0x5a;
WD_ADD = 0x0;
WC_ADD = 0x5b;
WD_ADD = 0x0;
WC_ADD = 0x59;
WD_ADD = 0x54;

}

void CLEAR(void)
{
unsigned char i=0,j=0;

WC_ADD = 0x4c;
WC_ADD = 0x46;
WD_ADD = 0x0;
WD_ADD = 0x0;
WC_ADD = 0x42;
for(i = 0;i < 255;i++)
{
for(j = 0;j < 255;j++)
{ WD_ADD = 0x0;
}
}
}

void CCTW(unsigned int x,unsigned char y,unsigned char m,unsigned char n,unsigned char *p)
{
unsigned char ap=0x28,i,j,k,tt=0,uu=0,rr=0,ee=0,ff=0,gg=0; /*ap 修改 P7, 行字符個數 */
unsigned int l;

tt = x%8;
x=x/8;
l = y*ap + x+0x4000;
x = (unsigned char)(l&0x00ff);
y = (unsigned char)((l&0xff00)>>8);


WC_ADD=0x4c; /*設置光標“右”移動方式 */

for(i=0;i< n;i++)
{
WC_ADD = 0x46; /* 光標指針設置 */
WD_ADD = x; /* 光標地址16位 */
WD_ADD = y;


if(tt==0)
{
WC_ADD = 0x42; /* 連續寫入數據*/

for (j=0;j<m/8;j++)
{
WD_ADD = *p;
p++ ;
}
} /* 0 1 2 3 */
else { /* 0---7 8---16 17---24 25---32*/

for(j=0;j<m/8;j++)
{

RD_ADD=0x43; /* 讀數據 */
uu=RD_ADD;
rr=RD_ADD;

/*-----------------------------------------------------*/
gg=*p; /* 處理數據*/
p++;
k=uu>>(8-tt);
k=k<<(8-tt); // 高位
ee=k;
k=gg>>tt; // 移高位作為低位
ee=ee|k;
/*-----------*/
k=rr<<tt;
k=k>>tt; // 低位
ff=k;
k=gg<<(8-tt);
ff=ff|k;
/*--------------------------------------------------------------*/

WC_ADD=0x4d; /*改變光標“左”移動方式 */
RD_ADD=0x43;
k=RD_ADD;
k=RD_ADD;

WC_ADD=0x4c; /*非復光標“右”移動方式 */

WC_ADD = 0x42; /* 送數據兩個 */

WD_ADD =ee;
WD_ADD =ff;

/*本送一個數據，前面送了兩個，需要返回一個*/

WC_ADD=0x4d; /*改變光標“左”移動方式 */
RD_ADD=0x43;
k=RD_ADD;
k=RD_ADD;

WC_ADD=0x4c; /*非復光標“右”移動方式 */
RD_ADD=0x43;
k=RD_ADD;
}



}


l=(ap+x+(y<<8));
x=(unsigned char)(l&0x00ff);
y=(unsigned char)((l&0xff00)>>8);
}



}

void dot (unsigned int x,unsigned char y,bit c)
{

unsigned char ap=0x28,tt=0,uu=0,gg=0,k=0; /*ap 修改 P7, 行字符個數 */
unsigned int l=0;

tt = x%8;
x = x/8;
l = y*ap + x+0x4000;
x = (unsigned char)(l&0x00ff);
y = (unsigned char)((l&0xff00)>>8);

WC_ADD = 0x4c;
WC_ADD = 0x46; /* 光標指針設置 */
WD_ADD = x; /* 光標地址16位 */
WD_ADD = y;
RD_ADD=0x43; /* 讀數據 */
uu=RD_ADD;

if(c)
{
gg = 1;
gg =gg<<(7-tt);
uu=uu|gg;
}
else {
gg = 1;
gg =gg<<(7-tt);
gg = ~gg;
uu=uu&gg;
}

WC_ADD=0x4d;
RD_ADD=0x43;
k=RD_ADD;

WC_ADD = 0x4c; /*非復光標“右”移動方式 */
WC_ADD = 0x42; /* 送數據兩個 */
WD_ADD = uu;

}