12864串行控制2.doc

/* 模块名称：st7920 串行方式驱动12864液晶驱动 驱动芯片：st7920*/#include #include #include #include #define uchar unsigned char#define uint unsigned intsbit CS = P24;sbit SCK = P26;sbit SID = P25;sbit RST =P23; /low active 可以不用,也就是说,只用两条线和LCD通信sbit PSB= P21;sbit key=P10;uchar code AC_TABLE=0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, /第一行汉字位置0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97, /第二行汉字位置0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f, /第三行汉字位置0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f, /第四行汉字位置;uchar code str2=欢迎光临sunson!;uchar code str1=黄河远上白云间，一片孤城万仞山。羌笛何须怨杨柳，春风不度玉门关。;uchar code bmp1;/* * 函数名称 ：SendByte * 功能描述 ：串口发送一个字节*/void SendByte(uchar Dbyte) uchar i; for(i=0;i8;i+) SCK = 0; if(Dbytei)&0x80) SID=1; else SID=0; /移出的位给SID SCK = 1; SCK = 0; /* 函数名称 ：ReceiveByte* 功能描述 ：串口接收一个字节*/uchar ReceiveByte(void) uchar i,temp1,temp2; temp1 = 0; temp2 = 0; for(i=0;i8;i+) temp1=temp11; SCK = 0; SCK = 1; SCK = 0; if(SID) temp1+; for(i=0;i8;i+) temp2=temp24; return (temp1+temp2);/* 函数名称 ：CheckBusy*/void CheckBusy( void ) do SendByte(0xfc); /11111,RW(1),RS(0),0 while(0x80&ReceiveByte(); /BF(.7)=1 Busy/* 函数名称 ：WriteCommand*/void WriteCommand(uchar Cbyte ) CS = 1; CheckBusy(); SendByte(0xf8); /11111,RW(0),RS(0),0 SendByte(0xf0&Cbyte); /高四位 SendByte(0xf0&Cbyte4);/低四位(先执行) CS = 0;/* 函数名称 ：WriteData*/void WriteData(uchar Dbyte ) CS = 1; CheckBusy(); SendByte(0xfa); /11111,RW(0),RS(1),0 SendByte(0xf0&Dbyte); /高四位 SendByte(0xf0&Dbyte4);/低四位(先执行) CS = 0;/* 函数名称 ：ReadData*/uchar ReadData( void ) CheckBusy(); SendByte(0xfe); /11111,RW(1),RS(1),0 return ReceiveByte();/*Fucntion: delay10US(char x)Description: delay for 10 usParameter: xAuthor: Date: July,7th,2005*/void delay10US(uchar x) uchar k; for(k=0;kx;k+); /*Fucntion: delay1MS(char x)Description: delay for 10 usParameter: x delay for 1MSAuthor: Date: July,7th,2005*/void delay1MS(uchar x) uchar k,j; x=x1; for(k=0;kx;k+) for(j=0;j255;j+)_nop_();/* 函数名称 ：LcmInit*/void LcmInit( void ) RST=0; delay1MS(50); RST=1; WriteCommand(0x30); /8BitMCU,基本指令集合 WriteCommand(0x02); /AC归0,不改变DDRAM内容 WriteCommand(0x0C); /显示ON,游标OFF,游标位反白OFF WriteCommand(0x01); /清屏,AC归0 WriteCommand(0x06); /写入时,游标右移动/* 函数名称 ：LcmClearTXT* 功能描述 ：文本区清RAM函数*/void LcmClearTXT( void ) uchar i; WriteCommand(0x30); /8BitMCU,基本指令集合 WriteCommand(0x80); /AC归起始位 for(i=0;i64;i+) WriteData(0x20);/* 函数名称 ：LcmClearBMP* 功能描述 ：图形区清RAM函数*/void LcmClearBMP( void ) uchar i,j; WriteCommand(0x34); /8Bit扩充指令集,即使是36H也要写两次 WriteCommand(0x36); /绘图ON,基本指令集里面36H不能开绘图 for(i=0;i32;i+) /12864实际为256x32 WriteCommand(0x80|i); /行位置 WriteCommand(0x80); /列位置 for(j=0;j32;j+) /256/8=32 byte WriteData(0); /* 函数名称 ：PutStr*/void PutStr(uchar row,uchar col,uchar *puts) WriteCommand(0x30); /8BitMCU,基本指令集合 WriteCommand(AC_TABLE8*row+col); /起始位置 while(*puts != 0) /判断字符串是否显示完毕 if(col=8) /判断换行 /若不判断,则自动从第一行到第三行 col=0; row+; if(row=4) row=0; /一屏显示完,回到屏左上角 WriteCommand(AC_TABLE8*row+col); WriteData(*puts); /一个汉字要写两次 puts+; WriteData(*puts); puts+; col+; /* 函数名称 ：PutBMP*/void PutBMP(uchar *puts) uint x=0; uchar i,j; WriteCommand(0x34); /8Bit扩充指令集,即使是36H也要写两次 WriteCommand(0x36); /绘图ON,基本指令集里面36H不能开绘图 for(i=0;i32;i+) /12864实际为256x32 WriteCommand(0x80|i); /行位置 WriteCommand(0x80); /列位置 for(j=0;j16;j+) /256/8=32 byte /列位置每行自动增加 WriteData(putsx); x+; for(i=0;i32;i+) /12864实际为256x32 WriteCommand(0x80|i); /行位置 WriteCommand(0x88); /列位置 for(j=0;j16;j+) /256/8=32 byte /列位置每行自动增加 WriteData(putsx); x+; /* 函数名称 ：DisplayDots*/void DisplayDots(uchar DotByte) uchar i,j; WriteCommand(0x34); /8Bit扩充指令集,即使是36H也要写两次 WriteCommand(0x36); /绘图ON,基本指令集里面36H不能开绘图 for(i=0;i32;i+) /12864实际为256x32 WriteCommand(0x80|i); /行位置 WriteCommand(0x80); /列位置 for(j=0;j4; Tier_bit=X&0x0f ; if(Y32) Row=Y ; else Row=Y-32; Tier+=8; WriteCommand(Row+0x80); WriteCommand(Tier+0x80); ReadData(); ReadOldH=ReadData(); ReadOldL=ReadData(); WriteCommand(Row+0x80); WriteCommand(Tier+0x80); if(Tier_bit8) switch(Color) case 0 : ReadOldH&=(0x01(7-Tier_bit); break ; case 1 : ReadOldH|=(0x01(7-Tier_bit); break ; case 2 : ReadOldH=(0x01(7-Tier_bit); break ; default : break ; WriteData(ReadOldH); WriteData(ReadOldL); else switch(Color) case 0 : ReadOldL&=(0x01(15-Tier_bit); break ; case 1 : ReadOldL|=(0x01(15-Tier_bit); break ; case 2 : ReadOldL=(0x01(15-Tier_bit); break ; default : break ; WriteData(ReadOldH); WriteData(ReadOldL); WriteCommand(0x30);/* 函数名称 main*/void main( void ) uint i,j; PSB=0; key=1; LcmInit(); LcmClearTXT(); LcmClearBMP(); while(1) LcmClearTXT(); PutBMP(bmp1); while(key); DisplayDots(0x55); while(key); LcmClearBMP(); PutStr(0,0,str1); while(key); LcmClearTXT(); DisplayDots(0xaa); while(key); LcmClearBMP(); for(i=4;i124;i+) j=30-27*sin(i-4)*3.14/30); /正弦波显示 DrawPoint(i,j,1); while(key); uchar code bmp1=/*/ / 位图点阵占用1024字节/*/0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x0F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x3F,0xC0,0x00,0x07,0x07,0x00,0x04,0x01,0x00,0x00,0x38,0x60,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x78,0xE0,0x00,0x3F,0x83,0x80,0x06,0x03,0x80,0x00,0x1C,0x70,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x02,0x38,0x70,0x00,0xFF,0x07,0x80,0x06,0x39,0x80,0x00,0x1F,0x70,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x02,0x1C,0x30,0x00,0x7C,0x0E,0x00,0x06,0x19,0xC0,0x00,0x1F,0x80,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x02,0x1C,0x30,0x00,0x3E,0x1C,0x00,0x06,0x1F,0xC0,0x00,0x7F,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x03,0x3E,0x30,0x00,0x62,0x1A,0x00,0x0F,0x79,0x00,0x03,0xFE,0x00,0x00,0x01,0x80,0x00,0x00,0x60,0x0F,0x00,0x3F,0x00,0x00,0x00,0x3C,0x00,0xC0,0x00,0x00,0x01,0x80,0x07,0x76,0x18,0x00,0xC3,0xC1,0x00,0x1F,0xFB,0x00,0x03,0xFE,0x00,0x00,0x01,0x80,0x00,0x01,0xE0,0x3F,0xC0,0xF1,0xC0,0x00,0x00,0xF0,0x01,0xC0,0x00,0x00,0x01,0x80,0x07,0x6E,0x18,0x00,0xCF,0xC1,0x80,0x7E,0x3F,0x80,0x01,0xE2,0x00,0x00,0x01,0x80,0x00,0x07,0xE0,0x7F,0xE0,0xE0,0xE0,0x00,0x03,0xC0,0x03,0xC0,0x00,0x00,0x01,0x80,0x07,0x7F,0x98,0x00,0xFE,0x83,0x81,0xFC,0x1E,0xC0,0x00,0x83,0x00,0x00,0x01,0x80,0x00,0x0F,0xE0,0x63,0xE1,0xE0,0xE0,0x00,0x07,0x00,0x03,0xC0,0x00,0x00,0x01,0x80,0x06,0xFF,0xD8,0x01,0xFA,0x87,0x00,0xFD,0xF8,0xC0,0x01,0x73,0x00,0x00,0x01,0x80,0x00,0x01,0xE0,0xC1,0xE1,0xE0,0xE0,0x00,0x0F,0x00,0x07,0xC0,0x00,0x00,0x01,0x80,0x0F,0xD9,0xD8,0x03,0xE3,0x0E,0x80,0xFE,0x7E,0xC0,0x03,0xF9,0x80,0x00,0x01,0x80,0x00,0x01,0xE0,0x01,0xE1,0xF0,0xE0,0x00,0x1E,0x00,0x0B,0xC0,0x00,0x00,0x01,0x80,0x0D,0xB8,0x18,0x1F,0xC3,0x08,0xC0,0x0E,0x6D,0x80,0x03,0xF1,0x80,0x00,0x01,0x80,0x00,0x01,0xE0,0x01,0xE0,0xFD,0xC7,0xEF,0x9E,0x00,0x13,0xC0,0x00,0x00,0x01,0x80,0x0D,0xFE,0x18,0x0F,0xC2,0x10,0xE0,0x1C,0x3F,0x00,0x03,0xE0,0xC0,0x00,0x01,0x80,0x00,0x01,0xE0,0x01,0xC0,0xFF,0x83,0xC6,0x1F,0xE0,0x13,0xC0,0x00,0x00,0x01,0x80,0x0D,0xCE,0x18,0x06,0xC2,0x01,0xC0,0x38,0x3E,0x00,0x00,0xE8,0xC0,0x00,0x01,0x80,0x00,0x01,0xE0,0x01,0x80,0x3F,0x81,0xE4,0x3C,0x78,0x23,0xC0,0x00,0x00,0x01,0x80,0x0C,0x4C,0x18,0x00,0xC2,0x03,0x80,0x78,0x1F,0xF0,0x00,0xFC,0x60,0x00,0x01,0x80,0x00,0x01,0xE0,0x03,0x80,0x3F,0xC1,0xE8,0x3C,0x78,0x43,0xC0,0x00,0x00,0x01,0x80,0x0C,0x5E,0x18,0x00,0xC2,0x07,0x00,0x68,0x3F,0xF8,0x03,0xFC,0x22,0x00,0x01,0x80,0x00,0x01,0xE0,0x03,0x00,0x6F,0xC0,0xF0,0x3C,0x3C,0x83,0xC0,0x00,0x00,0x01,0x80,0x06,0x3F,0x38,0x01,0x82,0x0E,0x00,0x09,0xF8,0x00,0x03,0xC0,0x32,0x00,0x01,0x80,0x00,0x01,0xE0,0x06,0x00,0xC3,0xE0,0x78,0x3C,0x3C,0xFF,0xF0,0x00,0x00,0x01,0x80,0x07,0x10,0x38,0x00,0x82,0x1C,0x00,0x0B,0x99,0xC0,0x03,0x00,0x1A,0x00,0x01,0x80,0x00,0x01,0xE0,0x0C,0x11,0xC3,0xE0,0x78,0x3C,0x3C,0xFF,0xF0,0x00,0x00,0x01,0x80,0x03,0xFF,0xF0,0x00,0x02,0x38,0x00,0x08,0x30,0xE0,0x02,0x00,0x1E,0x00,0x01,0x80,0x00,0x01,0xE0,0x08,0x11,0xC1,0xE0,0x7C,0x3C,0x3C,0xFF,0xF0,0x00,0x00,0x01,0x80,0x01,0xEF,0xF0,0x00,0x00,0xE0,0x00,0x08,0xE0,0x60,0x00,0x00,0x0E,0x00,0x01,0x80,0x00,0x01,0xE0,0x1F,0xF1,0xC1,0xE0,0xBC,0x1C,0x3C,0x03,0xC0,0x00,0x00,0x01,0x80,0x00,0x03,0xE0,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x07,0x00,0x01,0x80,0x00,0x01,0xE0,0x3F,0xE1,0xC1,0xC0,0x9E,0x1E,0x38,0x03,0xC0,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x80,0x00,0x01,0xF0,0x7F,0xE0,0xE3,0x83,0x1F,0x0E,0x70,0x03,0xC0,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x0F,0xFC,0xFF,0xE0,0x3F,0x07,0xDF,0x83,0xE0,0x03,0xC0,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0