51单片机128*64液晶C程序

51单片机128*64液晶C程序

下面是带中文字库的LCD12864#include#include void lcd_init(void);void clr_lcd(void);void send_com(unsigned char cmd);void send_data(unsigned char dat);void chek_busy(void);void set_xy(unsigned char xpos,unsigned char ypos); void print(unsigned char x,unsigned char y,char* str);void printstr(unsigned char xpos,unsigned char ypos,unsigned char str[],unsigned char k);unsigned char code buf[4] ={0xbb,0xb6,0xd3,0xad};//欢迎#define DATA P2#define CONTROL P0#define E 7 //并行的使能信号 sbit E = P0^7 #define RW 6 //并行的读写信号 sbit RW = P0^6 #define RS 5 //并行的指令数据选择信号 sbit RS = P0^5 #define PSB 4 //并/串行接口选择 sbit PSB = P0^4#define RST 3 //复位 低电平有效 sbit RST = P0^3#define SETB(x,y) (x|=(1<16) {return;}if(column<8) SelectScreen(1); //如果列数<8(0,1,2,3,4,5,6,7)则写在第一屏上else {SelectScreen(2); //否则 (8,9,10,11,12,13,14,15)写在第二屏上column=column & 0x07; //防止越界}SetLine(lin);SetColumn(column<<3);for(i=0;i<8;i++) WriteByte( CBYTE[address+i] );}/*------------------------------------------------------------------------------------------------*///显示8*16字符//旋转90度:字模被竖着切分//lin:行(0-3), column: 列(0-15)//character:字符代码(标准ASCII码)void ShowChar(unsigned char lin,unsigned char column,unsigned char character){ lin=lin<<1;Show88(lin ,column,ASCII816[character-0x20] );Show88(lin+1,column,ASCII816[character-0x20]+8 );}/*-----------------------------------------------------------------------------------------------*//*//显示8*16字符串//!!!只能显示在一行上即: 串长+column <=15//旋转90度:字模被竖着切分//lin:行(0-3), column: 列(0-15)//address : 字模区首地址void ShowString(unsigned char lin,unsigned char column, unsigned char *string){ unsigned char ch;unsigned char i=0;while(*string!=''\0''){ch=*string;if(i+column >15) break; //(只能显示在一行上即: 串长+column <=15)ShowChar(lin,i+column,ch);string++; i++;}}*//*----------------------------------------------------------------------------------------------*///显示一个汉字//旋转90度:字模被竖着切分//lin:行(0-3), column: 列(0-7)//hzcode: 汉字代码(自定义的)//uchar code HZtablevoid ShowHZ(unsigned char lin,unsigned char column,unsigned int hzcode){lin=lin<<1; //lin*2Show88(lin,column,HZTable[hzcode]);Show88(lin,column+1,HZTable[hzcode]+8);Show88(lin+1,column,HZTable[hzcode]+16);Show88(lin+1,column+1,HZTable[hzcode]+24);}/*----------------------------------------------------------------------------------------------*///显示图片//旋转90度 :字模被竖着切分//startline :开始行//startcolumn:开始列//linechar :图片行点除8(图片以8*8点阵为单位)//columnchar :图片列点除8(图片以8*8点阵为单位)//address : 字模区首地址void ShowPicture(unsigned char startline,unsigned char startcolumn,unsigned char linechar,unsigned char columnchar,unsigned int address){ unsigned char i,j;for(i=0;i15) return; //!!编译器有问题,须强制退出ShowChar(lin, i , byte);i=i+1;}else // byte >= 0x80(汉字){if(i>15) return; //!!编译器有问题,须强制退出byte=byte & 0x7f; //最高位置0,即:减去0x8000hzcode=(unsigned int)byte<<8; //?? //高8位hzcode=hzcode+linehead[i+1]; //加低8位,组合成整型数地址ShowHZ( lin,i,hzcode);i=i+2;}}}/*----------------------------------------------------------------------------------------------------*///显示一屏汉字//pageheadaddr:此屏汉字代码地址区首地址void ShowPage(unsigned char pagehead[][16]){ unsigned char i;for(i=0;i<4;i++) ShowLine(i,pagehead[i]); //1行8个汉字,16字节}/*----------------------------------------------------------------------------------------------------*///读显示数据unsigned char ReadByte(){unsigned char dat;CheckState();di=1; rw=1;LCD12864DataPort=0xff;en=1; dat=LCD12864DataPort; en=0;return(dat);}/*----------------------------------------------------------------------------------------------------*///反显一个8*8字块//lin:行(0-3), column: 列(0-7)void ReverseShow88(unsigned char lin,unsigned char column){ unsigned char i;unsigned char tab[8];if(column<8) SelectScreen(1); //如果列数<4(0,1,2,3),则写在第一屏上else SelectScreen(2); //否则 (4,5,6,7), 写在第二屏上//读上部8列column=column<<3; //每个方块8*8大小SetLine(lin);SetColumn(column);tab[0]=ReadByte(); //空读!!!!! //?for(i=0;i<8;i++) tab[i]=~ReadByte();//写回SetLine(lin);SetColumn(column);for(i=0;i<8;i++) WriteByte(tab[i]);}/*----------------------------------------------------------------------------------------------------*//*----------------------------------------------------------------------------------------------------*///反显一个字符//lin:行(0-4), column: 列(0-15)void ReverseShowChar(unsigned char lin,unsigned char column){ lin=lin<<1;ReverseShow88(lin ,column);ReverseShow88(lin+1,column);}/*----------------------------------------------------------------------------------------------------*///反显一个汉字//lin:行(0-3), column: 列(0-7)ReverseShowHZ(unsigned char lin,unsigned char column){lin=lin<<1;column=column<<1;ReverseShow88(lin ,column );ReverseShow88(lin ,column+1);ReverseShow88(lin+1,column );ReverseShow88(lin+1,column+1);}/*----------------------------------------------------------------------------------------------------*///反显一行汉字//lin:行ReverseShow(unsigned char lin){ unsigned char i;for(i=0;i<8;i++) ReverseShowHZ(lin,i);}/*----------------------------------------------------------------------------------------------------*/void InitLCD() //初始化LCD{ unsigned char i=250; //延时while(i--);//reset=0;//复位//reset=1;SelectScreen(0);SetOnOff(0); //关显示ClearScreen(1);//清屏ClearScreen(2);SelectScreen(0);SetOnOff(1); //开显示SelectScreen(0);SetStartLine(0); //开始行:0}/*----------------------------------------------------------------------------------------------------*/void Reset() //液晶复位{//reset 低复位 _ -reset=0;_nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_();reset=1;//全屏cs1=0;_nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_();cs2=0; _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_();SendCommandToLCD(0x3F);}