atmega32用lcd12864画图全集程序.doc

atmega32用lcd12864 画图全集程序 先上效果图好的看程序1主程序 #include#include #include #include lcd.h#include draw.h#define uchar unsigned char #define uint unsigned intuchar capv; /此处定义字符串char text_1= 电容电压测试 ;char text_2=时间： 1000 ms ;char text_3=电压门限：50 V;char text_4=ww容电压： . V;void inti_port(void)/端口初使化 DDRA=0xff;PORTA=0xff;DDRB=0xff;PORTB=0xff; /主函数 int main(void) inti_port();init_lcd();while(1) draw_image(); 2. lcd.h/*文件：lcd.h用途：显示*/#ifndef _lcd_H_#define _lcd_H_#define RS (14)#define RW (15)#define EN (16)#define uchar unsigned char #define uint unsigned int /* 函数名称 ：chk_busy* 功能描述 ：检测LCD忙信号E=1,RS=0,RW=1*/void chk_busy(void) DDRB=0X00;/PA口输入 PORTB=0XFF;/打开上拉 PORTA|=RW; /RW=1 PORTA &=RS; /RS=0 PORTA|=EN; /EN=1 while(PINB&0X80);/读入LCD状态,1=忙,一直等待LCD内部操作完成 DDRB=0XFF; PORTA&=EN; /EN=0 /写指令void WriteCommandLCM(uchar WCLCM) _delay_us(200);chk_busy();PORTA&=RS; /RS=0PORTA&=RW; /RW=0PORTA|=EN; /EN=1PORTB=WCLCM; /输出指令_delay_us(300);PORTA&=EN; /EN=0/写数据void WriteDataLCM(uchar WDLCM)_delay_us(200);chk_busy();PORTA|=RS; /RS=1 PORTA&=RW; /RW=0PORTA|=EN; /EN=1PORTB=WDLCM; /输出数据_delay_us(5);PORTA&=EN; /EN=0/读数据uchar readDataLCM() uchar read;chk_busy();DDRB=0X00;_delay_us(500);PORTA|=RS; /RS=1 PORTA|=RW; /RW=1PORTA|=EN; /EN=1_delay_us(1);read=PINB; /读数据PORTA&=EN; /EN=0DDRB=0Xff;return read;/LCM初始化void LCMInit(void) WriteCommandLCM(0x38); /显示模式设置,开始要求每次检测忙信号WriteCommandLCM(0x01); /显示清屏WriteCommandLCM(0x06); /显示光标移动设置WriteCommandLCM(0x0C); /显示开及光标设置/按指定位置显示一串字符/液晶显示：汉字为16*16，字母及数字为8*16，此次显示的文本/ 从第一行第一列开始，依次向左，如果想在不同的/ 位置显示，只需修改相应的行值即可。液晶显示/ 完毕后，转入语音文本发送。/DisplsyList(X,DData)函数:X为0x80在第一行显示；X为0x90在/第二行显示；X为0x88在第三行显示；X为0x98在/第四行显示；DData为显示数组。void DisplayList(uchar X,char *DData)unsigned char length;unsigned char i=0;char *p;p = DData;length = strlen(p);WriteCommandLCM(X);for(i=0;ilength;i+)WriteDataLCM(DDatai);i+;WriteDataLCM(DDatai);void Display(uchar X,char DData)WriteCommandLCM(X);WriteDataLCM(DData);void Displayread(uchar X,uchar lcdh,uchar lcdl) WriteCommandLCM(X); WriteDataLCM(lcdh); WriteDataLCM(lcdl);#endif3.draw.h/*文件：draw.h用途：画图*/#ifndef _draw_h_#define _draw_h_#include #include#include lcd.h#define uint unsigned int#define uchar unsigned char#define xz1 0x80/1000 0000 上屏地址#define xz2 0x88/1000 1000 下屏地址#define yy 0x80/1000 0000#define cd 0x01 /檫除点#define fd 0x02 /反相点#define hd 0x03 /画点void dimg(uchar);/定义传送数据代码为1unsigned char temp;int x;/定义传送数据代码为1void wr_lcd (uchar dat_comm,uchar content); /写控制字与数据void DrawPoint(uchar X,uchar Y,uchar Type); /画点void lat_disp(uchar data1,uchar data2); /画直线unsigned char ReadByte( void ); /读点void DrawRetic(uchar,uchar,uchar,uchar); /画矩形void DrawLine(uchar x1,uchar y1,uchar x2,uchar y2); /插植法话两点之间线void DrawCircle(uchar x0,uchar y0,uchar r);/x0,y0为圆心坐标，r为圆半径void DrawSineWave();/画波void chk_busy (void);void delay (uint us);void clrram(void);/* 函数名称 ：init_lcd* 功能描述 ：初始化LCD*/void init_lcd () WriteCommandLCM(0x30); /显示模式设置,开始要求每次检测忙信号 WriteCommandLCM(0x01); /显示清屏 WriteCommandLCM(0x06); /显示光标移动设置 WriteCommandLCM(0x0C); /显示开及光标设置void lat_disp(uchar data1,uchar data2) uchar i,j,x; if(data232) x=xz1; j=data2; else x=xz2; j=data2-32; for(i=0;i4 ; bitt = X & 0x0f ; if( Y 32 ) Row = Y ; else Row = Y - 32 ; Tier += 8 ; WriteCommandLCM(Row + 0x80); WriteCommandLCM(Tier + 0x80); readDataLCM() ; ReadOldH = readDataLCM() ; ReadOldL = readDataLCM() ; WriteCommandLCM(Row + 0x80); WriteCommandLCM(Tier + 0x80); if( bitt 8 ) switch( Color) case cd : ReadOldH &=( ( 0x01 ( 7 - bitt ) ; break ; case hd : ReadOldH |= ( 0x01 ( 7 - bitt ) ; break ; case fd : ReadOldH = ( 0x01 ( 7 - bitt ) ; break ; default : break ; else switch(Color) case cd : ReadOldL &= ( 0x01 ( 15 - bitt ) ; break ; case hd : ReadOldL |= ( 0x01 ( 15 - bitt ) ; break ; case fd : ReadOldL = ( 0x01 ( 15 - bitt ) ; break ; default : break ; WriteDataLCM(ReadOldH); WriteDataLCM(ReadOldL); WriteCommandLCM(0x36);/* 画正方形*/void DrawRetic(uchar z0,uchar y0,uchar z1,uchar y1) /画矩形，x0,y0为左上角坐标，x1,y1为右下角坐标 uchar i;for(i=0;i=z1-z0;i+) DrawPoint(z0+i,y0,hd); DrawPoint(z0+i,y1,hd); for(i=0;i=y1-y0;i+) DrawPoint(z0,y0+i,hd); DrawPoint(z1,y0+i,hd); /*插值法画任意两点之间直线的函数*/void DrawLine(uchar x1,uchar y1,uchar x2,uchar y2) /x1,y1起点坐标；x2,y2终点坐标； uchar x,y; uchar d_x,d_y; uchar err=0; uchar temp=0; if(y2x2) x=x1;x1=x2;x2=x; for ( x=x1;x=x1) temp=1;d_x=x2-x1; else d_x=x1-x2; x=x1; y=y1; DrawPoint(x,y,hd); if(temp&(d_y=d_x) while(x!=x2) if(errd_x) while(y!=y2) d_x=x2-x;d_y=y2-y; if(err0) x=x+1;y=y+1;err=err+d_y-d_x; else y=y+1;err=err-d_x; DrawPoint(x,y,hd); else if(!temp&(d_y=d_x) while(x!=x2) d_x=x-x2;d_y=y2-y; if(errd_x) while(y!=y2) d_x=x-x2;d_y=y2-y; if(err0)x=x-1;y=y+1;err=err+d_y-d_x; else y=y+1;err=err-d_x; DrawPoint(x,y,hd); /*/void DrawCircle(uchar x0,uchar y0,uchar r)/x0,y0为圆心坐标，r为圆半径uchar xn,yn,xi,yi;unsigned int j;xn=cos(0)*r+x0;yn=sin(0)*r+y0;for(j=0;j630;j+)xi=(cos(j*0.01)*r)+x0;yi=(sin(j*0.01)*r)+y0;DrawLine(xn,yn,xi,yi); /在一系列零散的点上，两点两点之间连线，从而得到一条曲线xn=xi;yn=yi; /*/画波*/void DrawSineWave()uchar xn=0;uchar yn=32;uchar i;uchar xi,yi; for(i=0;i127;i+) xi=i; yi=(sin(i*0.1)*32)+32;DrawLine(xn,yn,xi,yi); /在一系列零散的点上，两点两点之间连线，从而得到一条曲线xn=i;yn=yi;/*/* 函数名称 ：clrram* 功能描述 ：将DDRAM填满20H,并且设定DDRAM的地址计数器(AC)到00H*/void clrram(void) WriteCommandLCM(0x30); WriteCommandLCM(0x01);/* 函数名称 ：画图* 功能描述 ：分主函数*/void draw_image(void) uchar ai,bz; clrram(); _delay_ms(1); for(ai=0;ai64;ai+) lat_disp(0x00,ai); /清屏 lat_disp(0x00,20); /画直