12864显示波形

1、仅供参考Lcd12864.c: #i nclude lcd12864.hvoid LCDDelay (char t)char i,j;for(i=0;it;i+)for(j=0;j10;j+);void CheckState()char dat;LCDRs = 0;LCDRw = 1;dodat = 0 x00;LCDE n = 1;LCDDelay(2);LCDE n=0; dat=0 x80&dat; while(!(dat=0 x00);void write_com (char cmdcode)CheckState ();LCDRs = 0;LCDRw = 0;LCDData =

2、 cmdcode;LCDDelay (2);LCDE n = 1;LCDDelay (2);LCDE n = 0;void write_data (char LCDDispdata)CheckState ();LCDRs=1;LCDRw=0;LCDData=LCDDispdata;LCDDelay(2);LCDE n=1;LCDDelay(2);LCDE n=0;void LCDI nit ()LCDDelay(IOO);LCDCs 1=1;LCDCs2=1;仅供参考LCDDelay(IOO);write_com(LCDDispOff);write_com(PageAdd+0);write_c

3、om(StartL in e+0);write_com(LCDColAdd+0);write_com(LCDDispO n);void LCDClear()char k,j;LCDCs1=0;LCDCs2=0;write_com(PageAdd+0);write_com(LCDColAdd+0);for(k=0;k8;k+)write_com(PageAdd+k);for(j=0;j64;j+)”.0 /write_com(LCDColAdd+j);write_data(OxOO);void LCDWriteCh in ese (char leftright, char page, char

4、colu mn, char chin ese) char i = 0,j=0;. - -if(leftright=L)LCDCs1=0;LCDCs2=1;else if (leftright = R)LCDCs1 = 1; LCDCs2=0;for(i=0;i2;i+)write_com(PageAdd+page+i);write_com(LCDColAdd+colum n);for(j=0;j16;j+)write_data(chi nese16*i+j);void LCDWriteChi neseBlack(char leftright,char page,char colu mn, ch

5、ar chin仅供参考ese) char i = 0, j =0;if(leftright=L)LCDCs1=0;LCDCs2=1;else if(leftright=R)LCDCs 1=1;LCDCs2=0;Ifor(i=0;i2;i+)write_com(PageAdd+page+i);.- iwrite_com(LCDColAdd+colum n);for(j=0;j16;j+)”夕:-write_data(chi nese16* i+j);void LCDWriteNum (char leftright,char page,char colu mn, char nu m)char i

6、=0,j=0;. - -if(leftright=L)LCDCs1=0;LCDCs2=1;else if (leftright=R)LCDCs 1=1;LCDCs2=0;for(i=0;i2;i+)write_com(PageAdd+page+i);write_com(LCDColAdd+colum n);for(j=0;j8;j+)write_data( num8* i+j);void LCDWriteNumBlack(char leftright,char page,char colu mn ,char nu m) char i=0,j=0;if(leftright=L)LCDCs1=0;

7、LCDCs2=1;else if(leftright=R)LCDCs 1=1;LCDCs2=0;for(i=0;i2;i+)write_com(PageAdd+page+i); write_com(LCDColAdd+colum n);for(j=0;j8;j+)1 / -write_data( num8*i+j);Lcd12864.h#ifndef _LCD12864_H、 J：#defi ne _LCD12864_HJ _ -#in clude #defi ne LCDDispOff 0 x3e#defi ne LCDDisp On 0 x3f#defi ne PageAdd 0 xb8

8、/页地址#defi ne LCDColAdd 0 x40列地址#defi ne StartLi ne 0 xc0 /行地址#defi ne LCDData P0sbit LCDCsl =P2A0; /?片选?1?sbit LCDCs2 =卩2人1; /?片选?2?sbit LCDRet =卩2人2; /?复位端？sbit LCDRw =卩2人3; /?“数据/指令”？选择？sbit LCDRs =卩2人4; /? “读/写”？选择？sbit LCDE n =卩2人5; /?仅供参考“读/写”？使能?仅供参考/*函数声明，供模块内部使用*/static void LCDDelay (char t

9、);？延时函数？static void CheckState ( );/?检测忙标志？static void write_com (char cmdcode);/?写指定?static void write_data (char LCDDispdata); /?写数据？/*函数声明，外部调用*/void LCDInit ( );/?12864? 初始化？void LCDClear ( );/?12864? 清屏？void LCDWriteCh in ese (char leftright, char page, char colu mn, char chin ese);/12864 显示一个汉

10、字？void LCDWriteCh in eseBlack (char leftright, char page,char colu mn ,char chinese);/12864?定列显示一个汉字，以黑色背景白色文本显示？void LCDWriteNum (char leftright, char page,char colu mn, char num);/12864?示一个数字？void LCDWriteNumBlack (char leftright, char page, char colu mn ,char num);/?12864? 定列显示一个数字，以黑色背景白色文本显示？#e

11、n difMain .cI J.#i nclude lcd12864.hchar code san 1=0 x01,0 x02,0 x04,0 x08,0 x10,0 x20,0 x40,0 x80,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,厂 r110 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x01,0 x02,0 x04,0 x08,0 x10,0 x20,0 x40,0 x80;M-ychar code san 2=0 x00,0 x00,0 x00,0 x00,0 x00,0

12、x00,0 x00,0 x00,0 x80,0 x40,0 x20,0 x10,0 x08,0 x04,0 x02,0 x01,0 x80,0 x40,0 x20,0 x10,0 x08,0 x04,0 x02,0 x01, 0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00;char code sin 1=0 x00,0 x00,0 x00,0 xE0,0 x18,0 x04,0 x02,0 x01,0 x01,0 x02,0 x04,0 x18,0 xE0,0 x00,0 x00,0 x00,0 xE0,0 x1C,0 x03,0 x00,0 x

13、00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x03,0 x1C,0 xE0;char code sin 2=0 x07,0 x38,0 xC0,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 xC0,0 x38,0 x07,0 x00,0 x00,0 x00,0 x07,0 x18,0 x20,0 x40,0 x80,0 x80,0 x40,0 x20,0 x18,0 x07,0 x00,0 x00,0 x00;char code rec=指定页指定列指定页

14、指指定屏指定页指定列显指定屏指定页指仅供参考0 x01,0 x01,0 x01,0 x01,0 x01,0 x01,0 x01,0 xFF,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 xFF,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 x00,0 xFF,0 x80,0 x80,0 x80,0 x80,0 x80,0 x80,0 x80,0 xFF; void delay (int t)int i, j;for(i=t;i0;i-) for(j=125;j0;j-);void mai n(void)LCDI nit (

15、);LCDCIear();while(1)LCDWriteCh in ese(L,0,0,sa n1);LCDWriteChi nese(L,0,16,sa n2);LCDWriteChi nese(L,0,32,sa n1);LCDWriteChi nese(L,0,48,sa n2);LCDWriteChi nese(R,0,0,sa n1);LCDWriteChi nese(R,0,16,sa n2);LCDWriteChi nese(R,0,32,sa n1);LCDWriteChi nese(R,0,48,sa n2);LCDWriteCh in ese(L,2,0,rec);LCDWriteChi nese(L,2,16,rec);LCDWriteChi nese(L,2,32,rec);LCDWriteChi nese(L,2,48,rec);LCDWriteChi nese(R,2,0,rec);LCDWriteChi nese(R,2,16,rec);LCDWriteChi nese(R,2,32,rec);LCDWriteChi nese(R,2,48,rec);LCDWriteCh in ese(L,4,0