很好用的12864驱动程序
液晶屏12864的FPGA驱动程序
//液晶屏12864驱动芯片型号为ST7920//芯片型号Altera CYCLONE II EP2C8Q208C8//板载时钟50MHzmodule LCD_test(clk,rst,lcd_e,lcd_rs,lcd_rw,data);input clk; //模块输入时钟50MHzinput rst; //复位信号输入output lcd_e; //使能端output lcd_rs; //数据指令选择output lcd_rw; //读写选择output [7:0] data;reg lcd_e; //这样定义是必须的reg lcd_rw;reg lcd_rs;reg [7:0] data;reg [21:0] clkcnt; //分频用计数寄存器reg clkdiv;reg double_div;reg flag; //初始化标志，复位后flag=0，表示未初始化reg [7:0] state;wire bz_clkcnt;parameter idle=8'b0000_0000; //状态0：用于初始化判断parameter setfunction=8'b0010_0000; //用于选择指令集（基本指令集或扩展指令集）parameter switchmode=8'b0000_1000; //显示状态开关parameter setmode=8'b0000_0100; //parameter clear=8'b0000_0001; //清屏，耗时最久的指令parameter setddram=8'b1000_0000; //设定DDRAM地址，即输入字符的位置parameter write1=8'b1111_0000; //输入字符的编码parameter write2=8'b1110_0000; //再次输入assign bz_clkcnt=(clkcnt[21]==1)?1:0;always@(posedge clk or negedge rst) //分频模块，将50MHz的系统时钟降下来beginif(rst==0)clkcnt=0;else if(clkcnt[21]==1)clkcnt=0;elseclkcnt=clkcnt+1;endalways@(posedge bz_clkcnt or negedge rst) //产生占空比50%的时钟信号beginif(rst==0)clkdiv=0;elseclkdiv=~clkdiv;endalways@(posedge clkdiv) //lcd时钟模块，产生用于lcd动作执行的时钟beginif(rst==0)double_div=0;elsedouble_div=~double_div;endalways@(negedge clkdiv) //lcd使能信号产生模块beginif(rst==0)lcd_e=0;elselcd_e=~lcd_e;endalways@(posedge double_div or negedge rst) //LCD初始化模块，状态机beginif(rst==0)beginflag=0;state=0;endelsebegincase(state)idle:beginif(flag==0) //判断初始化标志位flag==0则进入初始化流程beginflag=1; //开始初始化流程并将flag置1（保证只初始化一回）state=setfunction;endelse //若flag==1表示已经进行过初始化，则不进入初始化流程beginlcd_rw=1;endsetfunction:beginlcd_rw=0;lcd_rs=0;data=8'h30;state=switchmode; end switchmode:beginlcd_rw=0;lcd_rs=0;data=8'h0c;state=clear;endclear:beginlcd_rw=0;lcd_rs=0;data=8'h01;state=setmode; endsetmode:beginlcd_rw=0;lcd_rs=0;data=8'h06;state=setddram; endsetddram:beginlcd_rw=0;lcd_rs=0;data=8'h80;state=write1;endwrite1:beginlcd_rw=0;lcd_rs=1;data="a";state=write2;endwrite2:lcd_rw=0;lcd_rs=1;data="b";state=idle;endendcaseendend endmodule。
很好用的12864驱动程序
^///////////////////////////////////////////////////////////#include<>#include<>#define uchar unsigned char#define uint unsigned int//////////单片机与液晶显示的引脚连接/////////）sbit P32=P3^2; //RSTsbit P33=P3^3; //CS2sbit P34=P3^4; //CS1sbit P35=P3^5; //Esbit P36=P3^6; //rs&DIsbit P37=P3^7; // R/W////////延时/////////…void delay(uint v){while(v!=0)v--;}////////复位///////////》void reset(){P32=0;delay(10);P32=1;delay(10);}—////////write code写指令///////void wcode(uchar c,uchar cs1,uchar cs2){P34=cs1;P33=cs2;P37=0;>P36=0;P1=c;P35=0;delay(10);P35=1;delay(10);P35=0;}￥/////////write data写数据///////////////void wdata(uchar c,uchar cs1,uchar cs2){P34=cs1;P33=cs2;P37=1;*P36=0;P1=c;P35=0;delay(10);P35=1;delay(10);P35=0;}）////////////set start设置起始行/////////////void set_startline(uchar i)//起始行。
11A5A4A3A2A1A0 共有64行 // 液晶显示器的最底层为第一行{i=0xc0+64-i;//此算法为把最顶层做为第一层wcode(i,1,1);~}////////////set 页值设置，起始列值函数/////////////void set_adr(uchar x,uchar y){x=x+0xb8;//页地址设置。
SPI方式来驱动12864液晶
SPI⽅式来驱动12864液晶这是⽤SPI⽅式来驱动12864液晶的源程序，液晶屏的控制芯⽚为ST7565P经测试SPI的时钟可达到振荡频率的⼆分频。
⽐⽤普通IO⼝模拟串⾏的⽅式快多了。
下⾯贴出源代码，有详细注释。
本程序简单实⽤，可拿去作简单参考。
编译环境：GCC+AVR STUDIO单⽚机：ATMEGA 8515晶振： 3.6864M#include //包含头⽂件#include#define COMMAND 1#define DATA 0///////////////////////////////////////////数据线定义：// SI==========PB5 //// A0==========PC0// CS==========PC2// RES=========PC1// SCL=========PB7///////////////////////////////////////////unsigned char gushi[8][112]PROGMEM={{0x10,0x10,0x92,0x92,0x92,0xF2,0x9E,0x92,0x92,0x92,0x92,0x92,0xFE,0x10,0x10,0x00, //君问归期未有期0x00,0x00,0xF8,0x01,0x06,0xE0,0x22,0x22,0x22,0x22,0xE2,0x02,0x02,0xFE,0x00,0x00,0x00,0xF8,0x00,0x00,0xFF,0x00,0x04,0x84,0x84,0x84,0x84,0x84,0x84,0xFC,0x00,0x00,0x00,0x04,0xFF,0x54,0x54,0x54,0xFF,0x04,0x00,0xFE,0x22,0x22,0x22,0xFE,0x00,0x00,0x40,0x40,0x48,0x48,0x48,0x48,0xC8,0xFF,0x48,0x48,0x48,0x48,0x48,0x40,0x40,0x00,0x00,0x04,0x84,0x44,0xE4,0x34,0x2C,0x27,0x24,0x24,0x24,0xE4,0x04,0x04,0x04,0x00,0x00,0x04,0xFF,0x54,0x54,0x54,0xFF,0x04,0x00,0xFE,0x22,0x22,0x22,0xFE,0x00,0x00},{0x40,0x20,0x10,0x0C,0xFE,0x45,0x44,0x44,0x44,0x44,0x44,0x44,0xFD,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x03,0x02,0x02,0x02,0x02,0x03,0x40,0x80,0x7F,0x00,0x00,0x00,0x87,0x40,0x30,0x0F,0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x3F,0x00,0x00,0x42,0x22,0x1B,0x02,0x02,0x0A,0x33,0x62,0x18,0x07,0x02,0x22,0x42,0x3F,0x00,0x00,0x20,0x20,0x10,0x10,0x08,0x06,0x01,0xFF,0x01,0x02,0x04,0x08,0x18,0x30,0x10,0x00,0x02,0x01,0x00,0x00,0xFF,0x09,0x09,0x09,0x29,0x49,0xC9,0x7F,0x00,0x00,0x00,0x00,0x42,0x22,0x1B,0x02,0x02,0x0A,0x33,0x62,0x18,0x07,0x02,0x22,0x42,0x3F,0x00,0x00},{0x00,0x00,0xFE,0x42,0x42,0x42,0x42,0x7E,0x42,0x42,0x42,0x42,0xFE,0x00,0x00,0x00, //巴⼭夜⾬涨池0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x04,0x04,0x84,0xC4,0x3C,0x14,0x85,0x66,0xBC,0x24,0x24,0x24,0xE4,0x24,0x04,0x00,0x02,0x02,0xF2,0x32,0x52,0x92,0x12,0xFE,0x32,0x52,0x92,0x12,0xF2,0x02,0x02,0x00,0x10,0x61,0x86,0x60,0xF2,0x12,0x12,0x1E,0x80,0xFF,0xA0,0x90,0x88,0x86,0x80,0x00,0x24,0x24,0xE4,0xFC,0xA2,0x22,0x22,0x80,0x70,0x00,0xFF,0x40,0x20,0x18,0x00,0x00,0x10,0x60,0x02,0x8C,0x60,0x80,0xF8,0x40,0x40,0xFE,0x20,0x20,0x10,0xF0,0x00,0x00},{0x00,0x00,0x3F,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x78,0x20,0x00,0x00,0x20,0x7F,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x7F,0x00,0x00,0x02,0x01,0x00,0xFF,0x00,0x82,0x41,0x22,0x14,0x09,0x14,0x23,0x40,0xC0,0x40,0x00,0x00,0x00,0xFF,0x01,0x02,0x04,0x00,0x7F,0x01,0x02,0x44,0x80,0x7F,0x00,0x00,0x00,0x04,0xFC,0x03,0x00,0x01,0x41,0x81,0x7F,0x00,0xFF,0x42,0x0C,0x30,0x60,0x20,0x00,0x02,0x01,0x00,0xFF,0x00,0x83,0x40,0x20,0x18,0x07,0x01,0x06,0x18,0xE0,0x40,0x00,0x08,0x08,0x7C,0x03,0x00,0x00,0x3F,0x40,0x40,0x5F,0x40,0x42,0x44,0x43,0x70,0x00},{0x80,0x40,0xF0,0x1C,0x07,0xE2,0x24,0x24,0x24,0xE4,0x04,0x04,0xFC,0x04,0x04,0x00, //何当共剪西窗烛0x00,0x00,0x40,0x42,0x5C,0x48,0x40,0x40,0x7F,0x40,0x50,0x4E,0x44,0xC0,0x00,0x00,0x00,0x10,0x10,0x10,0x10,0xFE,0x10,0x10,0x10,0x10,0xFE,0x10,0x10,0x10,0x00,0x00,0x00,0x04,0xF4,0x54,0x55,0x56,0x54,0xF4,0x04,0x04,0xE6,0x05,0x04,0xF4,0x04,0x00,0x02,0xF2,0x12,0x12,0x12,0xFE,0x12,0x12,0x12,0xFE,0x12,0x12,0x12,0xF2,0x02,0x00,0x00,0x4C,0x44,0xE4,0x54,0x44,0x64,0xD5,0x46,0x44,0x4C,0x54,0xD4,0x24,0x2C,0x00,0x80,0x60,0x00,0xFF,0x20,0x18,0xF0,0x10,0x10,0xFF,0x12,0x10,0xF0,0x10,0x00,0x00},{0x00,0x00,0x7F,0x00,0x00,0x07,0x02,0x02,0x02,0x07,0x20,0x40,0x3F,0x00,0x00,0x00,0x00,0x00,0x20,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x7F,0x00,0x00,0x02,0x02,0x82,0x42,0x32,0x1F,0x0A,0x02,0x02,0x06,0x0B,0x32,0xE2,0x42,0x02,0x00,0x00,0x08,0x8F,0x89,0x49,0x2B,0x1D,0x0B,0x08,0x08,0x08,0x4A,0x8C,0x7B,0x00,0x00,0x00,0x7F,0x28,0x24,0x22,0x21,0x20,0x20,0x20,0x21,0x22,0x22,0x22,0x7F,0x00,0x00,0x00,0x00,0x00,0xFF,0x44,0x62,0x55,0x49,0x55,0x43,0x41,0x40,0xFF,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x04,0x28,0x63,0x21,0x21,0x3F,0x11,0x15,0x1B,0x30,0x00,0x00},{0x80,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x00,0xFE,0x02,0x02,0x02,0xFE,0x00,0x00, //却话巴⼭夜⾬时0x40,0x41,0x4E,0xC4,0x00,0x20,0x24,0x24,0x24,0x24,0xFC,0x22,0x22,0x22,0x20,0x00,0x00,0x00,0xFE,0x42,0x42,0x42,0x42,0x7E,0x42,0x42,0x42,0x42,0xFE,0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x04,0x04,0x84,0xC4,0x3C,0x14,0x85,0x66,0xBC,0x24,0x24,0x24,0xE4,0x24,0x04,0x00,0x02,0x02,0xF2,0x32,0x52,0x92,0x12,0xFE,0x32,0x52,0x92,0x12,0xF2,0x02,0x02,0x00,0x00,0xFC,0x44,0x44,0x44,0xFC,0x10,0x90,0x10,0x10,0x10,0xFF,0x10,0x10,0x10,0x00},{0x00,0x10,0x3C,0x13,0x10,0x08,0x0A,0x1C,0x08,0xFF,0x00,0x08,0x10,0x0F,0x00,0x00,0x00,0x00,0x00,0x7F,0x20,0x10,0x00,0x7E,0x22,0x22,0x23,0x22,0x22,0x7E,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x78,0x20,0x00,0x00,0x20,0x7F,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x7F,0x00,0x00,0x02,0x01,0x00,0xFF,0x00,0x82,0x41,0x22,0x14,0x09,0x14,0x23,0x40,0xC0,0x40,0x00,0x00,0x00,0xFF,0x01,0x02,0x04,0x00,0x7F,0x01,0x02,0x44,0x80,0x7F,0x00,0x00,0x00,0x00,0x07,0x04,0x04,0x04,0x07,0x00,0x00,0x03,0x40,0x80,0x7F,0x00,0x00,0x00,0x00},};//////////////////////////////////发送⼀个字节到ST7565P并等待发送完毕//⼊⼝：要发送的字节//返回值：⽆////////////////////////////////void SPIByte(unsigned char byte){SPDR = byte; //写数据while(!(SPSR & (1<}//////////////////////////////////////////////////将⼀个字节发送的ST7565P的函数//⼊⼝参数：select ,data//select:根据此值确定发送给ST7565P的是数据还是命令//data: 要发送给ST7565的⼀个字节//返回值：⽆////////////////////////////////////////////////void LCD_SPISend(unsigned char select,unsigned char data){PORTC &= ~(1<<2); // CS=0 芯⽚使能信号if(select == COMMAND) //传输的是命令{PORTC &= ~(1<<0); // 根据ST7565P的数据⼿册，传输命令时A0应该是为低电平 SPIByte(data); PORTC |= 1<<0; // A0=1}else{SPIByte(data);}PORTC |= 1<<2; //CS= 恢复不使能}//////////////////////////////////////////////写坐标函数//⼊⼝参数：x y//y: 页⾯地址，此液晶将显⽰区域分为9个页⾯，y的值域0~8 //x: 列地址，值域：0~127//返回值：⽆////////////////////////////////////////////void LCD_XYSet(unsigned char x,unsigned char y){LCD_SPISend(COMMAND,0xB0|y); //y的值为0~8LCD_SPISend(COMMAND,0x10|(x>>4));}///////////////////////////////////////延时函数//⼊⼝：ms 当延时100毫秒时，ms的值为100即可//返回值：⽆/////////////////////////////////////void DelayMs(volatile unsigned int ms){volatile unsigned int i;volatile unsigned int j;for(i=0;i{j=280;while(j--);}}////////////////////////////////////////////////////////初始化SPI及液晶屏的函数//⼊⼝：⽆//返回值：⽆/////////////////////////////////////////////////////void LCD_Init(void){SPCR = 0x5C;SPSR |= 1<//SPI的功能设置解释：使能SPI；采⽤主机模式；SPI的传输模式为模式3；时钟频率为系统时钟的两分频，即 //3.6864/2M DelayMs(100);SPIByte(0xFF); //可发可不发，⽆意义PORTC &= ~(1<<1); //将复位脚拉低DelayMs(5); //延时5ms，等待电源稳定PORTC |= 1<<1; //将复位脚拉⾼DelayMs(5);LCD_SPISend(COMMAND,0xAE); //将液晶屏的显⽰关掉LCD_SPISend(COMMAND,0xA3); //设置偏压⽐LCD_SPISend(COMMAND,0xA0); //设置SEG 输出⽅向LCD_SPISend(COMMAND,0xC8); //设置公共端输出扫描⽅向LCD_SPISend(COMMAND,0x25); //调整(1 + Rb/Ra) ratio 值，调整此值影响很⼤LCD_SPISend(COMMAND,0x81); //开始设置α的命令LCD_SPISend(COMMAND,0x28); //设置α的值，值越⼤对⽐度越强，调整此值影响不太，是微调的DelayMs(5);LCD_SPISend(COMMAND,0x2F); //开启相关电压DelayMs(50);LCD_SPISend(COMMAND,0xF8);LCD_SPISend(COMMAND,0x01); //此两条命令是设置升压⽐的DelayMs(500); //不知此延时可否省去，不过了安全起见，初次调试保留为好。
12864的驱动程序
12864的驱动程序(51汇编)推荐CS2 BIT P1.5CS1 BIT P1.4E BIT P1.2R_W BIT P1.1D_I BIT P1.0RST BIT P1.3COM EQU 20H ; 指令寄存器DAT EQU 21H ; 数据寄存器DENG BIT P1.6WAIT EQU 22H;中断循环次数（软件延时）ORG 0000HAJMP MAINORG 000BHAJMP TIME_ET0ORG 0050HMAIN:NOPMOV WAIT,#00H;清0MOV TMOD,#01H ;方式1,16位定时器MOV TH0,#00HMOV TL0,#00HMOV R5,#0C0H ;设置行命令,选中的行显示在第一行SETB ET0SETB EA ;开定时,但是还没有开T0定时.程序后面才开CLR RSTSETB RST ;给一个低电平脉冲信号来复位LCD; LCALL DELLY; CPL DENG; MOV COM,#3EH ;指令将显示设置开关关闭; LCALL PR1; LCALL DELLY ;延时一段时间MOV COM,#3FH ;指令将显示设置开关打开LCALL PR1LCALL DELLYCLR CS2 ;清屏(清右半边屏幕)SETB CS1LCALL QINGP;清屏子程序LCALL DELLYCLR CS1SETB CS2LCALL QINGP;清屏子程序LCALL DELLY;调延时子程序等待它反应,我们也可以读它的状态来判断.;SJMP $;---------左屏幕----------------;name1:;显示公司名称CLR CS2SETB CS1;选中左半边屏幕LCALL DELLYMOV DPTR,#ADDRJ;江MOV R3,#0B8H ;页地址MOV R4,#40H ;列地址LCALL HZSHOW;LCALL DELLYMOV DPTR,#ADDRS ;苏MOV R3,#0B8H ;页地址MOV R4,#50H ;列地址LCALL HZSHOW;LCALL DELLYMOV DPTR,#ADDRSH ;省MOV R3,#0B8H ;页地址MOV R4,#60H ;列地址LCALL HZSHOW;LCALL DELLYMOV DPTR,#ADDRJI ;激MOV R3,#0B8H ;页地址MOV R4,#70H ;列地址LCALL HZSHOW;显示公司网址; CLR CS2; SETB CS1;选中左半边屏幕;LCALL DELLYMOV DPTR,#ADDW ;WMOV R3,#0BAHMOV R4,#48HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDW ;WMOV R3,#0BAHMOV R4,#50HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDW ;WMOV R3,#0BAHMOV R4,#58HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDD ;.MOV R3,#0BAHMOV R4,#60HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDJ ;JMOV R3,#0BAHMOV R4,#68HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDS ;SMOV R3,#0BAHMOV R4,#70HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDL ;LMOV R3,#0BAHMOV R4,#78HLCALL YWSHOW;LCALL DELLY;显示图象; CLR CS2; SETB CS1;选中左半边屏幕;LCALL DELLYMOV DPTR,#PIC1 ;图象的首地址MOV R3,#0BCH ;第三页MOV R4,#40H ;第0列LCALL PICSHOW ;图象显示子程序MOV DPTR,#PIC2 ;图象的首地址MOV R3,#0BDH ;第四页MOV R4,#40HLCALL PICSHOW;LCALL DELLYMOV DPTR,#PIC3 ;图象的首地址MOV R3,#0BEHMOV R4,#40HLCALL PICSHOWMOV DPTR,#PIC4 ;图象的首地址MOV R3,#0BFHMOV R4,#40HLCALL PICSHOW; LCALL DELLY ;调用延时子程序;-----------右屏幕-------------- ; LCALL DELLYCLR CS1SETB CS2;LCALL DELLYMOV DPTR,#ADDRG;光MOV R3,#0B8H ;页地址 MOV R4,#40H ;列地址 LCALL HZSHOW;LCALL DELLYMOV DPTR,#ADDRY ;研 MOV R3,#0B8H ;页地址 MOV R4,#50H ;列地址 LCALL HZSHOW;LCALL DELLYMOV DPTR,#ADDRJIU ;究 MOV R3,#0B8H ;页地址 MOV R4,#60H ;列地址 LCALL HZSHOW;LCALL DELLYMOV DPTR,#ADDRSUO ;所 MOV R3,#0B8H ;页地址 MOV R4,#70H ;列地址 LCALL HZSHOW;LCALL DELLY;sjmp name1;LCALL DELLYMOV DPTR,#ADDA ;AMOV R3,#0BAHMOV R4,#40HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDS ;SMOV R3,#0BAHMOV R4,#48HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDE ;EMOV R3,#0BAHMOV R4,#50HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDR ;RMOV R3,#0BAHMOV R4,#58HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDD ;.MOV R3,#0BAHMOV R4,#60HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDCC ;CMOV R3,#0BAHMOV R4,#68HLCALL YWSHOW;LCALL DELLYMOV DPTR,#ADDN ;NMOV R3,#0BAHMOV R4,#70HLCALL YWSHOW;LCALL DELLYSETB TR0 ;开定时器AJMP $ ;等待定时中断;中断子程序TIME_ET0:INC WAITMOV A,#0AH ;中断16次,CJNE A,WAIT,TT2; SJMP MOV_LINE ;相等则跳转,换行;ADD_WAIT:; MOV TH0,#00H; MOV TL0,#00H ;清空定时器; RETI;MOV_LINE:NOPMOV WAIT,#00H;清空软件记数单元CPL DENG ;猜想是用来指示换行的灯,没什么实际意义CLR CS2SETB CS1 ;选中左屏MOV COM,R5 ;R5当前的内容 #0C0H,该命令是用来设置显示起始行.所设置的行将在第一行显示,估计用来动态显示的.LCALL PR1 ;1100 0000 后六位对应0-63行,当前是将第一行显示CPL CS1CPL CS2 ;切换到右屏显示MOV COM,R5LCALL PR1CJNE R5,#0FFH,TT;MOV R5,#0C0H;重新开始显示下一个轮回的第一行AJMP TT2TT:INC R5;显示下面一行内容TT2:MOV TH0,#00HMOV TL0,#00H;清空定时器RETIQINGP:MOV R3,#0B8HMOV COM,R3 ;设置页地址为0LCALL PR1MOV COM,#40H;设置列地址0LCALL PR1MOV R1,#00HMOV R2,#00HLOOP_CLR:MOV DAT,#00H;输入数据为0则为清掉屏幕LCALL PR2INC R1CJNE R1,#40H,LOOP_CLR;看看是否到了64列了,如果没有满则继续刷新列MOV R1,#00HINC R2 ;用来控制页数的INC R3 ;下一页,设置地址为下一页MOV COM,R3MOV COM,#40H;重新设置列地址0LCALL PR1CJNE R2,#08H,LOOP_CLRRET;16*16汉字显示的子程序HZSHOW:MOV COM,R3 ;R3为页地址LCALL PR1MOV COM,R4 ;R4为列地址LCALL PR1MOV R2,#20H ;32MOV R1,#00H ;R1用来取字码的LOOP:CJNE R2,#10H,LOOP1;如果不相等则跳转,刚刚开始不相等的,如果相等了则换到下一页 INC R3 ;下一页MOV COM,R3LCALL PR1MOV COM,R4 ;R4为列地址LCALL PR1LOOP1:MOV A,R1MOVC A,@A+DPTRMOV DAT,A ;传送字符编码LCALL PR2INC R1DJNZ R2,LOOPRET;10*16英文显示的子程序YWSHOW:MOV COM,R3LCALL PR1MOV COM,R4LCALL PR1MOV R2,#10HMOV R1,#00HLOOP2:CJNE R2,#08H,LOOP22INC R3MOV COM,R3MOV COM,R4LCALL PR1LOOP22:MOV A,R1MOVC A,@A+DPTRMOV DAT,ALCALL PR2INC R1DJNZ R2,LOOP2RET;32*32图片1HANG显示的子程序PICSHOW:MOV COM,R3;页地址LCALL PR1MOV COM,R4;列地址LCALL PR1MOV R2,#20H;32*32的图片MOV R1,#00HLOOP3:MOV A,R1MOVC A,@A+DPTRMOV DAT,ALCALL PR2INC R1DJNZ R2,LOOP3RET;延时DELLY:MOV R7,#0A8HMS2:MOV R6,#0FFHMS1:DJNZ R6,MS1DJNZ R7,MS2RET;读BF和AC值PR0:PUSH ACCMOV P0,#0FFHSETB ESETB R_WMOV COM,P0CLR EPOP ACCRET;写指令子程序PR1:PUSH ACCSETB ECLR D_ICLR R_WMOV P0,COMCLR EPOP ACCRET;写数据子程序PR2:PUSH ACCSETB ESETB D_ICLR R_WMOV P0,DATCLR EPOP ACCRET; 江(0) 苏(1) 省(2) 激(3) 光(4) 研(5) 究(6) 所(7)ADDRJ:;-- 文字: 江 --;-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --DB 10H,60H,01H,0C6H,30H,00H,04H,04H,04H,0FCH,04H,04H,04H,04H,00H,00H;DB 04H,04H,7EH,01H,20H,20H,20H,20H,20H,3FH,20H,20H,20H,20H,20H,00H;"江",0 ADDRS:;-- 文字: 苏 --;-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --DB 04H,04H,44H,44H,44H,5FH,44H,0F4H,44H,5FH,44H,0C4H,04H,04H,04H,00H;DB 00H,40H,4CH,27H,10H,0CH,07H,01H,20H,40H,40H,3FH,00H,02H,0CH,00H;"苏",1 ADDRSH:;-- 文字: 省 --;-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --DB 00H,10H,90H,88H,86H,0C0H,0C0H,0BFH,0A0H,90H,90H,8AH,84H,18H,00H,00H;DB 01H,01H,00H,00H,0FFH,4AH,4AH,4AH,4AH,4AH,4AH,4AH,0FFH,00H,00H,00H;"省",2 ADDRJI:;-- 文字: 激 --;-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --DB 10H,21H,86H,60H,7CH,56H,0D5H,54H,7CH,20H,0F8H,17H,90H,70H,10H,00H;DB 04H,7CH,43H,21H,19H,07H,45H,85H,7DH,20H,13H,0CH,33H,60H,20H,00H;"激",3 ADDRG:;-- 文字: 光 --;-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --DB 00H,40H,42H,44H,5CH,0C8H,40H,7FH,40H,0C0H,50H,4EH,44H,60H,40H,00H;DB 00H,80H,40H,20H,18H,07H,00H,00H,00H,3FH,40H,40H,40H,40H,78H,00H;"光",4ADDRY:;-- 文字: 研 --;-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --DB 02H,0C2H,0F2H,4EH,0C2H,02H,40H,42H,0FEH,42H,42H,42H,0FEH,42H,42H,00H;DB 01H,00H,3FH,10H,9FH,40H,20H,18H,07H,00H,00H,00H,0FFH,00H,00H,00H;"研",5 ADDRJIU:;-- 文字: 究 --;-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --DB 00H,4CH,24H,94H,84H,84H,0F5H,86H,84H,84H,14H,24H,44H,0CH,04H,00H;DB 00H,00H,40H,20H,10H,0CH,03H,00H,00H,3FH,40H,40H,40H,40H,78H,00H;"究",6ADDRSUO:;-- 文字: 所 --;-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --DB 00H,0FEH,12H,12H,11H,0F1H,01H,00H,0FEH,22H,22H,21H,0E1H,21H,21H,00H;DB 40H,3FH,01H,01H,81H,41H,30H,0CH,03H,00H,00H,00H,0FFH,00H,00H,00H;"所",7;公司网址:w(0) w(1) w(2) .(3) j(4) s(5) l(6) a(7) s(8) e(9) r(10) .(11) c(12) n(13) ADDW:;-- 文字: w --DB 80H,80H,00H,80H,00H,80H,80H,80H,0FH,30H,0CH,03H,0CH,30H,0FH,00H;"w",0ADDD:;-- 文字: . --DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,30H,30H,00H,00H,00H,00H,00H;".",3ADDJ:;-- 文字: J --DB 00H,00H,00H,80H,98H,98H,00H,00H,00H,0C0H,80H,80H,80H,7FH,00H,00H;"j",4ADDS:;-- 文字: S --DB 00H,00H,80H,80H,80H,80H,80H,00H,00H,33H,24H,24H,24H,24H,19H,00H;"s",5ADDL:;-- 文字: L --DB 00H,08H,08H,0F8H,00H,00H,00H,00H,00H,20H,20H,3FH,20H,20H,00H,00H;"l",6 ADDA:;-- 文字: A --DB 00H,00H,80H,80H,80H,80H,00H,00H,00H,19H,24H,22H,22H,22H,3FH,20H;"a",7 ADDE:;-- 文字: E --DB 00H,00H,80H,80H,80H,80H,00H,00H,00H,1FH,22H,22H,22H,22H,13H,00H;"e",9 ADDR:;-- 文字: R --DB 80H,80H,80H,00H,80H,80H,80H,00H,20H,20H,3FH,21H,20H,00H,01H,00H;"r",10 ADDCC:;-- 文字: C --DB 00H,00H,00H,80H,80H,80H,00H,00H,00H,0EH,11H,20H,20H,20H,11H,00H;"c",12 ADDN:;-- 文字: N --DB 80H,80H,00H,80H,80H,80H,00H,00H,20H,3FH,21H,00H,00H,20H,3FH,20H;"n",13PIC1:;-- 调入了一幅图像;-- 宽度x高度=32x32 --DB 00H,7FH,09H,0FH,00H,7FH,40H,40H,00H,7FH,41H,41H,00H,00H,00H,00H;DB 00H,00H,00H,00H,7FH,41H,41H,41H,00H,4FH,4AH,4AH,7AH,00H,7FH,00H;PIC2:DB 00H,0FEH,82H,7EH,00H,0C4H,8AH,72H,00H,0FEH,12H,1EH,00H,00H,00H,00H; DB 00H,00H,0FCH,22H,0FCH,00H,0FEH,32H,5EH,80H,0FEH,04H,08H,04H,0FEH,00H; PIC3:DB 00H,00H,0FCH,1CH,0F4H,9CH,80H,80H,80H,00H,00H,00H,20H,0F0H,0B8H,0F8H; DB 0BCH,0F0H,20H,00H,00H,0E0H,0E0H,0E0H,00H,80H,9CH,0F4H,9CH,80H,00H,00H; PIC4:DB 00H,00H,7FH,04H,07H,06H,7EH,7EH,40H,00H,00H,00H,00H,33H,32H,7BH;DB 3AH,3BH,78H,38H,00H,00H,00H,01H,0F1H,11H,12H,0FFH,82H,83H,00H,00HEND。
LCD12864驱动程序(带字库的)
{
while(buf--);
}*/
/***********忙检测********************/
void Busy()
{
DataPort=0xFF;
RS=0;
RW=1;
while (1)
{
E =1;
if (P0^7==0) break;
}
E=0;
}
void main(void)
{
TMOD=0x01; ///选择定时器模式
TR0=1; //开中断，并允许T0中断
ET0=1;
EA=1; //总开关
Init_LCቤተ መጻሕፍቲ ባይዱ();
Clear_LCD();
while(1);
}
void t0(void) interrupt 1 using 0
{
//delay(100);
/*void Line_Num(uchar k)
{
//uint l;
if(k>=128&&k<=135)l=1;
if(k>135&&k<=143) l=3;
if(k>143&&k<=151) l=2;
if(k>151&&k<=159) l=4;
}*/
/*******************逐行显示***************************************/
void Write_Data(uchar Data)
{
Busy();
RS=1;
RW=0;
51单片机 12864液晶显示程序
/*========================LCD12864液晶并行驱动程序==========================程序名称：12864液晶驱动程序(并行模式)================================================= ===========================*/#include <at89x52.h>#define uchar unsigned char#define uint unsigned intuchar t,p;/********************************引脚定义***********************************/#define RS P1_0 //RS=0为执行指令；RS=1为执行数据；#define RW P1_1 //读写#define E P1_2 //使能#define PSB P1_3 //低电平（串口驱动）；高电平（并口驱动）#define RST P1_4 //LCD复位/********************************定义数组***********************************/uchar code title[] = {"LCD 并行接口测试"}; uchar code website[]={"qwertyuioopplkjh"}; uchar code dig[]={"0123456789"};uchar code dig2[]={0,1,2,3,':'}; ///*******************************相关子程序**********************************/void Init_lcd(); //初始化液晶void lcd_busy(); //忙标志查询void delay100us(); //100us延时程序void write(uchar x,uchar Data); //写单字节函数void Show(uchar address,uchar L,uchar STR1[]); void Show_dig(uchar address,uint number);/*******************************延时子程序**********************************/void delay100(int n){unsigned char i;while(n--)for(i=0;i<100;i++);}/*******************************LCD 忙标志查询******************************/void lcd_busy(void){uchar busy;P0=0xff;RS=0;RW=1;do{E=1;busy=P0;E=0;}while(busy>0x7f);}/*****************************写指令或数据**********************************/void write(uchar x,uchar Data){lcd_busy(); //忙查询if(x==0){RS=0;RW=0; //写单字节命令字}else if(x==1){RS=1;RW=0; //写单字节数据}E=1;P0=Data;E=0;P0=0xff;}/*******************************初始化LCD **********************************/void Init_lcd(void){delay100(20); //启动等待，等LCM讲入工作状态PSB=1; //并口驱动模式RST=0;delay100(4);RST=1; // 复位LCDwrite(0,0x30); //8 位介面，基本指令集write(0,0x0c); //显示打开，光标关，反白关write(0,0x01); //清屏，将DDRAM的地址计数器归零}/*******汉字和字符显示,参数入口:Show（地址，显示宽度，汉字数组）************/void Show(uchar address,uchar L,uchar STR1[]) {uchar i;write(0,address);for(i=0;i<L;i++)write(1,STR1[i]);}/************纯阿拉伯数字显示，参数入口:Show_dig （地址，数字）**************/void Show_dig(uchar address,uint number){uchar shi,ge;shi=number/10;ge=number%10;write(0,address);delay100(20);write(1,dig[shi]);delay100(20);write(1,dig[ge]);}/************************************主程序**********************************/void main(void){Init_lcd();TMOD=0X01;TH0=0xdc;TL0=0x00;ET0=1;TR0=1;EA=1;P3_6=0;delay100(30);Show(0x83,4,"梁浩"); //写数组里的容write(0,0x0d);delay100(30);Show(0x90,16,"电子科技协会会长"); delay100(30);Show(0x88,16,"TEL "); //写英文delay100(30);while(1){Show_dig(0x99,p); //写实时数组}}void exter() interrupt 1{TH0=0xdc;TL0=0x00;t++;if(t==20){t=0;p++;}if(p==60)p=0;}/***************************************end****** *****************************/。
AVR 单片机驱动12864典型程序
RS_0; //指令======= 先写好指令--- 开使能---赋值---关闭使能
RW_0; //写
E_1; // 使能
PORTA=c; //
#include <iom16v.h>
#include <macros.h>
#define uint unsigned int
#define uchar unsigned char
////////////////////////管脚定义及电平///////
#define RS_1 PORTD|=BIT(6); //寄存器选择，高数据
E_0; //
}
//////////////////////////写数据到LCD//////////
void wdata(uchar c)
{
// lcd_busy(); //判断LCD忙
RS_1; //数据========先写好数据--- 开使能---赋值---关闭使能
RST_1;
delay(10);
}
////////////////判断LCD忙函数/////////
/*void lcd_busy(void)
{
uchar busy;
RS_0;
RW_1; //读指令寄存器
PORTA=0x00; //数据口清零
}
E_0;
delay(10); //否则，禁能
}
DDRA=0xff;
E_0; //禁能
}*/
////////////////////////////写指令到LCD/////////
12864液晶屏串口驱动程序
12864液晶屏串口驱动程序代码12864液晶屏驱动采用4_Wire-SPI串口驱动方式，可有效的减少IO口的占用，方便使用调试，本程序的代码驱动IC为ST7565R,是基于STC89C53RC的12864串行模式的程序，硬件电路连接只需要5根线：RS、 SDA、 SCLK、RES、CS 。
程序已经调试通过，很好用。
代码如下：//----------------------------------------------------------------------/*hotdisplay CO,.LTD.*/// Module : HTG12864// Lanuage : C51 Code// Create :// Version : 1.0// Date : OCT-21-2016// LCM Drive IC : ST7565R// INTERFACE : 4_Wire-SPI// MCU : STC89C53RC// VDD : 3.3V//********************************************************* ******************#include<reg51.h>#define uchar unsigned char#define uint unsigned intuchar bdata transdata;sbit R_S= P3^5;sbit RES= P3^4;sbit SCK= P1^6;sbit SDA= P1^7;sbit CS1= P3^7;sbit transbit = transdata^7 ;#define Page 0xb0//##########################################//void Comwrite(unsigned char com); //D′??á?3ìDò//void Datawrite(unsigned char dat);void Delay(unsigned int time); //?óê±×ó3ìDò//char code Hanzi[]={0xFF,0x01,0x01,0x09,0xF9,0x09,0x01,0x01,0x09,0xF9,0x09,0xE1 ,0x11,0x09,0x09,0x09,0x11,0xE1,0x01,0x19,0x09,0x09,0xF9,0x09,0x09,0x19,0x01,0x01 ,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x09,0xF9,0x09,0x09,0x09,0x11,0xE1,0x01,0x01 ,0x09,0x09,0xF9,0x09,0x09,0x01,0x01,0x01,0x71,0x89,0x09,0x09,0x09,0x39,0x01,0x09 ,0xF9,0x09,0x09,0x09,0x09,0xF1,0x01,0x01,0x01,0xC1,0x39,0xE1,0x01,0x01,0x01,0x09 ,0xF9,0x09,0x01,0x01,0x01,0x01,0x01,0x09,0x39,0xC9,0x01,0xC9,0x39,0x09,0x01,0x01 ,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x09,0xF9,0x09,0x01,0x01,0x01,0x01,0x01,0xC1 ,0x31,0x09,0x09,0x09,0x09,0x39,0x01,0x09,0xF9,0x09,0x09,0x09,0x11,0xE1,0x01,0x01 ,0x01,0x01,0x01,0xFF,0xFF,0x00,0x00,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,0x0F ,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,0x00 ,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,0x20 ,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,0x20 ,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,0x07 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,0x88,0x08,0x08,0x00,0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x38,0x08,0x08 ,0xC8,0x38,0x08,0x00,0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0xE0,0x10,0x08 ,0x08,0x10,0xE0,0x00,0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x10,0x10,0xF8 ,0x00,0x00,0x00,0x00,0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x08,0x88 ,0x88,0x48,0x30,0x00,0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0xF8,0x08,0x88 ,0x88,0x08,0x08,0xFF,0xFF,0x8F,0x90,0xA0,0xA0,0x90,0x8F,0x80,0x80,0xA0,0xA0,0xBF ,0xA0,0xA0,0x80,0x80,0x80,0xB0,0xA8,0xA4,0xA2,0xA1,0xB0,0x80,0x80,0x98,0xA0,0xA0 ,0xA0,0x91,0x8E,0x80,0x80,0x87,0x84,0xA4,0xA4,0xBF,0xA4,0x80,0x80,0x99,0xA1,0xA0 ,0xA0,0x91,0x8E,0x80,0x80,0x8F,0x91,0xA0,0xA0,0x91,0x8E,0x80,0x80,0x80,0x80,0xBF ,0x80,0x80,0x80,0x80,0x80,0x9C,0xA2,0xA1,0xA1,0xA2,0x9C,0x80,0x80,0x80,0xB1,0xA2 ,0xA2,0x91,0x8F,0x80,0x80,0x8F,0x90,0xA0,0xA0,0x90,0x8F,0x80,0x80,0xA0,0xA0,0xBF ,0xA0,0xA0,0x80,0x80,0x80,0xB0,0xA8,0xA4,0xA2,0xA1,0xB0,0x80,0x80,0x98,0xA0,0xA0 ,0xA0,0x91,0x8E,0x80,0x80,0x87,0x84,0xA4,0xA4,0xBF,0xA4,0x80,0x80,0x99,0xA1,0xA0 ,0xA0,0x91,0x8E,0xFF};//###############################################//char code Hanzi1[]={0x00,0x04,0xFC,0x84,0x84,0x84,0x84,0x78,0x00,0x00,0x00,0xA0 ,0xA0,0xA0,0xA0,0xC0,0x00,0x00,0x00,0xC0,0x40,0x20,0x20,0x44,0xFC,0x00,0x00,0x00 ,0x00,0x20,0x20,0xE4,0x00,0x00,0x00,0x00,0x00,0xC0,0x40,0x20,0x20,0x20,0x40,0xC0 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x84,0x84,0x84 ,0x44,0xF8,0x00,0x00,0x00,0x08,0x04,0x04,0x84,0x44,0x38,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF0,0x88,0x44,0x44,0x44,0x80,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0xFC,0x30,0xC0,0x00,0xC0,0x30,0xFC,0x04 ,0x04,0xFC,0x44,0x40,0x40,0x40,0x44,0xFC,0x04,0x00,0x60,0x20,0x20,0x20,0xA0,0x60 ,0x20,0x00,0x00,0x00,0x40,0x48,0x4F,0x48,0x40,0x41,0x42,0x4C,0x48,0x40,0x47,0x48 ,0x48,0x48,0x48,0x47,0x48,0x40,0x40,0x47,0x44,0x48,0x48,0x44,0x4F,0x48,0x40,0x40 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,0x00,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00 ,0x00,0xF0,0x00,0x00,0x00,0x00,0x80,0x40,0x20,0x10,0x00,0x00,0x80,0x00,0x80,0x80 ,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x00,0xC0,0x30,0x00,0xF0,0x00,0x80 ,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x1F,0x1F,0x1F,0xFF,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0 ,0xE0,0xFF,0x1F,0x1F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0xFF ,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xFF,0x1F,0x1F,0x1F,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0xFF,0xE0,0xE0,0xE0,0xE0 ,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xFF,0x1F,0x1F,0x1F,0x00,0x00,0x00,0x00,0x00 ,0x00,0xFF,0x08,0x04,0x02,0x07,0x08,0x30,0x40,0x80,0x00,0x00,0xFF,0x01,0x00,0x00 ,0x00,0xFF,0x01,0x00,0x00,0x00,0xFF,0x00,0xC0,0x3C,0x03,0x00,0x00,0xFF,0x01,0x00 ,0x00,0x00,0xFF,0x00,0x04,0x04,0x84,0x44,0x44,0x44,0x84,0x04,0x04,0x04,0x84,0x44 ,0x44,0x44,0x84,0x04,0x04,0x04,0x84,0x84,0xC4,0x04,0x04,0x04,0x04,0x04,0x84,0x44 ,0x44,0x44,0x84,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x84,0x84 ,0xC4,0x04,0x04,0x04,0x04,0x04,0x84,0x44,0x44,0x44,0x84,0x04,0x04,0x04,0x04,0x04 ,0x04,0x04,0x04,0x04,0x04,0x04,0x84,0x44,0x44,0x44,0x84,0x04,0x04,0x04,0x84,0x44 ,0x44,0x44,0x84,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x84,0x84 ,0xC4,0x04,0x04,0x04,0x04,0x04,0xC4,0x44,0x44,0x44,0x44,0x04,0x04,0x04,0x04,0x04 ,0x04,0x04,0x04,0x04,0x04,0x84,0x44,0x44,0x44,0x84,0x04,0x04,0x04,0xC4,0x44,0x44 ,0x44,0x44,0x04,0x04,0x00,0x00,0x60,0x50,0x48,0x44,0x43,0x00,0x00,0x00,0x3F,0x40 ,0x40,0x40,0x3F,0x00,0x00,0x00,0x40,0x40,0x7F,0x40,0x40,0x00,0x00,0x00,0x3F,0x40 ,0x40,0x40,0x3F,0x00,0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00,0x40,0x40 ,0x7F,0x40,0x40,0x00,0x00,0x00,0x60,0x50,0x48,0x44,0x43,0x00,0x00,0x08,0x08,0x08 ,0x08,0x08,0x08,0x08,0x00,0x00,0x20,0x40,0x44,0x44,0x3B,0x00,0x00,0x00,0x3F,0x40 ,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x40 ,0x7F,0x40,0x40,0x00,0x00,0x00,0x27,0x44,0x44,0x44,0x38,0x00,0x00,0x00,0x00,0x00 ,0x21,0x00,0x00,0x00,0x00,0x60,0x50,0x48,0x44,0x43,0x00,0x00,0x00,0x27,0x44,0x44 ,0x44,0x38,0x00,0x00,};void Delay(unsigned int time){unsigned char j;while(time--){for(j=0;j<=50;j++){}}}/******************************************************/ void Display(unsigned char sda,unsigned char sda1){unsigned char i,j,k=0;Comwrite(0x40);for(i=0;i<8;i++){Comwrite(Page+k);Comwrite(0x10);Comwrite(0x00);for(j=0;j<66;j++){Datawrite(sda);Datawrite(sda1);}k++;}}/*****************************************************/void Hanzi_Disp(void){unsigned char i,j,k=0;Comwrite(0x40);for(i=0;i<8;i++){Comwrite(Page+k);Comwrite(0x10);Comwrite(0x00);for(j=0;j<128;j++){Datawrite(Hanzi[i*128+j]);}k++;}Delay(5000);}void Hanzi_Disp1(void){unsigned char i,j,k=0;Comwrite(0x40);for(i=0;i<8;i++){Comwrite(Page+k);Comwrite(0x10);Comwrite(0x00);for(j=0;j<128;j++){Datawrite(Hanzi1[i*128+j]);}k++;}Delay(5000);}//######################################################### void Intial(void){Delay(100);Comwrite(0xe3);Comwrite(0xA2);Comwrite(0xA0); //A0为正显示，A1为镜像显示Comwrite(0xc9);Comwrite(0x2c);Comwrite(0x2e);Comwrite(0x2F);Comwrite(0xf8);Comwrite(0x00);Comwrite(0x81);Comwrite(0x10);Comwrite(0x25);Comwrite(0xAF);Comwrite(0x40);Delay(20);}/********************************************************** /int main(){/*PINSEL0=0x00000000; IO0DIR=SPIIOCON;RES=0;Delay(20);RES=1;Delay(20);while(1){Intial();Delay(20);Display(0xFF,0xFF);Delay(1000);Display(0x00,0x00);Delay(1000);Display(0xFF,0x00);Delay(1000);Display(0x00,0xff);Delay(1000);Display(0x55,0xAA);Delay(1000);Display(0xAA,0x55);Delay(1000);Hanzi_Disp(); Delay(1000);Hanzi_Disp1();Delay(1000);}}//###############################################// void Comwrite(char com){unsigned char data i;transdata=com;CS1=0;R_S=0;SCK=1;for(i=0;i<8;i++){SDA=transbit;SCK=0;SCK=1;transdata=transdata<<1;}CS1=1;R_S=0;}//######################################################### ##//void Datawrite(char dat){unsigned char data i;transdata=dat;CS1=0;R_S=1;SCK=1;for(i=0;i<8;i++){SDA=transbit;SCK=0;SCK=1;transdata=transdata<<1;}CS1=1;R_S=0;}以上是鑫洪泰的小编为你带来的12864液晶屏驱动程序编写示例，如果你想有更进一步的了解，请您关注我们微信，或者点击我们官网了解我们，也可以在线咨询或者拨打我们的热线电话与我们联系！我们会有专业的工作人员为你实时解答。
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///////////////////////////////////////////////////////////#include<reg52.h>#include<absacc.h>#define uchar unsigned char#define uint unsigned int//////////单片机与液晶显示的引脚连接///////// sbit P32=P3^2; //RSTsbit P33=P3^3; //CS2sbit P34=P3^4; //CS1sbit P35=P3^5; //Esbit P36=P3^6; //rs&DIsbit P37=P3^7; // R/W////////延时/////////void delay(uint v){while(v!=0)v--;}////////复位///////////void reset(){P32=0;delay(10);P32=1;delay(10);}////////write code写指令///////void wcode(uchar c,uchar cs1,uchar cs2) {P34=cs1;P33=cs2;P37=0;P36=0;P1=c;P35=0;delay(10);P35=1;delay(10);P35=0;}/////////write data写数据///////////////void wdata(uchar c,uchar cs1,uchar cs2){P34=cs1;P33=cs2;P37=1;P36=0;P1=c;P35=0;delay(10);P35=1;delay(10);P35=0;}////////////set start设置起始行/////////////void set_startline(uchar i)//起始行。
11A5A4A3A2A1A0 共有64行// 液晶显示器的最底层为第一行{i=0xc0+64-i;//此算法为把最顶层做为第一层wcode(i,1,1);}////////////set 页值设置，起始列值函数/////////////void set_adr(uchar x,uchar y){x=x+0xb8;//页地址设置。
10111A2A1A0 DDRAM的8行为一页，A0~A2为页码，LCD为64行8页y=y+0x40;//列地址设置。
01A5A4A3A2A1A0 两半屏分别有64列，A0~A5送入列地址计数器，//作为列（Y）地址指针。
每读写一次其自动加一，指向下一列DDRAM单元wcode(x,1,1);wcode(y,1,1);}///////////on/off开/关显示函数//////////////void dis_on_off(uchar o){o=0x3e+o;//0011111D D=1开显示器把RAM数据呈现在显示器上，D=0关显示，但数据仍储存在RAM内。
wcode(o,1,1);}///////////clear清屏///////////////void clear(){uchar i,loop;for(i=0;i<8;i++)///循环页写0/////////{set_adr(i,0);for(loop=0;loop<64;loop++)wdata(0x00,1,1);}}/////////////////////////////////////////////////////////////////////////// 汉字字模表//// 汉字库: 宋体16.dot 纵向取模下高位,数据排列:从左到右从上到下///////////////////////////////////////////////////////////////////////////uchar code xian[32]= // "现"{0x04,0x84,0x84,0xFC,0x86,0x84,0x00,0xFE,0x02,0x82,0x7A,0x02,0xFF,0x02,0x00,0x00,0x10,0x30,0x10,0x1F,0x88,0x88,0x40,0x23,0x18,0x07,0x78,0x80,0x83,0x80,0xE0,0x00,};uchar code zai[32]= //"在"{0x08,0x08,0x08,0x08,0xC8,0x38,0x0F,0x08,0x08,0xE8,0x08,0x88,0x08,0x0C,0x08,0x00,0x08,0x04,0x02,0xFF,0x00,0x40,0x41,0x41,0x41,0x7F,0x41,0x41,0x41,0x60,0x40,0x00,};uchar code wen[32]= //"温"{0x10,0x22,0x64,0x0C,0x80,0x00,0xFE,0x92,0x92,0x92,0x92,0x92,0xFF,0x02,0x00,0x00,0x7E,0x42,0x7E,0x42,0x42,0x7E,0x40,0x00, };uchar code du[32]= //"度"{0x00,0x00,0xFC,0x24,0x24,0x24,0xFC,0xA5,0xA6,0xA4,0xFC,0x24,0x34,0x26,0x04,0x00,0x40,0x20,0x9F,0x80,0x42,0x42,0x26,0x2A,0x12,0x2A,0x26,0x42,0x40,0xC0,0x40,0x00 };uchar code maohao[16]= // -:-{ 0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06,0x00,0x00,0x00,};uchar code wu[16]= // -5-{ 0x7C,0x7C,0x44,0x44,0xC4,0xC4,0x84,0x00,0x04,0x0C,0x08,0x08,0x08,0x0F,0x07,0x00,};uchar code er[16]= // -2-{ 0x08,0x0C,0x84,0xC4,0x64,0x3C,0x18,0x00,0x0E,0x0F,0x09,0x08,0x08,0x0C,0x0C,0x00,};uchar code san[16]= // -3-{ 0x08,0x0C,0x44,0x44,0x44,0xFC,0xB8,0x00,0x04,0x0C,0x08,0x08,0x08,0x0F,0x07,0x00,};uchar code li[32] = //"理"{0x44,0x44,0xFC,0x46,0x44,0x00,0xFE,0x92,0x92,0xFE,0x92,0x92,0xFF,0x02,0x00,0x00,0x10,0x30,0x1F,0x08,0x48,0x48,0x44,0x44,0x44,0x7F,0x44,0x46,0x44,0x60,0x40,0x00, };uchar code gong[32] = // "工",{0x00,0x04,0x04,0x04,0x04,0x04,0x04,0xFC,0x04,0x04,0x04,0x04,0x06,0x04,0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x30,0x20,0x00, };uchar code xue[32] = //"学",{0x40,0x30,0x11,0x96,0x90,0x90,0x91,0x96,0x04,0x04,0x04,0x04,0x04,0x44,0x84,0x7E,0x06,0x05,0x04,0x04,0x04,0x06,0x04,0x00, };uchar code yuan[32] = //院{0x00,0xFE,0x22,0x5A,0x96,0x0C,0x24,0x24,0x25,0x26,0x24,0x34,0xA4,0x14,0x0C,0x00,0x00,0xFF,0x04,0x08,0x87,0x81,0x41,0x31,0x0F,0x01,0x3F,0x41,0x41,0x41,0x70,0x00, };uchar code dian[32] = //"电",{0x00,0xF8,0x48,0x48,0x48,0x48,0xFF,0x48,0x48,0x48,0x48,0xFC,0x08,0x00,0x00,0x00,0x00,0x07,0x02,0x02,0x02,0x02,0x3F,0x42,0x42,0x42,0x42,0x47,0x40,0x70,0x00,0x00, };uchar code zi[32] = //"子",{0x80,0x80,0x82,0x82,0x82,0x82,0x82,0xE2,0xA2,0x92,0x8A,0x86,0x80,0xC0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, };uchar code chuang[32] = //"创",{0x80,0x40,0xF0,0x4C,0x43,0x44,0xC8,0x10,0x30,0x00,0xF8,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x3F,0x40,0x42,0x44,0x43,0x70,0x00,0x00,0x07,0x40,0x80,0x7F,0x00,0x00, };uchar code xin[32] = //"新",{0x40,0x44,0x54,0x65,0xC6,0x64,0xD6,0x44,0x40,0xFC,0x44,0x42,0xC3,0x62,0x40,0x00,0x20,0x11,0x49,0x81,0x7F,0x01,0x05,0x29,0x18,0x07,0x00,0x00,0xFF,0x00,0x00,0x00, };uchar code shi[32] = //"实",{0x10,0x0C,0x04,0x44,0x8C,0x94,0x35,0x06,0xF4,0x04,0x04,0x04,0x04,0x14,0x0C,0x00,0x02,0x82,0x82,0x42,0x42,0x23,0x12,0x0E,};uchar code yan[32] = //"验",{0x02,0xFA,0x02,0x02,0xFF,0x42,0x20,0x50,0x4C,0x43,0x4C,0x50,0x20,0x60,0x20,0x00,0x10,0x31,0x11,0x49,0x89,0x7F,0x42,0x5C,0x40,0x4F,0x60,0x58,0x47,0x60,0x40,0x00, };uchar code ban[32] = //"班",{0x84,0x84,0xFC,0x84,0x06,0xF4,0x00,0xFF,0x00,0x84,0x84,0xFC,0x84,0x86,0x04,0x00,0x20,0x60,0x3F,0x10,0x92,0x41,0x38,0x07,0x40,0x40,0x40,0x7F,0x40,0x60,0x40,0x00 };uchar code xie[32]= //"谢"{0x40,0x42,0xCC,0x00,0xFC,0x56,0x55,0x54,0xFE,0x24,0x20,0x20,0xFF,0x20,0x20,0x00,0x00,0x00,0x3F,0x52,0x2B,0x12,0x4A,0x86,0x7F,0x01,0x46,0x80,0x7F,0x00,0x00,0x00, };uchar code guo[32]= //"国"{0x00,0xFE,0x02,0x0A,0x8A,0x8A,0x8A,0xFA,0x8A,0xCA,0x8E,0x0A,0x02,0xFF,0x02,0x00,0x00,0xFF,0x40,0x50,0x50,0x50,0x50,0x5F,0x50,0x52,0x54,0x50,0x40,0xFF,0x00,0x00, };uchar code hua[32]= //"华"{0x00,0x40,0x20,0x10,0xFC,0x03,0x40,0x20,0x10,0xFF,0x08,0x04,0x06,0xC0,0x00,0x00,0x04,0x04,0x04,0x04,0x05,0x04,0x04,0xFF,0x04,0x04,0x05,0x05,0x05,0x05,0x04,0x00, };//////////////main////////////////void main(){uchar loop;reset();//复位dis_on_off(1);///开关开，把RAM数据呈现在显示器上set_startline(10);//从第0行开始显示clear();//清屏while(1){//以下为字符显示程序，主要程序思路为分左右屏写，同一页同一行内按左到右踔厉风顺序写//同一字符分上下16半个字写代码set_adr(0,32);for(loop=0;loop<16;loop++) wdata(xian[loop],1,0);for(loop=0;loop<16;loop++) wdata(zai[loop],1,0);set_adr(1,32);for(loop=16;loop<32;loop++) wdata(xian[loop],1,0);for(loop=16;loop<32;loop++) wdata(zai[loop],1,0);set_adr(0,0);for(loop=0;loop<16;loop++) wdata(wen[loop],0,1);for(loop=0;loop<16;loop++) wdata(du[loop],0,1);set_adr(1,0);for(loop=16;loop<32;loop++) wdata(wen[loop],0,1);for(loop=16;loop<32;loop++) wdata(du[loop],0,1);///////////////////////////////////////////////////第一行显示现在温度/*set_adr(0,32);for(loop=0;loop<8;loop++) wdata(maohao[loop],0,1);set_adr(1,32);for(loop=8;loop<16;loop++) wdata(maohao[loop],0,1);set_adr(2,45);for(loop=0;loop<8;loop++)wdata(wu[loop],1,0);for(loop=0;loop<8;loop++)wdata(er[loop],1,0);set_adr(3,45);for(loop=8;loop<16;loop++)wdata(wu[loop],1,0);for(loop=8;loop<16;loop++)wdata(er[loop],1,0);set_adr(2,0);for(loop=0;loop<8;loop++)wdata(san[loop],0,1);set_adr(3,0);for(loop=8;loop<16;loop++)wdata(san[loop],0,1);*/set_adr(2,32);for(loop=0;loop<16;loop++)wdata(li[loop],1,0);for(loop=0;loop<16;loop++)wdata(gong[loop],1,0);set_adr(3,32);for(loop=16;loop<32;loop++)wdata(li[loop],1,0);for(loop=16;loop<32;loop++)wdata(gong[loop],1,0);set_adr(2,0);for(loop=0;loop<16;loop++)wdata(xue[loop],0,1);for(loop=0;loop<16;loop++)wdata(yuan[loop],0,1);set_adr(3,0);for(loop=16;loop<32;loop++)wdata(xue[loop],0,1);for(loop=16;loop<32;loop++)wdata(yuan[loop],0,1);///////////////////////////////////////////////////第一行显示理工学院set_adr(0,16);for(loop=0;loop<16;loop++)wdata(chuang[loop],1,0);set_adr(4,16);for(loop=0;loop<16;loop++)wdata(xin[loop],1,0);set_adr(0,32);for(loop=0;loop<16;loop++)wdata(shi[loop],0,1);set_adr(1,16);for(loop=16;loop<32;loop++)wdata(chuang[loop],1,0);set_adr(5,16);for(loop=16;loop<32;loop++)wdata(xin[loop],1,0);set_adr(1,32);for(loop=16;loop<32;loop++)wdata(shi[loop],0,1);// set_adr(4,0);//for(loop=8;loop<16;loop++) wdata(shi[loop],0,1);set_adr(2,32);for(loop=0;loop<16;loop++) wdata(yan[loop],0,1);set_adr(4,32);for(loop=0;loop<16;loop++) wdata(ban[loop],0,1);//set_adr(5,0);//for(loop=24;loop<32;loop++) wdata(shi[loop],0,1);set_adr(3,32);for(loop=16;loop<32;loop++) wdata(yan[loop],0,1);set_adr(5,32);for(loop=16;loop<32;loop++) wdata(ban[loop],0,1);///////////////////////////////////////////////////第三行显示创新实验班set_adr(4,32);for(loop=0;loop<16;loop++) wdata(xie[loop],1,0);for(loop=0;loop<16;loop++) wdata(guo[loop],1,0);set_adr(5,32);for(loop=16;loop<32;loop++) wdata(xie[loop],1,0);for(loop=16;loop<32;loop++) wdata(guo[loop],1,0);set_adr(4,0);for(loop=0;loop<16;loop++) wdata(hua[loop],0,1);set_adr(5,0);for(loop=16;loop<32;loop++) wdata(hua[loop],0,1);////////////////////////////////////////////////////第四行显示谢国华}}。