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标题中的"TJDM12864COG-S.zip_KS0724_st7565r"表明这是一个与微控制器编程相关的压缩文件，主要针对TJDM12864COG-S显示屏模块，该模块可能使用了ST7565R控制器，并且兼容KS0724和NT7038接口。这个压缩包可能包含了一个用于驱动这种显示屏的C语言源代码文件。 ST7565R是一款低功耗、高性能的液晶显示控制器，常用于小型图形液晶显示器（LCD），如128x64像素的显示屏。它支持SPI（Serial Peripheral Interface）串行通信协议，可以高效地传输数据到显示屏。在嵌入式系统中，这种控制器非常受欢迎，因为它只需要较少的I/O引脚即可控制显示，减少了硬件资源的需求。 KS0724和NT7038是两种常见的接口电路，它们允许微控制器与ST7565R这样的显示控制器进行通信。KS0724是一种专为ST7565设计的接口扩展芯片，而NT7038则是一个电压转换器，用于将微控制器的逻辑电平转换为驱动LCD所需的电压，因为LCD通常需要比微控制器工作电压更高的电压。在压缩包内的"TJDM12864COG-S.c"文件，我们可以推断这是一份C语言源代码，它包含了驱动TJDM12864COG-S显示屏的函数和过程。开发者可以利用这份代码来初始化ST7565R控制器，设置显示模式，刷新屏幕，以及绘制点、线、图形等。源代码可能包括了设置SPI接口、初始化LCD控制器、清除屏幕、写入像素等基本功能，也可能会有高级特性，如动画效果或文本显示。编写这样的驱动程序时，需要理解ST7565R的数据手册，熟悉SPI通信协议的细节，以及如何通过代码操作硬件寄存器来实现特定的功能。开发者还需要考虑到电源管理，因为ST7565R支持多种节能模式，这对于电池供电的设备尤为重要。为了使用这个库，开发者需要将"TJDM12864COG-S.c"文件包含到他们的项目中，并根据自己的微控制器平台和SPI配置进行适当的修改。如果代码兼容KS0724和NT7038，那么这意味着即使不直接使用TJDM12864COG-S模块，也可以用在其他类似的ST7565R显示屏上，只需调整相应的接口配置。这个压缩包提供了一套基础的ST7565R LCD驱动程序，适用于128x64像素的图形显示，兼容多种接口方案，对于那些想要在嵌入式系统中实现简单图形或文本显示的开发者来说，是一个宝贵的资源。

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TJDM12864COG-S.zip （1个子文件）

TJDM12864COG-S.c 21KB

// 12864COG(串口) //*************************************************************************** //连线表: CPU=89C52 * //CS=P3.0 SID=P3.1 SCK=P3.2 RS=P3.3 Fosc=12Mhz * //*************************************************************************** #include <reg52.h> #include <stdlib.h> #include <intrins.h> #include <stdio.h> sbit CS =P3^0; //片选 sbit SID=P3^1; //数据 sbit SCK=P3^2; //Clock信号 sbit RS =P3^3; //数据指令选择 sbit Key=P3^4; //锁定按键 sbit RST=P3^5; #define Uchar unsigned char #define Uint unsigned int Uchar code bmp1[]; Uchar code bmp2[]; Uchar code bmp3[]; Uchar code ASCIIchardot[]; Uchar code ComTable[]={3,2,1,0,7,6,5,4,}; void WriteCommand( Uchar CommandByte ) { Uchar i; CS=0; RS=0; //Command for(i=0;i<8;i++) { SCK=1; SID=( (CommandByte>>(7-i)) &0x01); SCK=0; _nop_(); SCK=1; } } void WriteData( Uchar DataByte ) { Uchar i; CS=0; RS=1; //Data for(i=0;i<8;i++) { SCK=1; SID=( (DataByte>>(7-i)) &0x01); SCK=0; _nop_(); SCK=1; } } void Delay(Uint MS) { Uchar us,usn; while(MS!=0) { usn = 4; while(usn!=0) { us=0xf0; while (us!=0){us--;}; usn--; } MS--; } } void LcmClear( void ) { Uint i,j; WriteCommand(0x40); //Set Display Start Line = com0 for(i=0;i<8;i++) { WriteCommand(0xB0|ComTable[i]); //Set Page Address as ComTable WriteCommand(0x10); //Set Column Address = 0 WriteCommand(0x01); //Colum from 1 -> 129 auto add for(j=0;j<128;j++) { WriteData( 0 ); } } } void LcmInit( void ) { WriteCommand(0xAE); //Display OFF WriteCommand(0xA2); //1/64 Duty 1/9 Bias WriteCommand(0xA0); //ADC select --> right WriteCommand(0xC0); //com1 --> com64 //WriteCommand(0x24); //设置内部电阻比Rb/Ra //WriteCommand(0x81); //Sets V0 WriteCommand(0x20);//不用内部电位器调节对比度(当不用内部电压编程功能时寄存器低6位设置为100000) WriteCommand(0x2F); //voltage follower ON regulator ON booster ON WriteCommand(0xA6); //Normal Display (not reverse dispplay) WriteCommand(0xA4); //Entire Display Disable LcmClear(); WriteCommand(0xAF); //Display ON WriteCommand(0x40); //Set Display Start Line = com0 WriteCommand(0xB0); //Set Page Address = 0 WriteCommand(0x10); //Set Column Address 4 higher bits = 0 WriteCommand(0x01); //Set Column Address 4 lower bits = 1 , from IC SEG1 -> SEG129 } void LcmDisplayBmp( Uchar *puts ) { Uchar i,j; Uint X=0; WriteCommand(0x40); //Set Display Start Line = com0 for(i=0;i<8;i++) { WriteCommand(0xB0|ComTable[i]); //Set Page Address WriteCommand(0x10); //Set Column Address = 0 WriteCommand(0x01); //Colum from 1 -> 129 auto add for(j=0;j<128;j++) { WriteData( puts[X] ); X++; } } } //显示ASICC字符的函数 void LcmPutChar(Uchar col,Uchar page,Uchar Order) //这里我不用x y做参数,是更贴切一些,实际上就是列值(横坐标)0-127,页值(纵坐标)0-7 { Uchar i; Uint x; x = (Order-0x20)*0x10; //ASICC字符从0x20开始,每个16 byte WriteCommand(ComTable[page&0x07]|0xB0); //Set Page Address WriteCommand( ((col+1)>>4) | 0x10); //Set Column Address High Byte WriteCommand( (col+1)&0x0F ); //Low Byte Colum from 1 -> 129 auto add for(i=0;i<8;i++) { WriteData( ASCIIchardot[x] ); x++; } page++; //下半字符page+1 WriteCommand(ComTable[page&0x07]|0xB0); //Set Page Address WriteCommand( ((col+1)>>4) | 0x10); //Set Column Address High Byte WriteCommand( (col+1)&0x0F ); //Low Byte Colum from 1 -> 129 auto add for(i=0;i<8;i++) { WriteData( ASCIIchardot[x] ); x++; } page--; //写完一个字符page还原 } //显示字符串的函数 /* 为了避免需要LcmPutChar返回page col值, 只能将判断col和paeg的程序放到PutStr中调用函数的时候需要注意 */ void LcmPutStr(Uchar col,Uchar page,Uchar *puts) { while(*puts != '\0') //判断字符串时候显示完毕 { if(col>120) //判断行末空间是否足够放一个字符,自动换行 { page=page+2; col=0; } if(page>6) //到了屏幕最下角,自动返回左上角 { page=0; col=0; } LcmPutChar(col,page,*puts); puts++; Delay(10); //延时演示效果 col=col+8; //下一个字符8列之后 } } void LcmDisplayDots( void ) { Uchar i,j,X=0x55; WriteCommand(0x40); //Set Display Start Line = com0 for(i=0;i<8;i++) { WriteCommand(0xB0|ComTable[i]); //Set Page Address WriteCommand(0x10); //Set Column Address = 0 WriteCommand(0x01); //Colum from 1 -> 129 auto add for(j=0;j<128;j++) { WriteData( X ); X=~X; } } } void LcmDisplayDotsUp( void ) { Uchar i,j,X=0x55; WriteCommand(0x40); //Set Display Start Line = com0 for(i=0;i<4;i++) { WriteCommand(0xB0|ComTable[i]); //Set Page Address WriteCommand(0x10); //Set Column Address = 0 WriteCommand(0x01); //Colum from 1 -> 129 auto add for(j=0;j<128;j++) { WriteData( X ); X=~X; } } for(i=4;i<8;i++) { WriteCommand(0xB0|ComTable[i]); //Set Page Address WriteCommand(0x10); //Set Column Address = 0 WriteCommand(0x01); //Colum from 1 -> 129 auto add for(j=0;j<128;j++) { WriteData( 0xff ); } } } void LcmDisplayDotsDown( void ) { Uchar i,j,X=0x55; WriteCommand(0x40); //Set Display Start Line = com0 for(i=0;i<4;i++) { WriteCommand(0xB0|ComTable[i]); //Set Page Address WriteCommand(0x10); //Set Column Address = 0 WriteCommand(0x01); //Colum from 1 -> 129 auto add for(j=0;j<128;j++) { WriteData( 0xff ); } } for(i=4;i<8;i++) { WriteCommand(0xB0|ComTable[i]); //Set Page Address WriteCommand(0x10); //Set Column Address = 0 WriteCommand(0x01); //Colum from 1 -> 129 auto add for(j=0;j<128;j++) { WriteData( X ); X=~X; } } } void LcmDisplayBlack( ) { Uchar i,j; WriteCommand(0x40); //Set Display Start Line = com0 for(i=0;i<8;i++) { WriteCommand(0xB0|ComTable[i]); //Set Page Address WriteCommand(0x10); //Set Column Address = 0 WriteCommand(0x01); //Colum from 1 -> 129 auto add for(j=0;j<128;j++) WriteData( 0xff ); } } void DelayKey(unsigned char HalfSecond) { //Delay_key加入时间参数 unsigned int i; for(i=0;i<26*HalfSecond;i++) { if(Key==0) { Delay(20); while(Key==0) {Delay(20);} break; } else Delay(10); } } void main( void ) { Delay(50); RST=0; Delay(250); RST=1; Delay(10); LcmInit(); while(1) { LcmDisplayBmp(bmp1); DelayKey(2); //LcmDisplayBmp(bmp2); //DelayKey(2); //LcmDisplayBmp(bmp3); //DelayKey(2); LcmClear(); LcmPutStr(0,0,"abcdefghijklmnopqrstuvwxyz123456ABCDEFGHIJKLMNOPQRSTUVWXYZ123456"); DelayKey(2); LcmDisplayBlack(); DelayKey(2); } } /* ASICC字库代码 8x16点阵 */ unsigned char code ASCIIchardot[16*96] = { /* */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*! */ 0x00,0x00,0x00,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCC,0x0C,0x00,0x00,0x00, /*" */ 0x00,0x08,0x30,0x60,0x08,0x30,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*# */ 0x02,0x03,0x1E,0x02,0x03,0x1E,0x02,0x00,0x20,0xFC,0x20,0x20,0xFC,0x20,0x20,0x00, /*$ */ 0x00,0x0E,0x11,0x3F,0x10,0x0C,0x00,0x00,0x00,0x18,0x04,0xFF,0x84,0x78,0x00,0x00, /*% */ 0x0F,0x10,0x0F,0x00,0x07,0x18,0x00,0x00,0x00,0x84,0x38,0xC0,0x78,0x84,0x78,0x00, /*& */ 0x00,0x0F,0x10,0x11,0x0E,0x00,0x00,0x00,0x78,0x84,0xC4,0x24,0x98,0xE4,0x84,0x08, /*' */ 0x08,0x68,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*( */ 0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00, /*) */ 0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00, /** */ 0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00, /*+ */ 0x00,0x00,0x00,0x0F,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0xF8,0x80,0x80,0x80,0x00, /

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