LCD12864无字库液晶显示源程序_12864液晶屏程序资源-CSDN下载

共16个文件

bak：2个

obj：2个

lst：2个

12864

5星 · 超过95%的资源需积分: 44 142 浏览量 2012-09-18 13:11:43 上传评论 7 收藏 60KB ZIP 举报

LCD12864无字库液晶显示屏是一种常见的微控制器应用中的显示设备，常用于简单的信息展示或控制面板。这种屏幕具有128列和64行的像素点，能够显示基本的图形和字符，而“无字库”指的是它不依赖预存的汉字字形数据，而是通过自定义点阵来生成字符。在使用LCD12864无字库液晶显示源程序时，开发者需要自行编写代码来控制屏幕上的每一个像素点，以便形成所需的字符或者图形。这通常涉及到以下关键知识点： 1. **接口通信**：LCD12864与微控制器之间的通信通常采用SPI（Serial Peripheral Interface）或I2C总线。你需要了解这些总线协议的原理，如何配置微控制器的引脚以实现数据传输。 2. **指令集**：每个LCD12864模块都有自己的指令集，用于控制显示模式、清屏、定位光标、写入数据等。你需要熟悉这些指令并正确地在C源程序中使用它们。 3. **字符生成**：由于无字库，每个字符都需要由用户定义。这通常涉及到创建一个点阵数组，表示字符的每个像素。对于汉字，这个过程可能更为复杂，因为每个汉字由多个点阵组成。 4. **坐标系统**：理解LCD的坐标系统很重要，因为它决定了你在屏幕上写入数据的位置。屏幕的左上角为(0,0)，向右和向下分别是X和Y轴的增加。 5. **数据刷新**：屏幕上的显示内容需要定期刷新，以保持动态更新。你需要设计合适的刷新机制，确保不会丢失显示信息，同时也要注意效率，避免过度占用CPU资源。 6. **驱动程序开发**：在C源程序中，你需要编写LCD驱动程序，封装底层的硬件操作，提供简单易用的API供应用程序调用，如`lcd_write_char()`、`lcd_setCursorPosition()`等。 7. **调试技巧**：描述中提到，调试这类程序可能会花费较多时间。调试过程中，使用逻辑分析仪检查通信信号、使用示波器查看时序、利用LED或其他指示器辅助排查问题都是常用的技巧。在进行无字库液晶显示的开发时，理解以上知识点并结合实际项目需求进行实践，将有助于你成功地控制和显示数据。同时，记得在编写源程序时遵循良好的编程规范，注释清晰，以便于后期维护和团队合作。

资源推荐

资源详情

资源评论

收起资源包目录

LCD.zip （16个子文件）

LCD

STARTUP.LST 14KB

LCD 12KB

main.c 13KB

LCD.hex 5KB

LCD.lnp 55B

LCD.uvproj 13KB

LCD_uvproj.bak 13KB

LCD.M51 14KB

STARTUP.A51 6KB

LCD.uvopt 140KB

STARTUP.OBJ 758B

LCD.plg 16KB

main.LST 21KB

12c5a.H 17KB

main.OBJ 13KB

LCD_uvopt.bak 140KB

#include <12c5a.h> #include <intrins.h> #include <string.h> /******************************************************************/ #define data P0 sbit a0 =P2^5; sbit wr_rw=P2^4; sbit cs=P2^7; sbit rd_EN=P2^3; sbit rst=P2^6; #define nop() _nop_() /*定义空指令*/ void w_com(unsigned char com); void wdata(unsigned char dat); /*-- 文字: 郝 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ unsigned char code hao[]={ 0x20,0x24,0x24,0xE4,0x3F,0x24,0xE4,0x24,0x20,0x00,0xFE,0x02,0x62,0x9A,0x06,0x00, 0x44,0x23,0x18,0x07,0x20,0x40,0x3F,0x01,0x06,0x00,0xFF,0x08,0x08,0x10,0x0F,0x00, }; unsigned char code char1[] ={ /*-- 文字: 1 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,}; unsigned char code nAsciiDot[] ={ /*-- 文字: 1 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00, /*-- 文字: 2 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00, /*-- 文字: 3 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00, /*-- 文字: 4 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00, /*-- 文字: 5 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00, /*-- 文字: 6 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00, /*-- 文字: 7 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00, /*-- 文字: 8 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00, /*-- 文字: 9 --*/ /*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/ 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,}; /*-- 调入了一幅图像：F:\WIFI\zimo221\zimo221\rfid1.bmp --*/ /*-- 宽度x高度=128x64 --*/ unsigned char code niu[]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0xE0,0x80,0x00,0x00,0x00,0x00, 0xC0,0xE0,0x20,0x20,0x20,0xE0,0xE0,0x00,0x00,0xC0,0xE0,0x20,0x20,0x20,0xE0,0xC0, 0x00,0x00,0x80,0xC0,0x60,0x20,0x60,0xC0,0x80,0x00,0x00,0x80,0xC0,0x60,0x20,0x60, 0xC0,0x80,0x00,0x00,0xC0,0xE0,0x20,0x20,0x20,0xE0,0xC0,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0, 0xE0,0xF0,0xF8,0x7E,0x3E,0x1E,0x0C,0x00,0x80,0xC0,0xE0,0xF0,0xE0,0x40,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xF0,0xFF,0x8F,0x0B,0x9F,0xFC,0xE0,0x80,0x00, 0xE1,0xE3,0x86,0x84,0x8C,0xF8,0x70,0x00,0x00,0x60,0xE0,0x82,0x82,0xC7,0x7D,0x38, 0x00,0x00,0x03,0xC7,0xCC,0x88,0xCC,0x7F,0x3F,0x00,0x00,0x03,0xC7,0xCC,0x88,0xCC, 0x7F,0x3F,0x00,0x00,0xC1,0xE1,0xB0,0x98,0x8E,0xC7,0xC1,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x40,0xC0,0x80,0x00,0x00,0x00,0x00,0x04,0x1C,0x38,0x70,0xE0,0xC0, 0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xE0,0xFC,0xFE,0x7F,0x1F, 0x07,0x03,0x00,0x80,0xF0,0xF8,0xFE,0x7F,0x1F,0x0F,0x03,0x01,0xC0,0xF0,0xF8,0xFC, 0x7E,0x3F,0x0F,0x06,0x80,0xE0,0xF0,0xF8,0xF8,0x70,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0xE0,0xC0,0x80,0x00,0x06,0x0E,0x1C, 0x78,0xE0,0xC0,0x00,0x00,0x03,0x07,0x1E,0x78,0xF0,0xC0,0x00,0x00,0x00,0x00,0x01, 0x07,0x1E,0x7C,0xF0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0xFF,0xFF,0x7F,0x01,0x00,0x00, 0x00,0x00,0xFE,0xFF,0xFF,0x07,0x01,0x00,0x00,0x00,0x00,0xFE,0xFF,0x7F,0x07,0x01, 0x00,0x00,0xF0,0xFE,0xFF,0x3F,0x07,0x01,0x00,0x00,0x00,0xE0,0xFC,0xFE,0xFE,0xFE, 0xCE,0xCE,0xEE,0xFE,0xFE,0x7C,0x00,0x00,0xF0,0xFE,0xFE,0xFE,0xFE,0xFE,0xEE,0xEE, 0xCE,0x0E,0x0E,0x0C,0x88,0xFC,0xFE,0xFE,0xFC,0x18,0x00,0xC0,0xFC,0xFE,0xFE,0x3E, 0x0E,0x0E,0x0E,0x0E,0x9E,0xFC,0xF8,0xF0,0xC0,0x00,0x03,0x1F,0xFE,0xF8,0x00,0x00, 0x00,0x01,0x3F,0xFF,0xFC,0x80,0x00,0x00,0x00,0x01,0x3F,0xFF,0xF8,0x80,0x00,0x00, 0x00,0x00,0x00,0x0F,0xFF,0xFE,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xC0,0x00,0x00,0x00, 0x00,0x00,0x3F,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xF8,0x80,0x00, 0x00,0x00,0x03,0x1F,0x7F,0xF8,0xC0,0x00,0x00,0x00,0x0F,0x3F,0x3F,0x1F,0x03,0x01, 0x03,0x07,0x0F,0x3F,0x38,0x00,0x00,0x0E,0x1F,0x3F,0x1F,0x03,0x01,0x00,0x00,0x01, 0x00,0x00,0x00,0x00,0x1F,0x3F,0x3F,0x1F,0x01,0x00,0x0E,0x1F,0x3F,0x3F,0x3F,0x38, 0x38,0x3C,0x1E,0x1F,0x1F,0x0F,0x0F,0x03,0x80,0xC0,0xF0,0xFE,0xFF,0x3F,0x00,0x00, 0x80,0xE0,0xFE,0xFF,0xFF,0x03,0x00,0x00,0x00,0xC0,0xFE,0xFF,0xFF,0x07,0x00,0x00, 0x00,0x00,0x00,0xF8,0xFF,0xFF,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x1F,0x7E,0xF0,0xC0, 0x80,0x00,0x00,0x00,0x03,0x0F,0x1E,0x78,0xE0,0xC0,0x80,0x00,0x00,0x03,0x07,0x0E, 0x1C,0x30,0x20,0x00,0x00,0x00,0x01,0x07,0x86,0xC0,0x40,0xC0,0xC0,0x40,0x40,0x40, 0x40,0x40,0x40,0x40,0xC0,0xC0,0x00,0x00,0x00,0xC0,0xC0,0x40,0x40,0x40,0x40,0x40, 0x40,0x40,0x40,0x40,0x40,0x40,0xC0,0xC0,0x00,0x00,0x80,0xC0,0x40,0x40,0x40,0x40, 0x40,0xC0,0xC0,0x40,0x40,0x40,0x40,0xCF,0x8F,0x0F,0x07,0x03,0x00,0x38,0x7C,0x7E, 0x3F,0x1F,0x07,0x81,0xC0,0xE0,0xF0,0xFC,0x7F,0x3F,0x0F,0x03,0x00,0x00,0x80,0xC0, 0xF0,0xFC,0xFF,0x3F,0x1F,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01, 0x07,0x0E,0x1C,0x38,0x30,0x00,0x00,0x00,0x00,0x01,0x03,0x03,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x3D,0xE7,0xE6,0x05,0xFF,0xFE,0xFE,0x76, 0x7C,0x0E,0x0E,0x3A,0x33,0xFF,0xFE,0x00,0x00,0x0F,0x0F,0xFE,0xFF,0x81,0x81,0xA7, 0xA6,0xA6,0xA6,0xA6,0x24,0x3C,0xFF,0xC7,0x00,0x20,0xF7,0xFF,0x48,0x49,0x09,0x49, 0x4C,0xC7,0xDF,0x7C,0x7D,0x39,0x18,0x4F,0xFF,0xB0,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x01,0x07,0x03,0x03,0x00,0x00,0x00,0x00,0x18,0x3C,0x3F,0x1F,0x0F, 0x07,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x0F,0x08,0x1C,0x16,0x13,0x19, 0x0C,0x06,0x0E,0x09,0x19,0x13,0x1E,0x0E,0x00,0x00,0x07,0x07,0x04,0x04,0x04,0x0E, 0x1A,0x12,0x13,0x13,0x10,0x18,0x0F,0x07,0x00,0x01,0x03,0x0F,0x1C,0x10,0x12,0x12, 0x10,0x1F,0x1F,0x10,0x12,0x12,0x10,0x1E,0x1F,0x01,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, }; void LCD_Init(void) { rst=0; nop(); nop(); rst=1; w_com(0xaf); //ON DISPLAY w_com(0x40); //STAR DISPLAY w_com(0xa0); //ADC NORMAL w_com(0xa6); // w_com(0xa4); //CLEAR w_com(0xa2); //1/9BIAS w_com(0xc8); //COMMON OUTPUT DIRECTION w_com(0x2f); //POWER CONTROL w_com(0x24); //RESISTER RATIO w_c

评论收藏

内容反馈