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2024年7月17日发(作者：)
液晶12864显示图片
液晶12864简介
12864是128*64点阵液晶模块的点阵数简称。
基本参数
1、低电源电压（VDD:+3.0～+5.5V）。
2、显示分辨率:128×64 点。
3、内置汉字字库，提供8192 个16×16 点阵汉字。
4、内置128 个16×8 点阵字符。
5、2MHZ 时钟频率。
6、显示方式：STN、半透、正显。
7、驱动方式：1/32DUTY，1/5BIAS。
8、视角方向：6 点。
9、背光方式：侧部高亮白色LED。
10、通讯方式：串行、并口可选。
11、内置DC-DC 转换电路，无需外加负压。
12、无需片选信号，简化软件设计。
13、工作温度: 0℃～+55℃ ,存储温度: -20℃～+60℃。
液晶12864接口
液晶12864显示图片程序源代码
/*******************12864显示图片*******************
* 处理器：51单片机
* 开发环境：keil
* 功能：12864显示图片
****************************************************/
#include
#include
#define uchar unsigned char
#define uint unsigned int
/*12864端口定义 */
#define LCD_data P0 //数据口
sbit LCD_RS = P1^0; //寄存器选择输入
sbit LCD_RW = P1^1; //液晶读/写控制
sbit LCD_EN = P2^5; //液晶使能控制
sbit LCD_PSB = P1^2; //串/并方式控制
unsigned char code zhu[]=
{
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFE,0x7D,0x7F,0xFF,0xFF,0xFF,0xFD,0xEF,0xFF,0xF0,0x04,0x3F,0xFF,
0xFF,0xFF,0xFF,0xFD,0xBD,0x7F,0xFF,0xFF,0xFF,0xE6,0xE7,0xFF,0xF4,0x00,0x7F,0xFF,
0xFF,0xFF,0xFF,0xFD,0x3D,0x7F,0xFF,0xFF,0xFF,0xDE,0x00,0xFF,0xF0,0x00,0x7F,0xFF,
0xFF,0xFF,0xFF,0xC4,0x3E,0x7F,0xFF,0xFF,0xFF,0xA8,0x00,0x1F,0xF0,0x00,0x7F,0xFF,
0xFF,0xFF,0xFF,0xBA,0x46,0x7F,0x7F,0xFF,0xFF,0x70,0x00,0x0E,0xF0,0x00,0xFF,0xFF,
0xFF,0xFF,0xFF,0x7D,0xBB,0x5F,0x7F,0xFF,0xFE,0xE1,0x70,0x01,0xF0,0x00,0xFF,0xFF,
0xFF,0xFF,0xFF,0x7D,0xA3,0xEF,0x9F,0xFF,0xFF,0x06,0xF8,0x03,0xF0,0x00,0xFF,0xFF,
0xFF,0xFF,0xF0,0x7C,0x07,0xB6,0x07,0xFF,0xFF,0xCC,0xF9,0x81,0xF0,0x01,0xFF,0xFF,
0xFF,0xFF,0xEF,0x75,0xDF,0xB8,0x01,0xFF,0xFF,0x98,0xF9,0x80,0xF1,0xF1,0xEF,0xFF,
0xFF,0xFF,0xEF,0x6D,0xEF,0x58,0xE0,0xFF,0xFF,0x90,0x70,0x00,0xF3,0xFB,0xFF,0xFF,
0xFF,0xFF,0xEF,0xBB,0xEE,0xD9,0xF0,0xFF,0xFF,0xB0,0x0C,0x00,0x73,0x1B,0xAF,0xFF,
0xFF,0xFF,0xF7,0x87,0xAE,0xC2,0xF0,0x7F,0xFF,0xE0,0x0C,0x62,0x36,0xFD,0xFF,0xFF,
0xFF,0xFF,0xF0,0x33,0xDD,0xD2,0x60,0x7F,0xFF,0xE0,0x31,0x61,0x76,0xFD,0xEF,0xFF,
0xFF,0xFF,0xEF,0xA0,0x3B,0xF4,0x18,0x3F,0xFF,0xE0,0x30,0x09,0x6C,0x3D,0xFF,0xFF,
0xFF,0xFF,0xDF,0x83,0xB6,0xA5,0x98,0x3F,0xFF,0xE0,0x00,0x01,0x7B,0xDD,0xAF,0xFF,
0xFF,0xFF,0xDE,0x83,0xCF,0xED,0x80,0x3F,0xFF,0xE0,0x00,0x01,0xFA,0xDD,0xFF,0xFF,
0xFF,0xFF,0xDD,0x7B,0xDE,0xF4,0x00,0x3F,0xFF,0xE0,0x00,0x09,0xFB,0xDD,0xEF,0xFF,
0xFF,0xFF,0xEE,0x5B,0xDF,0xF4,0x00,0x3F,0xFF,0xF0,0x00,0x29,0xF9,0xBB,0xFF,0xFF,
0xFF,0xFF,0xF1,0x79,0xBE,0xB4,0x00,0x3F,0xFF,0xF0,0x00,0x33,0xFF,0xFA,0xAF,0xFF,
0xFF,0xFF,0xEF,0x68,0x03,0xF8,0x00,0x3F,0xFF,0xF8,0x0F,0xE3,0xFF,0xF7,0xFF,0xFF,
0xFF,0xFF,0xDF,0x70,0x16,0xEA,0x01,0x3F,0xFF,0xF8,0x1F,0xC7,0xEF,0xF6,0xEF,0xFF,
0xFF,0xFF,0x07,0x80,0x0F,0xFA,0x1D,0x7F,0xE0,0x3C,0x7F,0x87,0xEF,0xEF,0xFF,0xFF,
0xFF,0xFF,0x0B,0xA0,0x2A,0xB6,0x1E,0x70,0x1F,0xBF,0x3E,0x0F,0xD3,0x9A,0xAF,0xFF,
0xFF,0xFF,0x85,0xA0,0x5F,0xF7,0x3C,0xF7,0xE0,0x3C,0x00,0x3F,0xDC,0x7F,0xFF,0xFF,
0xFF,0xFF,0x41,0x11,0x2E,0xF6,0x81,0xF8,0x00,0x3F,0x00,0xFF,0xAF,0x8E,0xEF,0xFF,
0xFF,0xFF,0x94,0xA0,0xFF,0xF7,0xFF,0xF8,0x00,0x3F,0xFF,0x1F,0xBF,0x77,0xFF,0xFF,
0xFF,0xFF,0xE2,0x3F,0xAA,0xB7,0x8B,0xFC,0x00,0x3F,0xDF,0xDF,0x6A,0xFA,0xAF,0xFF,
0xFF,0xFF,0x88,0x01,0xFF,0xFB,0x75,0xFC,0x00,0x3F,0xDF,0xBE,0xFE,0xFB,0xFF,0xFF,
0xFF,0xFF,0x40,0x00,0x3E,0xEB,0xB7,0xFE,0x00,0x3F,0xE0,0x7C,0x78,0xFB,0xF7,0xFF,
0xFF,0xFF,0x00,0x00,0x0F,0xFD,0xC7,0xFE,0x01,0xBF,0xFF,0xFA,0xA7,0x70,0x6F,0xFF,
0xFF,0xFF,0x0F,0xBF,0x0A,0xAA,0xFF,0xFE,0x0F,0xBF,0xFF,0xE7,0xCF,0x8F,0xAF,0xFF,
0xFF,0xFF,0x47,0x5E,0x2F,0xFF,0x7F,0xFF,0x1F,0xBF,0xFF,0xDF,0xEF,0x8F,0xAF,0xFF,
0xFF,0xFF,0x38,0x21,0xDE,0xEE,0x9F,0xFF,0xBF,0x7F,0xFF,0x3F,0xEF,0x0F,0xB7,0xFF,
0xFF,0xFF,0x07,0xD6,0x2F,0xFF,0xE7,0xFF,0xC0,0xFF,0xFC,0xFF,0xF0,0xEF,0xBF,0xFF,
0xFF,0xFF,0x41,0x8C,0xCA,0xBA,0xB9,0xFF,0xFF,0xFF,0xE3,0xFF,0xFD,0xF0,0x6F,0xFF,
0xFF,0xFF,0x93,0xCC,0xDF,0xFF,0xFE,0x3F,0xFF,0xFE,0x00,0x7F,0xFD,0xF7,0x7F,0xFF,
0xFF,0xFF,0x40,0x03,0x2E,0xEE,0xEF,0xC2,0x03,0xC0,0xFF,0x9F,0xFD,0xF7,0xAF,0xFF,
0xFF,0xFF,0xC0,0x03,0x3F,0xFF,0xFF,0xF9,0xFC,0x37,0xFF,0xE3,0xFE,0xE7,0xDF,0xFF,
0xFF,0xFF,0xD1,0xCC,0xFB,0xBB,0xBB,0xE7,0xFF,0x8F,0xFF,0xFC,0x3E,0x17,0xDF,0xFF,
0xFF,0xFF,0xC0,0x8C,0xFF,0xFF,0xFF,0x9F,0xFF,0xDF,0xFF,0xFF,0xC6,0xF7,0xEF,0xFF,
0xFF,0xFF,0xC0,0x90,0x2F,0xEF,0xEE,0x7F,0xFF,0xBF,0xFF,0xFF,0xF9,0xFB,0xF7,0xFF,
0xFF,0xFF,0xC0,0xA0,0x3F,0xFF,0xF9,0xDF,0xFF,0xBF,0xFF,0xDF,0xFE,0xFB,0xFF,0xFF,
0xFF,0xFF,0x10,0xC0,0x08,0x00,0x00,0x0F,0xFF,0xBF,0xFF,0x80,0x00,0x00,0x07,0xFF,
0xFF,0xFF,0xE8,0x80,0x7F,0xFF,0xFF,0xF3,0xFF,0xBF,0xFF,0x7F,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xE1,0xC0,0x7F,0xFF,0xFF,0xFC,0x7E,0x5F,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xF0,0x00,0xFF,0xFF,0xFF,0xFF,0x81,0xE0,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};
#define delayNOP0(); {_nop_();_nop_();};
#define delayNOP1(); {_nop_();_nop_();_nop_();_nop_();};
void delay(int In,int Out)
{
int i,j;
for(i=0;i {for(j=0;j } /*******************************************************************/ /*检查LCD忙状态 */ /*lcd_busy为1时，忙，等待。lcd-busy为0时,闲，可写指令与数据。 */ /*******************************************************************/ bit lcd_busy() { bit result; LCD_RS = 0; LCD_RW = 1; LCD_EN = 1; delayNOP1(); result = (bit)(P0&0x80); LCD_EN = 0; return(result); } /*******************************************************************/ /*写指令数据到LCD */ /*RS=L，RW=L，E=高脉冲，D0-D7=指令码。 */ /*******************************************************************/ void lcd_wcmd(uchar cmd) { while(lcd_busy()); LCD_RS = 0; LCD_RW = 0; LCD_EN = 0; delayNOP0(); P0 = cmd; delayNOP1(); LCD_EN = 1; delayNOP1(); LCD_EN = 0; } /*******************************************************************/ /*写显示数据到LCD */ /*RS=H，RW=L，E=高脉冲，D0-D7=数据。 */ /*******************************************************************/ void lcd_wdat(uchar dat) { while(lcd_busy()); LCD_RS = 1; LCD_RW = 0; LCD_EN = 0; P0 = dat; delayNOP1(); LCD_EN = 1; delayNOP1(); LCD_EN = 0; } /*******************************************************************/ /* LCD初始化设定 */ /*******************************************************************/ void lcd_init() { LCD_PSB = 1; //并口方式 lcd_wcmd(0x34); //扩充指令操作 delay(5,10); lcd_wcmd(0x30); //基本指令操作 delay(5,10); lcd_wcmd(0x0C); //显示开，关光标 delay(5,10); lcd_wcmd(0x01); //清除LCD的显示内容 delay(5,10); } /********************************************************************* 函数名称:Draw_PM 功 能:在整个液晶屏幕上画图 参 数:无 返回值 :无 *********************************************************************/ void Draw_PM(const uchar *ptr) { uchar i,j,k; lcd_wcmd(0x34); // i=0x80; for(j=0;j<32;j++) { lcd_wcmd(i++); lcd_wcmd(0x80); for(k=0;k<16;k++) {lcd_wdat(*ptr++);} } i = 0x80; for(j=0;j<32;j++) { lcd_wcmd(i++); lcd_wcmd(0x88); for(k=0;k<16;k++) {lcd_wdat(*ptr++);} } lcd_wcmd(0x36); // lcd_wcmd(0x30); // } main() { lcd_init(); // Draw_PM(zhu); // while(1); } 打开扩展指令集 打开绘图显示 回到基本指令集 初始化LCD 显示图片
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