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 <reg51.h>
#include <intrins.h>
#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<In;i++)
{for(j=0;j<Out;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)
{
uchari,j,k;
lcd_wcmd(0x34); //打开扩展指令集
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); //打开绘图显示
lcd_wcmd(0x30); //回到基本指令集
}
main()
{
lcd_init(); //初始化LCD
Draw_PM(zhu); //显示图片
while(1);
}
