📄 lcm12864.c
字号:
#include <reg52.h>
#include <intrins.h>
/*定义管脚*/
sbit RS = P1^7; //并行的指令/数据选择信号；H:Data;L:instruction;Pin4
sbit RW = P1^6; //并行的读写选择信号；串行的数据口 pin5
sbit E = P1^5; //并行的使能信号；串行的同步信号pin6
sbit RES = P0^6;
sbit PSB = P0^7;// 并行串行选择；H并行；L串行
#define Lcd_Bus P2 //MCU P2<------> LCM
#define FIRST_ADDR 0 //定义字符/汉字显示起始位置
unsigned char code zk[]={
0x08,0x20,0x1c,0x10,0x1c,0x1c,0xff,0x9e,0x7f,0x1e,0x1c,0x1f,0x3e,0x1f,0x3e,0x1f,
0x77,0x1f,0x41,0x3f,0x00,0x7e,0x00,0xfe,0x83,0xfc,0x7f,0xf8,0x3f,0xf0,0x0f,0xc0,
};
unsigned char code BMP1[]={
/*-- 一幅图像 KISS- 正向取模，字节正序*/
/*-- 宽度x高度=128x64 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xFF,0xFF,0xFF,0x9F,0x00,0x00,0x0F,0x0E,0x00,0x00,0x00,0x00,0x19,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xBF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFD,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xFF,0xFF,0xF3,0xE0,0x00,0x00,0x1F,0xFD,0x80,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFA,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xF4,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xFF,0xFF,0xF0,0x00,0x00,0x00,0x03,0xF8,0x01,0xFF,0xFF,0xE0,0x00,0x07,0xFF,0xFF,
0x00,0x00,0x00,0x0F,0xFF,0xFC,0x00,0xF0,0x3F,0xFF,0xFF,0xFE,0x00,0x30,0x00,0x00,
0x00,0x00,0x00,0x7F,0xFF,0xFF,0x80,0x41,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,
0xFF,0xFF,0x01,0xFF,0xFF,0xFF,0xF0,0x02,0x7F,0xFF,0xFF,0xFF,0xE0,0x03,0xFF,0xFF,
0x00,0x00,0x03,0xFF,0xFF,0xFF,0xF8,0x04,0x3F,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,
0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFC,0x08,0x73,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x00,
0xFF,0xE4,0x3F,0x7F,0xFF,0xFF,0xFF,0x30,0x2F,0xFF,0xFF,0xFF,0xFE,0x00,0x7F,0xFF,
0x00,0x00,0xFE,0x9F,0xFF,0xFF,0xFF,0xB0,0x1D,0xFF,0xFF,0xFF,0x3F,0x00,0x00,0x00,
0x00,0x00,0xFF,0x7F,0xFF,0xFF,0xFF,0xC2,0x23,0x3F,0xFF,0xFE,0x1F,0x80,0x00,0x00,
/*****************************************************************************/
0xFF,0xE1,0xFF,0xFF,0xFF,0xFF,0xFC,0xC5,0x92,0xFF,0xB7,0xB8,0xC9,0x80,0x7F,0xFF,
0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFC,0x4F,0xEF,0x3F,0xC8,0x1A,0x20,0xC0,0x00,0x00,
0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xF8,0x7F,0xFF,0xFF,0x75,0x86,0xF6,0xC0,0x00,0x00,
0xFF,0x03,0xEF,0x9F,0xFB,0xFF,0xF8,0x7F,0xFF,0xFF,0xFB,0xDF,0xFE,0xC0,0x7F,0xFF,
0x00,0x07,0xDE,0x7F,0xC7,0xFF,0xF0,0x7E,0x7F,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,
0x00,0x07,0x1C,0xF7,0x9F,0xDF,0xF0,0x7E,0x7F,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,
0xFC,0x07,0x00,0x8C,0x1F,0xBF,0xE7,0x3C,0x3F,0xFF,0xFF,0xFF,0xFF,0xC0,0x7F,0xFF,
0x00,0x07,0x00,0x08,0x1C,0x3F,0x88,0x3C,0x7F,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,
0x00,0x06,0x0C,0x08,0x98,0x7F,0x80,0x0D,0x9F,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,
0xFC,0x06,0x1C,0xE3,0x99,0xFF,0x00,0x0C,0x0F,0xFF,0xFF,0xFF,0xFF,0xC0,0x5F,0xFF,
0x00,0x06,0xF1,0xE3,0x83,0xFE,0x00,0x08,0x03,0xDF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,
0x00,0x06,0xF1,0xF7,0xC7,0xFE,0x00,0x08,0x01,0xCF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,
0xFC,0x06,0xF3,0xF7,0xC7,0xFC,0x03,0x08,0x00,0x01,0xFF,0xFF,0xFF,0xC0,0xBF,0xFF,
0x00,0x07,0xF3,0xFF,0xE7,0xF0,0x03,0x09,0x80,0x00,0xFF,0xFF,0xFF,0xC0,0x00,0x00,
0x00,0x07,0xFF,0xFF,0xFF,0xE0,0x03,0x09,0x80,0x00,0x3F,0xFF,0xFF,0x80,0x00,0x00,
0xFC,0x07,0xFF,0xFF,0xFF,0xC0,0x03,0x09,0x80,0x00,0x0F,0xFF,0xFF,0x83,0xFF,0xFF,
/*****************************************************************************/
0x00,0x07,0xFF,0xE0,0xFE,0x00,0x03,0x09,0x80,0x00,0x07,0xFF,0xFF,0x80,0x00,0x00,
0x00,0x07,0xFF,0x80,0x7C,0x00,0x07,0xB1,0x80,0x00,0x07,0x83,0xFF,0x00,0x00,0x00,
0xFF,0x07,0xFF,0x0C,0x00,0x00,0x7F,0xB3,0xC0,0x00,0x06,0x01,0xFE,0x03,0xFF,0xFF,
0x00,0x07,0xFF,0x03,0x00,0x00,0x1F,0x43,0xFC,0x00,0x06,0x38,0xFE,0x00,0x00,0x00,
0x00,0x07,0xFF,0x03,0x00,0x00,0x00,0x81,0xF0,0x00,0x04,0x40,0xF8,0x00,0x00,0x00,
0xFC,0x87,0xFF,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x04,0x40,0xF0,0x07,0xFF,0xFF,
0x00,0x07,0xFF,0x80,0x00,0x2C,0x00,0x80,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,
0x00,0x07,0xFF,0x80,0x00,0x52,0x00,0x40,0x00,0x00,0x00,0x01,0xE0,0x00,0x00,0x00,
0xFF,0x83,0xFF,0xF0,0x80,0x2C,0x00,0x40,0x00,0x00,0x00,0x01,0xC0,0x7F,0xFF,0xFF,
0x00,0x03,0xFF,0xFF,0x80,0x00,0x00,0x30,0x00,0x00,0x01,0x86,0x00,0x00,0x00,0x00,
0x00,0x03,0xFF,0xFF,0x80,0x00,0x00,0x38,0x00,0x00,0x01,0xF8,0x00,0x00,0x00,0x00,
0xFF,0xA3,0xFF,0xFF,0x80,0x00,0x00,0x44,0x00,0x00,0x01,0xFF,0x00,0x7F,0xFF,0xFF,
0x00,0x03,0xFF,0xFF,0x80,0x00,0x03,0x82,0x00,0x00,0x01,0xC0,0xC0,0x00,0x00,0x00,
0x00,0x03,0xFF,0xFF,0x80,0x00,0x1C,0x01,0xC0,0x00,0x00,0x78,0xC0,0x00,0x00,0x00,
0xFF,0x81,0xFF,0xFF,0xC0,0x3F,0xE0,0x00,0x3C,0x00,0x07,0x80,0x20,0x7F,0xFF,0xFF,
0x00,0x01,0xFF,0xFF,0xE0,0x40,0x00,0x00,0x03,0xFE,0x78,0x00,0x20,0x00,0x00,0x00,
/*****************************************************************************/
0x00,0x01,0xFF,0xFF,0xF8,0x40,0x00,0x00,0x00,0x21,0x80,0x00,0x10,0x00,0x00,0x00,
0xFF,0xC1,0xFF,0xFF,0xFC,0x40,0x00,0x00,0x00,0x2E,0x00,0x00,0x10,0x4F,0xFF,0xFF,
0x00,0x01,0xFF,0xFF,0xFE,0x20,0x00,0x00,0x00,0x30,0x00,0x00,0x30,0x00,0x00,0x00,
0x00,0x00,0xFF,0xFF,0xFF,0xA0,0x00,0x00,0x00,0xC0,0x00,0x01,0xF8,0x00,0x00,0x00,
0xFF,0xE0,0xFF,0xFF,0xFB,0xE0,0x00,0x00,0x00,0xC0,0x00,0x03,0xFE,0x07,0xFF,0xFF,
0x00,0x00,0xFF,0xFF,0xFD,0xE0,0x00,0x00,0x00,0xC0,0x00,0x1F,0xFF,0x00,0x00,0x00,
0x00,0x00,0xFF,0xFF,0xFE,0x70,0x00,0x00,0x01,0xE0,0x00,0x3F,0xFF,0x80,0x00,0x00,
0xFF,0xC0,0xFF,0xFF,0xFF,0xB0,0x00,0x00,0x01,0xE0,0x00,0x7F,0xFF,0xC0,0x3F,0xFF,
0x00,0x00,0xFF,0xFF,0xFF,0xDC,0x00,0x00,0x03,0xF7,0x81,0xFF,0xFF,0xF0,0x00,0x00,
0x00,0x01,0xFF,0x80,0x7F,0xDC,0x00,0x00,0x0F,0xFF,0xC3,0xFF,0xFF,0xF8,0x00,0x00,
0xFF,0x01,0xFF,0x00,0x1F,0xEE,0x00,0x00,0x13,0xFF,0xF7,0xFF,0xFF,0xFC,0x07,0xFF,
0x00,0x01,0xFE,0x00,0x07,0xEF,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,
0x00,0x01,0xFC,0x00,0x03,0xF3,0x00,0x00,0x13,0xFF,0xBF,0xFF,0xFF,0xFF,0x80,0x00,
0xFF,0x01,0xFC,0x00,0x01,0xF3,0x80,0x00,0x1F,0xFF,0xBF,0xFF,0xFF,0xFF,0x83,0xFF,
0x00,0x01,0xF0,0x00,0x01,0xFD,0x80,0x00,0x0F,0xFF,0x7F,0xFF,0xFF,0xFF,0xC0,0x00,
0x00,0x03,0xF0,0x00,0x00,0x72,0xE0,0x00,0x03,0xFE,0xFF,0xFF,0xFF,0xFF,0xC0,0x00
};
unsigned char code BMP[]={
//一幅图像 - 正向取模，字节正序
/*-- 宽度x高度=128x64 --*/
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x20,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x40,0x08,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x40,0x08,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x40,0x38,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x60,0x00,0x06,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x01,0x80,0x00,0x38,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x03,0xC0,0x00,0x03,0xC0,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x1C,0x38,0x00,0x1C,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x04,0x00,0xE0,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x02,0x03,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0E,0x00,0x00,0x80,0x01,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xF0,0x01,0x00,0x00,0x80,0x00,0x00,0x00,
/*****************************************************************************/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x01,0x00,0x00,0x80,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE1,0x00,0x00,0x80,0x00,0x00,0x00,
0x00,0x00,0x0F,0x80,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x40,0x00,0x00,0x00,
0x00,0x00,0x18,0xC0,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x40,0x00,0x00,0x00,
0x00,0x00,0x10,0x40,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x41,0xC0,0x00,0x00,
0x00,0x00,0x30,0x60,0x3F,0xC0,0x00,0x00,0x00,0x02,0x00,0x00,0x40,0x3E,0x00,0x00,
0x00,0x00,0x20,0x23,0xC0,0x60,0x00,0x00,0x00,0x61,0x00,0x00,0x80,0x01,0xC0,0x00,
0x00,0x00,0x40,0x3C,0x00,0x18,0x00,0xC0,0x07,0xC1,0x00,0x00,0x80,0x00,0x00,0x00,
0x00,0x00,0x40,0x18,0x00,0x04,0x01,0xA0,0x1C,0x01,0x00,0x00,0x80,0x00,0x00,0x00,
0x00,0x00,0x40,0x08,0x00,0x06,0x02,0x1C,0x00,0x00,0x80,0x01,0x00,0x00,0x00,0x00,
0x00,0x00,0xC0,0x08,0x00,0x01,0x8C,0x03,0x80,0x00,0x40,0x02,0x00,0x00,0x00,0x00,
0x00,0x00,0x80,0x0C,0x00,0x00,0x58,0x00,0x60,0x06,0x20,0x04,0x20,0x00,0x00,0x00,
0x00,0x01,0x00,0x04,0x00,0x00,0x20,0x00,0x10,0x1C,0x1C,0x38,0x18,0x00,0x00,0x00,
0x00,0x01,0x00,0x06,0x00,0x00,0x30,0x00,0x08,0x30,0x03,0xC0,0x07,0x00,0x00,0x00,
0x00,0x01,0x00,0x02,0x00,0x00,0x18,0x00,0x04,0x60,0x00,0x00,0x01,0x80,0x00,0x00,
0x00,0x02,0x00,0x00,0x00,0x00,0x0C,0x00,0x03,0x00,0x00,0x00,0x00,0x40,0x00,0x00,
/*****************************************************************************/
0x00,0x02,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x80,0x02,0x08,0x00,0x30,0x00,0x00,
0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x02,0x08,0x00,0x18,0x00,0x00,
0x00,0x0C,0x00,0x00,0x7F,0xFC,0x00,0x00,0x00,0x20,0x02,0x04,0x00,0x00,0x00,0x00,
0x00,0x0C,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x18,0x02,0x04,0x00,0x00,0x00,0x00,
0x00,0x18,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x07,0xF2,0x02,0x00,0x00,0x00,0x00,
0x00,0x30,0x00,0x00,0x0F,0xFC,0x00,0x00,0x00,0x00,0x02,0x02,0x00,0x00,0x00,0x00,
0x00,0x60,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,
0x00,0x40,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,
0x01,0x80,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x80,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x19,0x8C,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x30,0xCC,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,
/*
"太", "阳", "出", "来", "喜", "洋", "洋", "喽",*/
0x01,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x22,0x10,0x22,0x10,0x00,0x48,
0x01,0x00,0x7D,0xFC,0x01,0x00,0x01,0x00,0x7F,0xFC,0x11,0x10,0x11,0x10,0x02,0x4C,
0x01,0x00,0x45,0x04,0x21,0x04,0x3F,0xFC,0x01,0x00,0x11,0x20,0x11,0x20,0xF1,0x50,
0x01,0x00,0x49,0x04,0x21,0x04,0x01,0x00,0x3F,0xF8,0x07,0xFC,0x07,0xFC,0x97,0xFE,
0x7F,0xFE,0x49,0x04,0x21,0x04,0x09,0x30,0x00,0x00,0x80,0x40,0x80,0x40,0x90,0xE0,
0x01,0x00,0x51,0x04,0x21,0x04,0x05,0x20,0x1F,0xF0,0x50,0x40,0x50,0x40,0x91,0x50,
0x01,0x00,0x49,0xFC,0x3F,0xFC,0x03,0x40,0x10,0x10,0x57,0xFC,0x57,0xFC,0x92,0x4E,
0x01,0x00,0x45,0x04,0x21,0x04,0x7F,0xFE,0x1F,0xF0,0x10,0x40,0x10,0x40,0x9D,0x44,
0x02,0x80,0x45,0x04,0x01,0x00,0x01,0x80,0x04,0x40,0x20,0x40,0x20,0x40,0x91,0x00,
0x02,0x40,0x45,0x04,0x21,0x04,0x03,0x40,0xFF,0xFE,0x2F,0xFE,0x2F,0xFE,0xF7,0xFC,
0x04,0x20,0x69,0x04,0x21,0x04,0x05,0x20,0x00,0x00,0xE0,0x40,0xE0,0x40,0x92,0x10,
0x05,0x10,0x51,0x04,0x21,0x04,0x09,0x18,0x1F,0xF0,0x20,0x40,0x20,0x40,0x83,0x20,
0x08,0x98,0x41,0xFC,0x21,0x04,0x31,0x0E,0x10,0x10,0x20,0x40,0x20,0x40,0x00,0xE0,
0x10,0xCC,0x41,0x04,0x3F,0xFC,0xC1,0x04,0x10,0x10,0x20,0x40,0x20,0x40,0x01,0x18,
0x20,0x86,0x40,0x00,0x01,0x00,0x01,0x00,0x1F,0xF0,0x20,0x40,0x20,0x40,0x02,0x0C,
0x40,0x04,0x40,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x20,0x40,0x20,0x40,0x04,0x08
};
/*------------------检查忙位-----------------------------*/
void chk_busy()
{
RS=0; //RS=0,instruction;RS=1,data
RW=1; //read busy flag and address counter;H read;L write
E=1; //high impulse
Lcd_Bus=0xff;//write instruction to set BF=1
while((Lcd_Bus&0x80)==0x80); //read busy flag BF=0 receive new instruction
E=0;
}
/*------------------延时子程序-----------------------------*/
void delay(unsigned int t)
{
unsigned int i,j;
for(i=0;i<t;i++)
for(j=0;j<10;j++);
}
/*------------------写命令到LCD------------------------------*/
void write_com(unsigned char cmdcode)
{
chk_busy();
RS=0;//RS=0,instruction;RS=1,data
RW=0;//write
E=1;
Lcd_Bus=cmdcode;
delay(5);////////////////////在数据写入的时候加入适当的延时
E=0;
delay(5);
}
/*-------------------写数据到LCD----------------------------*/
void write_data(unsigned char Dispdata)
{
chk_busy();
RS=1;//RS=1,write data
RW=0;
E=1;
Lcd_Bus=Dispdata;
delay(5);///////////////////在数据写入的时候加入适当的延时
E=0;
delay(5);
}
/*------------------初始化LCD屏--------------------------*/
void lcdreset()
{
delay(2000);
write_com(0x30);
delay(10); //选择基本指令集
write_com(0x30); //选择8bit数据流，此时DB4=DL，DL=1为8位数据流
delay(5);
write_com(0x0c); //开显示(无游标、不反白)
delay(10);
write_com(0x01); //清除显示，并且设定地址指针为00H
delay(500);
write_com(0x1c); //指定在资料的读取及写入时，设定游标的移动方向及指定显示的移位
delay(0);
}
/*------------------自定义一个字符代码(一个星星和月亮)--------------------------*/
void CGRAM()
{
int i;
write_com(0x30);//基本指令集
write_com(0x40);//设定CGRAM地址到地址计数器AC
for(i=0;i<16;i++)
{
write_data(zk[i*2]);
write_data(zk[i*2+1]);
}
}
/*------------------显示字符串--------------------------*/
void hzkdis(unsigned char code *s)
{
while(*s>0)
{
write_data(*s);
s++;
delay(50);
}
}
/*------------------首屏显示--------------------------*/
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