//P2.0-RS;P2.1-RW;P2.2-E;P2.3-PSB;P2.5RST;P0-DATABUS;
#include "STC89C51.H"
#include "intrins.h"
#define uchar unsigned char
#define uint unsigned int
#define BUS P1
sbit RS = P2^0;
sbit RW = P2^1;
sbit E = P2^2;
sbit PSB = P2^3;
sbit RST = P2^5;
bit command = 0;
uchar data_receive[4] = {0,0,0,0};
uchar rec_num = 0;
void Delay(uint k)//延时函数
{
uint i;
do
{
i = 50;
while(i)i--;
k--;
}
while(k > 0);
}
void LcdBusy(void)//检测LCD模块是否空闲，可以接收指令，等待，直到模块空闲
{
RS = 0;//RS:H数据，L:指令
RW = 1;//RW:H:读，L:写
BUS = 0xFF;//单片机I/O口在读数据前拉到高电平才能正确读取
while(1)
{
E = 1;//E:并口读写起始脚
if(BUS < 0x80)break;//BUS的最高位为忙标志为，BUSY:H:忙，L:空闲
E = 0;//结束读指令
}
E = 0;//结束读指令
}
void SentAIns(uchar Ins)//写入一个指令
{
LcdBusy();//等待模块空闲
RS = 0;//RS:H数据，L:指令
RW = 0;//RW:H:读，L:写
E = 1;//E电平从高到低写入总线上的数据
BUS = Ins & 0xFF;
E = 0;
}
void SentAData(uchar Data)//写入一个数据
{
LcdBusy();//等待模块空闲
RS = 1;//RS:H数据，L:指令
RW = 0;//RW:H:读，L:写
E = 1;//E电平从高到低写入总线上的数据
BUS = Data & 0xFF;
E = 0;
}
uchar ReadAData(void)//读取显示RAM数据
{
uchar temp;
LcdBusy();//等待模块空闲
RS = 1;//RS:H数据，L:指令
RW = 1;//RW:H:读，L:写
E = 1;//E电平从高到低写入总线上的数据
temp = BUS;
E = 0;
return(temp);
}
void LcdInit(void)//模块初始化
{
RST = 0;//RST由低到高
Delay(10);
RST = 1;
Delay(50);
SentAIns(0x30);//写入功能设置指令
Delay(50);
SentAIns(0x30);//写入功能设置指令
Delay(50);
SentAIns(0x0C);//写入显示指令，整体显示开，游标、反白关
Delay(50);
SentAIns(0x01);//写入清屏指令
Delay(50);
SentAIns(0x06);//写入进入电设置指令，方向向右，默认位移
}
void SetCGRAM(uchar N,uchar *Font)//自定义字体，四个，N代表某一个，*Font指向数据
{
uchar i;
SentAIns(0x30);//进入普通模式
SentAIns(0x30 + N*16);//进入CGRAM自定义字体
for(i=0;i<32;i++)
{
SentAData(*(Font++));
}
}
void DisPicFull(uchar *PicData)//满屏显示画面函数，图像大小为128×64，将要写的图片的字模写入PicDa[]数组中
{
uchar i,j;
SentAIns(0x01);//清屏清除RAM
SentAIns(0x34);//扩展指令集
SentAIns(0x34);//绘图显示关
for(i=0;i<16;i++)//第一行
{
SentAIns(0x80 + i);//写入Y地址，16行
SentAIns(0x80);//写入X地址，上半屏0x80-0x87
for(j=0;j<16;j++)//循环16次，总共8×2字节数据要输入，从左至右
{
SentAData(*(PicData++));//写入图片数据
}
}
for(i=0;i<16;i++)//第二行
{
SentAIns(0x90 + i);//写入Y地址，16行
SentAIns(0x80);//写入X地址，上半屏0x90-0x97
for(j=0;j<16;j++)//循环16次，总共8×2字节数据要输入，从左至右
{
SentAData(*(PicData++));//写入图片数据
}
}
for(i=0;i<16;i++)//第三行
{
SentAIns(0x80 + i);//写入Y地址，16行
SentAIns(0x88);//写入X地址，上半屏0x89-0x8F
for(j=0;j<16;j++)//循环16次，总共8×2字节数据要输入，从左至右
{
SentAData(*(PicData++));//写入图片数据
}
}
for(i=0;i<16;i++)//第四行
{
SentAIns(0x90 + i);//写入Y地址，16行
SentAIns(0x98);//写入X地址，上半屏0x90-0x9F
for(j=0;j<16;j++)//循环16次，总共8×2字节数据要输入，从左至右
{
SentAData(*(PicData++));//写入图片数据
}
}
SentAIns(0x36);//绘图显示开
SentAIns(0x30);//进入普通模式
}
void main(void)
{
uchar code PicData[1024] = //128×64图像的字模
{
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x18,0x00,0x00,0x00,0x10,0x70,0x30,0x70,0x00,0xC0,0x02,0x61,0x80,0x00,
0x00,0x3F,0x18,0x1F,0xFF,0xE0,0xF8,0x70,0x30,0x70,0x00,0xE0,0x03,0x33,0x80,0x00,
0x00,0x3F,0x18,0x1F,0xFF,0xF7,0xF2,0x70,0x30,0x60,0x00,0xC0,0x03,0xBB,0x00,0x00,
0x00,0x37,0xFF,0x80,0x6C,0x00,0x63,0x70,0x34,0x62,0x00,0xC0,0x01,0xBB,0x00,0x00,
0x00,0x36,0xFF,0x80,0x6C,0x00,0x63,0xF1,0xFF,0xFF,0x00,0xC1,0x87,0xFF,0xE0,0x00,
0x00,0x3D,0x9B,0x0F,0xFF,0xE7,0xF9,0x70,0xB0,0x60,0x7F,0xFF,0xCF,0xFF,0xF0,0x00,
0x00,0x3C,0xDF,0x07,0xFF,0xE7,0xFC,0x70,0x30,0x60,0x00,0xE0,0x0C,0x02,0xE0,0x00,
0x00,0x36,0xFE,0x06,0x6C,0xE0,0xE7,0x70,0x3F,0xFE,0x00,0xE0,0x1F,0xFF,0xC0,0x00,
0x00,0x37,0xFC,0x86,0xEC,0xE0,0xFB,0x70,0x7F,0xFE,0x00,0xE0,0x0B,0xFF,0x80,0x00,
0x00,0x33,0xFF,0xC6,0xCC,0xE1,0xFB,0x7D,0xF1,0x8C,0x01,0xF0,0x00,0x1C,0x00,0x00,
0x00,0x33,0xFF,0xC6,0xCF,0xE3,0xF9,0xFD,0xF0,0xDC,0x01,0xF0,0x00,0x38,0xE0,0x00,
0x00,0x3F,0x3C,0x07,0x8F,0xE3,0x7F,0xF0,0x30,0xF8,0x01,0x98,0x1F,0xFF,0xE0,0x00,
0x00,0x3E,0x7C,0x07,0x03,0xE6,0x68,0x70,0x30,0xF0,0x03,0x9C,0x00,0x38,0x00,0x00,
0x00,0x30,0x66,0x06,0x00,0xE4,0x60,0x70,0x30,0x70,0x07,0x0E,0x00,0x38,0x00,0x00,
0x00,0x30,0xC3,0x87,0xFF,0xE0,0x60,0x70,0xF1,0xFC,0x0E,0x07,0xC0,0xF8,0x00,0x00,
0x00,0x33,0x83,0xC6,0x00,0xE0,0x60,0x70,0xF7,0x9F,0x3C,0x03,0xC0,0xF8,0x00,0x00,
0x00,0x37,0x00,0x8C,0x00,0xC0,0x60,0x70,0x7E,0x06,0x70,0x01,0x80,0x30,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,
