单片机的动手实践篇--51单片机玩转12864

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};

void delay1ms(uint x)//延时函数

{

uint i,j;

for(i= x;i>0;i--)

for(j=110;j>0;j--);

}

void write_cmd(uchar cmd)//写指令函数

{

lcdrs = 0;

lcdwr = 0;

P0 = cmd;

lcden = 1;

delay1ms(5);//

lcden = 0;

}

void write_date(uchar date)//写数据函数

{

lcdrs = 1;

lcdwr = 0;

P0 = date;

lcden = 1;

delay1ms(5);//

lcden = 0;

}

void init_12864()

{

PSB = 1;//确定是并行传送

write_cmd(0x30);//基本指令操作

write_cmd(0x0c);//开显示，关掉光标

write_cmd(0x01);//清楚lcd的内容

}

void lcd_putpic(unsigned char code *img)//载入图画的函数

{

uint i,j;

//显示上半个屏幕的内容

for(i = 0;i<32;i++)

{

write_cmd(0x80+i);//垂直的地址

write_cmd(0x80);//水平的地址

for(j=0;j<16;j++)

{

write_date(*img);

img++;

}

}

//显示下半个屏幕的内容

for(i = 0;i<32;i++)

{

write_cmd(0x80+i);//垂直的内容

write_cmd(0x88);//水平的地址第三行的内容

for(j=0;j<16;j++)

{

write_date(*img);

img++;

}

}

}

void setpic()//图像显示模式设置函数

{

write_cmd(0x36);//选择8bit的数据流，图像显示模式

delay1ms(5);

}

main()

{

init_12864();//初始化液晶

setpic();//初始化液晶图片显示

lcd_putpic(pic1);//载入一幅图片

delay1ms(5);

while(1);

}

以后载入图片只需要将图片用取模的软件，注意图片的大小必须是128x64的尺寸，否则会出现乱