LCD12864 串行方式画sin直线显示图像Word格式文档下载.docx

1、/端口定义sbit LCD_CS=P35; /片选信号sbit LCD_SID=P36; /串行数据线sbit LCD_SCLK=P34; /串上时钟输入/数组，字定义uchar code a=阿姆 YOUNG; /定义要显示的字符串uint x=0;/图片取模/*/ code uchar tu=0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFE,0x00,0x00,0x00,0x00,0x00,0

2、x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xC0,0x00,0x00,0x04,0x00,0x00,0x00,0x07,0xFF,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xE0,0x00,0x07,0xFF,0x00,0x00,0x00,0x05,0xC6,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xE0,0

3、x01,0xFF,0xFF,0x80,0x00,0x00,0x05,0x5E,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xF0,0x3F,0xFF,0xFF,0x80,0x00,0x00,0x07,0x7E,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x05,0xFE,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xC7,0x80,0x00,0x05,0xFE,0x00,0x00,0x00,0x00,0

4、x00,0x01,0xF1,0xFF,0xFF,0xFF,0xFF,0xCF,0xC0,0x00,0x05,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xDF,0xE0,0x00,0x07,0xF6,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x05,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x04,0x1E,0

5、x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0x3F,0xFF,0xFF,0xF0,0x00,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xBF,0xFE,0x07,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x0F,0x3F,0xFC,0x03,0xFF,0xFF,0xE0,0x00,0x02,0x00,0x06,0x20,0x00,0x00,0x00,0x00,0x00,0x3F,0xFC,0x03,0xFF,0xFF,0

6、xC0,0x00,0x03,0xFC,0x7F,0xF0,0x00,0x00,0x00,0x00,0x00,0x3F,0xF8,0x03,0xFF,0xF8,0x00,0x00,0x02,0xC8,0x0D,0x80,0x00,0x00,0x00,0x00,0x00,0x3F,0xE0,0x03,0xFF,0xE0,0x00,0x00,0x02,0xC8,0x1D,0xC0,0x00,0x00,0x00,0x00,0x00,0x3F,0xC0,0x07,0xFF,0xC0,0x00,0x00,0x02,0x4E,0x30,0xF0,0x00,0x00,0x00,0x00,0x00,0x3F,0

7、x80,0x07,0xFF,0xC0,0x00,0x00,0x0F,0xFE,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x1F,0xC0,0x0F,0xFF,0xC0,0x00,0x00,0x06,0xC8,0x12,0x40,0x00,0x00,0x00,0x00,0x00,0x1F,0xE0,0x3F,0xFF,0x80,0x00,0x00,0x06,0x58,0x1F,0xC0,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x07,0xFE,0x12,0x40,0x00,0x00,0

8、x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x06,0x18,0x1F,0xC0,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x78,0x12,0x40,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x30,0x33,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0

9、x1B,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x0B,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x01,0x80,0x73,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x01,0x80,0x33,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFE,0x00,0x00,0

10、x00,0x00,0x01,0x80,0x13,0x60,0x00,0x00,0x00,0x00,0x00,0x7F,0xFD,0xE0,0x00,0x00,0x00,0x00,0x01,0x80,0xFF,0xC0,0x00,0x00,0x00,0x00,0x03,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0xC3,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x03,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0

11、xF8,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x03,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x03,0x00,0x00,0x60,0x00,0x00,0x03,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x00,0x00,0x07,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFC,0

12、x00,0x00,0x0F,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xF8,0x00,0x00,0x1F,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x7F,0xC0,0xF8,0x00,0x00,0x3F,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFC,0x03,0xFC,0x00,0x00,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0

13、x07,0xC2,0x03,0xFE,0x00,0x01,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xC2,0x03,0xF7,0x00,0x03,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x05,0xC2,0x03,0xFB,0x00,0x07,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xC2,0x01,0xFB,0x80,0x07,0xFF,0x80,0x00,0x00,0x00,0x00,0

14、x00,0x00,0x00,0x00,0x05,0xC0,0x01,0xFD,0xC0,0x0F,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x80,0x01,0xFC,0xE0,0x1F,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x82,0x00,0xFC,0xE0,0x1F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x82,0x00,0xFE,0x70,0x0F,0xFC,0x00,0

15、x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x82,0x00,0xFE,0x78,0x07,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x80,0x00,0x7E,0x38,0x01,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x7F,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x02,0x00,0x7F,0

16、x1E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x06,0x08,0x3F,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x06,0x00,0x3F,0x8F,0x00,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x06,0x00,0x3F,0x87,0x1F,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0

17、x03,0x00,0x00,0x03,0x97,0xBF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0x9F,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFD,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0

18、x00,0x00,/延时函数void Delay_nms（uchar n） uchar i; uchar j; for（i=0;in;i+） for（j=0;j125;j+） /大概1ms _nop_（）;/串行发送一个字节void LCD_sendbyte（uchar byte）8; LCD_SCLK=0; /拉低时钟线 LCD_SID=（bit）（byte&0x80）; /发送最高位数据 LCD_SCLK=1; /上升沿发送数据 byte=byte1; /左移一位 /*/写指令void LCD_write_com（uchar com） LCD_CS=1; LCD_sendbyte（0xf8

19、）; /送入5个连续的“1“，启动一个周期,11111,RW（0）,RS（0）,0 LCD_sendbyte（0xf0&com）; /取高四位，数据分两次传送， /每个字节的内容被送入两个字节 /高四位放在第一个字节的高四位（com4）; /低四位放在第二个字节的高四位 LCD_CS=0; Delay_nms（10）; /串行不支持读操作，不可检测忙操作，这里用延时替代 /*/写数据void LCD_write_dat（uchar dat） LCD_sendbyte（0xfa）; /送入5个连续的“1“，启动一个周期,11111,RW（0）,RS（1）,0dat）;（dat /低四位放在第二个

20、字节/*/LCD初始化void LCD_init（void） LCD_write_com（0x30）; /选择基本指令集 LCD_write_com（0x0c）; /开显示，无游标，不反白 LCD_write_com（0x01）; /清除显示屏幕，把DDRAM位址计数器调整为00H Delay_nms（5）; /清屏操作时间较长1.6ms 因此加此延时 LCD_write_com（0x02）; /清DDRAM位址归位,此处貌似与清屏重复 LCD_write_com（0x06）; /设定光标右移，整体显示不移动/*/显示字符串void print（uchar *s） while（*s!=0） L

21、CD_write_dat（*s）; s+;/*/设置显示地址void LCD_Setaddress（uchar x,uchar y） /地址从第1行第1列开始不从0开始 uchar addr; switch（x） case 1: addr=0x80+y-1; break; case 2: addr=0x90+y-1; case 3: addr=0x88+y-1; case 4: addr=0x98+y-1; default : break; LCD_write_com（addr）; /字符显示开始地址/*/让字符串显示在固定位置，设置（x，y）的位置，调用上面的函数void LCD_Putst

22、ring（ uchar x, uchar y, uchar *pData ） LCD_Setaddress（x,y）; while（ *pData != ） LCD_write_dat（ *pData+ ）;/*- */打点绘图，适用于在屏幕上打稀疏的几个点，不能用于横行连续打点void LCD_draw_point（uchar x, uchar y） uchar x_byte, x_bit; /在横坐标的哪一个字节，哪一个位 uchar y_byte, y_bit; /在纵坐标的哪一个字节，哪一个位 x_byte=x /16; /算出它在哪一个字节（地址） /注意一个地址是16位的 x_bi

23、t=x%16; /（取模）算出它在哪一个位 y_byte=y/32; /y是没在哪个字节这个说法 /这里只是确定它在上半屏（32行为一屏）还是下半屏 /0:上半屏 1:下半屏 y_bit=y%32; /y_bit确定它是在第几行 LCD_write_com（0x34）; /打开扩展指令集 LCD_write_com（0x80+y_bit）; /垂直地址（上） 貌似与说明书正好相反 LCD_write_com（0x80+x_byte+8*y_byte）; /先写水平坐标（下） 貌似与说明书正好相反 /具体参照数据手册 /下半屏的水平坐标起始地址为0x88 /（+8*y_byte）就是用来确定在上半屏还是下半屏 if（x_bit8） /如果x_bit位数小于8 LCD_write_dat（0x01（7-x_bit）; /写高字节。因为坐标是从左向右的 /而GDRAM高位在左，低位在右 LCD_write_dat（0x00）; /低字节全部填0 else /高字节全部填0（15-x_bit）; LCD_write_com（0x36）; /打开绘图显示 /回到基本指令集/*/ /打点绘图 一次打水平一行 可以避免断点现象 /x表示数组的首