液晶与单片机接线图和代码

#include #include #define uint unsigned int#define uchar unsigned char/延时子程序模块/=void mdelay(uint delay) uint i; for(;delay0;delay-) for(i=0;i80;i+) /1ms延时. ; /=void show(); /液晶显示程序/=/12864液晶显示部分子程序模块/=sbit rs = P24;sbit rw = P25;sbit e = P26;#define lcddata P0sbit busy=P07; /lcd busy bitvoid wr_d_lcd(uchar content);void wr_i_lcd(uchar content);void clrram_lcd (void);void init_lcd(void);void busy_lcd(void);void rev_row_lcd(uchar row);void rev_co_lcd(uchar row,uchar col,uchar mode);void clr_lcd(void);void wr_co_lcd(uchar row,uchar col,uchar lcddata1,uchar lcddtta2);void wr_row_lcd(uchar row,char *p);/=/液晶初始化/=void init_lcd(void) wr_i_lcd(0x06); /*光标的移动方向*/ wr_i_lcd(0x0c); /*开显示，关游标*/=/填充液晶DDRAM全为空格/=void clrram_lcd (void) wr_i_lcd(0x30); wr_i_lcd(0x01);/=/对液晶写数据/content为要写入的数据/=void wr_d_lcd(uchar content) busy_lcd(); rs=1; rw=0; lcddata=content; e=1; ; e=0;/=/对液晶写指令/content为要写入的指令代码/=void wr_i_lcd(uchar content) busy_lcd(); rs=0; rw=0; lcddata=content; e=1; e=0;/=/液晶检测忙状态/在写入之前必须执行/=void busy_lcd(void) lcddata=0xff; rs=0; rw=1; e =1; while(busy=1); e =0;/=/指定要显示字符的坐标/=void gotoxy(unsigned char y, unsigned char x) if(y=1) wr_i_lcd(0x80|x); if(y=2) wr_i_lcd(0x90|x); if(y=3) wr_i_lcd(0x80|x)+8); if(y=4) wr_i_lcd(0x90|x)+8);/=/液晶显示字符串程序/=void print(uchar *str) while(*str!=0) wr_d_lcd(*str); str+; /=/液晶显示主程序模块/=void show() gotoxy(1,0); print(啸风 MCU DIY); mdelay(200); gotoxy(2,0); print( 【电子世界】); mdelay(200); /扫描延时 gotoxy(3,0); print(WWW.EEPW.); mdelay(200); /扫描延时 gotoxy(4,0); print(12864 液晶测试); md