main.c

关于51单片机的点阵LCD汇编源代码。中间说明了I/O口的连接关系。

#pragma	large
#include <reg51.h>
#include <string.h>

sbit P1_7=P1^7;

unsigned char string[6]={"1b3.cA"};


//////////////参数声明////////////////////////
int  addr;								//地址
unsigned char show_com;
unsigned char char_data;
unsigned char X_coordinate;				//X坐标
unsigned char Y_coordinate;				//Y坐标
unsigned char line;						//行数
unsigned char colume;					//列数
extern 	 unsigned char dat_han[32];		//汉字字模数据
extern   unsigned char sin_dat[128];


//////////////函数声明////////////////////////
extern void lcd_dot_init();
extern void Show_dot(unsigned char Y,unsigned char X);
extern void Show_text(unsigned char line,unsigned char col,unsigned char i);
extern void Show_string(unsigned char line,unsigned char col,unsigned char *string);
extern void Show_han(unsigned char line,unsigned char col,unsigned char *ch);
extern void Show_bmp();
extern void lcd_delay();
extern void clear_LCD();


void main()
{
unsigned char cnt;
lcd_delay();
lcd_dot_init();

/////////test program////////////
Show_bmp();

clear_LCD();


Show_dot(255,1);
Show_text(7,1,3);
Show_han(3,3,dat_han);
Show_string(4,6,string);


clear_LCD();


while(1);
}