单片机 字符液晶1602仿真测试.rar

#include <REGX52.H> #include "LCD1602.h" unsigned char TempBuffer[10]; void IntToStr(unsigned int t, unsigned char *str, unsigned char n) { unsigned char a[5]; char i, j; a[0]=(t/10000)%10; //取得整数值到数组 a[1]=(t/1000)%10; a[2]=(t/100)%10; a[3]=(t/10)%10; a[4]=(t/1)%10; for(i=0; i<5; i++) //转成ASCII码 a[i]=a[i]+'0'; for(i=0; a[i]=='0' && i<=3; i++); for(j=5-n; j<i; j++) //填充空格 { *str=' '; str++; } for(; i<5; i++) { *str=a[i]; str++; } //加入有效的数字 *str='\0'; } void Delay1ms(unsigned int count) { unsigned int i,j; for(i=0;i<count;i++) for(j=0;j<120;j++); } main() { unsigned int Count = 0; LCD_Initial(); GotoXY(0,0); Print("The 1602LCD Test"); GotoXY(0,1); Print("GO: by JJJ"); while(1) { IntToStr(Count++,&TempBuffer[0],5); GotoXY(3,1); Print(&TempBuffer[0]); Delay1ms(100); } }