1602显示数字0-99循环，求例子啊，最好是51单片机的噢~~

Question

如题所述

Answer 1

给你写一个参考程序
/*****************************************
*
*
* 显示0-99
*
*
******************************************/
#include "REG52.H"

sbit LCD_RS = P2^0;sbit LCD_EN = P2^1;
#define LCD_DATA P0
unsigned char INT_TEMP;
unsigned char INT_NUMQ;
unsigned char value_temp[2];

/*
* 带形参延时1ms延时子函数
**/
void Delay_1ms(unsigned int Time)
{
unsigned int x, y;
for(x = Time; x > 0; x--)
for(y = 120; y > 0; y--);
}

/*
* LCD1602液晶写指令子函数
**/
void Write_LCDcrys_ByteCmd(unsigned char Date)
{
LCD_RS = 0;
LCD_DATA = Date;
Delay_1ms(30);
LCD_EN = 1;
Delay_1ms(30);
LCD_EN = 0;
}

/*
* LCD1602液晶写数据子函数
**/
void Write_LCDcrys_DataCmd(unsigned char Data)
{
LCD_RS = 1;
LCD_DATA = Data;
Delay_1ms(30);
LCD_EN = 1;
Delay_1ms(30);
LCD_EN = 0;
}

/*
* LCD1602液晶写指令初始化子函数
**/
void Init_LCDcrysRst(void)
{
Write_LCDcrys_ByteCmd(0x38);
Write_LCDcrys_ByteCmd(0x08);
Write_LCDcrys_ByteCmd(0x0C);
Write_LCDcrys_ByteCmd(0x06);
Write_LCDcrys_ByteCmd(0x01);
}
/*
* 定时器初始化
**/
void Timer0_Init(void)
{
TMOD = 0x01;
TH0 = (65536 - 50000) / 256;
TL0 = (65536 - 50000) % 256;
EA = 1;
ET0 = 1;
TR0 = 1;
}

void DISPLAY_LCD1602(void)
{
value_temp[0] = INT_NUMQ / 10 + 0x30;
value_temp[1] = INT_NUMQ % 10 + 0x30;

Write_LCDcrys_ByteCmd(0x80 + 4);
Write_LCDcrys_DataCmd(value_temp[0]);
Write_LCDcrys_DataCmd(value_temp[1]);
}

int main(void)
{
Init_LCDcrysRst();
Timer0_Init();

while(1)
{
DISPLAY_LCD1602();
}
}

void Timer0()interrupt 1
{
TH0 = (65536 - 50000) / 256;
TL0 = (65536 - 50000) % 256;
INT_TEMP++;
if(INT_TEMP == 20)
{
INT_TEMP = 0;
INT_NUMQ++;
if(INT_NUMQ == 100)
{
INT_NUMQ = 0;
}
}
}