标题: 想问下大神这段C语言代码的意思 [打印本页]
作者: 2358980536 时间: 2020-5-24 13:01
标题: 想问下大神这段C语言代码的意思
void key()
{
if(OK==1)
{
if(!key_1)
{
OK=0;
if(sec==3)
{
if(shu<3000) shu+=10;
}else
{
if(shu<3000) shu+=1;
}
SectorErase(0x2000);
byte_write(0x2000,shu/256);
byte_write(0x2001,shu%256);
}
if(!key_2)
{
OK=0;
if(sec==3)
{
if(shu>200) shu-=10;
}else
{
if(shu>200) shu-=1;
}
SectorErase(0x2000);
byte_write(0x2000,shu/256);
byte_write(0x2001,shu%256);
}
}
if(key_1==1&&key_2==1)
{
sec=0;
}
}
作者: 2358980536 时间: 2020-5-24 13:02
#include<reg52.h>
#include"eeprom52.h"
#define uchar unsigned char
#define uint unsigned int
#define LCD1602_dat P0
sbit LCD1602_rs=P2^5;
sbit LCD1602_rw=P2^6;
sbit LCD1602_e=P2^7;
sbit key_1=P1^3;
sbit key_2=P1^4;
sbit beep=P1^5;
sbit led=P1^0;
unsigned long shu1,shu=1500;
uchar ms,sec;
uint cs;
bit OK,beep1;
这是头文件
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