feat: 初始化项目,上传初始代码
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/*******************************************************************************
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* 实验名 : 万年历实验
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* 使用的IO :
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* 实验效果 :1602显示时钟,按K3进入时钟设置,按K1选择设置的时分秒日月,按K2选择
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*选择设置加1。
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* 注意 :
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*******************************************************************************/
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#include<reg51.h>
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#include"lcd.h"
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#include"ds1302.h"
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sbit K1=P3^1;
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sbit K2=P3^0;
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sbit K3=P3^2;
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sbit K4=P3^3; //管脚接线
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void Int0Configuration();
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void LcdDisplay();
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unsigned char SetState,SetPlace;
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void Delay10ms(void); //误差 0us
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/*******************************************************************************
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* 函数名 : main
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* 函数功能 : 主函数
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* 输入 : 无
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* 输出 : 无
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*******************************************************************************/
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void main()
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{
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unsigned char i;
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Int0Configuration();
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LcdInit();
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Ds1302Init();
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while(1)
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{
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if(SetState==0)
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{
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Ds1302ReadTime();
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}
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else
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{
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if(K1==0) //检测按键K1是否按下
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{
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Delay10ms(); //消除抖动
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if(K1==0)
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{
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SetPlace++;
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if(SetPlace>=7)
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SetPlace=0;
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}
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while((i<50)&&(K1==0)) //检测按键是否松开
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{
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Delay10ms();
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i++;
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}
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i=0;
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}
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if(K2==0) //检测按键K2是否按下
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{
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Delay10ms(); //消除抖动
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if(K2==0)
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{
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TIME[SetPlace]++;
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if((TIME[SetPlace]&0x0f)>9) //换成BCD码。
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{
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TIME[SetPlace]=TIME[SetPlace]+6;
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}
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if((TIME[SetPlace]>=0x60)&&(SetPlace<2)) //分秒只能到59
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{
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TIME[SetPlace]=0;
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}
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if((TIME[SetPlace]>=0x24)&&(SetPlace==2)) //小时只能到23
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{
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TIME[SetPlace]=0;
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}
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if((TIME[SetPlace]>=0x32)&&(SetPlace==3)) //日只能到31
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{
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TIME[SetPlace]=0;
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}
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if((TIME[SetPlace]>=0x13)&&(SetPlace==4)) //月只能到12
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{
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TIME[SetPlace]=0;
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}
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if((TIME[SetPlace]>=0x7)&&(SetPlace==5)) //周只能到7
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{
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TIME[SetPlace]=1;
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}
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// if(SetPlace==5) //月只能到12
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// {
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// TIME[SetPlace]=;
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// }
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}
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while((i<50)&&(K2==0)) //检测按键是否松开
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{
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Delay10ms();
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i++;
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}
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i=0;
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}
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}
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LcdDisplay();
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}
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}
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/*******************************************************************************
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* 函数名 : LcdDisplay()
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* 函数功能 : 显示函数
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* 输入 : 无
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* 输出 : 无
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*******************************************************************************/
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void LcdDisplay()
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{
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LcdWriteCom(0x80+0X40);
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LcdWriteData('0'+TIME[2]/16); //时
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LcdWriteData('0'+(TIME[2]&0x0f));
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LcdWriteData('-');
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LcdWriteData('0'+TIME[1]/16); //分
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LcdWriteData('0'+(TIME[1]&0x0f));
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LcdWriteData('-');
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LcdWriteData('0'+TIME[0]/16); //秒
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LcdWriteData('0'+(TIME[0]&0x0f));
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LcdWriteCom(0x80);
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LcdWriteData('2');
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LcdWriteData('0');
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LcdWriteData('0'+TIME[6]/16); //年
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LcdWriteData('0'+(TIME[6]&0x0f));
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LcdWriteData('-');
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LcdWriteData('0'+TIME[4]/16); //月
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LcdWriteData('0'+(TIME[4]&0x0f));
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LcdWriteData('-');
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LcdWriteData('0'+TIME[3]/16); //日
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LcdWriteData('0'+(TIME[3]&0x0f));
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LcdWriteCom(0x8D);
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LcdWriteData('0'+(TIME[5]&0x07)); //星期
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}
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/*******************************************************************************
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* 函数名 : Int0Configuration()
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* 函数功能 : 配置外部中断0
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* 输入 : 无
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* 输出 : 无
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*******************************************************************************/
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void Int0Configuration()
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{
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//设置INT0
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IT0=1;//跳变沿出发方式(下降沿)
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EX0=1;//打开INT0的中断允许。
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EA=1;//打开总中断
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}
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/*******************************************************************************
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* 函数名 : Int0()
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* 函数功能 : 外部中断0 中断函数
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* 输入 : 无
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* 输出 : 无
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*******************************************************************************/
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void Int0() interrupt 0
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{
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Delay10ms();
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if(K3==0)
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{
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SetState=~SetState;
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SetPlace=0;
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Ds1302Init();
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}
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}
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/*******************************************************************************
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* 函数名 : Delay10ms
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* 函数功能 : 延时函数,延时10ms
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* 输入 : 无
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* 输出 : 无
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*******************************************************************************/
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void Delay10ms(void) //误差 0us
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{
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unsigned char a,b,c;
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for(c=1;c>0;c--)
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for(b=38;b>0;b--)
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for(a=130;a>0;a--);
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}
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