69色视频日韩在线视频,亚洲精品视频在线观看你懂的,夜里不知节制

# include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit rs = P3^5;
sbit en = P3^4;
sbit rw = P3^6;
sbit we = P2^7;
sbit du = P2^7;
sbit S2 = P3^0;
sbit S3 = P3^1;
sbit S4 = P3^2;
sbit S5 = P3^3;
sbit fm = P2^3;
sbit led = P1^3;
uchar count, S2num, tian;
uchar sec = 55, min = 33, hour = 16;
uchar code table[] = " 2020-03-19";
uchar code table1[] = " 16:33:55 MJW";
void delay(uint z) //延時函數(shù)
{
uint x, y;
for(x = z; x > 0;x --)
for (y = 110; y > 0; y --);
}
void write_com(uchar com) //寫命令函數(shù)
{
rs = 0;
P0 = com;
delay(5);
en = 1;
delay(5);
en = 0;
}
void write_dat(uchar date) //寫數(shù)據(jù)函數(shù)
{
rs = 1;
P0 = date;
delay(5);
en = 1;
delay(5);
en = 0;
}
void init() //初始化函數(shù)
{
uchar num;
rw =0;
en = 0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);
for(num = 0; num < 13; num ++)
write_dat(table[num]);
write_com(0x80 + 0x40);
for(num = 0; num < 15; num ++)
write_dat(table1[num]);
TMOD = 0x01;
TH0 = (65536 - 50000) / 256;//再次裝定時器初值
TL0 = (65536 - 50000) % 256;
EA = 1;
ET0 = 1;
TR0 = 1;
}
void timer0() interrupt 1 //定時器函數(shù)
{
TH0 = (65536 - 50000) / 256;//再次裝定時器初值
TL0 = (65536 - 50000) % 256;
count ++;
}
void write_sfm(uchar add, uchar date) //時分秒函數(shù)
{
uchar shi, ge;
shi = date / 10;
ge = date % 10;
write_com(0x80 + 0x40 + add); //顯示的位置
write_dat(0x30 + shi);
write_dat(0x30 + ge);
}
void naozhong() // 蜂鳴器/鬧鐘函數(shù)
{
if(hour == 18) //設(shè)置鬧鐘時間：時
{
if(min == 30) //設(shè)置鬧鐘時間：分
{
if(sec == 0) //設(shè)置鬧鐘時間：秒
fm = 0; //0打開蜂鳴器，1關(guān)閉蜂鳴器
}
}
if(S5 == 0)
{
delay(5);
if(S5 == 0)
fm = 1; //按下S5停止蜂鳴器
}
}
void Key() //按鍵函數(shù)
{
if(S2 == 0) //按下按鍵
{
delay(5); //軟件消抖
if(S2 == 0) //確認按下
{
S2num ++; //按鍵次數(shù)增加
while(!S2); //松開按鍵
TR0 = 0; //關(guān)閉定時器
write_com(0x0f); //打開光標且閃爍
if(S2num == 1)
write_com(0x80 + 0x40 + 9); //修改時間秒數(shù)
if(S2num == 2)
write_com(0x80 + 0x40 + 6); //修改時間分鐘數(shù)
if(S2num == 3)
write_com(0x80 + 0x40 + 3); //修改時間小時數(shù)
if(S2num == 4)
write_com(0x80 + 12); //修改日期天數(shù)
if(S2num == 5)
write_com(0x80 + 9); //修改日期月份
if(S2num == 6)
write_com(0x80 + 6); //修改日期年份
if(S2num == 7)
{
S2num = 0; //按鍵次數(shù)清零
write_com(0x0c); //關(guān)閉光標且停止閃爍
TR0 = 1; //打開定時器
}
}
}
if(S2num != 0) //按下修改按鍵，增加和減少按鍵才有效
{
if(S3 == 0) //增加鍵按下
{
delay(5); //軟件消抖
if(S3 == 0)
{
while(!S3); //確定按鍵按下
if(S2num == 1)
{
sec ++;
if(sec == 60)
sec = 0;
write_sfm(8, sec);
write_com(0x80 + 0x40 + 9);
}
if(S2num == 2)
{
min ++;
if(min == 60)
min = 0;
write_sfm(5, min);
write_com(0x80 + 0x40 + 6);
}
if(S2num == 3)
{
hour ++;
if(hour == 24)
hour = 0;
write_sfm(2, hour);
write_com(0x80 + 0x40 + 3);
}
}
}
if(S4 == 0) //減少鍵按下
{
delay(5);
if(S4 == 0)
{
while(!S4); //確定按鍵按下
if(S2num == 1)
{
sec --;
if(sec == -1)
sec = 59;
write_sfm(8, sec);
write_com(0x80 + 0x40 + 9);
}
if(S2num == 2)
{
min --;
if(min == -1)
min = 59;
write_sfm(5, min);
write_com(0x80 + 0x40 + 6);
}
if(S2num == 3)
{
hour --;
if(hour == -1)
hour = 23;
write_sfm(2, hour);
write_com(0x80 + 0x40 + 3);
}
}
}
}
}
void main() //主函數(shù)
{
init();
while(1)
{
Key(); //插入按鍵函數(shù)
naozhong(); //插入鬧鐘函數(shù)
if(count == 18) //定時1秒
{
count = 0;
led = ~led;
sec ++;
if(sec == 60)
{
sec = 0;
min ++;
if(min == 60)
{
min = 0;
hour ++;
if(hour == 24)
{
hour = 0;
}
write_sfm(2, hour); //小時送回LED屏幕顯示
}
write_sfm(5, min); //分鐘送回LED屏幕顯示
}
write_sfm(8, sec); //秒送回LED屏幕顯示
}
}
}

復制代碼