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  • 大小: 40KB
    文件類型: .rar
    金幣: 2
    下載: 1 次
    發(fā)布日期: 2021-06-18
  • 語言: C/C++
  • 標簽: 單片機??c語言??

資源簡介

西北工業(yè)大學電子實習——電子表(C語言) 1.P1口做數(shù)碼管數(shù)據(jù)輸出接口,P2口做數(shù)碼管選擇接口; 2.在八位數(shù)碼管上分別顯示:小時-分鐘-秒 3.K1設置小時加,K2設置小時減,K3設置分鐘加,K4設置分鐘減。

資源截圖

代碼片段和文件信息

#include

#define?uchar?unsigned?char
#define?uint??unsigned?int
#define?DATA?P1?????????????//將P1口定義為數(shù)碼管數(shù)據(jù)接口
#define?SELECT?P2???????????//將P2口定義為數(shù)碼管選擇口

uchar?table[]={0x3F0x060x5b0x4f0x660x6d0x7d0x070x7f0x6f0x40};??//顯示的數(shù)字數(shù)組,0?1?2?3?4?5?6?7?8?9?-
uchar?select[]={0x010x020x040x080x100x200x400x80};????????????????//選擇數(shù)碼管數(shù)組,1?2?3?4?5?6?7?8

sbit?k1?=?P3^2;
sbit?k2?=?P3^3;
//hour

sbit?k3?=?P3^4;
sbit?k4?=?P3^5;
//minute

bit?flag_1?flag_2?flag_3?flag_4?flag_5?flag_6;

uchar?hour?minute?second;

void?delay()
{
uint?i?=?1000;
while(i--);
}

void?init()
{
P0M1?=?0x00;
P0M0?=?0xff;
P1M1?=?0x00;
P1M0?=?0xff;
P2M1?=?0x00;
P2M0?=?0xff;

AUXR?&=?0x7F;
TMOD?&=?0xf0;
TL0?=?0xC0;
TH0?=?0x63;
TR0?=?1;
ET0?=?1;
EA?=?1;
}

void?display()
{
//second
SELECT?=?select[0];
DATA?=?table[second%10];
delay();
SELECT?=?select[1];
DATA?=?table[second/10];
delay();
SELECT?=?select[2];
DATA?=?table[10];
delay();

//minute
SELECT?=?select[3];
DATA?=?table[minute%10];
delay();
SELECT?=?select[4];
DATA?=?table[minute/10];
delay();
SELECT?=?select[5];
DATA?=?table[10];
delay();

//hour
SELECT?=?select[6];
DATA?=?table[hour%10];
delay();
SELECT?=?select[7];
DATA?=?table[hour/10];
delay();

}

void?set_time()
{
//hour+
if(k1?==?0)
{
if(flag_1?==?0)
{
flag_1?=?1;
if(hour?+?1?==?24)
hour?=?0;
else
hour++;
}
}
if(k1?==?1)
{
flag_1?=?0;
}
//hour-
if(k2?==?0)
{
if(flag_2?==?0)
{
flag_2?=?1;
if(hour)
hour--;
else
hour?=?23;
}
}
if(k2?==?1)
{
flag_2?=?0;
}
//minute+
if(k3?==?0)
{
if(flag_3?==?0)
{
flag_3?=?1;
if(minute?+?1?==?60)
{
minute?=?0;
if(hour?+?1?==?24)
hour?=?0;
else
hour++;
}
else
minute++;
}
}
if(k3?==?1)
{
flag_3?=?0;
}
//minute-
if(k4?==?0)
{
if(flag_4?==?0)
{
flag_4?=?1;
if(!minute)
{
minute?=?59;
if(hour)
hour--;
else
hour?=?23;
}
else
minute--;
}
}
if(k4?==?1)
{
flag_4?=?0;
}
}

void?timer0()?interrupt?1
{
uchar?t0;
t0++;
if(t0?==?50)
{
t0?=?0;
second++;
if(second?==?60)
{
second?=?0;
minute++;
if(minute?==?60)
{
minute?=?0;
hour++;
if(hour?==24)
{
hour?=?0;
}
}
}
}
}

void?main()
{
init();
while(1)
{
display();
set_time();
}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????24497??2005-01-01?05:44??電子表\led

?????文件????????947??2005-01-01?05:44??電子表\led.build_log.htm

?????文件???????1611??2005-01-01?05:44??電子表\led.hex

?????文件?????????39??2005-01-01?05:44??電子表\led.lnp

?????文件???????6519??2005-01-01?05:44??電子表\led.LST

?????文件??????12819??2005-01-01?05:44??電子表\led.M51

?????文件??????25074??2005-01-01?05:44??電子表\led.OBJ

?????文件????????618??2020-05-28?10:58??電子表\led.plg

????.......?????70521??2005-01-01?06:24??電子表\led.uvgui.Adimin

?????文件???????5341??2005-01-01?05:02??電子表\led.uvopt

?????文件??????13932??2005-01-01?05:02??電子表\led.uvproj

?????文件??????55622??2020-05-28?10:56??電子表\led_uvopt.bak

?????文件??????????0??2020-05-28?10:54??電子表\led_uvproj.bak

?????文件???????6376??2009-05-07?14:37??電子表\STARTUP.A51

?????文件??????14049??2005-01-01?05:44??電子表\STARTUP.LST

?????文件????????749??2005-01-01?05:44??電子表\STARTUP.OBJ

?????文件??????19040??2016-09-22?20:10??電子表\STC8A.h

?????文件???????2593??2020-09-19?22:13??電子表\led.c

?????目錄??????????0??2005-01-01?06:01??電子表

-----------?---------??----------?-----??----

???????????????260347????????????????????19


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