單片機1602電子時鐘加按鍵燈程序

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ID:509174 發表于 2020-4-10 08:49 | 只看該作者 |只看大圖回帖獎勵

|倒序瀏覽 |閱讀模式

用1602顯示時間
單片機內部定時器計數
按鍵控制臺燈
藍牙控制臺燈

//用51單片機僅更換頭文件即可套用
#include <STC12C5A60S2.H>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
void UsartConfiguration();
sbit k = P2^4; //開燈
sbit led = P1^0; //led燈
sbit EP = P2^7; //使能端
sbit RW = P2^5; //數據/命令選擇端
sbit RS = P2^6; //讀寫選擇端
sbit KEY_1 = P3^2; //按鍵設置模式選擇
sbit KEY_2 = P3^3; //按鍵
static uint code table1[] = {0, 31, 60, 91, 121, 152,182, 213, 243, 274, 304, 335};
static uchar code *Week[7] = {"Sun","Mon","Tue" ,"Wed", "Thu", "Fri", "Sat"};
uchar sec = 0, hour = 12, minu = 0;
uchar count = 0, week = 0; month = 1, day = 1;
uint a,num;
void InitTimer0()
{
ET0 = 1;
TMOD = 0x21;
TH0 = (65536 - 46071)/256;
TL0 = (65536 - 46071)%256;
TR0 = 1;
}
void delay(uint ms)
{
uint i, j;
for(i=ms; i>0; i--)
for(j=920; j>0; j--);
}
void Write_Cmd(uchar cmd) //寫入命令
{
// Lcd_Ready();
RS = 0;
RW = 0;
EP = 0;
P0 = cmd;
delay(5);
EP = 1;
delay(5);
EP = 0;
}
void Write_Dat(uchar dat) //寫入數據
{
// Lcd_Ready(); //LCD1602 不忙則跳出
RS = 1;
RW = 0;
EP = 0;
P0 = dat;
delay(5);
EP = 1;
delay(5);
EP = 0;
}
void Write_Week(uchar day, uchar month) //星期與日期同步
{
week = (table1[(month - 1)] + day -5);
week = week % 7;
Write_Cmd(0x80 + 12);
while(*Week[week] != '\0')
Write_Dat(*Week[week]++);
}
void Write_Num(uchar x, uchar y, uchar num) //將時分秒和日期寫入1602
{
uchar unit, decad;
unit = num % 10;
decad = num /10;
if(y == 1)
{
Write_Cmd(0x80 + 0x40 + x);
Write_Dat(0x30 + decad); //即加48，將數字轉換為ASC||字符數字
Write_Dat(0x30 + unit);
}
else
{
Write_Cmd(0x80 + x);
Write_Dat(0x30 + decad);
Write_Dat(0x30 + unit);
}
}
void Lcd_Init() //LCD初始化設定
{
Write_Cmd(0x38); // 16*2顯示，5*7點陣，8位數據
Write_Cmd(0x0c); // 顯示開，關光標
Write_Cmd(0x06); // 讀寫地址自動加1，光標加1
Write_Cmd(0x01); //清除屏幕
Write_Cmd(0x80);
}
void Display() //
{
Write_Week(day, month);
Write_Num(9, 0, day);
Write_Num(6, 0, month);
Write_Num(4, 1, hour);
Write_Num(7, 1, minu);
Write_Num(10, 1, sec);
Write_Cmd(0x80 + 0x40 + 6);
Write_Dat(':');
Write_Cmd(0x80 + 0x40 + 9);
Write_Dat(':');
}
void TimerCount()
{
if(count == 20)
{
count = 0;
sec++;
if(sec == 60)
{
sec = 0;
minu++;
if(minu == 60)
{
minu = 0;
hour++;
if(hour == 24)
{
hour = 0;
day++;
week++;
if(week == 7)
week = 0;
switch(month)
{
case 1:
if(day == 32)
{
day = 0;
month++;
break;
}
case 2:
if(day == 29)
{
day = 0;
month++;
break;
}
case 3:
if(day == 32)
{
day = 0;
month++;
Write_Num(6, 0, month);
break;
}
case 4:
if(day == 31)
{
day = 0;
month++;
break;
}
case 5:
if(day == 32)
{
day = 0;
month++;
break;
}
case 6:
if(day == 31)
{
day = 0;
month++;
break;
}
case 7:
if(day == 32)
{
day = 0;
month++;
break;
}
case 8:
if(day == 32)
{
day = 0;
month++;
break;
}
case 9:
if(day == 31)
{
day = 0;
month++;
break;
}
case 10:
if(day == 32)
{
day = 0;
month++;
break;
}
case 11:
if(day == 31)
{
day = 0;
month++;
Write_Num(6, 0, month);
break;
}
case 12:
if(day == 32)
{
day = 0;
month = 1;
Write_Num(6, 0, month);
break;
}
}
}
}
}
Display();
}
}
void KeyScan()
{
static uchar key1cnt = 0; //KEY_1按下的次數
if(KEY_1 == 0)
{
delay(10);
if(KEY_1 == 0)
{
key1cnt++;
while(!KEY_1);
switch(key1cnt)
{
case 1:
TR0 = 0;
Write_Cmd(0x80 + 0x40 + 5);
Write_Cmd(0x0F); //顯示光標且光標閃爍
break;
case 2:
Write_Cmd(0x80 + 0x40 + 8);
break;
case 3:
Write_Cmd(0x80 + 0x40 + 11);
break;
case 4:
Write_Cmd(0x80 + 7);
break;
case 5:
Write_Cmd(0x80 + 10);
break;
case 6:
TR0 = 1;
Write_Cmd(0x0C); //不顯示光標
key1cnt = 0;
break;
}
}
}
if(key1cnt != 0)
{
if(KEY_2 == 0)
{
delay(10);
if(KEY_2 == 0)
{
while(!KEY_2);
switch(key1cnt)
{
case 1:
hour++;
if(hour == 24)
hour = 0;
Write_Num(4, 1, hour);
Write_Cmd(0x80 + 0x40 + 5);
break;
case 2:
minu++;
if(minu == 60)
minu = 0;
Write_Num(7, 1, minu);
Write_Cmd(0x80 + 0x40 + 8);
break;
case 3:
sec++;
if(sec == 60)
sec = 0;
Write_Num(10, 1, sec);
Write_Cmd(0x80 + 0x40 + 11);
break;
case 4:
month++;
if(month == 13)
month = 1;
Write_Num(6, 0, month);
Write_Cmd(0x80 + 7);
break;
case 5:
day++;
if(day == 32)
day = 1;
Write_Num(9, 0, day);
Write_Cmd(0x80 + 10);
break;
}
}
}
}
}
void desp_led()
{
if(k==0)
{
delay(50);
if(k==0)
{
a++;
if(a==2)
a=0;
}
}
if(a==0)
{
led=0;
}
if(a==1)
{
led=1;
}
while(!k);
}
/***************** 主函數******************/
/***************** 主函數******************/
void main()
{
uchar i = 0;
uchar code table[] = {"2020-01-01 Wed"};
EA = 1;
Lcd_Init(); //1602初始化
InitTimer0(); //定時器0初始化
UsartConfiguration(); //調用藍牙接受的參數
P1M0=0XFF;
P1M1=0X00;
Write_Cmd(0x80 + 1);
while(table[i] != '\0')
{
Write_Dat(table[i]);
i++;
}
while(1)
{
desp_led();
KeyScan();
SBUF=num;//藍牙
if(num == 'm') //滅
{
led=0;
a=0;
}
if(num == 'l') //亮
{
led=1;
a=1;
}
if(num == 'b') //半亮
{
led=1;
delay(50); //設置為75％亮度
led=0;
}
}
}
/***************** 主函數******************/
/***************** 主函數******************/
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