单片机+TM1628+DS12C887时钟源程序

ID:164931 · 发表于 2020-4-11 22:18

在烤箱拆出来的LED显示屏，和那个宝上TM1638d的驱动一样，加了DS12C887时钟芯片，废物利用一下，附上程序。
51hei图片_20200411220743.jpg

单片机源程序如下:

#include "define.h"
unsigned char code table[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,
0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};
//unsigned char num[8]={0,1,2,3,4,5,6,7}; //各个数码管显示的值
struct Timer{
unsigned char sec;
unsigned char min;
unsigned char hour;
};
#define INBUF_LEN 4
unsigned char ch;
unsigned key_num=0;
unsigned char cnt_num=0;
uchar cnt_sec=0;
bit read_flag=0;
bit Set_flag =0;
struct Timer Display;
struct Timer Setting;
void DS12C887_read_time()
{
Display.sec=DS12C887_read_ds(DC12C887_Sec_Address);
Display.min=DS12C887_read_ds(DC12C887_Min_Address);
Display.hour=DS12C887_read_ds(DC12C887_Hour_Address);
}
void init_serialcom( void )
{
SCON = 0x50 ; //SCON: serail mode 1, 8-bit UART, enable ucvr
TMOD |= 0x20 ; //TMOD: timer 1, mode 2, 8-bit reload
PCON |= 0x80 ; //SMOD=1;
TH1 = 0xFA ; //Baud:9600 fosc=11.0592MHz
IE |= 0x90 ; //Enable Serial Interrupt
TR1 = 1 ; // timer 1 run
TI=1;
}
void Timer0Init(void) //50ms @11.0592MHz
{
// AUXR &= 0x7F; //?????12T??
TMOD &= 0xF0; //???????
TMOD |= 0x01; //???????
TL0 = 0x00; //??????
TH0 = 0x4C; //??????
TF0 = 0; //??TF0??
ET0 = 1;
TR0 = 0; //???0????
EA = 1;
}
void send_char_com( unsigned char ch)
{
SBUF=ch;
while (TI== 0);
TI= 0 ;
}
void Key_Scan()
{
if(KEY_SET==0)
{
delay_ms(1);
if(KEY_SET==0)
{
while(!KEY_SET);
key_num++;
if(key_num>=3) //设置完成
{
key_num = 0;
//DS12C887_write_time(Setting.hour,Setting.min,0);
DS12C887_write_ds(0x0b,0x26);
DS12C887_write_time(Display.hour,Display.min,0);
Set_flag=0;
TR0 = 0;
//display_st = 1; //????
//SET.hour=(DISPLAY.hour/10)*16+DISPLAY.hour%10;
//SET.min=(DISPLAY.min/10)*16+DISPLAY.min%10;
//iicWriteData(HOUR_ADDRESS,SET.hour);
//iicWriteData(MIN_ADDRESS,SET.min);
//iicWriteData(SEC_ADDRESS,0x00); //denable oscillator
}
}
}
if(key_num!=0)
{
TR0 = 1;
//iicWriteData(SEC_ADDRESS,0x80); //disable oscillator
Set_flag=1; //进入设置模式
DS12C887_write_ds(0x0b,0xa6); //DS12C887禁止读取
if(key_num == 1) //第一次按下按键，调小时
{
if(LED)
{
TM1638_Write_DATA(TM1638_Thous_Bit,0x00);
TM1638_Write_DATA(TM1638_Hund_Bit,0x00);
}
//LED_DISPLAY(DISPLAY.hour,DISPLAY.min,1);
//else LED_DISPLAY(DISPLAY.hour,DISPLAY.min,0);
if(KEY_ADD==0)
{
delay_ms(1);
if(KEY_ADD==0)
{
while(!KEY_ADD);
Display.hour++;
if(Display.hour>=24)
Display.hour=0;
}
}
if(KEY_DEC==0)
{
delay_ms(1);
if(KEY_DEC==0)
{
while(!KEY_DEC);
if(Display.hour>0)
Display.hour--;
}
}
}
if(key_num == 2) //第二次按下设置键，调分钟
{
if(LED)
{
TM1638_Write_DATA(TM1638_Ten_Bit,0x00);
TM1638_Write_DATA(TM1638_Bit,0x00);
}
if(KEY_ADD==0)
{
delay_ms(1);
if(KEY_ADD==0)
{
while(!KEY_ADD);
Display.min++;
if(Display.min>=60)
Display.min=0;
}
}
if(KEY_DEC==0)
{
delay_ms(1);
if(KEY_DEC==0)
{
while(!KEY_DEC);
if(Display.min>0)
Display.min--;
}
}
}
}
// if(key_num==0)
// {
// if(KEY_ADD==0)
// {
// if(KEY_ADD==0)
// {
// while(!KEY_ADD);
// show_set_value++;
// if(show_set_value>=5)
// show_set_value=0;
//
// }
// }
//
// }
// if(show_set_value!=0)
// {
// TR0=1;
// if(sec_cnt>=15)
// {
// sec_cnt=0;
// TR0=0;
// show_set_value=0;
// }
// else
// {
//
// if(show_set_value==1)
// LED_DISPLAY(OPEN1.hour,OPEN1.min,4);
// if(show_set_value==2)
// LED_DISPLAY(CLOSE1.hour,CLOSE1.min,4);
// if(show_set_value==3)
// LED_DISPLAY(OPEN2.hour,OPEN2.min,4);
// if(show_set_value==4)
// LED_DISPLAY(CLOSE2.hour,CLOSE2.min,4);
// }
// }
}
void main(void)
{
unsigned char i;
TM1638_init(); //初始化TM1638
DS12C887_init();
init_serialcom();
Timer0Init();
LED=0;
for(i=0;i<8;i++)
TM1638_Write_DATA(i<<1,0x00); //初始化寄存器
//DS12C887_write_time(14,9,0);
while(1)
{
/*i=Read_key(); //读按键值
if(i<8)
{
num[i]++;
while(Read_key()==i); //等待按键释放
if(num[i]>15)
num[i]=0;
Write_DATA(i*2,tab[num[i]]);
Write_allLED(1<<i);*/
//Write_DATA(0,table[Display.hour/10]);
Key_Scan();
TM1638_Write_DATA(TM1638_Thous_Bit,table[Display.hour/10]);
TM1638_Write_DATA(TM1638_Hund_Bit,table[Display.hour%10]);
TM1638_Write_DATA(TM1638_Ten_Bit,table[Display.min/10]);
TM1638_Write_DATA(TM1638_Bit,table[Display.min%10]);
if(Set_flag==0) //不在设置模式
{
DS12C887_read_time();
if(Display.sec%2==0)
TM1638_Write_DATA(TM1638_Sec_Bit,0x01); //闪烁
else TM1638_Write_DATA(TM1638_Sec_Bit,0x00);
}
……………………
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TM1628 DS12C887时钟.rar (1006.43 KB, 下载次数: 160)

ID:690685 · 发表于 2021-8-14 17:49

很好的教程，谢谢分享

ID:232619 · 发表于 2021-9-3 01:38

很好，参考教程

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单片机+TM1628+DS12C887时钟源程序

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