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這是我上個(gè)月做的單片機(jī)電路圖及proteus仿真圖用了一星期的時(shí)間
附件里有proteus仿真電路圖和文件單片機(jī)源代碼
都是自己原創(chuàng)的,沒有錯(cuò)誤,還帶注釋,方便理解,方便使用
可以顯示分秒,運(yùn)用定時(shí)器設(shè)計(jì)的一款秒表仿真原理圖如下(proteus仿真工程文件可到本帖附件中下載)
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2018-5-3 02:54 上傳
單片機(jī)源程序如下:
- #include<reg52.h>
- #define u8 unsigned char
- #define u16 unsigned int
- /******端口定義******/
- #define DATA P0
- sbit seg_sel = P1^4;
- sbit bit_sel = P1^5;
- sbit start = P3^2;
- sbit store = P3^3;
- sbit diskey = P3^4;
- sbit reset = P3^5;
- /*********變量定義********/
- u16 tem_ms;
- u8 n_ten_ms,n_sec,n_min;
- u8 run_flag; //當(dāng)run_flag為1,代表開始計(jì)數(shù)
- u8 code seg_tab[]=
- {
- 0xc0,0xf9,0xa4,0xb0,
- 0x99,0x92,0x82,0xf8,
- 0x80,0x90,0x88,0x83,
- 0xc6,0xa1,0x86,0x8e
- };
- u8 code bit_tab[]=
- {
- 0x01,0x02,0x04,0x08,
- 0x10,0x20,0x40,0x80
- };
- u8 temp_buf[5][3];
- u8 arr_pt;
- void delay(u16 x)
- {
- u16 i,j;
- for(i=x;i>0;i--)
- for(j=110;j>0;j--);
- }
- void display_led(u8 which_bit,u8 which_number)
- {
- bit_sel = 1;
- DATA = bit_tab[which_bit];
- bit_sel = 0;
- seg_sel = 1;
- DATA = seg_tab[which_number];
- seg_sel = 0;
-
- }
- void display(u8 which_bit,which_number)
- {
- u8 x,y;
- x = which_number/10; // 分離十位
- y = which_number%10; //分離個(gè)位
- if(which_bit == 1)
- {
- display_led(7,y);
- delay(2);
- display_led(6,x);
- delay(2);
- }
- if(which_bit ==2)
- {
- display_led(4,y);
- delay(2);
- display_led(3,x);
- delay(2);
- }
- if(which_bit ==3)
- {
- display_led(1,y);
- delay(2);
- display_led(0,x);
- delay(2);
- }
- }
- void reflash(void)
- {
- display(1,n_ten_ms);
- delay(2);
- display(2,n_sec);
- delay(2);
- display(3,n_min);
- delay(2);
- }
- int main(void)
- {
- TMOD = 0x01; //設(shè)置定時(shí)/計(jì)數(shù)器T0
- TH0 = (65535-10000)/256;
- TL0 = (65535-10000)%256;
- EA = 1; //開放總中斷
- ET0 = 1; //開放定時(shí)器0的溢出中斷
- //TR0 = 1; //開始定時(shí)
- while(1)
- {
- if(start == 0)
- {
- delay(10);
- if(start ==0)
- {
- run_flag = ~run_flag;
- } while(!start);
- }
- if(reset == 0&&run_flag ==0)
- {
- delay(10);
- if(reset == 0)
- {
- n_ten_ms = 0;
- n_sec =0;
- n_min = 0;
- } while(!reset);
- }
- if(store == 0)
- {
- delay(10);
- if(store ==0)
- {
- if((arr_pt>=0)&&arr_pt<5)
- {
- temp_buf[arr_pt][0]= n_ten_ms;
- temp_buf[arr_pt][1]= n_sec;
- temp_buf[arr_pt][2]= n_min;
- arr_pt++;
- }
- } while(!store);
- }
- if(run_flag)
- {
- TR0 = 1;
- }
- else if(!run_flag)
- {
- TR0 = 0;
- if(diskey ==0)
- {
- delay(5);
- if(diskey == 0)
- {
- arr_pt --;
- n_ten_ms = temp_buf[arr_pt][0];
- n_sec = temp_buf[arr_pt][1];
- n_min = temp_buf[arr_pt][2];
- } while(!diskey);
- }
- }
- reflash();
- }
- }
- ……………………
- …………限于本文篇幅 余下代碼請(qǐng)從51黑下載附件…………
復(fù)制代碼
所有資料51hei提供下載:
mabiao_diy.zip
(84.49 KB, 下載次數(shù): 79)
2018-5-3 00:30 上傳
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