主要功能 ：

通過LCD顯示電機(jī)轉(zhuǎn)速、顯示DS1302芯片的時(shí)間，通過控制電路按鍵切換實(shí)現(xiàn)顯示切換，控制電機(jī)加速、減速功能。

 

求真正的高手給出本程序流程執(zhí)行框圖。 不勝感激！！框圖可以發(fā)給我 gangbanfsk@foxmail.com

 

附帶兩張仿真圖：    

這是程序內(nèi)容

Main

#include <reg52.h>

#include "lcd1602.h"

#include "ds1302.h"

uchar phase; //電機(jī)4相的變換

uchar second ; //時(shí)間的計(jì)數(shù)

uchar change ; //設(shè)置電機(jī)轉(zhuǎn)速的中斷標(biāo)志

uchar state ; //中斷源的選擇狀態(tài)

uchar speed=40 ; //電機(jī)初始的速度

uchar speed_up,slow_down; //電機(jī)的加速與減速

uchar mot_spee1[]={" The Speed is "};

uchar mot_spee2[]={" 000 r/min "};

// uchar four_single[]={0x01,0x02,0x04,0x08}; //單4拍模式

uchar four_double[]={0x0c,0x06,0x03,0x09}; //雙4拍模式

void init_break()                                                          //中斷初始化函數(shù)

{

       TMOD=0x11;

       TH0=0x00;

       TL0=0x00;

       TH1=(65536-5000)/256;                                               //定時(shí)5ms

       TL1=(65536-5000)%256;

       ET0=1;

       ET1=1;

       IT0=1;

       EX0=1;

       IT1=1;

       EX1=1;

       EA=1;

       TR0=1;

       TR1=1;

}

void main()

{

       init_break();

       lcd_init();

       set_time();

       while(1)

       {

              read_time();

              display();

       }

}

void int0()interrupt 0

{

       state=P1;

}

void int1()interrupt 2

{    

uchar value  ;                                                               //電機(jī)的轉(zhuǎn)速

       value=60000000/(second*65536+TH0*256+TL0)+1;

       second=0;      

       TH0=0x00;

       TL0=0x00;

       mot_spee2[4]=value/100+'0';

       mot_spee2[5]=value%100/10+'0';

       mot_spee2[6]=value%100%10+'0';

}

void timer()interrupt 1

{    

       second++;

}

void timer1()interrupt 3

{

       TH1=(65536-5000)/256;                                               //定時(shí)5ms

       TL1=(65536-5000)%256;

       change++;

       if(change>=speed)

       {    

              change=0;

              P2=four_double[phase];                                  //電機(jī)以雙4拍的模式轉(zhuǎn)動

       //     P2=single_four[phase];                                   //電機(jī)以單4拍的模式轉(zhuǎn)動

              phase=++phase&0x03;

       }

}

Ds1302

      #include<reg52.h>

#include<intrins.h>

#include "ds1302.h"

extern uchar clk_xian1[];                                                       //存放時(shí)鐘的數(shù)據(jù)

extern uchar clk_xian2[];

uchar time[]       ={12,3,28,17,46,30};

uchar write_add[]  ={0x8c,0x88,0x86,0x84,0x82,0x80};  //年月日時(shí)分秒的地址（寫）

uchar read_add []  ={0x8d,0x89,0x87,0x85,0x83,0x81};  //年月日時(shí)分秒的地址（讀）

void write_byte(uchar dat)

{

       uchar i;

       for(i=0;i<8;i++)

       {

              clk=0;

              io=dat&0x01;                                                    

              dat=dat>>1;                                                            //從數(shù)據(jù)的低位開始寫

              clk=1;

       }

}

void write(uchar add,uchar date)

{

       rst=0;

       _nop_();

       clk=0;

       _nop_();

       rst=1;

       _nop_();

       write_byte(add);

       write_byte(date);

       rst=0;

       _nop_();

       clk=1;

       io=1;

}

uchar read(uchar addr)

{

       uchar i,temp;

       rst=0;

_nop_();

       clk=0;

       _nop_();

       rst=1;

       _nop_();

       write_byte(addr);

       for(i=0;i<8;i++)

       {

              clk=0;

              temp=temp>>1;

              if(io)

                     temp=temp|0x80;

              clk=1;    

       }

       rst=0;

       _nop_();

//     clk=0;

       _nop_();

//     clk=1;

       _nop_();

//     io=0;

       _nop_();

       io=1;

       return temp;

}

void set_time()

{    

        uchar i,j;

        for(i=0;i<6;i++)                                                            

        {

              j=time/10;                                                            //數(shù)據(jù)轉(zhuǎn)換成BCD碼