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標(biāo)題: 做的單片機(jī)調(diào)速呼吸燈效果,調(diào)的時(shí)候速度不會(huì)變化,斷電重新上電才能看到變化 [打印本頁(yè)]

作者: hanxingyijian 時(shí)間: 2023-12-18 19:13
標(biāo)題: 做的單片機(jī)調(diào)速呼吸燈效果,調(diào)的時(shí)候速度不會(huì)變化,斷電重新上電才能看到變化
調(diào)速時(shí)看不到快慢變化，重新上電才能看到。怎樣改才能實(shí)現(xiàn)實(shí)時(shí)變化？
#include <reg51.h>
#include "intrins.h"

#define uchar unsigned char
#define uint unsigned int

uint zkb,pwm,time;
//bit max=0;
uchar RunMode;
sfr    P1M1 = 0x91;
sfr    P1M0 = 0x92;
sfr    P3M1 = 0xb1;
sfr    P3M0 = 0xb2;
sfr    WDT_CONTR = 0xc1;

sfr IE2    = 0xaf;             //中斷使能寄存器2
sfr AUXR    = 0x8e;             //輔助寄存器
sfr T2H    = 0xD6;             //定時(shí)器2高8位
sfr T2L    = 0xD7;             //定時(shí)器2低8位

sfr    IAP_DATA = 0xC2;
sfr    IAP_ADDRH = 0xC3;
sfr    IAP_ADDRL = 0xC4;
sfr    IAP_CMD    = 0xC5;
sfr    IAP_TRIG = 0xC6;
sfr    IAP_CONTR = 0xC7;
sfr    IAP_TPS    = 0xF5;
unsigned char RunMode;

void  cc(uint addr);
void  xcx(uint addr,uchar dat);
uchar dcx(uint addr);
void  Q0();

/*┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
函數(shù)：擦除某一扇區(qū)（每個(gè)扇區(qū)512字節(jié)）
入口：addr = 某一扇區(qū)首地址
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈*/
void cc(uint addr)// 0x83(晶振<5M) 0x82(晶振<10M) 0x81(晶振<20M) 0x80(晶振<40M)
{
IAP_CONTR = 0x81;
IAP_TPS = 12;

IAP_CMD = 3;
IAP_ADDRL = addr;
IAP_ADDRH = addr>>8;
      EA =0;
IAP_TRIG = 0x5a;
IAP_TRIG = 0xa5;
_nop_();
Q0();
}
/*┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
函數(shù)：寫一字節(jié)
入口：addr = 扇區(qū)單元地址 , dat = 待寫入數(shù)據(jù)
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈*/
void xcx(uint addr,uchar dat)
{
IAP_CONTR = 0x81;
IAP_TPS = 12;
IAP_CMD = 2;
IAP_ADDRL = addr;
IAP_ADDRH = addr>>8;
IAP_DATA  = dat;
EA = 0;
IAP_TRIG = 0x5a;
IAP_TRIG = 0xa5;
_nop_();
Q0();       // 關(guān)閉ISP/IAP
}
/*┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
函數(shù)：讀一字節(jié)
入口：addr = 扇區(qū)單元地址
出口：dat  = 讀出的數(shù)據(jù)
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈*/
uchar dcx(uint addr)
{
uchar dat;
      IAP_CONTR = 0x81;
      IAP_TPS = 12;
IAP_CMD = 1;       // 用戶可以對(duì)"Data Flash/EEPROM區(qū)"進(jìn)行字節(jié)讀
IAP_ADDRL = addr;
IAP_ADDRH = addr>>8;
EA = 0;
IAP_TRIG = 0x5a;
IAP_TRIG = 0xa5;
_nop_();
dat = IAP_DATA;       // 取出數(shù)據(jù)
      Q0();       // 關(guān)閉ISP/IAP
      return dat;
}
/*┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
函數(shù)：關(guān)閉ISP/IAP操作
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈*/
void Q0()
{
IAP_CONTR = 0;          // 關(guān)閉IAP功能
IAP_CMD = 0;          // 待機(jī)模式，無ISP操作
IAP_TRIG  = 0;
      IAP_ADDRH=0x80;
      IAP_ADDRL=0;
      EA =1;          // 關(guān)閉IAP功能, 清與ISP有關(guān)的特殊功能寄存器
}

//**********************************System Fuction*************************************************
void Delay1ms( uint count)
{
         uint i,j;
      for(i=0;i<count;i++)
      for(j=0;j<120;j++);
}

uchar GetKey(void)
{
      uchar KeyTemp,CheckValue,Key = 0x00;
      CheckValue = P1&0x43;
      if(CheckValue==0x43)
            return 0x00;

      Delay1ms(10);
      KeyTemp = P1&0x43;
      if(KeyTemp==CheckValue)
            return 0x00;

      if(!(CheckValue&0x01))
            Key|=0x01;
      if(!(CheckValue&0x02))
            Key|=0x02;
      if(!(CheckValue&0x40))
            Key|=0x40;
      return Key;
}
uint TimerCount ,SystemSpeed,SystemSpeedIndex,outtime;

void InitialTimer0(void) //100us@11.0592MHZ
{

            AUXR &= 0x3F;                      //定時(shí)器時(shí)鐘12T模式
               TMOD = 0x00;

      TL0 = (65536-1000)%256;                               //設(shè)置定時(shí)初始值
   TH0 = (65536-1000)/256;                               //設(shè)置定時(shí)初始值
   TL1 = (65536-time)%256;                               //設(shè)置定時(shí)初始值
   TH1 = (65536-time)/256;

      TR0 = 1;
TR1=1;
      ET0=1;
      ET1=1;
      EA=1;
}

uint code SpeedCode[]={100,150,200,250,300,400,500,600,
                                       700,1000};
uint code pwmtime[]={10,15,20,25,30,35,40,45,50,55};

void pwmspeed(uchar speed1)
{
      time=pwmtime[speed1];
}

void SetSpeed( uchar Speed)
{
      SystemSpeed =SpeedCode[Speed];

}

void LEDShow( uint LEDStatus)
{
      P3 = (LEDStatus&0xFF);

}

void InitialCPU(void)
{
                     TimerCount = 0;
               RunMode = dcx(0x0000);

      SystemSpeedIndex =dcx(0x0200);

               //SystemSpeedIndex = 0;
               if(SystemSpeedIndex > 10)
            {
               SystemSpeedIndex =1;
            }

      P1 = 0xFF;
            P3 = 0xFF;
      Delay1ms(500);
      P1 = 0xFF;

      P3 = 0xFF;
      SetSpeed(SystemSpeedIndex);
            pwmspeed(SystemSpeedIndex);
}


unsigned int LEDIndex = 0;
bit LEDDirection = 1,LEDFlag = 1;

//Mode 0
void Mode_0(void)
{

      if(LEDDirection)
            LEDShow(~(0x0F<<LEDIndex));
      else
            LEDShow(~(0xF0>>LEDIndex));
      if(LEDIndex==7)
            LEDDirection = !LEDDirection;
         LEDIndex = (LEDIndex+4)%8;
}
void Mode_1(void)
{
      LEDShow(~(0x01<<LEDIndex));
      LEDIndex = (LEDIndex+1)%3;
}
void Mode_2(void)
{

      LEDShow(0xff<<LEDIndex);
      LEDIndex = (LEDIndex+1)%4;

}
void Mode_3(void)
{


            if(pwm>zkb)

      {
         LEDShow(LEDIndex=0xff);
}
            else
{
            LEDShow(LEDIndex=0x00);
}
}
void TimerEventRun(void)
{
   if(RunMode==0x00)
      {
            Mode_0();
      }
      else if(RunMode ==0x01)
      {
            Mode_1();
      }
            else if(RunMode ==0x02)
      {
            Mode_2();
      }


}

void Timer0(void) interrupt 1 using 1
{

            if(++TimerCount>=SystemSpeed)
      {

                        TimerCount = 0;
         TimerEventRun();
}
      }

void Timer1(void) interrupt 3 using 1
{
            static uchar max=0;
            pwm++;
      if(pwm>200)
      {
pwm=0;          //周期歸零
if(max==0){zkb++;}    //MAX占空比漸加漸減標(biāo)志位默認(rèn)max為0.每一周期占空比漸加
if(max==1){zkb--;}    //MAX占空比漸加漸減標(biāo)志位如果max為1.每一周期占空比漸減
if(zkb==200){max=1;}  //如果占空比的值為100    標(biāo)志位MAX置為1.漸減
if(zkb==0){max=0;}    //如果占空比的值為0       標(biāo)志位MAX置為0.漸加

}

if(RunMode ==0x03)
      {
            Mode_3();
      }
}

unsigned char MusicIndex = 0;
void KeyDispose(unsigned char Key)
{
      if(Key&0x01)
      {
            LEDDirection = 1;
            LEDIndex = 0;
            LEDFlag = 1;

            RunMode = (RunMode+1)%4;
                              /*if( RunMode == 4);
                              {
                              SetSpeed(SystemSpeedIndex);
}*/
                              cc(0x0000);
                                 xcx(0x0000, RunMode);
      }
      if(Key&0x02)
      {

            if(SystemSpeedIndex>0)
            {

                     --SystemSpeedIndex;
                                    pwmspeed(SystemSpeedIndex);
                                             SetSpeed(SystemSpeedIndex);
                     cc(0x0200);
                                 xcx(0x0200,SystemSpeedIndex);

            }

      }
      if(Key&0x40)
      {
            if(SystemSpeedIndex<9)
            {
                     ++SystemSpeedIndex;
                                       SetSpeed(SystemSpeedIndex);
                                             pwmspeed(SystemSpeedIndex);
                                    cc(0x0200);
                                 xcx(0x0200,SystemSpeedIndex);

            }

      }
}

//***********************************************************************************
main()
{
      unsigned char Key;
P1M0 = 0x00;
P1M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
      // WDT_CONTR = 0x27;

      InitialCPU();
      InitialTimer0();

      while(1)
      {
                              //WDT_CONTR = 0x37;
            Key = GetKey();
            if(Key!=0x00)
            {

                     KeyDispose(Key);
            }
      }
}

作者: lkc8210 時(shí)間: 2023-12-19 08:59

作者: hanxingyijian 時(shí)間: 2023-12-19 20:38

lkc8210 發(fā)表于 2023-12-19 08:59

非常感謝您的幫助！

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