大佬们，这个单片机代码怎么实现不了灯的渐变呢？

ID:521620 · 发表于 2019-4-25 18:33

#include<reg52.h>
#define uchar unsigned char
#define unit unsigned int
#define shudu 30
#define dengji 1
sbit B1=P1^0;
sbit G1=P1^1;
sbit R1=P1^2;
uchar Rout,Gout,Bout;
void delay(unit z)
{
      unit x,y;
      for(x=0;x<5;x++)
      for(y=0;y<z;y++);
}
void RGBpwm(uchar Rou,uchar Gou,uchar Bou)
{
      if(Rou!=0)
      {
            R1=0;
            delay(Rou);
            R1=1;
      }
      if(Bou!=0)
      {
            B1=0;
            delay(Bou);
            B1=1;
      }
      if(Gou!=0)
      {
            G1=0;
            delay(Gou);
            G1=1;
      }
}
void main()
{
      TMOD=0x01;
      EA=1;
      ET0=1;
      TR0=1;
      R1=1;
      G1=1;
      B1=1;
      TH0=(65536-256)/256;
      TL0=(65536-256)%256;
      while(1)
      {
            RGBpwm(Rout,Gout,Bout);
      }
}

void zhong() interrupt 1
{
      unit num;
      unit ji;
      TH0=(65536-256)/256;
      TL0=(65536-256)%256;
      num++;
      if(num==shudu)
      {
            num=0;
            ji++;
            if((ji>0)&&(ji<100))
            {
                     Rout=240;
                     Gout=0;
                     Bout=0;
            }
            if((ji>100)&&(ji<240))
            {
                     Rout-=dengji;
                     Gout=0;
                     Bout=0;
            }
            if((ji>340)&&(ji<580))
            {
                     Rout=0;
                     Gout+=dengji;
                     Bout=0;
            }
            if((ji>580)&&(ji<680))
            {
                     Rout=0;
                     Gout=240;
                     Bout=0;
            }
            if((ji>680)&&(ji<920))
            {
                     Rout=0;
                     Gout-=dengji;
                     Bout=0;
            }
            if((ji>920)&&(ji<1160))
            {
                     Rout=0;
                     Gout=0;
                     Bout+=dengji;
            }
            if((ji>1160)&&(ji<1260))
            {
                     Rout=0;
                     Gout=0;
                     Bout=240;
            }
            if((ji>1260)&&(ji<1500))
            {
                     Rout=0;
                     Gout=0;
                     Bout-=dengji;
            }
            if(ji>1500)
                     ji=0;
      }

}

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