純新人小白求教大神-有解無憂

請問下面的代碼哪里有問題呀？
Protus仿真出來蜂鳴器就是只噠噠的聲音，沒有音調。仿真電路用CSDN上其他大神的代碼是可以發聲的
剛接觸單片機

求教！

#include <reg51.h>
#include <intrins.h>
sbit LED = P0^0;
sbit BUZZER = P2^2;

unsigned char timeH,timeL,time;

#define uchar unsigned char
#define uint unsigned int

/*
#define M1 0xF91E
#define M2 0xF9DE
#define M3 0xFA8A
#define M4 0xFAD8
#define M5 0xFB68
#define M6 0xFBE8
#define M7 0xFC5A
#define H1 0xFC8F
*/

code unsigned MUSICh[]=
{0xFC,0xFC,0xFB,0xFB,0xFA,0xFA,0xF9,0xF9};
code unsigned MUSICl[]=
{0x8F,0x5A,0xE8,0x68,0xD8,0x8A,0xDE,0x1E};
/*
code unsigned MUSIC[]=
{H1,M7,M6,M5,M4,M3,M2,M1};
*/

void Delay (unsigned char t)
{
do {
      TH0 = 0xDC;
  TL0 = 0X00;

  TR0 = 1;
  while (!TF0);
  TR0=0;
  TF0=0;
  } while (--t!=0);
}

void T0INTSVS() interrupt 1
{
TR0=0;

TH0=timeH;
TL0=timeL;
TR0=1;
BUZZER = !BUZZER;
}

void PlayMusic()
{
  TH0 = timeH;
  TL0 = timeL;
  TR0 = 1;
  BUZZER = 1;
  Delay(30);
  BUZZER = 0;
  Delay(70);

}

void main()
{

unsigned char  i;
TMOD &= 0xF0;
TMOD |= 0x01;
ET1 = 1;
EA = 1;
/*
for (;;)
{
P0=0x00;
BUZZER = 0;

Delay (30);
P0=0xff;
BUZZER = 1;
Delay (70);
}
*/

while(1)
{

for (;;)
{

P0 = 0xFF;

timeH = MUSICh[0];
timeL = MUSICl[0];
PlayMusic();

P0 = _crol_(P0,1);

timeH = MUSICh[1];
timeL = MUSICl[1];
PlayMusic();

P0 = _crol_(P0,1);

timeH = MUSICh[2];
timeL = MUSICl[2];
PlayMusic();

P0 = _crol_(P0,1);

timeH = MUSICh[3];
timeL = MUSICl[3];
PlayMusic();

P0 = _crol_(P0,1);

timeH = MUSICh[4];
timeL = MUSICl[4];
PlayMusic();

P0 = _crol_(P0,1);

timeH = MUSICh[5];
timeL = MUSICl[5];
PlayMusic();

P0 = _crol_(P0,1);

timeH = MUSICh[6];
timeL = MUSICl[6];
PlayMusic();

P0 = _crol_(P0,1);

timeH = MUSICh[7];
timeL = MUSICl[7];
PlayMusic();

P0 = _crol_(P0,1);
}
}

}

uj5u.com熱心網友回復：

最好是用實物 proteus仿真有的時候和真實作象區別很大畢竟是仿真的東西

uj5u.com熱心網友回復：

你這個軟體邏輯看得有點暈，T0，T1 中斷究竟使用的是哪個？自己清楚沒有

uj5u.com熱心網友回復：

參考 2 樓 hufuju_com的回復: