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標題: 請問這個程序有什么問題嗎?想做一個小鳥歸巢的花樣流水燈程序,但不知道哪里有問題... [打印本頁]

作者: chino555 時間: 2019-11-22 09:08
標題: 請問這個程序有什么問題嗎?想做一個小鳥歸巢的花樣流水燈程序,但不知道哪里有問題...
#include <REGX52.H>

#define uchar unsigned char;
#define uint unsigned int;

uchar step = 0, Timer = 0;
uint i = 0, j = 0;

void main()
{
TMOD = 0x01;
TH0 = -9;
ET0 = 1;
EA = 1;
TR0 = 1;
step = 0;
i = 0;
j = 0;
while(1)
{
P0 = 0x00;
while (step == 0)
{
if (Timer == 100)
{
P0 = 0x01 << i;
i = i + 1;
if (i == 8)
{
i = 0;
}
Timer = 0;
j++;
break;
}
}
while (step == 1)
{
if (Timer == 100)
{
P0 = 0x80 | (0x01 << i);
i = i + 1;
if (i == 6)
{
j = 7;
}
i = i & 7;
Timer = 0;
break;
}
}
while (step == 2)
{
if (Timer == 100)
{
P0 = 0xC0 | (0x01 << i);
i = i + 1;
if (i == 5)
{
j = 7;
}
Timer = 0;
break;
}
}
while (step == 3)
{
if (Timer == 100)
{
P0 = 0xE0 | (0x01 << i);
i = i + 1;
if (i == 4)
{
j = 7;
}

Timer = 0;
break;
}
}
while (step == 4)
{
if (Timer == 100)
{
P0 = 0xF0 | (0x01 << i);
i = i + 1;
if (i == 3)
{
j = 7;
}
Timer = 0;
break;
}
}
while (step == 5)
{
if (Timer == 100)
{
P0 = 0xF8 | (0x01 << i);
i = i + 1;
if (i == 2)
{
j = 7;
}
Timer = 0;
break;
}
}
while (step == 6)
{
if (Timer == 100)
{
P0 = 0xFC | (0x01 << i);
i = i + 1;
if (i == 1)
{
j = 7;
}
Timer = 0;
break;
}
}
while (step == 7)
{
if (Timer == 100)
{
P0 = 0xFE;
Timer = 0;
j = 7;
break;
}
}
while (step == 8)
{
if (Timer == 100)
{
P0 = 0xFF;
Timer = 0;
j = 7;
break;
}
}
while (step == 9)
{
if (Timer == 100)
   {
P0 = ~P0;
Timer = 0;
   }
j = 7;
   i = 0;
break;

}
}
if (j == 7)
{
step++;
j = 0;
if (step == 10)
{
step = 0;
}
}
}

void IntT0() interrupt 1
{
TH0 = -9;
Timer++;
}

想做一個小鳥歸巢的花樣流水燈程序,但不知道哪里有問題導致protues仿真效果不正確...

作者: xianfajushi 時間: 2019-11-22 11:09
電路圖是怎樣的？

作者: moluxiyan 時間: 2019-11-22 13:58
TH0 = -9; 為什么要等于-9

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