#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
void delay(uint time);
uchar codetab[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
uchar code tab1[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00};
uchar i;
unchar a=200;
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void led1()
{
for(i=0;i<8;i++)
{
P0=tab[i];
delay(a);
}
P0=0xff;
}
void led2()
{
unchar i;
for(i=0;i<8;i++)
{
P2=tab1[i];
delay(a);
}
P2=0xff;
for(i=0;i<0;i++)
{
P3=tab[i];
delay(a);
}
P3=0xff;
}
for(i=0;i<0;i++)
{
P0=tab[i];
delay(a);
}
P0=0xff;
void main(){
while(1)
{
led2();
}
}
在代码的最后几行,有多余的大括号和for循环,造成了语法错误。可以改为下面的代码:
void led2()
{
uchar i;
for(i=0;i<8;i++)
{
P2=tab1[i];
delay(a);
}
P2=0xff;
for(i=0;i<8;i++)
{
P3=tab[i];
delay(a);
}
P3=0xff;
for(i=0;i<8;i++)
{
P0=tab[i];
delay(a);
}
P0=0xff;
}
void main(){
while(1)
{
led2();
}
}
【以下回答由 GPT 生成】
#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
void delay(uint time);
uchar codetab[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
uchar code tab1[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00};
uchar i;
uint a=200; // Changed `uchar` to `uint` to allow longer delay
void delay(uint z)
{
uint x,y;
for(x=z; x>0; x--)
for(y=110; y>0; y--);
}
void led1()
{
for(i=0; i<8; i++)
{
P0=codetab[i]; // Fixed the variable name from `tab` to `codetab`
delay(a);
}
P0=0xff;
}
void led2()
{
for(i=0; i<8; i++)
{
P2=tab1[i];
delay(a);
}
P2=0xff;
for(i=0; i<8; i++)
{
P3=codetab[i]; // Fixed the variable name from `tab` to `codetab`
delay(a);
}
P3=0xff;
for(i=0; i<8; i++)
{
P0=codetab[i]; // Fixed the variable name from `tab` to `codetab`
delay(a);
}
P0=0xff;
}
void main()
{
while(1)
{
led2();
}
}
上述代码中的错误已被修复,并且可以实现心形流水灯效果。代码中主要的错误是变量名错误以及延时函数的参数类型问题。另外,还需要确保对应的硬件引脚与代码中的控制引脚正确连接。
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