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| #include<reg51.h>
#include<string.h>
#include<stdio.h>
#include<intrins.h>
#include<stdlib.h>
#define INT8U unsigned char
#define INT16U unsigned int
sbit FFW_KEY=P3^0;
sbit REV_KEY=P3^1;
sbit STOP_KEY=P3^2;
//0000\_0001 A->AB->B->BC->C->CD->D->AD
INT8U code FFW_ARR[]={0x01,0x03,0x02,0x06,0x04,0x0C,0x08,0x09};
//0000\_1001 AD->D->CD->C->BC->B->AB->A
INT8U code REV_ARR[]={0x09,0x08,0x0C,0x04,0x06,0x02,0x03,0x01};
/\*\*
\*延时
\*
\*@param x 延时时间
\*@return
\*/
void delay\_ms(INT16U x)
{
INT8U t=120;
while(x--)
while(t--);
}
/\*\*
\*顺时针旋转
\*
\*@param n 旋转圈数
\*@return
\*/
void STEP\_FFW(INT8U n)
{
INT8U i,j;
for(i=0; i<5\*n; i++)
{
for(j=0; j<8; j++) //8\*9=72
{
P1=FFW_ARR[j];
delay\_ms(60);
if(STOP_KEY==0)
return;
}
}
}
/\*\*
\*逆时间旋转
\*
\*@param n 旋转圈数
\*@return
\*/
void STEP\_REV(INT8U n)
{
INT8U i,j;
for(i=0; i<5\*n; i++)
{
for(j=0; j<8; j++)
{
P1=REV_ARR[j];
delay\_ms(60);
if(STOP_KEY==0)
return;
}
}
}
void main()
{
INT8U n = 1;
while(1)
{
if(FFW_KEY==0)
{
P0=0xFE; // 1111\_1110
STEP\_FFW(n);
}
else if(REV_KEY==0)
{
P0=0xFD; // 1111\_1101
STEP\_REV(n);
}
else
{
P0=0xFB; // 1111\_1011
}
}
}
|
