单片机 步进电机 驱动程序 ULN2003 28BYJ-48 5线4相电机

/***************   writer:shopping.w   ******************/

#include

#define uint unsigned int

#define uchar unsigned char

uchar code FFW[] =

{

0x01, 0x03, 0x02, 0x06, 0x04, 0x0c, 0x08, 0x09

};

uchar code REV[] =

{

0x09, 0x08, 0x0c, 0x04, 0x06, 0x02, 0x03, 0x01

};

sbit K1 = P3 ^ 0;

sbit K2 = P3 ^ 1;

sbit K3 = P3 ^ 2;

void DelayMS( uint ms )

{

uchar i;

while ( ms-- )

{

for ( i = 0; i < 120; i++ )

;

}

}

void SETP_MOTOR_FFW( uchar n )

{

uchar i, j;

for ( i = 0; i < 5 * n; i++ )

{

for ( j = 0; j < 8; j++ )

{

if ( K3 == 0 )

break;

P1 = FFW[j];

DelayMS( 25 );

}

}

}

void SETP_MOTOR_REV( uchar n )

{

uchar i, j;

for ( i = 0; i < 5 * n; i++ )

{

for ( j = 0; j < 8; j++ )

{

if ( K3 == 0 )

break;

P1 = REV[j];

DelayMS( 25 );

}

}

}

void main()

{

uchar N = 3;

while ( 1 )

{

if ( K1 == 0 )

{

P0 = 0xfe;

SETP_MOTOR_FFW( N );

if ( K3 == 0 )

break;

}else if ( K2 == 0 )

{

P0 = 0xfd;

SETP_MOTOR_REV( N );

if ( K3 == 0 )

break;

}else  {

P0 = 0xfb;

P1 = 0x03;

}

}

}