Delay for IAR EWAVR

#define f_Xtal 16000000

#define Delay_us( usecs ) __delay_cycles( ( f_Xtal / 1000000 ) * ( usecs ) )

void Delay_ms( unsigned char millisecs )

{

while( millisecs-- )

Delay_us( 1000 );

}

void Delay_s( unsigned char secs )

{

while( secs-- )

__delay_cycles( f_Xtal );

}

void Delay_mins( unsigned char minutes )

{

while( minutes-- )

__delay_cycles( 60 * f_Xtal );

}