port.h

Embedded C 这本书的范例光碟程式

/*------------------------------------------------------------------*-

   Port.H (v1.00)

  ------------------------------------------------------------------

   'Port Header' (see Chap 5) for the project MILK (see Chap 7).


   COPYRIGHT
   ---------

   This code is associated with the book:

   EMBEDDED C by Michael J. Pont 
   [Pearson Education, 2002: ISBN: 0-201-79523-X].

   This code is copyright (c) 2001 by Michael J. Pont.
 
   See book for copyright details and other information.

-*------------------------------------------------------------------*/

#ifndef _PORT_H
#define _PORT_H

// ------ Pulse_Count.C -------------------------------------------------

// Connect pulse input to this pin - debounced in software
sbit  Sw_pin = P3^0;  

// Connect alarm to this pin (set if pulse is below threshold)
sbit Alarm_pin = P3^7;

// ------ Bargraph.C -----------------------------------------------

// Bargraph display on these pins
// The 8 port pins may be distributed over several ports if required
sbit Pin0 = P1^0;
sbit Pin1 = P1^1;
sbit Pin2 = P1^2;
sbit Pin3 = P1^3;
sbit Pin4 = P1^4;
sbit Pin5 = P1^5;
sbit Pin6 = P1^6;
sbit Pin7 = P1^7;

#endif 

/*------------------------------------------------------------------*-
  ---- END OF FILE -------------------------------------------------
-*------------------------------------------------------------------*/