port.h

本程序使用P89V51单片机利用起PCA功能对脉冲宽度可调

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

   Port.H (v1.00)

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

  'Port Header' (see Chap 10) for the project 0_01_12g (see Chap 14)


   COPYRIGHT
   ---------

   This code is from the book:

   PATTERNS FOR TIME-TRIGGERED EMBEDDED SYSTEMS by Michael J. Pont 
   [Pearson Education, 2001; ISBN: 0-201-33138-1].

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

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

// ------ Sch51.C ----------------------------------------

// Comment this line out if error reporting is NOT required
#define SCH_REPORT_ERRORS

#ifdef SCH_REPORT_ERRORS
// The port on which error codes will be displayed
// ONLY USED IF ERRORS ARE REPORTED
#define Error_port P2

#endif

// ------ LED_Flas.C -----------------------------------------------

// Connect LED from +5V (etc) to this pin, via appropriate resistor
// [see Chapter 7 for details]

//165的时钟端，上升沿触发
sbit _165_clk=P2^0; 

//165的数据端     	
sbit _165_sda=P2^1;          

//165的锁存移位端，0锁存数据，1开始移位
sbit _165_sft=P2^2; 

sbit LED_pin  = P3^3;
//sbit DQ       = P1^7;
sbit Buzzer   = P2^6;	
sbit _138_a   = P1^0;
sbit _138_b   = P1^1;
sbit _138_c   = P1^2;
sbit _138_oe  = P1^3;

sbit Right = P1^6;
sbit Left  = P1^7;

sbit _164_sda = P1^4;
sbit _164_sck = P1^5;
sbit AlarmP   = P2^7;
//sbit _164_sta = P1^6;


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