port.h

来自「时间触发嵌入式系统设计模式:使用8051系列微控制器开发可靠应用」· C头文件 代码 · 共 52 行

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

   Port.H (v1.00)

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

  'Port Header' (see Chap 10) for the project 'ADC_m150' (see Chap 32)


   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.

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

// ------ ADC_M150.C ----------------------------------------
// Interface to the Max150 parallel ADC
sbit ADC_Max150_NOT_Read_pin  = P1^0;
sbit ADC_Max150_NOT_Write_pin = P1^1;
sbit ADC_Max150_NOT_Int_pin   = P1^2;

#define ADC_Max150_port P2

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

// Connect LED from +5V (etc) to these pins, via appropriate resistor
// [see Chapter 7 for details]
// The 8 port pins may be distributed over several ports if required
sbit Pin0 = P2^0;
sbit Pin1 = P2^1;
sbit Pin2 = P2^2;
sbit Pin3 = P2^3;
sbit Pin4 = P2^4;
sbit Pin5 = P2^5;
sbit Pin6 = P2^6;
sbit Pin7 = P2^7;

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