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 54 行

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

   Port.H (v1.00)

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

  'Port Header' (see Chap 10) for the project DAC_Spee (see Chap 34)


   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 P1

#endif

// ------ Playback.c -----------------------------------------------

#define SPEECH_Port P2
sbit SPEECH_CSLSB_pin = P0^0;
sbit SPEECH_CSMSB_pin = P0^1; 

// ------ Swit_Ply.C -----------------------------------------------

// Connect single push-button switch on this pin (to gnd)
// - debounced in software
sbit Sw_pin = P3^3;    // The switch pin

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