t_lights.h

来自「Embedded C 这本书的范例光碟程式」· C头文件 代码 · 共 43 行

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

   T_Lights.H (v1.00)

  ------------------------------------------------------------------
   
   - See T_Lights.C for details.


   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 _T_LIGHTS_H
#define _T_LIGHTS_H

// ------ Public data type declarations ----------------------------

// Possible system states
typedef 
enum {RED, RED_AND_AMBER, GREEN, AMBER} eLight_State;

// ------ Public function prototypes -------------------------------

void TRAFFIC_LIGHTS_Init(const eLight_State);
void TRAFFIC_LIGHTS_Update(void);

#endif

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