t_lights.h

schduler for AVR mcu

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

   T_Lights.H (v1.00)

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


   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.
 
   --- Modefied by  sylva zhu to apply for  AVR Microcontroller .
   --- Ver 1.0  Sept 25th , 2006 .

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

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

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

// ------ Public constants -----------------------------------------

#define MASTER 1
#define SLAVE 0

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

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

void TRAFFIC_LIGHTS_Display_Safe_Output(void);

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