hostside/safety.h

   1 /**/
   2
   3 #ifndef SAFETY_H
   4 #define SAFETY_H
   5
   6 typedef unsigned short TrainIx;
   7 typedef unsigned short SegmentIx;
   8 typedef unsigned char Speed; /* non-negative, units of 4mm/s */
   9
  10 typedef struct {
  11   SegmentIx foremost;
  12   unsigned justarrived:1, reverse:1;
  13   Speed speed;
  14 } TrainState;
  15
  16 typedef struct {
  17   unsigned present_now:1, present_future:1,
  18     detectable_now:1, detectable_future:1,
  19     sideways:1;
  20   TrainIx owner;
  21   /*polarity?*/
  22 } SegmentState;
  23
  24
  25 typedef struct {
  26   unsigned next_rev:1;
  27   SegmentIx next;
  28
  29 } SegmentLink;
  30
  31 typedef struct {
  32   SegmentIx backwards, forwards, sideways;
  33 } SegmentInfo;
  34
  35 typedef struct {
  36   Speed maxspeed;
  37
  38 } TrainInfo;
  39
  40
  41 typedef struct {
  42   TrainState traNUM_TRAINS];
  43   SegmentState seg[NUM_SEGMENTS];
  44 } State;
  45
  46 #endif /*SAFETY_H*/