server/drivers/de200c-vfd/server/vfdserver.h

   1 #ifndef VFDSERVER_H
   2 #define VFDSERVER_H
   3 // ****************************************************************************
   4 //  vfdserver.h                     (C) 1992-2003 Christophe de Dinechin (ddd)
   5 //                                                            VFD800 project
   6 // ****************************************************************************
   7 //
   8 //   File Description:
   9 //
  10 //     Data structures used by the VFD server
  11 //
  12 //
  13 //
  14 //
  15 //
  16 //
  17 //
  18 //
  19 // ****************************************************************************
  20 // This document is confidential.
  21 // Do not redistribute without written permission
  22 // ****************************************************************************
  23 // * File       : $RCSFile$
  24 // * Revision   : $Revision$
  25 // * Date       : $Date$
  26 // ****************************************************************************
  27
  28 typedef unsigned char byte;
  29
  30 #define VFD_COLS        160
  31 #define VFD_LINES       4
  32 #define VFD_SIZE        (VFD_COLS * VFD_LINES)
  33 #define VFD_PLINES      (VFD_LINES * 8)
  34
  35
  36 typedef struct vfdclient *vfdclient_p;
  37 typedef struct vfdclient
  38 // ----------------------------------------------------------------------------
  39 //   Information about a client of this server
  40 // ----------------------------------------------------------------------------
  41 {
  42      vfdclient_p        next;
  43
  44      // Display contents
  45      byte               valid[VFD_SIZE];        // The committed bytes to display
  46      byte               display[VFD_SIZE];      // The bytes to display
  47      byte               shape[VFD_SIZE];        // The client requested shape
  48      byte               mask[VFD_SIZE];         // Compositing mask
  49      byte *             base;                   // Where we are writing
  50      volatile int       reader_index;           // Updated by display refresh
  51      volatile int       writer_index;           // Updated by content task
  52      char *             glyphs[256];            // Glyphs for that client
  53      int                priority;               // High priority in foreground
  54
  55      // Command processing
  56      int                socket;
  57      char               command[256];
  58      char *             head;
  59      char *             tail;
  60      char               name[32];
  61 } vfdclient_t;
  62
  63 #endif /* VFDSERVER_H */