gcc/ada/g-sercom.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --           G N A T . S E R I A L _ C O M M U N I C A T I O N S            --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --                     Copyright (C) 2007-2008, AdaCore                     --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  Default version of this package
  35
  36 with Ada.Streams; use Ada.Streams;
  37
  38 package body GNAT.Serial_Communications is
  39
  40    pragma Warnings (Off);
  41    --  Kill warnings on unreferenced formals
  42
  43    type Port_Data is new Integer;
  44
  45    -----------------------
  46    -- Local Subprograms --
  47    -----------------------
  48
  49    procedure Unimplemented;
  50    pragma No_Return (Unimplemented);
  51    --  This procedure raises a Program_Error with an appropriate message
  52    --  indicating that an unimplemented feature has been used.
  53
  54    ----------
  55    -- Name --
  56    ----------
  57
  58    function Name (Number : Positive) return Port_Name is
  59    begin
  60       Unimplemented;
  61       return "";
  62    end Name;
  63
  64    ----------
  65    -- Open --
  66    ----------
  67
  68    procedure Open
  69      (Port : out Serial_Port;
  70       Name : Port_Name) is
  71    begin
  72       Unimplemented;
  73    end Open;
  74
  75    ---------
  76    -- Set --
  77    ---------
  78
  79    procedure Set
  80      (Port      : Serial_Port;
  81       Rate      : Data_Rate        := B9600;
  82       Bits      : Data_Bits        := B8;
  83       Stop_Bits : Stop_Bits_Number := One;
  84       Parity    : Parity_Check     := None;
  85       Block     : Boolean          := True;
  86       Timeout   : Duration         := 10.0) is
  87    begin
  88       Unimplemented;
  89    end Set;
  90
  91    ----------
  92    -- Read --
  93    ----------
  94
  95    overriding procedure Read
  96      (Port   : in out Serial_Port;
  97       Buffer : out Stream_Element_Array;
  98       Last   : out Stream_Element_Offset) is
  99    begin
 100       Unimplemented;
 101    end Read;
 102
 103    -----------
 104    -- Write --
 105    -----------
 106
 107    overriding procedure Write
 108      (Port   : in out Serial_Port;
 109       Buffer : Stream_Element_Array) is
 110    begin
 111       Unimplemented;
 112    end Write;
 113
 114    -----------
 115    -- Close --
 116    -----------
 117
 118    procedure Close (Port : in out Serial_Port) is
 119    begin
 120       Unimplemented;
 121    end Close;
 122
 123    -------------------
 124    -- Unimplemented; --
 125    -------------------
 126
 127    procedure Unimplemented is
 128    begin
 129       raise Program_Error with "Serial_Communications not implemented";
 130    end Unimplemented;
 131
 132 end GNAT.Serial_Communications;