gcc/ada/libgnat/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) 2007-2017, 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 3,  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.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 -- GNAT was originally developed  by the GNAT team at  New York University. --
  28 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  29 --                                                                          --
  30 ------------------------------------------------------------------------------
  31
  32 --  Default version of this package
  33
  34 with Ada.Streams; use Ada.Streams;
  35
  36 package body GNAT.Serial_Communications is
  37
  38    pragma Warnings (Off);
  39    --  Kill warnings on unreferenced formals
  40
  41    type Port_Data is new Integer;
  42
  43    -----------------------
  44    -- Local Subprograms --
  45    -----------------------
  46
  47    procedure Unimplemented;
  48    pragma No_Return (Unimplemented);
  49    --  This procedure raises a Program_Error with an appropriate message
  50    --  indicating that an unimplemented feature has been used.
  51
  52    ----------
  53    -- Name --
  54    ----------
  55
  56    function Name (Number : Positive) return Port_Name is
  57    begin
  58       Unimplemented;
  59       return "";
  60    end Name;
  61
  62    ----------
  63    -- Open --
  64    ----------
  65
  66    procedure Open
  67      (Port : out Serial_Port;
  68       Name : Port_Name)
  69    is
  70    begin
  71       Unimplemented;
  72    end Open;
  73
  74    ---------
  75    -- Set --
  76    ---------
  77
  78    procedure Set
  79      (Port      : Serial_Port;
  80       Rate      : Data_Rate        := B9600;
  81       Bits      : Data_Bits        := CS8;
  82       Stop_Bits : Stop_Bits_Number := One;
  83       Parity    : Parity_Check     := None;
  84       Block     : Boolean          := True;
  85       Local     : Boolean          := True;
  86       Flow      : Flow_Control     := None;
  87       Timeout   : Duration         := 10.0)
  88    is
  89    begin
  90       Unimplemented;
  91    end Set;
  92
  93    ----------
  94    -- Read --
  95    ----------
  96
  97    overriding procedure Read
  98      (Port   : in out Serial_Port;
  99       Buffer : out Stream_Element_Array;
 100       Last   : out Stream_Element_Offset)
 101    is
 102    begin
 103       Unimplemented;
 104    end Read;
 105
 106    -----------
 107    -- Write --
 108    -----------
 109
 110    overriding procedure Write
 111      (Port   : in out Serial_Port;
 112       Buffer : Stream_Element_Array)
 113    is
 114    begin
 115       Unimplemented;
 116    end Write;
 117
 118    -----------
 119    -- Close --
 120    -----------
 121
 122    procedure Close (Port : in out Serial_Port) is
 123    begin
 124       Unimplemented;
 125    end Close;
 126
 127    -------------------
 128    -- Unimplemented; --
 129    -------------------
 130
 131    procedure Unimplemented is
 132    begin
 133       raise Program_Error with "Serial_Communications not implemented";
 134    end Unimplemented;
 135
 136 end GNAT.Serial_Communications;