s-osprim.adb<s-osprim-posix.adb \
s-taspri.ads<s-taspri-posix.ads \
s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
+ g-sercom.adb<g-sercom-linux.adb \
system.ads<system-linux-x86.ads
ifeq ($(strip $(filter-out marte,$(THREAD_KIND))),)
i-cpoint.ads<i-cpoint-vms_64.ads \
i-cpoint.adb<i-cpoint-vms_64.adb \
i-cstrea.adb<i-cstrea-vms.adb \
- i-forbla.ads<i-forbla-unimplemented.ads \
s-inmaop.adb<s-inmaop-vms.adb \
s-interr.adb<s-interr-vms.adb \
s-intman.adb<s-intman-vms.adb \
g-socthi.adb<g-socthi-mingw.adb \
g-stsifd.adb<g-stsifd-sockets.adb \
g-soccon.ads<g-soccon-mingw.ads \
- g-soliop.ads<g-soliop-mingw.ads
+ g-soliop.ads<g-soliop-mingw.ads \
+ g-sercom.adb<g-sercom-mingw.adb
ifeq ($(strip $(filter-out rtx_w32 rtx_rtss,$(THREAD_KIND))),)
LIBGNAT_TARGET_PAIRS += \
s-tasinf.adb<s-tasinf-linux.adb \
s-taspri.ads<s-taspri-posix.ads \
s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
+ g-sercom.adb<g-sercom-linux.adb \
system.ads<system-linux-ppc.ads
TOOLS_TARGET_PAIRS = \
s-tasinf.adb<s-tasinf-linux.adb \
s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
s-taspri.ads<s-taspri-posix.ads \
+ g-sercom.adb<g-sercom-linux.adb \
system.ads<system-linux-ia64.ads
TOOLS_TARGET_PAIRS = \
s-tasinf.adb<s-tasinf-linux.adb \
s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
s-taspri.ads<s-taspri-posix.ads \
+ g-sercom.adb<g-sercom-linux.adb \
system.ads<system-linux-x86_64.ads
TOOLS_TARGET_PAIRS = \
g-rannum$(objext) \
g-regexp$(objext) \
g-regpat$(objext) \
+ g-sercom$(objext) \
g-sestin$(objext) \
g-sha1$(objext) \
g-soccon$(objext) \
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- G N A T . S E R I A L _ C O M M U N I C A T I O N S --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2007-2008, AdaCore --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is the GNU/Linux implementation of this package
+
+with Ada.Streams; use Ada.Streams;
+with Ada; use Ada;
+with Ada.Unchecked_Deallocation;
+
+with System.CRTL; use System, System.CRTL;
+
+with GNAT.OS_Lib; use GNAT.OS_Lib;
+
+package body GNAT.Serial_Communications is
+
+ type Port_Data is new int;
+
+ subtype unsigned is Interfaces.C.unsigned;
+ subtype char is Interfaces.C.char;
+ subtype unsigned_char is Interfaces.C.unsigned_char;
+
+ function fcntl (fd : int; cmd : int; value : int) return int;
+ pragma Import (C, fcntl, "fcntl");
+
+ O_RDWR : constant := 8#02#;
+ O_NOCTTY : constant := 8#0400#;
+ O_NDELAY : constant := 8#04000#;
+ FNDELAY : constant := O_NDELAY;
+ F_SETFL : constant := 4;
+ TCSANOW : constant := 0;
+ TCIFLUSH : constant := 0;
+ CLOCAL : constant := 8#04000#;
+ CREAD : constant := 8#0200#;
+ CSTOPB : constant := 8#0100#;
+ CRTSCTS : constant := 8#020000000000#;
+
+ -- c_cc indexes
+
+ VTIME : constant := 5;
+ VMIN : constant := 6;
+
+ C_Data_Rate : constant array (Data_Rate) of unsigned :=
+ (B1200 => 8#000011#,
+ B2400 => 8#000013#,
+ B4800 => 8#000014#,
+ B9600 => 8#000015#,
+ B19200 => 8#000016#,
+ B38400 => 8#000017#,
+ B57600 => 8#010001#);
+
+ C_Bits : constant array (Data_Bits) of unsigned :=
+ (B7 => 8#040#, B8 => 8#060#);
+
+ procedure Raise_Error (Message : String; Error : Integer := Errno);
+ pragma No_Return (Raise_Error);
+
+ ----------
+ -- Name --
+ ----------
+
+ function Name (Number : Positive) return Port_Name is
+ N : constant Natural := Number - 1;
+ N_Img : constant String := Natural'Image (N);
+ begin
+ return Port_Name ("/dev/ttyS" & N_Img (N_Img'First + 1 .. N_Img'Last));
+ end Name;
+
+ ----------
+ -- Open --
+ ----------
+
+ procedure Open
+ (Port : out Serial_Port;
+ Name : Port_Name)
+ is
+ C_Name : constant String := String (Name) & ASCII.NUL;
+ Res : int;
+
+ begin
+ if Port.H = null then
+ Port.H := new Port_Data;
+ end if;
+
+ Port.H.all := Port_Data (open
+ (C_Name (C_Name'First)'Address, int (O_RDWR + O_NOCTTY + O_NDELAY)));
+
+ if Port.H.all = -1 then
+ Raise_Error ("open: open failed");
+ end if;
+
+ -- By default we are in blocking mode
+
+ Res := fcntl (int (Port.H.all), F_SETFL, 0);
+
+ if Res = -1 then
+ Raise_Error ("open: fcntl failed");
+ end if;
+ end Open;
+
+ -----------------
+ -- Raise_Error --
+ -----------------
+
+ procedure Raise_Error (Message : String; Error : Integer := Errno) is
+ begin
+ raise Serial_Error with Message & " (" & Integer'Image (Error) & ')';
+ end Raise_Error;
+
+ ----------
+ -- Read --
+ ----------
+
+ overriding procedure Read
+ (Port : in out Serial_Port;
+ Buffer : out Stream_Element_Array;
+ Last : out Stream_Element_Offset)
+ is
+ Len : constant int := Buffer'Length;
+ Res : int;
+
+ begin
+ if Port.H = null then
+ Raise_Error ("read: port not opened", 0);
+ end if;
+
+ Res := read (Integer (Port.H.all), Buffer'Address, Len);
+
+ if Res = -1 then
+ Last := 0;
+ Raise_Error ("read failed");
+ else
+ Last := Buffer'First + Stream_Element_Offset (Res) - 1;
+ end if;
+ end Read;
+
+ ---------
+ -- Set --
+ ---------
+
+ procedure Set
+ (Port : Serial_Port;
+ Rate : Data_Rate := B9600;
+ Bits : Data_Bits := B8;
+ Block : Boolean := True;
+ Timeout : Integer := 10)
+ is
+ use type unsigned;
+
+ type termios is record
+ c_iflag : unsigned;
+ c_oflag : unsigned;
+ c_cflag : unsigned;
+ c_lflag : unsigned;
+ c_line : unsigned_char;
+ c_cc : Interfaces.C.char_array (0 .. 31);
+ c_ispeed : unsigned;
+ c_ospeed : unsigned;
+ end record;
+ pragma Convention (C, termios);
+
+ function tcgetattr (fd : int; termios_p : Address) return int;
+ pragma Import (C, tcgetattr, "tcgetattr");
+
+ function tcsetattr
+ (fd : int; action : int; termios_p : Address) return int;
+ pragma Import (C, tcsetattr, "tcsetattr");
+
+ function tcflush (fd : int; queue_selector : int) return int;
+ pragma Import (C, tcflush, "tcflush");
+
+ Current : termios;
+ Res : int;
+
+ begin
+ if Port.H = null then
+ Raise_Error ("set: port not opened", 0);
+ end if;
+
+ -- Get current port settings
+
+ Res := tcgetattr (int (Port.H.all), Current'Address);
+
+ -- Change settings now
+
+ Current.c_cflag := C_Data_Rate (Rate)
+ or C_Bits (Bits)
+ or CLOCAL
+ or CREAD
+ or CSTOPB
+ or CRTSCTS;
+ Current.c_lflag := 0;
+ Current.c_iflag := 0;
+ Current.c_oflag := 0;
+ Current.c_ispeed := Data_Rate_Value (Rate);
+ Current.c_ospeed := Data_Rate_Value (Rate);
+ Current.c_cc (VMIN) := char'Val (0);
+ Current.c_cc (VTIME) := char'Val (Timeout);
+
+ -- Set port settings
+
+ Res := tcflush (int (Port.H.all), TCIFLUSH);
+ Res := tcsetattr (int (Port.H.all), TCSANOW, Current'Address);
+
+ -- Block
+
+ if Block then
+ Res := fcntl (int (Port.H.all), F_SETFL, 0);
+ else
+ Res := fcntl (int (Port.H.all), F_SETFL, FNDELAY);
+ end if;
+
+ if Res = -1 then
+ Raise_Error ("set: fcntl failed");
+ end if;
+ end Set;
+
+ -----------
+ -- Write --
+ -----------
+
+ overriding procedure Write
+ (Port : in out Serial_Port;
+ Buffer : Stream_Element_Array)
+ is
+ Len : constant int := Buffer'Length;
+ Res : int;
+
+ begin
+ if Port.H = null then
+ Raise_Error ("write: port not opened", 0);
+ end if;
+
+ Res := write (int (Port.H.all), Buffer'Address, Len);
+ pragma Assert (Res = Len);
+
+ if Res = -1 then
+ Raise_Error ("write failed");
+ end if;
+ end Write;
+
+ -----------
+ -- Close --
+ -----------
+
+ procedure Close (Port : in out Serial_Port) is
+ procedure Unchecked_Free is
+ new Unchecked_Deallocation (Port_Data, Port_Data_Access);
+
+ Res : int;
+ pragma Unreferenced (Res);
+
+ begin
+ if Port.H /= null then
+ Res := close (int (Port.H.all));
+ Unchecked_Free (Port.H);
+ end if;
+ end Close;
+
+end GNAT.Serial_Communications;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- G N A T . S E R I A L _ C O M M U N I C A T I O N S --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2007-2008, AdaCore --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is the Windows implementation of this package
+
+with Ada.Unchecked_Deallocation; use Ada;
+with Ada.Streams; use Ada.Streams;
+with System; use System;
+
+package body GNAT.Serial_Communications is
+
+ -- Common types
+
+ type HANDLE is new Interfaces.C.long;
+ type DWORD is new Interfaces.C.unsigned_long;
+ type WORD is new Interfaces.C.unsigned_short;
+ subtype PVOID is System.Address;
+ type BOOL is new Boolean;
+ for BOOL'Size use Interfaces.C.unsigned_long'Size;
+ type BYTE is new Interfaces.C.unsigned_char;
+ subtype CHAR is Interfaces.C.char;
+
+ type Port_Data is new HANDLE;
+
+ type Bits1 is range 0 .. 2 ** 1 - 1;
+ type Bits2 is range 0 .. 2 ** 2 - 1;
+ type Bits17 is range 0 .. 2 ** 17 - 1;
+ for Bits1'Size use 1;
+ for Bits2'Size use 2;
+ for Bits17'Size use 17;
+
+ -----------
+ -- Files --
+ -----------
+
+ function GetLastError return DWORD;
+ pragma Import (Stdcall, GetLastError, "GetLastError");
+
+ GENERIC_READ : constant := 16#80000000#;
+ GENERIC_WRITE : constant := 16#40000000#;
+ OPEN_EXISTING : constant := 3;
+
+ type OVERLAPPED is record
+ Internal : DWORD;
+ InternalHigh : DWORD;
+ Offset : DWORD;
+ OffsetHigh : DWORD;
+ hEvent : HANDLE;
+ end record;
+
+ type SECURITY_ATTRIBUTES is record
+ nLength : DWORD;
+ pSecurityDescriptor : PVOID;
+ bInheritHandle : BOOL;
+ end record;
+
+ function CreateFile
+ (lpFileName : Address;
+ dwDesiredAccess : DWORD;
+ dwShareMode : DWORD;
+ lpSecurityAttributes : access SECURITY_ATTRIBUTES;
+ dwCreationDisposition : DWORD;
+ dwFlagsAndAttributes : DWORD;
+ hTemplateFile : HANDLE) return HANDLE;
+ pragma Import (Stdcall, CreateFile, "CreateFileA");
+
+ function WriteFile
+ (hFile : HANDLE;
+ lpBuffer : Address;
+ nNumberOfBytesToWrite : DWORD;
+ lpNumberOfBytesWritten : access DWORD;
+ lpOverlapped : access OVERLAPPED) return BOOL;
+ pragma Import (Stdcall, WriteFile, "WriteFile");
+
+ function ReadFile
+ (hFile : HANDLE;
+ lpBuffer : Address;
+ nNumberOfBytesToRead : DWORD;
+ lpNumberOfBytesRead : access DWORD;
+ lpOverlapped : access OVERLAPPED) return BOOL;
+ pragma Import (Stdcall, ReadFile, "ReadFile");
+
+ function CloseHandle (hObject : HANDLE) return BOOL;
+ pragma Import (Stdcall, CloseHandle, "CloseHandle");
+
+ DTR_CONTROL_DISABLE : constant := 16#0#;
+ RTS_CONTROL_DISABLE : constant := 16#0#;
+ ODDPARITY : constant := 1;
+ ONESTOPBIT : constant := 0;
+
+ type DCB is record
+ DCBLENGTH : DWORD;
+ BaudRate : DWORD;
+ fBinary : Bits1;
+ fParity : Bits1;
+ fOutxCtsFlow : Bits1;
+ fOutxDsrFlow : Bits1;
+ fDtrControl : Bits2;
+ fDsrSensitivity : Bits1;
+ fTXContinueOnXoff : Bits1;
+ fOutX : Bits1;
+ fInX : Bits1;
+ fErrorChar : Bits1;
+ fNull : Bits1;
+ fRtsControl : Bits2;
+ fAbortOnError : Bits1;
+ fDummy2 : Bits17;
+ wReserved : WORD;
+ XonLim : WORD;
+ XoffLim : WORD;
+ ByteSize : BYTE;
+ Parity : BYTE;
+ StopBits : BYTE;
+ XonChar : CHAR;
+ XoffChar : CHAR;
+ ErrorChar : CHAR;
+ EofChar : CHAR;
+ EvtChar : CHAR;
+ wReserved1 : WORD;
+ end record;
+ pragma Convention (C, DCB);
+
+ for DCB use record
+ DCBLENGTH at 0 range 0 .. 31;
+ BaudRate at 4 range 0 .. 31;
+ fBinary at 8 range 0 .. 0;
+ fParity at 8 range 1 .. 1;
+ fOutxCtsFlow at 8 range 2 .. 2;
+ fOutxDsrFlow at 8 range 3 .. 3;
+ fDtrControl at 8 range 4 .. 5;
+ fDsrSensitivity at 8 range 6 .. 6;
+ fTXContinueOnXoff at 8 range 7 .. 7;
+ fOutX at 9 range 0 .. 0;
+ fInX at 9 range 1 .. 1;
+ fErrorChar at 9 range 2 .. 2;
+ fNull at 9 range 3 .. 3;
+ fRtsControl at 9 range 4 .. 5;
+ fAbortOnError at 9 range 6 .. 6;
+ fDummy2 at 9 range 7 .. 23;
+ wReserved at 12 range 0 .. 15;
+ XonLim at 14 range 0 .. 15;
+ XoffLim at 16 range 0 .. 15;
+ ByteSize at 18 range 0 .. 7;
+ Parity at 19 range 0 .. 7;
+ StopBits at 20 range 0 .. 7;
+ XonChar at 21 range 0 .. 7;
+ XoffChar at 22 range 0 .. 7;
+ ErrorChar at 23 range 0 .. 7;
+ EofChar at 24 range 0 .. 7;
+ EvtChar at 25 range 0 .. 7;
+ wReserved1 at 26 range 0 .. 15;
+ end record;
+
+ type COMMTIMEOUTS is record
+ ReadIntervalTimeout : DWORD;
+ ReadTotalTimeoutMultiplier : DWORD;
+ ReadTotalTimeoutConstant : DWORD;
+ WriteTotalTimeoutMultiplier : DWORD;
+ WriteTotalTimeoutConstant : DWORD;
+ end record;
+ pragma Convention (C, COMMTIMEOUTS);
+
+ function GetCommState
+ (hFile : HANDLE;
+ lpDCB : access DCB) return BOOL;
+ pragma Import (Stdcall, GetCommState, "GetCommState");
+
+ function SetCommState
+ (hFile : HANDLE;
+ lpDCB : access DCB) return BOOL;
+ pragma Import (Stdcall, SetCommState, "SetCommState");
+
+ function SetCommTimeouts
+ (hFile : HANDLE;
+ lpCommTimeouts : access COMMTIMEOUTS) return BOOL;
+ pragma Import (Stdcall, SetCommTimeouts, "SetCommTimeouts");
+
+ procedure Raise_Error (Message : String; Error : DWORD := GetLastError);
+ pragma No_Return (Raise_Error);
+
+ -----------
+ -- Close --
+ -----------
+
+ procedure Close (Port : in out Serial_Port) is
+ procedure Unchecked_Free is
+ new Unchecked_Deallocation (Port_Data, Port_Data_Access);
+
+ Success : BOOL;
+
+ begin
+ if Port.H /= null then
+ Success := CloseHandle (HANDLE (Port.H.all));
+ Unchecked_Free (Port.H);
+ if not Success then
+ Raise_Error ("error closing the port");
+ end if;
+ end if;
+ end Close;
+
+ ----------
+ -- Name --
+ ----------
+
+ function Name (Number : Positive) return Port_Name is
+ N_Img : constant String := Positive'Image (Number);
+ begin
+ return Port_Name ("COM" & N_Img (N_Img'First + 1 .. N_Img'Last) & ':');
+ end Name;
+
+ ----------
+ -- Open --
+ ----------
+
+ procedure Open
+ (Port : out Serial_Port;
+ Name : Port_Name)
+ is
+ C_Name : constant String := String (Name) & ASCII.NUL;
+ Success : BOOL;
+ pragma Unreferenced (Success);
+
+ begin
+ if Port.H = null then
+ Port.H := new Port_Data;
+ else
+ Success := CloseHandle (HANDLE (Port.H.all));
+ end if;
+
+ Port.H.all := Port_Data (CreateFile
+ (lpFileName => C_Name (C_Name'First)'Address,
+ dwDesiredAccess => GENERIC_READ or GENERIC_WRITE,
+ dwShareMode => 0,
+ lpSecurityAttributes => null,
+ DwCreationDisposition => OPEN_EXISTING,
+ dwFlagsAndAttributes => 0,
+ HTemplateFile => 0));
+
+ if Port.H.all = 0 then
+ Raise_Error ("cannot open com port");
+ end if;
+ end Open;
+
+ -----------------
+ -- Raise_Error --
+ -----------------
+
+ procedure Raise_Error (Message : String; Error : DWORD := GetLastError) is
+ begin
+ raise Serial_Error with Message & " (" & DWORD'Image (Error) & ')';
+ end Raise_Error;
+
+ ----------
+ -- Read --
+ ----------
+
+ overriding procedure Read
+ (Port : in out Serial_Port;
+ Buffer : out Stream_Element_Array;
+ Last : out Stream_Element_Offset)
+ is
+ Success : BOOL;
+ Read_Last : aliased DWORD;
+
+ begin
+ if Port.H = null then
+ Raise_Error ("read: port not opened", 0);
+ end if;
+
+ Success := ReadFile
+ (hFile => HANDLE (Port.H.all),
+ lpBuffer => Buffer (Buffer'First)'Address,
+ nNumberOfBytesToRead => DWORD (Buffer'Length),
+ lpNumberOfBytesRead => Read_Last'Access,
+ lpOverlapped => null);
+
+ if not Success then
+ Raise_Error ("read error");
+ end if;
+
+ Last := Buffer'First - 1 + Stream_Element_Offset (Read_Last);
+ end Read;
+
+ ---------
+ -- Set --
+ ---------
+
+ procedure Set
+ (Port : Serial_Port;
+ Rate : Data_Rate := B9600;
+ Bits : Data_Bits := B8;
+ Block : Boolean := True;
+ Timeout : Integer := 10)
+ is
+ Success : BOOL;
+ Com_Time_Out : aliased COMMTIMEOUTS;
+ Com_Settings : aliased DCB;
+
+ begin
+ if Port.H = null then
+ Raise_Error ("set: port not opened", 0);
+ end if;
+
+ Success := GetCommState (HANDLE (Port.H.all), Com_Settings'Access);
+
+ if not Success then
+ Success := CloseHandle (HANDLE (Port.H.all));
+ Port.H.all := 0;
+ Raise_Error ("set: cannot get comm state");
+ end if;
+
+ Com_Settings.BaudRate := DWORD (Data_Rate_Value (Rate));
+ Com_Settings.fParity := 1;
+ Com_Settings.fOutxCtsFlow := 0;
+ Com_Settings.fOutxDsrFlow := 0;
+ Com_Settings.fDsrSensitivity := 0;
+ Com_Settings.fDtrControl := DTR_CONTROL_DISABLE;
+ Com_Settings.fOutX := 0;
+ Com_Settings.fInX := 0;
+ Com_Settings.fRtsControl := RTS_CONTROL_DISABLE;
+ Com_Settings.fAbortOnError := 0;
+ Com_Settings.ByteSize := BYTE (Bit_Value (Bits));
+ Com_Settings.Parity := ODDPARITY;
+ Com_Settings.StopBits := ONESTOPBIT;
+
+ Success := SetCommState (HANDLE (Port.H.all), Com_Settings'Access);
+
+ if not Success then
+ Success := CloseHandle (HANDLE (Port.H.all));
+ Port.H.all := 0;
+ Raise_Error ("cannot set comm state");
+ end if;
+
+ -- Set the timeout status
+
+ if Block then
+ Com_Time_Out := (others => 0);
+ else
+ Com_Time_Out :=
+ (ReadTotalTimeoutConstant => DWORD (1000 * Timeout),
+ others => 0);
+ end if;
+
+ Success := SetCommTimeouts
+ (hFile => HANDLE (Port.H.all),
+ lpCommTimeouts => Com_Time_Out'Access);
+
+ if not Success then
+ Raise_Error ("cannot set the timeout");
+ end if;
+ end Set;
+
+ -----------
+ -- Write --
+ -----------
+
+ overriding procedure Write
+ (Port : in out Serial_Port;
+ Buffer : Stream_Element_Array)
+ is
+ Success : BOOL;
+ Temp_Last : aliased DWORD;
+
+ begin
+ if Port.H = null then
+ Raise_Error ("write: port not opened", 0);
+ end if;
+
+ Success := WriteFile
+ (hFile => HANDLE (Port.H.all),
+ lpBuffer => Buffer'Address,
+ nNumberOfBytesToWrite => DWORD (Buffer'Length),
+ lpNumberOfBytesWritten => Temp_Last'Access,
+ lpOverlapped => null);
+
+ if not Boolean (Success)
+ or else Stream_Element_Offset (Temp_Last) /= Buffer'Length
+ then
+ Raise_Error ("failed to write data");
+ end if;
+ end Write;
+
+end GNAT.Serial_Communications;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- G N A T . S E R I A L _ C O M M U N I C A T I O N S --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2007, AdaCore --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- Default version of this package
+
+with Ada.Streams; use Ada.Streams;
+
+package body GNAT.Serial_Communications is
+
+ pragma Warnings (Off);
+ -- Kill warnings on unreferenced formals
+
+ type Port_Data is new Integer;
+
+ -----------------------
+ -- Local Subprograms --
+ -----------------------
+
+ procedure Unimplemented;
+ pragma No_Return (Unimplemented);
+ -- This procedure raises a Program_Error with an appropriate message
+ -- indicating that an unimplemented feature has been used.
+
+ ----------
+ -- Name --
+ ----------
+
+ function Name (Number : Positive) return Port_Name is
+ begin
+ Unimplemented;
+ return "";
+ end Name;
+
+ ----------
+ -- Open --
+ ----------
+
+ procedure Open
+ (Port : out Serial_Port;
+ Name : Port_Name) is
+ begin
+ Unimplemented;
+ end Open;
+
+ ---------
+ -- Set --
+ ---------
+
+ procedure Set
+ (Port : Serial_Port;
+ Rate : Data_Rate := B9600;
+ Bits : Data_Bits := B8;
+ Block : Boolean := True;
+ Timeout : Integer := 10) is
+ begin
+ Unimplemented;
+ end Set;
+
+ ----------
+ -- Read --
+ ----------
+
+ overriding procedure Read
+ (Port : in out Serial_Port;
+ Buffer : out Stream_Element_Array;
+ Last : out Stream_Element_Offset) is
+ begin
+ Unimplemented;
+ end Read;
+
+ -----------
+ -- Write --
+ -----------
+
+ overriding procedure Write
+ (Port : in out Serial_Port;
+ Buffer : Stream_Element_Array) is
+ begin
+ Unimplemented;
+ end Write;
+
+ -----------
+ -- Close --
+ -----------
+
+ procedure Close (Port : in out Serial_Port) is
+ begin
+ Unimplemented;
+ end Close;
+
+ -------------------
+ -- Unimplemented; --
+ -------------------
+
+ procedure Unimplemented is
+ begin
+ raise Program_Error
+ with "Serial_Communications not implemented";
+ end Unimplemented;
+
+end GNAT.Serial_Communications;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- G N A T . S E R I A L _ C O M M U N I C A T I O N S --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 2007, AdaCore --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- Serial communications package, implemented on Windows and GNU/Linux
+
+with Ada.Streams;
+with Interfaces.C;
+
+package GNAT.Serial_Communications is
+
+ Serial_Error : exception;
+ -- Raised when a communication problem occurs
+
+ type Port_Name is new String;
+ -- A serial com port name
+
+ function Name (Number : Positive) return Port_Name;
+ -- Returns the port name for the given port number
+
+ type Data_Rate is (B1200, B2400, B4800, B9600, B19200, B38400, B57600);
+ -- Speed of the communication
+
+ type Data_Bits is (B8, B7);
+ -- Communication bits
+
+ type Serial_Port is new Ada.Streams.Root_Stream_Type with private;
+
+ procedure Open
+ (Port : out Serial_Port;
+ Name : Port_Name);
+ -- Open the given port name. Raises Serial_Error if the port cannot be
+ -- opened.
+
+ procedure Set
+ (Port : Serial_Port;
+ Rate : Data_Rate := B9600;
+ Bits : Data_Bits := B8;
+ Block : Boolean := True;
+ Timeout : Integer := 10);
+ -- The communication port settings. If Block is set then a read call
+ -- will wait for the whole buffer to be filed. If Block is not set then
+ -- the given Timeout (in seconds) is used.
+
+ overriding procedure Read
+ (Port : in out Serial_Port;
+ Buffer : out Ada.Streams.Stream_Element_Array;
+ Last : out Ada.Streams.Stream_Element_Offset);
+ -- Read a set of bytes, put result into Buffer and set Last accordingly.
+ -- Last is set to 0 if no byte has been read.
+
+ overriding procedure Write
+ (Port : in out Serial_Port;
+ Buffer : Ada.Streams.Stream_Element_Array);
+ -- Write buffer into the port
+
+ procedure Close (Port : in out Serial_Port);
+ -- Close port
+
+private
+
+ type Port_Data;
+ type Port_Data_Access is access Port_Data;
+
+ type Serial_Port is new Ada.Streams.Root_Stream_Type with record
+ H : Port_Data_Access;
+ end record;
+
+ Data_Rate_Value : constant array (Data_Rate) of Interfaces.C.unsigned :=
+ (B1200 => 1_200,
+ B2400 => 2_400,
+ B4800 => 4_800,
+ B9600 => 9_600,
+ B19200 => 19_200,
+ B38400 => 38_400,
+ B57600 => 57_600);
+
+ Bit_Value : constant array (Data_Bits) of Interfaces.C.unsigned := (8, 7);
+
+end GNAT.Serial_Communications;
-- Ada 95 Units --
------------------
- -- The following is a giant string list containing the names of all
- -- non-implementation internal files, i.e. the complete list of files for
+ -- The following is a giant string list containing the names of all non-
+ -- implementation internal files, i.e. the complete list of files for
-- internal units which a program may legitimately WITH when operating in
-- either Ada 95 or Ada 05 mode.
-- Note that this list should match the list of units documented in the
- -- "GNAT Library" section of the GNAT Reference Manual.
+ -- "GNAT Library" section of the GNAT Reference Manual. A unit listed here
+ -- must either be documented in that section or described in the Ada RM.
Non_Imp_File_Names_95 : constant File_List := (
"a-ssicst", -- Ada.Streams.Stream_IO.C_Streams
"a-suteio", -- Ada.Strings.Unbounded.Text_IO
"a-swuwti", -- Ada.Strings.Wide_Unbounded.Wide_Text_IO
- "a-taidim", -- Ada.Task_Identification.Image
"a-tiocst", -- Ada.Text_IO.C_Streams
"a-wtcstr", -- Ada.Wide_Text_IO.C_Streams
-- GNAT Special IO Units --
---------------------------
- -- As further explained elsewhere (see Sem_Ch10), the internal
- -- packages of Text_IO and Wide_Text_IO are actually implemented
- -- as separate children, but this fact is intended to be hidden
- -- from the user completely. Any attempt to WITH one of these
- -- units will be diagnosed as an error later on, but for now we
- -- do not consider these internal implementation units (if we did,
- -- then we would get a junk warning which would be confusing and
- -- unecessary, given that we generate a clear error message).
+ -- As further explained elsewhere (see Sem_Ch10), the internal packages of
+ -- Text_IO and Wide_Text_IO are actually implemented as separate children,
+ -- but this fact is intended to be hidden from the user completely. Any
+ -- attempt to WITH one of these units will be diagnosed as an error later
+ -- on, but for now we do not consider these internal implementation units
+ -- (if we did, then we would get a junk warning which would be confusing
+ -- and unecessary, given that we generate a clear error message).
"a-tideio", -- Ada.Text_IO.Decimal_IO
"a-tienio", -- Ada.Text_IO.Enumeration_IO
"g-regist", -- GNAT.Registry
"g-regpat", -- GNAT.Regpat
"g-semaph", -- GNAT.Semaphores
+ "g-sercom", -- GNAT.Serial_Communications
"g-sestin", -- GNAT.Secondary_Stack_Info
"g-sha1 ", -- GNAT.SHA1
"g-signal", -- GNAT.Signals
"g-u3spch", -- GNAT.UTF_32_Spelling_Checker
"g-wispch", -- GNAT.Wide_Spelling_Checker
"g-wistsp", -- GNAT.Wide_String_Split
- "g-zspche", -- GNAT.Wide_Wide_Spelling_Checker
- "g-zstspl", -- GNAT.Wide_Wide_String_Split
-----------------------------------------------------
-- Interface Hierarchy Units from Reference Manual --
-- --
-- S p e c --
-- --
--- Copyright (C) 2003-2006, Free Software Foundation, Inc. --
+-- Copyright (C) 2003-2007, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
function popen (command, mode : System.Address) return System.Address;
pragma Import (C, popen, "popen");
- function read (fd : int; buffer : chars; nbytes : int) return int;
- pragma Import (C, read, "read");
-
function realloc
(Ptr : System.Address; Size : size_t) return System.Address;
pragma Import (C, realloc, "realloc");
function unlink (filename : chars) return int;
pragma Import (C, unlink, "unlink");
+ function open (filename : chars; oflag : int) return int;
+ pragma Import (C, open, "open");
+
+ function close (fd : int) return int;
+ pragma Import (C, close, "close");
+
+ function read (fd : int; buffer : chars; nbytes : int) return int;
+ pragma Import (C, read, "read");
+
function write (fd : int; buffer : chars; nbytes : int) return int;
pragma Import (C, write, "write");
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