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290 | -- --
-- procedure Test_MODBUS_Client Copyright (c) Dmitry A. Kazakov --
-- MODBUS client test Luebeck --
-- Spring, 2015 --
-- --
-- Last revision : 09:02 17 Oct 2020 --
-- --
-- This library is free software; you can redistribute it and/or --
-- modify it under the terms of the GNU General Public License as --
-- published by the Free Software Foundation; either version 2 of --
-- the License, or (at your option) any later version. This library --
-- is distributed in the hope that it will be useful, but WITHOUT --
-- 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 along with --
-- this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. --
--____________________________________________________________________--
with Ada.Exceptions; use Ada.Exceptions;
with Ada.Text_IO; use Ada.Text_IO;
with Ada.Text_IO.Text_Streams; use Ada.Text_IO.Text_Streams;
with GNAT.Sockets.Server; use GNAT.Sockets.Server;
with GNAT.Sockets.Server.Handles; use GNAT.Sockets.Server.Handles;
with Interfaces; use Interfaces;
with Strings_Edit.Integers; use Strings_Edit.Integers;
with Strings_Edit.Streams; use Strings_Edit.Streams;
with GNAT.Sockets.Connection_State_Machine.MODBUS_Client.Synchronous;
with GNAT.Serial_Communications;
with GNAT.Sockets.Server.Blocking;
procedure Test_MODBUS_Client is
Timeout : constant Duration := 1.0;
function Image
( Values : GNAT.Sockets.Connection_State_Machine.
MODBUS_Client.Bit_Array
) return String is
Result : String (1..Values'Length + (Values'Length - 1) / 5);
Pointer : Integer := Result'First;
begin
for Index in Values'Range loop
if Pointer > 1 and then (Pointer mod 5) = 1 then
Result (Pointer) := ' ';
Pointer := Pointer + 1;
end if;
if Values (Index) then
Result (Pointer) := '1';
else
Result (Pointer) := '0';
end if;
Pointer := Pointer + 1;
end loop;
return Result;
end Image;
function Image
( Values : GNAT.Sockets.Connection_State_Machine.
MODBUS_Client.Word_Array
) return String is
Result : String (1..Values'Length * 5 - 1);
Pointer : Integer := Result'First;
begin
for Index in Values'Range loop
if Pointer /= 1 then
Result (Pointer) := ' ';
Pointer := Pointer + 1;
end if;
Put
( Destination => Result,
Pointer => Pointer,
Value => Integer (Values (Index)),
Base => 16,
Field => 4,
Justify => Strings_Edit.Right,
Fill => '0'
);
end loop;
return Result;
end Image;
procedure Test_Asynchronous is
use GNAT.Sockets.Connection_State_Machine.MODBUS_Client;
Factory : aliased Connections_Factory;
Server : aliased Connections_Server (Factory'Access, 0);
Reference : Handle;
begin
Trace_On
( Factory => Factory,
Received => GNAT.Sockets.Server.Trace_Decoded,
Sent => GNAT.Sockets.Server.Trace_Decoded
);
Set
( Reference,
new MODBUS_Client (Server'Unchecked_Access, 140)
);
declare
Client : MODBUS_Client renames
MODBUS_Client (Ptr (Reference).all);
begin
Connect
( Server,
Client'Unchecked_Access,
"127.0.0.1", -- "192.168.2.100", -- "127.0.0.1",
MODBUS_Port
);
while not Is_Connected (Client) loop -- Busy waiting
delay Timeout;
end loop;
Put_Line ("MODBUS client connected");
Send_FC5 (Client, 100, 1, True);
delay Timeout;
Send_FC15 (Client, 101, (5..15=>True, 16=>False, 17=>True));
delay Timeout;
Send_FC1 (Client, 102, 1, 3);
delay Timeout;
Send_FC2 (Client, 103, 10, 20);
delay Timeout;
Send_FC6 (Client, 104, 0, 16#100#);
delay Timeout;
Send_FC16 (Client, 105, (2=>16#101#,3=>16#102#,4=>16#103#));
delay Timeout;
Send_FC23
( Client,
105,
0, 4,
(5=>16#201#,6=>16#202#,7=>16#203#)
);
delay Timeout;
Send_FC24 (Client, 106, 16#6000#);
delay Timeout;
Send_FC7 (Client, 106);
delay Timeout;
end;
end Test_Asynchronous;
procedure Test_RTU (COM_Port : String) is
use GNAT.Sockets.Connection_State_Machine.MODBUS_Client;
use Synchronous;
use GNAT.Serial_Communications;
Factory : aliased Connections_Factory;
Port : aliased Serial_Port;
Reference : Handle;
begin
Open (Port, Port_Name (COM_Port));
Set
( Port => Port,
Block => False,
Flow => RTS_CTS,
Timeout => 2.0
);
Trace_On
( Factory => Factory,
Received => GNAT.Sockets.Server.Trace_Decoded,
Sent => GNAT.Sockets.Server.Trace_Decoded
);
declare
Server : aliased GNAT.Sockets.Server.Blocking.Blocking_Server
( Factory'Access,
Port'Unchecked_Access,
Port'Unchecked_Access,
80
);
begin
Set
( Reference,
new MODBUS_Synchronous_Client
( Server'Unchecked_Access
) );
declare
Client : MODBUS_Synchronous_Client renames
MODBUS_Synchronous_Client (Ptr (Reference).all);
begin
Set_RTU_Checksum_Mode (Client, True); -- Activate checksum
Set_RTU_Silence_Time (Client, 0.01); -- 10ms silence time
GNAT.Sockets.Server.Blocking.Connect
( Server,
Client'Unchecked_Access
);
while not Is_Connected (Client) loop -- Busy waiting
delay Timeout;
end loop;
Put_Line ("MODBUS RTU client connected");
FC5 (Client, 100, 1, True, 1);
Put_Line ("FC1 > OK");
FC15 (Client, 101, (5..15=>True, 16=>False, 17=>True), 1);
Put_Line ("FC15 > OK");
Put_Line
( "FC1 > "
& Image
( FC1 (Client'Access, 102, 1, 3, 1)
) );
Put_Line
( "FC2 > "
& Image
( FC2 (Client'Access, 103, 10, 20, 1)
) );
FC6 (Client, 104, 0, 16#100#, 1);
Put_Line ("FC6 > OK");
FC16 (Client, 105, (2=>16#101#,3=>16#102#,4=>16#103#), 1);
Put_Line
( "FC23 > "
& Image
( FC23
( Client'Access,
105,
0, 4,
(5=>16#201#,6=>16#202#,7=>16#203#),
1,
3.0
) ) );
Put_Line
( "FC24 > "
& Image (FC24 (Client'Access, 106, 16#6000#, 1, 5.0))
);
Put_Line
( "FC7 > " & Unsigned_8'Image (FC7 (Client'Access, 106, 1))
);
delay 3.0;
Close (Port);
end;
end;
end Test_RTU;
procedure Test_Synchronous is
use GNAT.Sockets.Connection_State_Machine.
MODBUS_Client.Synchronous;
Factory : aliased Connections_Factory;
Server : aliased Connections_Server (Factory'Access, 0);
Reference : Handle;
begin
Trace_On
( Factory => Factory,
Received => GNAT.Sockets.Server.Trace_Decoded,
Sent => GNAT.Sockets.Server.Trace_Decoded
);
Set
( Reference,
new MODBUS_Synchronous_Client (Server'Unchecked_Access)
);
declare
Client : MODBUS_Synchronous_Client renames
MODBUS_Synchronous_Client (Ptr (Reference).all);
begin
Connect (Client, "192.168.2.100");
Put_Line ("MODBUS client connected");
FC5 (Client, 100, 1, True);
Put_Line ("FC1 > OK");
FC15 (Client, 101, (5..15=>True, 16=>False, 17=>True));
Put_Line ("FC15 > OK");
Put_Line ("FC1 > " & Image (FC1 (Client'Access, 102, 1, 3)));
Put_Line ("FC2 > " & Image (FC2 (Client'Access, 103, 10, 20)));
FC6 (Client, 104, 0, 16#100#);
Put_Line ("FC6 > OK");
FC16 (Client, 105, (2=>16#101#,3=>16#102#,4=>16#103#));
Put_Line
( "FC23 > "
& Image
( FC23
( Client'Access,
105,
0, 4,
(5=>16#201#,6=>16#202#,7=>16#203#)
) ) );
Put_Line
( "FC24 > "
& Image (FC24 (Client'Access, 106, 16#6000#))
);
Put_Line
( "FC7 > " & Unsigned_8'Image (FC7 (Client'Access, 106))
);
end;
end Test_Synchronous;
begin
-- Test_Asynchronous;
Test_RTU ("\\.\COM4");
-- Test_Synchronous;
exception
when Error : others =>
Put_Line ("Error: " & Exception_Information (Error));
end Test_MODBUS_Client;
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