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/vendor |
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composer.lock |
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*~ |
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@ -1,7 +0,0 @@ |
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a88b5a87fb4cd49f16ce72062cce19d55f1fbf98 0.2 |
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a7f90c18859d31922bdd8c61299e2790f5e2eb1a 0.3 |
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bdf8b3f414c4d08fc0edf9fd1953f55db26e4bac 0.4 |
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1e09b0da7d8c62a9a292ee51540feac9de4c1222 0.4.1 |
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e1262f028e180c2719564f840ffa1a9f8672b6be 0.5 |
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079f8ac1f49faf4e6bbb84d62c39eee1507805f2 0.6 |
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5885b1a0d0dc89577eeb871ee2c3fba8e70dd4fb 0.7 |
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@ -1,62 +1,89 @@ |
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The Phpmodbus License, Version 1 |
+---------------------------------------------------------+ |
||||||
============================ |
| ACKNOWLEDGEMENTS | |
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|
+---------------------------------------------------------+ |
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Copyright (c) 2004, 2013 Jan Krakora |
|
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All rights reserved. |
This project is based on work by Jan Krákora, (c) 2004-2013. |
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|
The original license is reproduced below. |
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This license is a legal agreement between you and Jan Krakora (the "Author") |
|
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for the use of Phpmodbus (the "Software"). By obtaining, using and/or |
https://code.google.com/archive/p/phpmodbus/ |
||||||
copying the Software, you agree that you have read, understood, and will |
|
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comply with the terms and conditions of this license. |
Further improvements - John S. Long and other contributors |
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|
|
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|
https://github.com/adduc/phpmodbus |
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PERMITTED USE |
|
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------------- |
Cleanup and namespaces - Ondřej Hruška, 2016 |
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|
|
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You are permitted to use, copy, modify, and distribute the Software and its |
https://github.com/MightyPork/phpmodbus |
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documentation, with or without modification, for any purpose, provided that |
|
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the following conditions are met: |
|
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|
+---------------------------------------------------------+ |
||||||
1. A copy of this license agreement must be included with the distribution. |
| ORIGINAL LICENSE | |
||||||
|
+---------------------------------------------------------+ |
||||||
2. Redistributions of source code must retain the above copyright notice in |
|
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all source code files. |
|
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|
The Phpmodbus License, Version 1 |
||||||
3. Redistributions in binary form must reproduce the above copyright notice |
============================ |
||||||
in the documentation and/or other materials provided with the distribution. |
|
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|
Copyright (c) 2004, 2013 Jan Krakora |
||||||
4. Products derived from the Software must include an acknowledgment that |
All rights reserved. |
||||||
they are derived from "Phpmodbus" in their documentation and/or other |
|
||||||
materials provided with the distribution. |
This license is a legal agreement between you and Jan Krakora (the "Author") |
||||||
|
for the use of Phpmodbus (the "Software"). By obtaining, using and/or |
||||||
5. The name "Phpmodbus" must not be used to endorse or promote products |
copying the Software, you agree that you have read, understood, and will |
||||||
derived from the Software without prior written permission from Author. |
comply with the terms and conditions of this license. |
||||||
|
|
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6. Products derived from the Software may not be called "Phpmodbus", |
|
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nor may "Phpmodbus" appear in their name, without prior written |
PERMITTED USE |
||||||
permission from Author. |
------------- |
||||||
|
|
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|
You are permitted to use, copy, modify, and distribute the Software and its |
||||||
INDEMNITY |
documentation, with or without modification, for any purpose, provided that |
||||||
--------- |
the following conditions are met: |
||||||
|
|
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You agree to indemnify and hold harmless the Author and any contributors |
1. A copy of this license agreement must be included with the distribution. |
||||||
for any direct, indirect, incidental, or consequential third-party claims, |
|
||||||
actions or suits, as well as any related expenses, liabilities, damages, |
2. Redistributions of source code must retain the above copyright notice in |
||||||
settlements or fees arising from your use or misuse of the Software, |
all source code files. |
||||||
or a violation of any terms of this license. |
|
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|
3. Redistributions in binary form must reproduce the above copyright notice |
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|
in the documentation and/or other materials provided with the distribution. |
||||||
DISCLAIMER OF WARRANTY |
|
||||||
---------------------- |
4. Products derived from the Software must include an acknowledgment that |
||||||
|
they are derived from "Phpmodbus" in their documentation and/or other |
||||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND |
materials provided with the distribution. |
||||||
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
|
||||||
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
5. The name "Phpmodbus" must not be used to endorse or promote products |
||||||
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR |
derived from the Software without prior written permission from Author. |
||||||
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
|
||||||
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
6. Products derived from the Software may not be called "Phpmodbus", |
||||||
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
nor may "Phpmodbus" appear in their name, without prior written |
||||||
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
permission from Author. |
||||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
|
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
|
INDEMNITY |
||||||
|
--------- |
||||||
|
|
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|
You agree to indemnify and hold harmless the Author and any contributors |
||||||
|
for any direct, indirect, incidental, or consequential third-party claims, |
||||||
|
actions or suits, as well as any related expenses, liabilities, damages, |
||||||
|
settlements or fees arising from your use or misuse of the Software, |
||||||
|
or a violation of any terms of this license. |
||||||
|
|
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|
|
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|
DISCLAIMER OF WARRANTY |
||||||
|
---------------------- |
||||||
|
|
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|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND |
||||||
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
||||||
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
||||||
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR |
||||||
|
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||||||
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
||||||
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
||||||
|
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
||||||
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
|
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|
|
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|
|
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|
End of file. |
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@ -1,45 +1,47 @@ |
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phpmodbus |
# phpmodbus |
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========= |
|
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This project deals with an implementation of the basic functionality of the Modbus TCP and UDP based protocol using PHP. |
Implementation of the basic functionality of the Modbus TCP and UDP based protocol using PHP. |
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It's a copy of the releases from the project page over at [Google Code](https://code.google.com/p/phpmodbus/) with |
|
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composer support added. |
This is a fork of the original project at https://code.google.com/p/phpmodbus/ |
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|
|
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Features |
> **What's new** |
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-------- |
> |
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|
> This fork adds a namespace and fixes issues encountered when porting to PHP 7 |
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* Modbus master |
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* FC1 - Read coils |
Implemented features: |
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* FC2 - Read input discretes |
* Modbus master |
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* FC3 - Read holding registers |
* FC1 - Read coils |
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* FC4 - Read holding input registers |
* FC2 - Read input discretes |
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* FC5 - Write single coil |
* FC3 - Read holding registers |
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* FC6 - Write single register |
* FC4 - Read holding input registers |
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* FC15 - Write multiple coils |
* FC5 - Write single coil |
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* FC16 - Write multiple registers |
* FC6 - Write single register |
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* FC22 - Mask Write register |
* FC15 - Write multiple coils |
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* FC23 - Read/Write multiple registers |
* FC16 - Write multiple registers |
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|
* FC23 - Read/Write multiple registers |
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Example |
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------- |
Example: |
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```php |
```php |
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// Modbus master UDP |
require_once dirname(__FILE__) . '/Phpmodbus/ModbusMaster.php'; |
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$modbus = new ModbusMaster("192.168.1.1", "UDP"); |
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// Read multiple registers |
// Modbus master UDP |
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try { |
$modbus = new ModbusMaster("192.168.1.1", "UDP"); |
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$recData = $modbus->readMultipleRegisters(0, 12288, 5); |
// Read multiple registers |
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} |
try { |
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catch (Exception $e) { |
$recData = $modbus->readMultipleRegisters(0, 12288, 5); |
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// Print error information if any |
} |
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echo $modbus; |
catch (Exception $e) { |
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echo $e; |
// Print error information if any |
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exit; |
echo $modbus; |
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} |
echo $e; |
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// Print data in string format |
exit; |
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echo PhpType::bytes2string($recData); |
} |
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|
// Print data in string format |
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|
echo PhpType::bytes2string($recData); |
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``` |
``` |
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|
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For more see [documentation][] or [FAQ][]. |
For more see [http://code.google.com/p/phpmodbus/downloads/list documentation] or [http://code.google.com/p/phpmodbus/wiki/FAQ FAQ]. |
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|
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[documentation]: https://code.google.com/p/phpmodbus/downloads/list |
Note: |
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[FAQ]: https://code.google.com/p/phpmodbus/wiki/FAQ |
* The PHP extension php_sockets.dll should be enabled (server php.ini file) |
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@ -1,17 +1,21 @@ |
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{ |
{ |
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"name": "adduc/phpmodbus", |
"name": "MightyPork/phpmodbus", |
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"description": "Composer version of PhpModBus", |
"keywords": ["phpmodbus","modbus"], |
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"license": "LGPL", |
"description": "PhpModbus with namespaces and updated to PHP 7", |
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"authors": [ |
"license": "LGPL", |
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{ |
"require": { |
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"name": "Honza Krakora", |
"php": "^5.3.2 || ^7.0", |
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"email": "krakora.jan@googlemail.com" |
"ext-sockets": "*" |
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} |
}, |
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], |
"authors": [ |
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"autoload": { |
{ |
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"classmap": [ "Phpmodbus" ] |
"name": "Honza Krakora", |
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}, |
"email": "krakora.jan@googlemail.com" |
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"require": { |
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"ext-sockets": "*" |
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} |
} |
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], |
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"autoload": { |
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"psr-4": { |
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"PHPModbus\\": "src/" |
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} |
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} |
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} |
} |
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@ -0,0 +1,3 @@ |
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|
Those examples have not been updated to use namespaces. |
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They may not work. Just for reference. |
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@ -1,133 +1,136 @@ |
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<?php |
<?php |
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/** |
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* Phpmodbus Copyright (c) 2004, 2013 Jan Krakora |
namespace PHPModbus; |
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* |
|
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* This source file is subject to the "PhpModbus license" that is bundled |
/** |
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* with this package in the file license.txt. |
* Phpmodbus Copyright (c) 2004, 2013 Jan Krakora |
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* |
* |
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* @author Jan Krakora |
* This source file is subject to the "PhpModbus license" that is bundled |
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* @copyright Copyright (c) 2004, 2013 Jan Krakora |
* with this package in the file license.txt. |
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* @license PhpModbus license |
* |
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* @category Phpmodbus |
* @author Jan Krakora |
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* @package Phpmodbus |
* @copyright Copyright (c) 2004, 2013 Jan Krakora |
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* @version $id$ |
* @license PhpModbus license |
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*/ |
* @category Phpmodbus |
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|
* @package Phpmodbus |
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/** |
* @version $id$ |
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* IecType |
*/ |
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* |
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* The class includes set of IEC-1131 data type functions that converts a PHP |
/** |
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* data types to a IEC data type. |
* IecType |
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* |
* |
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* @author Jan Krakora |
* The class includes set of IEC-1131 data type functions that converts a PHP |
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* @copyright Copyright (c) 2004, 2010 Jan Krakora |
* data types to a IEC data type. |
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* @package Phpmodbus |
* |
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*/ |
* @author Jan Krakora |
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class IecType { |
* @copyright Copyright (c) 2004, 2010 Jan Krakora |
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|
* @package Phpmodbus |
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/** |
*/ |
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* iecBYTE |
class IecType { |
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* |
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* Converts a value to IEC-1131 BYTE data type |
/** |
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* |
* iecBYTE |
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* @param value value from 0 to 255 |
* |
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* @return value IEC BYTE data type |
* Converts a value to IEC-1131 BYTE data type |
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* |
* |
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*/ |
* @param value value from 0 to 255 |
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public static function iecBYTE($value) { |
* @return value IEC BYTE data type |
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return chr($value & 0xFF); |
* |
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} |
*/ |
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public static function iecBYTE($value) { |
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/** |
return chr($value & 0xFF); |
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* iecINT |
} |
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* |
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* Converts a value to IEC-1131 INT data type |
/** |
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* |
* iecINT |
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* @param value value to be converted |
* |
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* @return value IEC-1131 INT data type |
* Converts a value to IEC-1131 INT data type |
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* |
* |
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*/ |
* @param value value to be converted |
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public static function iecINT($value) { |
* @return value IEC-1131 INT data type |
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return self::iecBYTE(($value >> 8) & 0x00FF) . |
* |
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self::iecBYTE(($value & 0x00FF)); |
*/ |
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} |
public static function iecINT($value) { |
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return self::iecBYTE(($value >> 8) & 0x00FF) . |
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/** |
self::iecBYTE(($value & 0x00FF)); |
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* iecDINT |
} |
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* |
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* Converts a value to IEC-1131 DINT data type |
/** |
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* |
* iecDINT |
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* @param value value to be converted |
* |
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* @param value endianness defines endian codding (little endian == 0, big endian == 1) |
* Converts a value to IEC-1131 DINT data type |
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* @return value IEC-1131 INT data type |
* |
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* |
* @param value value to be converted |
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*/ |
* @param value endianness defines endian codding (little endian == 0, big endian == 1) |
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public static function iecDINT($value, $endianness = 0) { |
* @return value IEC-1131 INT data type |
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// result with right endianness |
* |
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return self::endianness($value, $endianness); |
*/ |
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} |
public static function iecDINT($value, $endianness = 0) { |
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// result with right endianness |
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/** |
return self::endianness($value, $endianness); |
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* iecREAL |
} |
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* |
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* Converts a value to IEC-1131 REAL data type. The function uses function @use float2iecReal. |
/** |
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* |
* iecREAL |
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* @param value value to be converted |
* |
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* @param value endianness defines endian codding (little endian == 0, big endian == 1) |
* Converts a value to IEC-1131 REAL data type. The function uses function @use float2iecReal. |
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* @return value IEC-1131 REAL data type |
* |
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*/ |
* @param value value to be converted |
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public static function iecREAL($value, $endianness = 0) { |
* @param value endianness defines endian codding (little endian == 0, big endian == 1) |
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// iecREAL representation |
* @return value IEC-1131 REAL data type |
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$real = self::float2iecReal($value); |
*/ |
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// result with right endianness |
public static function iecREAL($value, $endianness = 0) { |
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return self::endianness($real, $endianness); |
// iecREAL representation |
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} |
$real = self::float2iecReal($value); |
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|
// result with right endianness |
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/** |
return self::endianness($real, $endianness); |
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* float2iecReal |
} |
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* |
|
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* This function converts float value to IEC-1131 REAL single precision form. |
/** |
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* |
* float2iecReal |
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* For more see [{@link http://en.wikipedia.org/wiki/Single_precision Single precision on Wiki}] or |
* |
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* [{@link http://de.php.net/manual/en/function.base-convert.php PHP base_convert function commentary}, Todd Stokes @ Georgia Tech 21-Nov-2007] or |
* This function converts float value to IEC-1131 REAL single precision form. |
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* [{@link http://www.php.net/manual/en/function.pack.php PHP pack/unpack functionality}] |
* |
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* |
* For more see [{@link http://en.wikipedia.org/wiki/Single_precision Single precision on Wiki}] or |
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* @param float value to be converted |
* [{@link http://de.php.net/manual/en/function.base-convert.php PHP base_convert function commentary}, Todd Stokes @ Georgia Tech 21-Nov-2007] or |
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* @return value IEC REAL data type |
* [{@link http://www.php.net/manual/en/function.pack.php PHP pack/unpack functionality}] |
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*/ |
* |
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private static function float2iecReal($value) { |
* @param float value to be converted |
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// get float binary string |
* @return value IEC REAL data type |
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$float = pack("f", $value); |
*/ |
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// set 32-bit unsigned integer of the float |
private static function float2iecReal($value) { |
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$w = unpack("L", $float); |
// get float binary string |
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return $w[1]; |
$float = pack("f", $value); |
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} |
// set 32-bit unsigned integer of the float |
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|
$w = unpack("L", $float); |
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/** |
return $w[1]; |
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* endianness |
} |
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* |
|
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* Make endianess as required. |
/** |
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* For more see http://en.wikipedia.org/wiki/Endianness |
* endianness |
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* |
* |
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* @param int $value |
* Make endianess as required. |
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* @param bool $endianness |
* For more see http://en.wikipedia.org/wiki/Endianness |
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* @return int |
* |
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*/ |
* @param int $value |
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private static function endianness($value, $endianness = 0) { |
* @param bool $endianness |
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if ($endianness == 0) |
* @return int |
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return |
*/ |
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self::iecBYTE(($value >> 8) & 0x000000FF) . |
private static function endianness($value, $endianness = 0) { |
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self::iecBYTE(($value & 0x000000FF)) . |
if ($endianness == 0) |
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self::iecBYTE(($value >> 24) & 0x000000FF) . |
return |
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self::iecBYTE(($value >> 16) & 0x000000FF); |
self::iecBYTE(($value >> 8) & 0x000000FF) . |
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else |
self::iecBYTE(($value & 0x000000FF)) . |
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return |
self::iecBYTE(($value >> 24) & 0x000000FF) . |
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self::iecBYTE(($value >> 24) & 0x000000FF) . |
self::iecBYTE(($value >> 16) & 0x000000FF); |
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self::iecBYTE(($value >> 16) & 0x000000FF) . |
else |
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self::iecBYTE(($value >> 8) & 0x000000FF) . |
return |
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self::iecBYTE(($value & 0x000000FF)); |
self::iecBYTE(($value >> 24) & 0x000000FF) . |
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} |
self::iecBYTE(($value >> 16) & 0x000000FF) . |
||||||
|
self::iecBYTE(($value >> 8) & 0x000000FF) . |
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} |
self::iecBYTE(($value & 0x000000FF)); |
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|
} |
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|
|
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|
} |
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|
|
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?> |
?> |
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@ -1,49 +1,50 @@ |
|||||||
<?php |
<?php |
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/** |
|
||||||
* Phpmodbus Copyright (c) 2004, 2012 Jan Krakora |
namespace PHPModbus; |
||||||
* |
|
||||||
* This source file is subject to the "PhpModbus license" that is bundled |
/** |
||||||
* with this package in the file license.txt. |
* Phpmodbus Copyright (c) 2004, 2012 Jan Krakora |
||||||
* |
* |
||||||
* |
* This source file is subject to the "PhpModbus license" that is bundled |
||||||
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
* with this package in the file license.txt. |
||||||
* @license PhpModbus license |
* |
||||||
* @category Phpmodbus |
* |
||||||
* @tutorial Phpmodbus.pkg |
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
||||||
* @package Phpmodbus |
* @license PhpModbus license |
||||||
* @version $id$ |
* @category Phpmodbus |
||||||
* |
* @tutorial Phpmodbus.pkg |
||||||
*/ |
* @package Phpmodbus |
||||||
|
* @version $id$ |
||||||
require_once dirname(__FILE__) . '/ModbusMaster.php'; |
* |
||||||
|
*/ |
||||||
/** |
|
||||||
* ModbusMasterTcp |
/** |
||||||
* |
* ModbusMasterTcp |
||||||
* This class deals with the MODBUS master using TCP. Extends ModbusMaster class. |
* |
||||||
* |
* This class deals with the MODBUS master using TCP. Extends ModbusMaster class. |
||||||
* Implemented MODBUS functions: |
* |
||||||
* - FC 1: read coils |
* Implemented MODBUS functions: |
||||||
* - FC 3: read multiple registers |
* - FC 1: read coils |
||||||
* - FC 15: write multiple coils |
* - FC 3: read multiple registers |
||||||
* - FC 16: write multiple registers |
* - FC 15: write multiple coils |
||||||
* - FC 23: read write registers |
* - FC 16: write multiple registers |
||||||
* |
* - FC 23: read write registers |
||||||
* @author Jan Krakora |
* |
||||||
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
* @author Jan Krakora |
||||||
* @package Phpmodbus |
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
||||||
* |
* @package Phpmodbus |
||||||
*/ |
* |
||||||
class ModbusMasterTcp extends ModbusMaster { |
*/ |
||||||
/** |
class ModbusMasterTcp extends ModbusMaster { |
||||||
* ModbusMasterTcp |
/** |
||||||
* |
* ModbusMasterTcp |
||||||
* This is the constructor that defines {@link $host} IP address of the object. |
* |
||||||
* |
* This is the constructor that defines {@link $host} IP address of the object. |
||||||
* @param String $host An IP address of a Modbus TCP device. E.g. "192.168.1.1". |
* |
||||||
*/ |
* @param String $host An IP address of a Modbus TCP device. E.g. "192.168.1.1". |
||||||
function ModbusMasterTcp($host){ |
*/ |
||||||
$this->host = $host; |
function ModbusMasterTcp($host){ |
||||||
$this->socket_protocol = "TCP"; |
$this->host = $host; |
||||||
} |
$this->socket_protocol = "TCP"; |
||||||
} |
} |
||||||
|
} |
||||||
@ -1,50 +1,51 @@ |
|||||||
<?php |
<?php |
||||||
/** |
|
||||||
* Phpmodbus Copyright (c) 2004, 2012 Jan Krakora |
namespace PHPModbus; |
||||||
* |
|
||||||
* This source file is subject to the "PhpModbus license" that is bundled |
/** |
||||||
* with this package in the file license.txt. |
* Phpmodbus Copyright (c) 2004, 2012 Jan Krakora |
||||||
* |
* |
||||||
* |
* This source file is subject to the "PhpModbus license" that is bundled |
||||||
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
* with this package in the file license.txt. |
||||||
* @license PhpModbus license |
* |
||||||
* @category Phpmodbus |
* |
||||||
* @tutorial Phpmodbus.pkg |
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
||||||
* @package Phpmodbus |
* @license PhpModbus license |
||||||
* @version $id$ |
* @category Phpmodbus |
||||||
* |
* @tutorial Phpmodbus.pkg |
||||||
*/ |
* @package Phpmodbus |
||||||
|
* @version $id$ |
||||||
require_once dirname(__FILE__) . '/ModbusMaster.php'; |
* |
||||||
|
*/ |
||||||
/** |
|
||||||
* ModbusMasterUdp |
/** |
||||||
* |
* ModbusMasterUdp |
||||||
* This class deals with the MODBUS master using UDP stack. |
* |
||||||
* |
* This class deals with the MODBUS master using UDP stack. |
||||||
* Implemented MODBUS master functions: |
* |
||||||
* - FC 1: read coils |
* Implemented MODBUS master functions: |
||||||
* - FC 3: read multiple registers |
* - FC 1: read coils |
||||||
* - FC 15: write multiple coils |
* - FC 3: read multiple registers |
||||||
* - FC 16: write multiple registers |
* - FC 15: write multiple coils |
||||||
* - FC 23: read write registers |
* - FC 16: write multiple registers |
||||||
* |
* - FC 23: read write registers |
||||||
* @author Jan Krakora |
* |
||||||
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
* @author Jan Krakora |
||||||
* @package Phpmodbus |
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
||||||
* |
* @package Phpmodbus |
||||||
*/ |
* |
||||||
class ModbusMasterUdp extends ModbusMaster { |
*/ |
||||||
|
class ModbusMasterUdp extends ModbusMaster { |
||||||
/** |
|
||||||
* ModbusMasterUdp |
/** |
||||||
* |
* ModbusMasterUdp |
||||||
* This is the constructor that defines {@link $host} IP address of the object. |
* |
||||||
* |
* This is the constructor that defines {@link $host} IP address of the object. |
||||||
* @param String $host An IP address of a Modbus UDP device. E.g. "192.168.1.1". |
* |
||||||
*/ |
* @param String $host An IP address of a Modbus UDP device. E.g. "192.168.1.1". |
||||||
function ModbusMasterUdp($host){ |
*/ |
||||||
$this->host = $host; |
function ModbusMasterUdp($host){ |
||||||
$this->socket_protocol = "UDP"; |
$this->host = $host; |
||||||
} |
$this->socket_protocol = "UDP"; |
||||||
} |
} |
||||||
|
} |
||||||
@ -1,249 +1,252 @@ |
|||||||
<?php |
<?php |
||||||
/** |
|
||||||
* Phpmodbus Copyright (c) 2004, 2012 Jan Krakora |
namespace PHPModbus; |
||||||
* |
|
||||||
* This source file is subject to the "PhpModbus license" that is bundled |
/** |
||||||
* with this package in the file license.txt. |
* Phpmodbus Copyright (c) 2004, 2012 Jan Krakora |
||||||
* |
* |
||||||
* @author Jan Krakora |
* This source file is subject to the "PhpModbus license" that is bundled |
||||||
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
* with this package in the file license.txt. |
||||||
* @license PhpModbus license |
* |
||||||
* @category Phpmodbus |
* @author Jan Krakora |
||||||
* @package Phpmodbus |
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
||||||
* @version $id$ |
* @license PhpModbus license |
||||||
* |
* @category Phpmodbus |
||||||
*/ |
* @package Phpmodbus |
||||||
|
* @version $id$ |
||||||
/** |
* |
||||||
* PhpType |
*/ |
||||||
* |
|
||||||
* The class includes set of methods that convert the received Modbus data |
/** |
||||||
* (array of bytes) to the PHP data type, i.e. signed int, unsigned int and float. |
* PhpType |
||||||
* |
* |
||||||
* @author Jan Krakora |
* The class includes set of methods that convert the received Modbus data |
||||||
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
* (array of bytes) to the PHP data type, i.e. signed int, unsigned int and float. |
||||||
* @package Phpmodbus |
* |
||||||
* |
* @author Jan Krakora |
||||||
*/ |
* @copyright Copyright (c) 2004, 2012 Jan Krakora |
||||||
class PhpType { |
* @package Phpmodbus |
||||||
|
* |
||||||
/** |
*/ |
||||||
* bytes2float |
class PhpType { |
||||||
* |
|
||||||
* The function converts array of 4 bytes to float. The return value |
/** |
||||||
* depends on order of the input bytes (endianning). |
* bytes2float |
||||||
* |
* |
||||||
* @param array $values |
* The function converts array of 4 bytes to float. The return value |
||||||
* @param bool $endianness |
* depends on order of the input bytes (endianning). |
||||||
* @return float |
* |
||||||
*/ |
* @param array $values |
||||||
public static function bytes2float($values, $endianness = 0) { |
* @param bool $endianness |
||||||
$data = array(); |
* @return float |
||||||
$real = 0; |
*/ |
||||||
|
public static function bytes2float($values, $endianness = 0) { |
||||||
// Set the array to correct form |
$data = array(); |
||||||
$data = self::checkData($values); |
$real = 0; |
||||||
// Combine bytes |
|
||||||
$real = self::combineBytes($data, $endianness); |
// Set the array to correct form |
||||||
// Convert the real value to float |
$data = self::checkData($values); |
||||||
return (float) self::real2float($real); |
// Combine bytes |
||||||
} |
$real = self::combineBytes($data, $endianness); |
||||||
|
// Convert the real value to float |
||||||
/** |
return (float) self::real2float($real); |
||||||
* bytes2signedInt |
} |
||||||
* |
|
||||||
* The function converts array of 2 or 4 bytes to signed integer. |
/** |
||||||
* The return value depends on order of the input bytes (endianning). |
* bytes2signedInt |
||||||
* |
* |
||||||
* @param array $values |
* The function converts array of 2 or 4 bytes to signed integer. |
||||||
* @param bool $endianness |
* The return value depends on order of the input bytes (endianning). |
||||||
* @return int |
* |
||||||
*/ |
* @param array $values |
||||||
public static function bytes2signedInt($values, $endianness = 0) { |
* @param bool $endianness |
||||||
$data = array(); |
* @return int |
||||||
$int = 0; |
*/ |
||||||
// Set the array to correct form |
public static function bytes2signedInt($values, $endianness = 0) { |
||||||
$data = self::checkData($values); |
$data = array(); |
||||||
// Combine bytes |
$int = 0; |
||||||
$int = self::combineBytes($data, $endianness); |
// Set the array to correct form |
||||||
// In the case of signed 2 byte value convert it to 4 byte one |
$data = self::checkData($values); |
||||||
if ((count($values) == 2) && ((0x8000 & $int) > 0)) { |
// Combine bytes |
||||||
$int = 0xFFFF8000 | $int; |
$int = self::combineBytes($data, $endianness); |
||||||
} |
// In the case of signed 2 byte value convert it to 4 byte one |
||||||
// Convert the value |
if ((count($values) == 2) && ((0x8000 & $int) > 0)) { |
||||||
return (int) self::dword2signedInt($int); |
$int = 0xFFFF8000 | $int; |
||||||
} |
} |
||||||
|
// Convert the value |
||||||
/** |
return (int) self::dword2signedInt($int); |
||||||
* bytes2unsignedInt |
} |
||||||
* |
|
||||||
* The function converts array of 2 or 4 bytes to unsigned integer. |
/** |
||||||
* The return value depends on order of the input bytes (endianning). |
* bytes2unsignedInt |
||||||
* |
* |
||||||
* @param array $values |
* The function converts array of 2 or 4 bytes to unsigned integer. |
||||||
* @param bool $endianness |
* The return value depends on order of the input bytes (endianning). |
||||||
* @return int|float |
* |
||||||
*/ |
* @param array $values |
||||||
public static function bytes2unsignedInt($values, $endianness = 0) { |
* @param bool $endianness |
||||||
$data = array(); |
* @return int|float |
||||||
$int = 0; |
*/ |
||||||
// Set the array to correct form |
public static function bytes2unsignedInt($values, $endianness = 0) { |
||||||
$data = self::checkData($values); |
$data = array(); |
||||||
// Combine bytes |
$int = 0; |
||||||
$int = self::combineBytes($data, $endianness); |
// Set the array to correct form |
||||||
// Convert the value |
$data = self::checkData($values); |
||||||
return self::dword2unsignedInt($int); |
// Combine bytes |
||||||
} |
$int = self::combineBytes($data, $endianness); |
||||||
|
// Convert the value |
||||||
/** |
return self::dword2unsignedInt($int); |
||||||
* bytes2string |
} |
||||||
* |
|
||||||
* The function converts an values array to the string. The function detects |
/** |
||||||
* the end of the string by 0x00 character as defined by string standards. |
* bytes2string |
||||||
* |
* |
||||||
* @param array $values |
* The function converts an values array to the string. The function detects |
||||||
* @param bool $endianness |
* the end of the string by 0x00 character as defined by string standards. |
||||||
* @return string |
* |
||||||
*/ |
* @param array $values |
||||||
public static function bytes2string($values, $endianness = 0) { |
* @param bool $endianness |
||||||
// Prepare string variable |
* @return string |
||||||
$str = ""; |
*/ |
||||||
// Parse the received data word array |
public static function bytes2string($values, $endianness = 0) { |
||||||
for($i=0;$i<count($values);$i+=2) { |
// Prepare string variable |
||||||
if ($endianness) { |
$str = ""; |
||||||
if($values[$i] != 0) |
// Parse the received data word array |
||||||
$str .= chr($values[$i]); |
for($i=0;$i<count($values);$i+=2) { |
||||||
else |
if ($endianness) { |
||||||
break; |
if($values[$i] != 0) |
||||||
if($values[$i+1] != 0) |
$str .= chr($values[$i]); |
||||||
$str .= chr($values[$i+1]); |
else |
||||||
else |
break; |
||||||
break; |
if($values[$i+1] != 0) |
||||||
} |
$str .= chr($values[$i+1]); |
||||||
else { |
else |
||||||
if($values[$i+1] != 0) |
break; |
||||||
$str .= chr($values[$i+1]); |
} |
||||||
else |
else { |
||||||
break; |
if($values[$i+1] != 0) |
||||||
if($values[$i] != 0) |
$str .= chr($values[$i+1]); |
||||||
$str .= chr($values[$i]); |
else |
||||||
else |
break; |
||||||
break; |
if($values[$i] != 0) |
||||||
} |
$str .= chr($values[$i]); |
||||||
} |
else |
||||||
// return string |
break; |
||||||
return $str; |
} |
||||||
} |
} |
||||||
|
// return string |
||||||
/** |
return $str; |
||||||
* real2float |
} |
||||||
* |
|
||||||
* This function converts a value in IEC-1131 REAL single precision form to float. |
/** |
||||||
* |
* real2float |
||||||
* For more see [{@link http://en.wikipedia.org/wiki/Single_precision Single precision on Wiki}] or |
* |
||||||
* [{@link http://de.php.net/manual/en/function.base-convert.php PHP base_convert function commentary}, Todd Stokes @ Georgia Tech 21-Nov-2007] or |
* This function converts a value in IEC-1131 REAL single precision form to float. |
||||||
* [{@link http://www.php.net/manual/en/function.pack.php PHP pack/unpack functionality}] |
* |
||||||
* |
* For more see [{@link http://en.wikipedia.org/wiki/Single_precision Single precision on Wiki}] or |
||||||
* @param value value in IEC REAL data type to be converted |
* [{@link http://de.php.net/manual/en/function.base-convert.php PHP base_convert function commentary}, Todd Stokes @ Georgia Tech 21-Nov-2007] or |
||||||
* @return float float value |
* [{@link http://www.php.net/manual/en/function.pack.php PHP pack/unpack functionality}] |
||||||
*/ |
* |
||||||
private static function real2float($value) { |
* @param value value in IEC REAL data type to be converted |
||||||
// get unsigned long |
* @return float float value |
||||||
$ulong = pack("L", $value); |
*/ |
||||||
// set float |
private static function real2float($value) { |
||||||
$float = unpack("f", $ulong); |
// get unsigned long |
||||||
|
$ulong = pack("L", $value); |
||||||
return $float[1]; |
// set float |
||||||
} |
$float = unpack("f", $ulong); |
||||||
|
|
||||||
/** |
return $float[1]; |
||||||
* dword2signedInt |
} |
||||||
* |
|
||||||
* Switch double word to signed integer |
/** |
||||||
* |
* dword2signedInt |
||||||
* @param int $value |
* |
||||||
* @return int |
* Switch double word to signed integer |
||||||
*/ |
* |
||||||
private static function dword2signedInt($value) { |
* @param int $value |
||||||
if ((0x80000000 & $value) != 0) { |
* @return int |
||||||
return -(0x7FFFFFFF & ~$value)-1; |
*/ |
||||||
} else { |
private static function dword2signedInt($value) { |
||||||
return (0x7FFFFFFF & $value); |
if ((0x80000000 & $value) != 0) { |
||||||
} |
return -(0x7FFFFFFF & ~$value)-1; |
||||||
} |
} else { |
||||||
|
return (0x7FFFFFFF & $value); |
||||||
/** |
} |
||||||
* dword2signedInt |
} |
||||||
* |
|
||||||
* Switch double word to unsigned integer |
/** |
||||||
* |
* dword2signedInt |
||||||
* @param int $value |
* |
||||||
* @return int|float |
* Switch double word to unsigned integer |
||||||
*/ |
* |
||||||
private static function dword2unsignedInt($value) { |
* @param int $value |
||||||
if ((0x80000000 & $value) != 0) { |
* @return int|float |
||||||
return ((float) (0x7FFFFFFF & $value)) + 2147483648; |
*/ |
||||||
} else { |
private static function dword2unsignedInt($value) { |
||||||
return (int) (0x7FFFFFFF & $value); |
if ((0x80000000 & $value) != 0) { |
||||||
} |
return ((float) (0x7FFFFFFF & $value)) + 2147483648; |
||||||
} |
} else { |
||||||
|
return (int) (0x7FFFFFFF & $value); |
||||||
/** |
} |
||||||
* checkData |
} |
||||||
* |
|
||||||
* Check if the data variable is array, and check if the values are numeric |
/** |
||||||
* |
* checkData |
||||||
* @param int $data |
* |
||||||
* @return int |
* Check if the data variable is array, and check if the values are numeric |
||||||
*/ |
* |
||||||
private static function checkData($data) { |
* @param int $data |
||||||
// Check the data |
* @return int |
||||||
if (!is_array($data) || |
*/ |
||||||
count($data)<2 || |
private static function checkData($data) { |
||||||
count($data)>4 || |
// Check the data |
||||||
count($data)==3) { |
if (!is_array($data) || |
||||||
throw new Exception('The input data should be an array of 2 or 4 bytes.'); |
count($data)<2 || |
||||||
} |
count($data)>4 || |
||||||
// Fill the rest of array by zeroes |
count($data)==3) { |
||||||
if (count($data) == 2) { |
throw new Exception('The input data should be an array of 2 or 4 bytes.'); |
||||||
$data[2] = 0; |
} |
||||||
$data[3] = 0; |
// Fill the rest of array by zeroes |
||||||
} |
if (count($data) == 2) { |
||||||
// Check the values to be number |
$data[2] = 0; |
||||||
if (!is_numeric($data[0]) || |
$data[3] = 0; |
||||||
!is_numeric($data[1]) || |
} |
||||||
!is_numeric($data[2]) || |
// Check the values to be number |
||||||
!is_numeric($data[3])) { |
if (!is_numeric($data[0]) || |
||||||
throw new Exception('Data are not numeric or the array keys are not indexed by 0,1,2 and 3'); |
!is_numeric($data[1]) || |
||||||
} |
!is_numeric($data[2]) || |
||||||
|
!is_numeric($data[3])) { |
||||||
return $data; |
throw new Exception('Data are not numeric or the array keys are not indexed by 0,1,2 and 3'); |
||||||
} |
} |
||||||
|
|
||||||
/** |
return $data; |
||||||
* combineBytes |
} |
||||||
* |
|
||||||
* Combine bytes together |
/** |
||||||
* |
* combineBytes |
||||||
* @param int $data |
* |
||||||
* @param bool $endianness |
* Combine bytes together |
||||||
* @return int |
* |
||||||
*/ |
* @param int $data |
||||||
private static function combineBytes($data, $endianness) { |
* @param bool $endianness |
||||||
$value = 0; |
* @return int |
||||||
// Combine bytes |
*/ |
||||||
if ($endianness == 0) |
private static function combineBytes($data, $endianness) { |
||||||
$value = (($data[3] & 0xFF)<<16) | |
$value = 0; |
||||||
(($data[2] & 0xFF)<<24) | |
// Combine bytes |
||||||
(($data[1] & 0xFF)) | |
if ($endianness == 0) |
||||||
(($data[0] & 0xFF)<<8); |
$value = (($data[3] & 0xFF)<<16) | |
||||||
else |
(($data[2] & 0xFF)<<24) | |
||||||
$value = (($data[3] & 0xFF)<<24) | |
(($data[1] & 0xFF)) | |
||||||
(($data[2] & 0xFF)<<16) | |
(($data[0] & 0xFF)<<8); |
||||||
(($data[1] & 0xFF)<<8) | |
else |
||||||
(($data[0] & 0xFF)); |
$value = (($data[3] & 0xFF)<<24) | |
||||||
|
(($data[2] & 0xFF)<<16) | |
||||||
return $value; |
(($data[1] & 0xFF)<<8) | |
||||||
} |
(($data[0] & 0xFF)); |
||||||
} |
|
||||||
|
return $value; |
||||||
|
} |
||||||
|
} |
||||||
?> |
?> |
||||||
@ -0,0 +1,3 @@ |
|||||||
|
Probably broken and dubious. |
||||||
|
|
||||||
|
Left from the original repo. |
||||||
@ -1,210 +0,0 @@ |
|||||||
<refentry id="{@id}"> |
|
||||||
<refnamediv> |
|
||||||
<refname>Phpmodbus user's guide</refname> |
|
||||||
<refpurpose>Phpmodbus How-to</refpurpose> |
|
||||||
</refnamediv> |
|
||||||
<refsynopsisdiv> |
|
||||||
<author> |
|
||||||
Jan Krakora |
|
||||||
<authorblurb> |
|
||||||
{@link mailto:krakora.jan@googlemail.com email} |
|
||||||
</authorblurb> |
|
||||||
</author> |
|
||||||
</refsynopsisdiv> |
|
||||||
{@toc} |
|
||||||
<refsect1 id="{@id intro}"> |
|
||||||
<title>Introduction</title> |
|
||||||
<para> |
|
||||||
Phpmodbus is a PHP library for the Modbus protocol. The library implements |
|
||||||
Modbus TCP/UDP master class with subset of the most used Modbus commands. |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
The library implements: |
|
||||||
<itemizedlist> |
|
||||||
<listitem><para>FC 1: read multiple coils</para></listitem> |
|
||||||
<listitem><para>FC 2: read input discretes</para></listitem> |
|
||||||
<listitem><para>FC 3: read multiple registers</para></listitem> |
|
||||||
<listitem><para>FC 4: read multiple input registers</para></listitem> |
|
||||||
<listitem><para>FC 5: write single coil</para></listitem> |
|
||||||
<listitem><para>FC 6: write single register</para></listitem> |
|
||||||
<listitem><para>FC 15: write multiple coils</para></listitem> |
|
||||||
<listitem><para>FC 16: write multiple registers</para></listitem> |
|
||||||
<listitem><para>FC 23: read write registers</para></listitem> |
|
||||||
</itemizedlist> |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
For more about Modbus protocol see [{@link http://www.modbus.org}] or |
|
||||||
[{@link http://en.wikipedia.org/wiki/Modbus Wiki}] |
|
||||||
</para> |
|
||||||
</refsect1> |
|
||||||
<refsect1 id="{@id install}"> |
|
||||||
<title>Install</title> |
|
||||||
<para> |
|
||||||
At the first, it is supposed an PHP solution has been already installed on |
|
||||||
your server (LAMP, WAMP, MSS+CGI etc.). |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
Copy the Phpmodbus library to your PHP project folder. |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
Create a PHP script and assign the library using require_once() command |
|
||||||
<programlisting role="c"> |
|
||||||
<![CDATA[require_once dirname(__FILE__) . '/Phpmodbus/ModbusMaster.php'; ]]> |
|
||||||
</programlisting> |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
To create UDP Modbus master object communicating to an modbus slave |
|
||||||
e.g. at IP address 192.168.1.1 write |
|
||||||
<programlisting role="c" linenumbering="numbered" startinglinenumber="2"> |
|
||||||
<![CDATA[ $modbus = new ModbusMaster("192.168.1.1", "UDP"); ]]> |
|
||||||
</programlisting> |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
To create TCP Modbus master use |
|
||||||
<programlisting role="c" linenumbering="numbered" startinglinenumber="2"> |
|
||||||
<![CDATA[ $modbus = new ModbusMaster("192.168.1.1", "TCP"); ]]> |
|
||||||
</programlisting> |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
To read 5 words (10 bytes) from the device ID=0 and its memory address 12288 |
|
||||||
use try-catch method call |
|
||||||
<programlisting role="c" linenumbering="numbered" startinglinenumber="3"> |
|
||||||
<![CDATA[try { |
|
||||||
// Function processing |
|
||||||
$recData = $modbus->readMultipleRegisters(0, 12288, 5); |
|
||||||
} |
|
||||||
catch (Exception $e) { |
|
||||||
// Exception processing, e.g. print error information |
|
||||||
echo $modbus; |
|
||||||
echo $e; |
|
||||||
exit; |
|
||||||
}]]> |
|
||||||
</programlisting> |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
To process the function byte stream, use conversion to PHP types in |
|
||||||
</para> |
|
||||||
<programlisting role="c" linenumbering="numbered" startinglinenumber="15"> |
|
||||||
<![CDATA[echo PhpType::bytes2string($recData); ]]> |
|
||||||
</programlisting> |
|
||||||
<para> |
|
||||||
For other examples see sections bellow. |
|
||||||
</para> |
|
||||||
</refsect1> |
|
||||||
<refsect1 id="{@id examples}"> |
|
||||||
<title>Examples</title> |
|
||||||
<para> |
|
||||||
This section presents library features and examples |
|
||||||
</para> |
|
||||||
<refsect2 id="{@id example_fc1}"> |
|
||||||
<title>FC1 - read mutliple coils</title> |
|
||||||
<para> |
|
||||||
FC1 functionality example |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_fc1.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id example_fc2}"> |
|
||||||
<title>FC2 - read input discretes</title> |
|
||||||
<para> |
|
||||||
FC2 functionality example |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_fc2.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id example_fc3}"> |
|
||||||
<title>FC3 - read mutliple registers</title> |
|
||||||
<para> |
|
||||||
FC3 functionality example |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_fc3.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id example_fc4}"> |
|
||||||
<title>FC4 - read multiple input registers </title> |
|
||||||
<para> |
|
||||||
FC4 functionality example |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_fc4.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id example_fc5}"> |
|
||||||
<title>FC5 - write single coil</title> |
|
||||||
<para> |
|
||||||
FC5 functionality example |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_fc5.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id example_fc6}"> |
|
||||||
<title>FC6 - write single register</title> |
|
||||||
<para> |
|
||||||
FC6 functionality example |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_fc6.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id example_fc15}"> |
|
||||||
<title>FC15 - write mutliple coils</title> |
|
||||||
<para> |
|
||||||
FC15 functionality example |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_fc15.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id example_fc16}"> |
|
||||||
<title>FC16 - write mutliple registers</title> |
|
||||||
<para> |
|
||||||
FC16 functionality example |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_fc16.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id example_fc23}"> |
|
||||||
<title>FC23 - read write registers</title> |
|
||||||
<para> |
|
||||||
FC23 functionality example |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_fc23.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id wago_example}"> |
|
||||||
<title>Dump of M-memory from WAGO 750-84x series coupler.</title> |
|
||||||
<para> |
|
||||||
Dump of M-memory from WAGO 750-84x series coupler. |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_750841_Mmemory.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
<refsect2 id="{@id datatype}"> |
|
||||||
<title>Data conversion to PHP types.</title> |
|
||||||
<para> |
|
||||||
Conversion of the data bytes, received from Modbus, to a PHP type. |
|
||||||
</para> |
|
||||||
<para> |
|
||||||
{@example example_datatype.php} |
|
||||||
</para> |
|
||||||
</refsect2> |
|
||||||
</refsect1> |
|
||||||
<refsect1 id="{@id back_comp}"> |
|
||||||
<title>Back compatibility</title> |
|
||||||
<para> |
|
||||||
This version is back compatible to the last versions. Just use |
|
||||||
<programlisting role="c"> |
|
||||||
<![CDATA[require_once dirname(__FILE__) . '/Phpmodbus/ModbusMasterUdp.php'; |
|
||||||
$modbus = new ModbusMasterUdp("192.168.1.1"); |
|
||||||
// ... ]]> |
|
||||||
</programlisting> |
|
||||||
</para> |
|
||||||
</refsect1> |
|
||||||
</refentry> |
|
||||||
|
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