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Cleaned up the code, fixed broken phpdoc tags, formatting

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pull/1/head 0.9.1
Ondřej Hruška 9 years ago
parent 7d058ee526
commit dd5a892fb6
6 changed files with 1745 additions and 1666 deletions
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  1. 1
      .gitignore
  2. 63
      src/IecType.php
  3. 526
      src/ModbusMaster.php
  4. 9
      src/ModbusMasterTcp.php
  5. 10
      src/ModbusMasterUdp.php
  6. 94
      src/PhpType.php

1
.gitignore vendored
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@ -1,4 +1,5 @@
/vendor /vendor
composer.lock composer.lock
.idea/
*~ *~

63
src/IecType.php
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@ -26,18 +26,19 @@ namespace PHPModbus;
* @copyright Copyright (c) 2004, 2010 Jan Krakora * @copyright Copyright (c) 2004, 2010 Jan Krakora
* @package Phpmodbus * @package Phpmodbus
*/ */
class IecType { class IecType
{
/** /**
* iecBYTE * iecBYTE
* *
* Converts a value to IEC-1131 BYTE data type * Converts a value to IEC-1131 BYTE data type
* *
* @param value value from 0 to 255 * @param int $value from 0 to 255
* @return value IEC BYTE data type * @return int IEC BYTE data type
* *
*/ */
public static function iecBYTE($value) { public static function iecBYTE($value)
{
return chr($value & 0xFF); return chr($value & 0xFF);
} }
@ -46,11 +47,12 @@ class IecType {
* *
* Converts a value to IEC-1131 INT data type * Converts a value to IEC-1131 INT data type
* *
* @param value value to be converted * @param int $value to be converted
* @return value IEC-1131 INT data type * @return int IEC-1131 INT data type
* *
*/ */
public static function iecINT($value) { public static function iecINT($value)
{
return self::iecBYTE(($value >> 8) & 0x00FF) . return self::iecBYTE(($value >> 8) & 0x00FF) .
self::iecBYTE(($value & 0x00FF)); self::iecBYTE(($value & 0x00FF));
} }
@ -60,14 +62,15 @@ class IecType {
* *
* Converts a value to IEC-1131 DINT data type * Converts a value to IEC-1131 DINT data type
* *
* @param value value to be converted * @param int $value to be converted
* @param value endianness defines endian codding (little endian == 0, big endian == 1) * @param int $bigEndian defines endian codding (little endian == 0, big endian == 1)
* @return value IEC-1131 INT data type * @return int IEC-1131 INT data type
* *
*/ */
public static function iecDINT($value, $endianness = 0) { public static function iecDINT($value, $bigEndian = 0)
{
// result with right endianness // result with right endianness
return self::endianness($value, $endianness); return self::endianness($value, $bigEndian);
} }
/** /**
@ -75,15 +78,16 @@ class IecType {
* *
* Converts a value to IEC-1131 REAL data type. The function uses function @use float2iecReal. * Converts a value to IEC-1131 REAL data type. The function uses function @use float2iecReal.
* *
* @param value value to be converted * @param int $value to be converted
* @param value endianness defines endian codding (little endian == 0, big endian == 1) * @param bool $bigEndian defines endian codding (little endian == 0, big endian == 1)
* @return value IEC-1131 REAL data type * @return int IEC-1131 REAL data type
*/ */
public static function iecREAL($value, $endianness = 0) { public static function iecREAL($value, $bigEndian = 0)
{
// iecREAL representation // iecREAL representation
$real = self::float2iecReal($value); $real = self::float2iecReal($value);
// result with right endianness // result with right endianness
return self::endianness($real, $endianness); return self::endianness($real, $bigEndian);
} }
/** /**
@ -92,13 +96,15 @@ class IecType {
* This function converts float value to IEC-1131 REAL single precision form. * This function converts float value to IEC-1131 REAL single precision form.
* *
* For more see [{@link http://en.wikipedia.org/wiki/Single_precision Single precision on Wiki}] or * 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 * [{@link http://de.php.net/manual/en/function.base-convert.php PHP base_convert function commentary}, Todd Stokes
* @ Georgia Tech 21-Nov-2007] or
* [{@link http://www.php.net/manual/en/function.pack.php PHP pack/unpack functionality}] * [{@link http://www.php.net/manual/en/function.pack.php PHP pack/unpack functionality}]
* *
* @param float value to be converted * @param float $value to be converted
* @return value IEC REAL data type * @return int IEC REAL data type
*/ */
private static function float2iecReal($value) { private static function float2iecReal($value)
{
// get float binary string // get float binary string
$float = pack("f", $value); $float = pack("f", $value);
// set 32-bit unsigned integer of the float // set 32-bit unsigned integer of the float
@ -113,24 +119,23 @@ class IecType {
* For more see http://en.wikipedia.org/wiki/Endianness * For more see http://en.wikipedia.org/wiki/Endianness
* *
* @param int $value * @param int $value
* @param bool $endianness * @param bool $bigEndian
* @return int * @return int
*/ */
private static function endianness($value, $endianness = 0) { private static function endianness($value, $bigEndian = 0)
if ($endianness == 0) {
if ($bigEndian == 0) {
return return
self::iecBYTE(($value >> 8) & 0x000000FF) . self::iecBYTE(($value >> 8) & 0x000000FF) .
self::iecBYTE(($value & 0x000000FF)) . self::iecBYTE(($value & 0x000000FF)) .
self::iecBYTE(($value >> 24) & 0x000000FF) . self::iecBYTE(($value >> 24) & 0x000000FF) .
self::iecBYTE(($value >> 16) & 0x000000FF); self::iecBYTE(($value >> 16) & 0x000000FF);
else } else {
return return
self::iecBYTE(($value >> 24) & 0x000000FF) . self::iecBYTE(($value >> 24) & 0x000000FF) .
self::iecBYTE(($value >> 16) & 0x000000FF) . self::iecBYTE(($value >> 16) & 0x000000FF) .
self::iecBYTE(($value >> 8) & 0x000000FF) . self::iecBYTE(($value >> 8) & 0x000000FF) .
self::iecBYTE(($value & 0x000000FF)); self::iecBYTE(($value & 0x000000FF));
} }
} }
}
?>

526
src/ModbusMaster.php
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9
src/ModbusMasterTcp.php
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@ -35,7 +35,8 @@ namespace PHPModbus;
* @package Phpmodbus * @package Phpmodbus
* *
*/ */
class ModbusMasterTcp extends ModbusMaster { class ModbusMasterTcp extends ModbusMaster
{
/** /**
* ModbusMasterTcp * ModbusMasterTcp
* *
@ -43,8 +44,8 @@ class ModbusMasterTcp extends ModbusMaster {
* *
* @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){ public function __construct($host)
$this->host = $host; {
$this->socket_protocol = "TCP"; parent::__construct($host, "TCP");
} }
} }

10
src/ModbusMasterUdp.php
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@ -35,8 +35,8 @@ namespace PHPModbus;
* @package Phpmodbus * @package Phpmodbus
* *
*/ */
class ModbusMasterUdp extends ModbusMaster { class ModbusMasterUdp extends ModbusMaster
{
/** /**
* ModbusMasterUdp * ModbusMasterUdp
* *
@ -44,8 +44,8 @@ class ModbusMasterUdp extends ModbusMaster {
* *
* @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){ public function __construct($host)
$this->host = $host; {
$this->socket_protocol = "UDP"; parent::__construct($host, "UDP");
} }
} }

94
src/PhpType.php
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@ -1,6 +1,7 @@
<?php <?php
namespace PHPModbus; namespace PHPModbus;
use Exception;
/** /**
* Phpmodbus Copyright (c) 2004, 2012 Jan Krakora * Phpmodbus Copyright (c) 2004, 2012 Jan Krakora
@ -28,8 +29,8 @@ namespace PHPModbus;
* @package Phpmodbus * @package Phpmodbus
* *
*/ */
class PhpType { class PhpType
{
/** /**
* bytes2float * bytes2float
* *
@ -37,17 +38,15 @@ class PhpType {
* depends on order of the input bytes (endianning). * depends on order of the input bytes (endianning).
* *
* @param array $values * @param array $values
* @param bool $endianness * @param bool $bigEndian
* @return float * @return float
*/ */
public static function bytes2float($values, $endianness = 0) { public static function bytes2float($values, $bigEndian = 0)
$data = array(); {
$real = 0;
// Set the array to correct form // Set the array to correct form
$data = self::checkData($values); $data = self::checkData($values);
// Combine bytes // Combine bytes
$real = self::combineBytes($data, $endianness); $real = self::combineBytes($data, $bigEndian);
// Convert the real value to float // Convert the real value to float
return (float)self::real2float($real); return (float)self::real2float($real);
} }
@ -59,16 +58,17 @@ class PhpType {
* The return value depends on order of the input bytes (endianning). * The return value depends on order of the input bytes (endianning).
* *
* @param array $values * @param array $values
* @param bool $endianness * @param bool $bigEndian
* @return int * @return int
*/ */
public static function bytes2signedInt($values, $endianness = 0) { public static function bytes2signedInt($values, $bigEndian = 0)
{
$data = array(); $data = array();
$int = 0; $int = 0;
// Set the array to correct form // Set the array to correct form
$data = self::checkData($values); $data = self::checkData($values);
// Combine bytes // Combine bytes
$int = self::combineBytes($data, $endianness); $int = self::combineBytes($data, $bigEndian);
// In the case of signed 2 byte value convert it to 4 byte one // In the case of signed 2 byte value convert it to 4 byte one
if ((count($values) == 2) && ((0x8000 & $int) > 0)) { if ((count($values) == 2) && ((0x8000 & $int) > 0)) {
$int = 0xFFFF8000 | $int; $int = 0xFFFF8000 | $int;
@ -84,16 +84,17 @@ class PhpType {
* The return value depends on order of the input bytes (endianning). * The return value depends on order of the input bytes (endianning).
* *
* @param array $values * @param array $values
* @param bool $endianness * @param bool $bigEndian
* @return int|float * @return int|float
*/ */
public static function bytes2unsignedInt($values, $endianness = 0) { public static function bytes2unsignedInt($values, $bigEndian = 0)
{
$data = array(); $data = array();
$int = 0; $int = 0;
// Set the array to correct form // Set the array to correct form
$data = self::checkData($values); $data = self::checkData($values);
// Combine bytes // Combine bytes
$int = self::combineBytes($data, $endianness); $int = self::combineBytes($data, $bigEndian);
// Convert the value // Convert the value
return self::dword2unsignedInt($int); return self::dword2unsignedInt($int);
} }
@ -105,35 +106,39 @@ class PhpType {
* the end of the string by 0x00 character as defined by string standards. * the end of the string by 0x00 character as defined by string standards.
* *
* @param array $values * @param array $values
* @param bool $endianness * @param bool $bigEndian
* @return string * @return string
*/ */
public static function bytes2string($values, $endianness = 0) { public static function bytes2string($values, $bigEndian = 0)
{
// Prepare string variable // Prepare string variable
$str = ""; $str = "";
// Parse the received data word array // Parse the received data word array
for ($i = 0; $i < count($values); $i += 2) { for ($i = 0; $i < count($values); $i += 2) {
if ($endianness) { if ($bigEndian) {
if($values[$i] != 0) if ($values[$i] != 0) {
$str .= chr($values[$i]); $str .= chr($values[$i]);
else } else {
break; break;
if($values[$i+1] != 0) }
if ($values[$i + 1] != 0) {
$str .= chr($values[$i + 1]); $str .= chr($values[$i + 1]);
else } else {
break; break;
} }
else { } else {
if($values[$i+1] != 0) if ($values[$i + 1] != 0) {
$str .= chr($values[$i + 1]); $str .= chr($values[$i + 1]);
else } else {
break; break;
if($values[$i] != 0) }
if ($values[$i] != 0) {
$str .= chr($values[$i]); $str .= chr($values[$i]);
else } else {
break; break;
} }
} }
}
// return string // return string
return $str; return $str;
} }
@ -144,13 +149,15 @@ class PhpType {
* This function converts a value in IEC-1131 REAL single precision form to float. * This function converts a value in IEC-1131 REAL single precision form to float.
* *
* For more see [{@link http://en.wikipedia.org/wiki/Single_precision Single precision on Wiki}] or * 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 * [{@link http://de.php.net/manual/en/function.base-convert.php PHP base_convert function commentary}, Todd Stokes
* @ Georgia Tech 21-Nov-2007] or
* [{@link http://www.php.net/manual/en/function.pack.php PHP pack/unpack functionality}] * [{@link http://www.php.net/manual/en/function.pack.php PHP pack/unpack functionality}]
* *
* @param value value in IEC REAL data type to be converted * @param int $value in IEC REAL data type to be converted
* @return float float value * @return float float value
*/ */
private static function real2float($value) { private static function real2float($value)
{
// get unsigned long // get unsigned long
$ulong = pack("L", $value); $ulong = pack("L", $value);
// set float // set float
@ -167,7 +174,8 @@ class PhpType {
* @param int $value * @param int $value
* @return int * @return int
*/ */
private static function dword2signedInt($value) { private static function dword2signedInt($value)
{
if ((0x80000000 & $value) != 0) { if ((0x80000000 & $value) != 0) {
return -(0x7FFFFFFF & ~$value) - 1; return -(0x7FFFFFFF & ~$value) - 1;
} else { } else {
@ -183,7 +191,8 @@ class PhpType {
* @param int $value * @param int $value
* @return int|float * @return int|float
*/ */
private static function dword2unsignedInt($value) { private static function dword2unsignedInt($value)
{
if ((0x80000000 & $value) != 0) { if ((0x80000000 & $value) != 0) {
return ((float)(0x7FFFFFFF & $value)) + 2147483648; return ((float)(0x7FFFFFFF & $value)) + 2147483648;
} else { } else {
@ -196,15 +205,18 @@ class PhpType {
* *
* Check if the data variable is array, and check if the values are numeric * Check if the data variable is array, and check if the values are numeric
* *
* @param int $data * @param int[] $data
* @return int * @return int
* @throws Exception
*/ */
private static function checkData($data) { private static function checkData($data)
{
// Check the data // Check the data
if (!is_array($data) || if (!is_array($data) ||
count($data) < 2 || count($data) < 2 ||
count($data) > 4 || count($data) > 4 ||
count($data)==3) { count($data) == 3
) {
throw new Exception('The input data should be an array of 2 or 4 bytes.'); throw new Exception('The input data should be an array of 2 or 4 bytes.');
} }
// Fill the rest of array by zeroes // Fill the rest of array by zeroes
@ -216,7 +228,8 @@ class PhpType {
if (!is_numeric($data[0]) || if (!is_numeric($data[0]) ||
!is_numeric($data[1]) || !is_numeric($data[1]) ||
!is_numeric($data[2]) || !is_numeric($data[2]) ||
!is_numeric($data[3])) { !is_numeric($data[3])
) {
throw new Exception('Data are not numeric or the array keys are not indexed by 0,1,2 and 3'); throw new Exception('Data are not numeric or the array keys are not indexed by 0,1,2 and 3');
} }
@ -229,24 +242,25 @@ class PhpType {
* Combine bytes together * Combine bytes together
* *
* @param int $data * @param int $data
* @param bool $endianness * @param bool $bigEndian
* @return int * @return int
*/ */
private static function combineBytes($data, $endianness) { private static function combineBytes($data, $bigEndian)
{
$value = 0; $value = 0;
// Combine bytes // Combine bytes
if ($endianness == 0) if ($bigEndian == 0) {
$value = (($data[3] & 0xFF) << 16) | $value = (($data[3] & 0xFF) << 16) |
(($data[2] & 0xFF) << 24) | (($data[2] & 0xFF) << 24) |
(($data[1] & 0xFF)) | (($data[1] & 0xFF)) |
(($data[0] & 0xFF) << 8); (($data[0] & 0xFF) << 8);
else } else {
$value = (($data[3] & 0xFF) << 24) | $value = (($data[3] & 0xFF) << 24) |
(($data[2] & 0xFF) << 16) | (($data[2] & 0xFF) << 16) |
(($data[1] & 0xFF) << 8) | (($data[1] & 0xFF) << 8) |
(($data[0] & 0xFF)); (($data[0] & 0xFF));
}
return $value; return $value;
} }
} }
?>
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