Communication serie avec PHP

Fermé
laudens - 15 avril 2021 à 13:51
 laudens - 15 avril 2021 à 17:08
Bonjour,

j'essaye de me connecté à la classe php_serial.class.php et je reçoit une erreur
Fatal error: Array and string offset access syntax with curly braces is no longer supported in C:\xampp\htdocs\port\php_serial.class.php on line 293
et je ne sais quoi faire
Configuration: Windows / Edge 89.0.774.76

6 réponses

yg_be Messages postés 23317 Date d'inscription lundi 9 juin 2008 Statut Contributeur Dernière intervention 10 novembre 2024 Ambassadeur 1 552
15 avril 2021 à 14:53
bonjour,
peut-être montrer ton code, tout en tenant compte de ceci:
https://codes-sources.commentcamarche.net/faq/11288-les-balises-de-code
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Mini-chat</title>
</head>
<body>

<?php


$comPort = "COM1";

include ("php_serial.class.php");
$serial = new phpSerial;
$serial->deviceSet($comPort);

// On Windows (10 only?) all mode settings must be done in one go.
$cmd = "mode " . $comPort . " baud=115200 parity=n data=8 stop=1 to=off xon=off";
$serial->_exec($cmd);
$serial->deviceOpen();

echo "Waiting for data...\n";
sleep(2);
$serial->serialflush();

while(1)
{
$read = $serial->readPort();

if (strlen($read)!=0)
{
$fp = fopen("data.txt","w");
if ($fp!=false)
{
fwrite($fp,trim($read));
fclose($fp);
}
}
}

?>

</body>
</html>

                
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voilà le code je vous remercie
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yg_be Messages postés 23317 Date d'inscription lundi 9 juin 2008 Statut Contributeur Dernière intervention 10 novembre 2024 1 552
15 avril 2021 à 15:48
merci de lire et d'appliquer les explications en #1.
0
yg_be Messages postés 23317 Date d'inscription lundi 9 juin 2008 Statut Contributeur Dernière intervention 10 novembre 2024 1 552
Modifié le 15 avril 2021 à 15:53
se pourrait-il que tu utilises une ancienne version de php_serial.class.php?

peux-tu partager les lignes 290 à 300 du fichier C:\xampp\htdocs\port\php_serial.class.php?
0
d'accord

<?php
namespace phpSerial;

define("SERIAL_DEVICE_NOTSET", 0);
define("SERIAL_DEVICE_SET", 1);
define("SERIAL_DEVICE_OPENED", 2);

/**
  • Serial port control class

*
  • THIS PROGRAM COMES WITH ABSOLUTELY NO WARANTIES !
  • USE IT AT YOUR OWN RISKS !

*
  • Changes added by Rizwan Kassim <***@***> for OSX functionality
  • default serial device for osx devices is /dev/tty.serial for machines with a built in serial device

*
  • @author Rémy Sanchez <***@***>
  • @thanks Aurélien Derouineau for finding how to open serial ports with windows
  • @thanks Alec Avedisyan for help and testing with reading
  • @thanks Jim Wright for OSX cleanup/fixes.
  • @copyright under GPL 2 licence
  • /


class phpSerial
{
public $_device = null;
public $_windevice = null;
public $_dHandle = null;
public $_dState = SERIAL_DEVICE_NOTSET;
public $_buffer = "";
public $_os = "";

/**
  • This var says if buffer should be flushed by sendMessage (true) or manualy (false)

*
  • @var bool
  • /

public $autoflush = true;

/**
  • Constructor. Perform some checks about the OS and setserial

*
  • @return phpSerial
  • /

public function phpSerial ()
{
setlocale(LC_ALL, "en_US");

$sysname = php_uname();

if (substr($sysname, 0, 5) === "Linux") {
$this->_os = "linux";

if ($this->_exec("stty --version") === 0) {
register_shutdown_function(array($this, "deviceClose"));
} else {
trigger_error("No stty availible, unable to run.", E_USER_ERROR);
}
} elseif (substr($sysname, 0, 6) === "Darwin") {
$this->_os = "osx";
// We know stty is available in Darwin.
// stty returns 1 when run from php, because "stty: stdin isn't a
// terminal"
// skip this check
// if($this->_exec("stty") === 0)
// {
register_shutdown_function(array($this, "deviceClose"));
// }
// else
// {
// trigger_error("No stty availible, unable to run.", E_USER_ERROR);
// }
} elseif (substr($sysname, 0, 7) === "Windows") {
$this->_os = "windows";
register_shutdown_function(array($this, "deviceClose"));
} else {
trigger_error("Host OS is neither osx, linux nor windows, unable to run.", E_USER_ERROR);
exit();
}
}

//
// OPEN/CLOSE DEVICE SECTION -- {START}
//

/**
  • Device set function : used to set the device name/address.
  • -> linux : use the device address, like /dev/ttyS0
  • -> osx : use the device address, like /dev/tty.serial
  • -> windows : use the COMxx device name, like COM1 (can also be used
  • with linux)

*
  • @param string $device the name of the device to be used
  • @return bool
  • /

public function deviceSet ($device)
{
if ($this->_dState !== SERIAL_DEVICE_OPENED) {
if ($this->_os === "linux") {
if (preg_match("@^COM(\d+):?$@i", $device, $matches)) {
$device = "/dev/ttyS" . ($matches[1] - 1);
}

if ($this->_exec("stty -F " . $device) === 0) {
$this->_device = $device;
$this->_dState = SERIAL_DEVICE_SET;

return true;
}
} elseif ($this->_os === "osx") {
if ($this->_exec("stty -f " . $device) === 0) {
$this->_device = $device;
$this->_dState = SERIAL_DEVICE_SET;

return true;
}
} elseif ($this->_os === "windows") {
if (preg_match("@^COM(\d+):?$@i", $device, $matches) and $this->_exec(exec("mode " . $device . " xon=on BAUD=9600")) === 0) {
$this->_windevice = "COM" . $matches[1];
$this->_device = "\\.\com" . $matches[1];
$this->_dState = SERIAL_DEVICE_SET;

return true;
}
}

trigger_error("Specified serial port is not valid", E_USER_WARNING);

return false;
} else {
trigger_error("You must close your device before to set an other one", E_USER_WARNING);

return false;
}
}

/**
  • Opens the device for reading and/or writing.

*
  • @param string $mode Opening mode : same parameter as fopen()
  • @return bool
  • /

public function deviceOpen ($mode = "r+b")
{
if ($this->_dState === SERIAL_DEVICE_OPENED) {
trigger_error("The device is already opened", E_USER_NOTICE);

return true;
}

if ($this->_dState === SERIAL_DEVICE_NOTSET) {
trigger_error("The device must be set before to be open", E_USER_WARNING);

return false;
}

if (!preg_match("@^[raw]\+?b?$@", $mode)) {
trigger_error("Invalid opening mode : ".$mode.". Use fopen() modes.", E_USER_WARNING);

return false;
}

$this->_dHandle = @fopen($this->_device, $mode);

if ($this->_dHandle !== false) {
stream_set_blocking($this->_dHandle, 0);
$this->_dState = SERIAL_DEVICE_OPENED;

return true;
}

$this->_dHandle = null;
trigger_error("Unable to open the device", E_USER_WARNING);

return false;
}

/**
  • Closes the device

*
  • @return bool
  • /

public function deviceClose ()
{
if ($this->_dState !== SERIAL_DEVICE_OPENED) {
return true;
}

if (fclose($this->_dHandle)) {
$this->_dHandle = null;
$this->_dState = SERIAL_DEVICE_SET;

return true;
}

trigger_error("Unable to close the device", E_USER_ERROR);

return false;
}

//
// OPEN/CLOSE DEVICE SECTION -- {STOP}
//

//
// CONFIGURE SECTION -- {START}
//

/**
  • Configure the Baud Rate
  • Possible rates : 110, 150, 300, 600, 1200, 2400, 4800, 9600, 38400,
  • 57600 and 115200.

*
  • @param int $rate the rate to set the port in
  • @return bool
  • /

public function confBaudRate ($rate)
{
if ($this->_dState !== SERIAL_DEVICE_SET) {
trigger_error("Unable to set the baud rate : the device is either not set or opened", E_USER_WARNING);

return false;
}

$validBauds = array (
110 => 11,
150 => 15,
300 => 30,
600 => 60,
1200 => 12,
2400 => 24,
4800 => 48,
9600 => 96,
19200 => 19,
38400 => 38400,
57600 => 57600,
115200 => 115200
);

if (isset($validBauds[$rate])) {
if ($this->_os === "linux") {
$ret = $this->_exec("stty -F " . $this->_device . " " . (int) $rate, $out);
}
if ($this->_os === "osx") {
$ret = $this->_exec("stty -f " . $this->_device . " " . (int) $rate, $out);
} elseif ($this->_os === "windows") {
$ret = $this->_exec("mode " . $this->_windevice . " BAUD=" . $validBauds[$rate], $out);
} else {
return false;
}

if ($ret !== 0) {
trigger_error("Unable to set baud rate: " . $out[1], E_USER_WARNING);

return false;
}
}
}

/**
  • Configure parity.
  • Modes : odd, even, none

*
  • @param string $parity one of the modes
  • @return bool
  • /

public function confParity ($parity)
{
if ($this->_dState !== SERIAL_DEVICE_SET) {
trigger_error("Unable to set parity : the device is either not set or opened", E_USER_WARNING);

return false;
}

$args = array(
"none" => "-parenb",
"odd" => "parenb parodd",
"even" => "parenb -parodd",
);

if (!isset($args[$parity])) {
trigger_error("Parity mode not supported", E_USER_WARNING);

return false;
}

if ($this->_os === "linux") {
$ret = $this->_exec("stty -F " . $this->_device . " " . $args[$parity], $out);
} elseif ($this->_os === "osx") {
$ret = $this->_exec("stty -f " . $this->_device . " " . $args[$parity], $out);
} else {

$ret = $this->_exec("mode " . $this->_windevice ." PARITY=".$parity[0], $out);
}

if ($ret === 0) {
return true;
}

trigger_error("Unable to set parity : " . $out[1], E_USER_WARNING);

return false;
}

/**
  • Sets the length of a character.

*
  • @param int $int length of a character (5 <= length <= 8)
  • @return bool
  • /

public function confCharacterLength ($int)
{
if ($this->_dState !== SERIAL_DEVICE_SET) {
trigger_error("Unable to set length of a character : the device is either not set or opened", E_USER_WARNING);

return false;
}

$int = (int) $int;
if ($int < 5) {
$int = 5;
} elseif ($int > 8) {
$int = 8;
}

if ($this->_os === "linux") {
$ret = $this->_exec("stty -F " . $this->_device . " cs" . $int, $out);
} elseif ($this->_os === "osx") {
$ret = $this->_exec("stty -f " . $this->_device . " cs" . $int, $out);
} else {
$ret = $this->_exec("mode " . $this->_windevice . " DATA=" . $int, $out);
}

if ($ret === 0) {
return true;
}

trigger_error("Unable to set character length : " .$out[1], E_USER_WARNING);

return false;
}

/**
  • Sets the length of stop bits.

*
  • @param float $length the length of a stop bit. It must be either 1,
  • 1.5 or 2. 1.5 is not supported under linux and on some computers.
  • @return bool
  • /

public function confStopBits ($length)
{
if ($this->_dState !== SERIAL_DEVICE_SET) {
trigger_error("Unable to set the length of a stop bit : the device is either not set or opened", E_USER_WARNING);

return false;
}

if ($length != 1 and $length != 2 and $length != 1.5 and !($length == 1.5 and $this->_os === "linux")) {
trigger_error("Specified stop bit length is invalid", E_USER_WARNING);

return false;
}

if ($this->_os === "linux") {
$ret = $this->_exec("stty -F " . $this->_device . " " . (($length == 1) ? "-" : "") . "cstopb", $out);
} elseif ($this->_os === "osx") {
$ret = $this->_exec("stty -f " . $this->_device . " " . (($length == 1) ? "-" : "") . "cstopb", $out);
} else {
$ret = $this->_exec("mode " . $this->_windevice . " STOP=" . $length, $out);
}

if ($ret === 0) {
return true;
}

trigger_error("Unable to set stop bit length : " . $out[1], E_USER_WARNING);

return false;
}

/**
  • Configures the flow control

*
  • @param string $mode Set the flow control mode. Availible modes :
  • -> "none" : no flow control
  • -> "rts/cts" : use RTS/CTS handshaking
  • -> "xon/xoff" : use XON/XOFF protocol
  • @return bool
  • /

public function confFlowControl ($mode)
{
if ($this->_dState !== SERIAL_DEVICE_SET) {
trigger_error("Unable to set flow control mode : the device is either not set or opened", E_USER_WARNING);

return false;
}

$linuxModes = array(
"none" => "clocal -crtscts -ixon -ixoff",
"rts/cts" => "-clocal crtscts -ixon -ixoff",
"xon/xoff" => "-clocal -crtscts ixon ixoff"
);
$windowsModes = array(
"none" => "xon=off octs=off rts=on",
"rts/cts" => "xon=off octs=on rts=hs",
"xon/xoff" => "xon=on octs=off rts=on",
);

if ($mode !== "none" and $mode !== "rts/cts" and $mode !== "xon/xoff") {
trigger_error("Invalid flow control mode specified", E_USER_ERROR);

return false;
}

if ($this->_os === "linux") {
$ret = $this->_exec("stty -F " . $this->_device . " " . $linuxModes[$mode], $out);
} elseif ($this->_os === "osx") {
$ret = $this->_exec("stty -f " . $this->_device . " " . $linuxModes[$mode], $out);
} else {
$ret = $this->_exec("mode " . $this->_windevice . " " . $windowsModes[$mode], $out);
}
if ($ret === 0) {
return true;
} else {
trigger_error("Unable to set flow control : " . $out[1], E_USER_ERROR);

return false;
}
}

/**
  • Sets a setserial parameter (cf man setserial)
  • NO MORE USEFUL !
  • -> No longer supported
  • -> Only use it if you need it

*
  • @param string $param parameter name
  • @param string $arg parameter value
  • @return bool
  • /

public function setSetserialFlag ($param, $arg = "")
{
if (!$this->_ckOpened()) {
return false;
}

$return = exec("setserial " . $this->_device . " " . $param . " " . $arg . " 2>&1");

if ($return[0] === "I") {
trigger_error("setserial: Invalid flag", E_USER_WARNING);

return false;
} elseif ($return[0] === "/") {
trigger_error("setserial: Error with device file", E_USER_WARNING);

return false;
} else {
return true;
}
}

//
// CONFIGURE SECTION -- {STOP}
//

//
// I/O SECTION -- {START}
//

/**
  • Sends a string to the device

*
  • @param string $str string to be sent to the device
  • @param float $waitForReply time to wait for the reply (in seconds)
  • /

public function sendMessage ($str, $waitForReply = 0.1)
{
$this->_buffer .= $str;

if ($this->autoflush === true) {
$this->serialflush();
}

usleep((int) ($waitForReply * 1000000));
}

/**
  • Reads the port until no new datas are availible, then return the content.

*
  • @pararm int $count number of characters to be read (will stop before
  • if less characters are in the buffer)
  • @return string
  • /

public function readPort ($count = 0)
{
if ($this->_dState !== SERIAL_DEVICE_OPENED) {
trigger_error("Device must be opened to read it", E_USER_WARNING);

return false;
}

if ($this->_os === "linux" || $this->_os === "osx") {
// Behavior in OSX isn't to wait for new data to recover, but just grabs what's there!
// Doesn't always work perfectly for me in OSX
$content = "";
$i = 0;

if ($count !== 0) {
do {
if ($i > $count) {
$content .= fread($this->_dHandle, ($count - $i));
} else {
$content .= fread($this->_dHandle, 128);
}
} while (($i += 128) === strlen($content));
} else {
do {
$content .= fread($this->_dHandle, 128);
} while (($i += 128) === strlen($content));
}

return $content;
} elseif ($this->_os === "windows") {
// Windows port reading procedures still buggy
$content = "";
$i = 0;

if ($count !== 0) {
do {
if ($i > $count) {
$content .= fread($this->_dHandle, ($count - $i));
} else {
$content .= fread($this->_dHandle, 128);
}
} while (($i += 128) === strlen($content));
} else {
do {
$content .= fread($this->_dHandle, 128);
} while (($i += 128) === strlen($content));
}

return $content;
}

return false;
}

/**
  • Flushes the output buffer
  • Renamed from flush for osx compat. issues

*
  • @return bool
  • /

public function serialflush ()
{
if (!$this->_ckOpened()) {
return false;
}

if (fwrite($this->_dHandle, $this->_buffer) !== false) {
$this->_buffer = "";

return true;
} else {
$this->_buffer = "";
trigger_error("Error while sending message", E_USER_WARNING);

return false;
}
}

//
// I/O SECTION -- {STOP}
//

//
// INTERNAL TOOLKIT -- {START}
//

public function _ckOpened()
{
if ($this->_dState !== SERIAL_DEVICE_OPENED) {
trigger_error("Device must be opened", E_USER_WARNING);

return false;
}

return true;
}

public function _ckClosed()
{
if ($this->_dState !== SERIAL_DEVICE_CLOSED) {
trigger_error("Device must be closed", E_USER_WARNING);

return false;
}

return true;
}

public function _exec($cmd, &$out = null)
{
$desc = array(
1 => array("pipe", "w"),
2 => array("pipe", "w")
);

$proc = proc_open($cmd, $desc, $pipes);

$ret = stream_get_contents($pipes[1]);
$err = stream_get_contents($pipes[2]);

fclose($pipes[1]);
fclose($pipes[2]);

$retVal = proc_close($proc);

if (func_num_args() == 2) {
$out = array($ret, $err);
}

return $retVal;
}

//
// INTERNAL TOOLKIT -- {STOP}
//
}
?>
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voilà ce code merci de votre attention
0
si possible svp je pourrai avoir un lien qui me permettra de télécharger la nouvelle version de php_serial.class.php
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