Exemple #1
0
 public function set_options($options)
 {
     if (is_array($options)) {
         // Check for valid DIO attribute options
         foreach ($options as $key => $value) {
             // Validate option name
             if (!array_key_exists($key, self::$OPTIONS)) {
                 trigger_error("Invalid PHP Direct IO option specified '" . $key . "'", E_USER_WARNING);
                 return false;
             }
             // Validate option value
             if (!in_array($value, self::$OPTIONS[$key])) {
                 trigger_error("Invalid PHP Direct IO value specified for " . $key . " '" . $value . "'", E_USER_WARNING);
                 return false;
             }
         }
         // If all checks pass, set options
         $this->options = $options;
         dio_tcsetattr($this->serial, $options);
         return true;
     }
     return false;
 }
    echoFlush("PHP Direct IO does not appear to be installed for more info see: http://www.php.net/manual/en/book.dio.php");
    exit;
}
try {
    //the serial port resource
    $bbSerialPort;
    echoFlush("Connecting to serial port: {$portName}");
    if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
        $bbSerialPort = dio_open($portName, O_RDWR);
        //we're on windows configure com port from command line
        exec("mode {$portName} baud={$baudRate} data={$bits} stop={$spotBit} parity=n xon=on");
    } else {
        $bbSerialPort = dio_open($portName, O_RDWR | O_NOCTTY | O_NONBLOCK);
        dio_fcntl($bbSerialPort, F_SETFL, O_SYNC);
        //we're on 'nix configure com from php direct io function
        dio_tcsetattr($bbSerialPort, array('baud' => $baudRate, 'bits' => $bits, 'stop' => $spotBit, 'parity' => 0));
    }
    if (!$bbSerialPort) {
        echoFlush("Could not open Serial port {$portName} ");
        exit;
    }
    // send data
    $dataToSend = "4 ";
    echoFlush("Writing to serial port data: \"{$dataToSend}\"");
    $bytesSent = dio_write($bbSerialPort, $dataToSend);
    echoFlush("Sent: {$bytesSent} bytes");
    /*
    //date_default_timezone_set ("Europe/London");
    
    $runForSeconds = new DateInterval("PT10S"); //10 seconds
    $endTime = (new DateTime())->add($runForSeconds);
Exemple #3
0
<?php

$fd = dio_open('/dev/ttyS0', O_RDWR | O_NOCTTY | O_NONBLOCK);
dio_fcntl($fd, F_SETFL, O_SYNC);
dio_tcsetattr($fd, array('baud' => 9600, 'bits' => 8, 'stop' => 1, 'parity' => 0));
while (1) {
    $data = dio_read($fd, 256);
    if ($data) {
        echo $data;
    }
}