packages/web/353/php_top/usb10369a.php

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#!/usr/local/sbin/php -q
<?php
/*!***************************************************************************
*! FILE NAME  : usb10369a.php
*! DESCRIPTION: initializes USB hub on the 10369a board
*! Copyright (C) 2008 Elphel, Inc
*! -----------------------------------------------------------------------------**
*!
*!  This program is free software: you can redistribute it and/or modify
*!  it under the terms of the GNU General Public License as published by
*!  the Free Software Foundation, either version 3 of the License, or
*!  (at your option) any later version.
*!
*!  This program is distributed in the hope that it will be useful,
*!  but WITHOUT ANY WARRANTY; without even the implied warranty of
*!  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*!  GNU General Public License for more details.
*!
*!  You should have received a copy of the GNU General Public License
*!  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*! -----------------------------------------------------------------------------**
*!  $Log: usb10369a.php,v $
*!  Revision 1.2  2008/06/26 00:07:34  spectr_rain
*!  *** empty log message ***
*!
*!
*/
function smbus_send($a,$d) { // d - array
   $i2c_fn='/dev/xi2c8_aux';
   $i2c  = fopen($i2c_fn, 'w');
   fseek ($i2c, $a) ;
   $cmd=chr(count($d));
   foreach ($d as $b) $cmd.=chr($b);
//   var_dump($cmd);
   $res=fwrite($i2c, $cmd);
   fclose($i2c);
   return $res;
} // end of i2c_send()
      $base_addr=  0x2c00;
      $defaults=array(
        array("addr"=>0x0,"data"=>0x34), // VID_LSB
        array("addr"=>0x1,"data"=>0x12), // VID_MSB
        array("addr"=>0x6,"data"=>0x9b), // CONFIG_BYTE_1
        array("addr"=>0x7,"data"=>0x10), // CONFIG_BYTE_2
        array("addr"=>0x8,"data"=>0x0 ), // CONFIG_BYTE_3
        array("addr"=>0xff,"data"=>0x1 ) // CMD
      );
echo "<pre>\n";
      foreach ($defaults as $line) {
         $rslt=smbus_send($base_addr+$line["addr"],array($line["data"]+0)); 
         printf("smbus_send(0x%x,0x%x) returned %d\n",$base_addr+$line["addr"],$line["data"]+0,$rslt);
      }
echo "</pre>\n";
?>

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