WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0

Read a temperature from a device on the onewire bus

$device_id: Array of 8 integers containing the unique onewire device id. This is optional and it will otherwise send a wildcard to read the first device that response, which would work if only one temperature sensor was present.

A float value containing the temperature read from the sensor

<pre><?
 
  $res=ow_read_temp();
  print("Temperature is ".$res);
 
  $dev=array(0xA0,0x00,0x00,0x04,0x80,0x57,0x77,0x35);
  $res=ow_read_temp($dev);
  print("Temperature for device is ".$res);
 
?>

ow_first() - Get the first device on the bus

ow_next() - Get next device on bus

ow_read() - Read a byte from a device

ow_reset() - Reset the onewire bus

ow_write() - Write to onewire bus