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

Start a new OneWire bus scan and return the first device. Currently only DS18B20 temperature sensors are detectable.

none

An array of 8 elements containing the unique onewire address. Returns 0 if no devices were detected

<pre><?
  $arr=ow_first();
  if ($arr) {
    $devname=sprintf("%02X%02X%02X%02X%02X%02X%02X%02X",$arr[0],$arr[1],$arr[2],$arr[3],$arr[4],$arr[5],$arr[6],$arr[7]);
    print("Detected Onewire device ".$devname);
  } else print("No devices detected.");
?>

ow_next() - Get next onewire device

ow_read() - Read from onewire bus

ow_read_temp() - Read a temperature from a device

ow_reset() - Reset the onewire bus

ow_write() - Write to onewire bus