======ow_read_temp====== WMPRO >= 1.0 WMMEGA FW >= 2.0 Read a temperature from a device on the OneWire bus ====Description==== float ow_read_temp ( [ array $device_id ] ) ====Parameter==== $device_id: An array of 8 elements containing the unique OneWire address (optional). If not specified the function will send a wildcard to read the first device that responds, which will work if only one temperature sensor is present. ====Return Values==== A float value containing the temperature in degrees Celsius ====Examples====

====See Also==== [[ow_first()]] - Initiate a OneWire bus scan and return the address of the first device found [[ow_next()]] - Return the address of the next OneWire device found (after an ow_first) [[ow_read()]] - Read a byte from the OneWire bus [[ow_reset()]] - Reset the OneWire bus [[ow_write()]] - Write a byte to the OneWire bus