EEEF(3)

General EE device

EE [.]XXXXXXXXXXXX[XX][/[ temperature | version | type_number | temperature_offset |

See the file man3/standard_mini.3so.

]]

UVI sensor

EE [.]XXXXXXXXXXXX[XX][/[ UVI/UVI | UVI/UVI_offset | UVI/in_case | UVI/valid | temperature | version | type_number | temperature_offset ]]

General EF device

EF [.]XXXXXXXXXXXX[XX][/[ version | type_number |

See the file man3/standard_mini.3so.

]]

Moisture Meter

moisture/sensor.[0-3|ALL]
moisture/is_moisture.[0-3|ALL|BYTE] | moisture/is_leaf.[0-3|ALL|BYTE]
moisture/calibrate/min | moisture/calibrate/max | moisture/calibrate/raw.[0-4|ALL]

Hub

hub/branch.[0-3|ALL|BYTE] | hub/short.[0-3|ALL|BYTE]

temperature

read-only, floating point
Temperature read every 30 seconds. Resolution .5C (uses an on-board DS18B20). Temperature is only present in the EE-series devices.

temperature_offset

read-write, floating point
Offset stored on device to apply to temperature readings.

UVI/UVI

read-only floating point
UV Index (ultraviolet index) in the range 0.0 to 16.0 resolution .1

Only the UVI version of the EE device has a UVI sensor. Readings made every .5 seconds.

UVI/UVI_offset

read-write, floating point
Signed offset to apply to the UVI measurement. Stored on-device non-volatile.

UVI/in_case

read-write, yes-no
Flag to apply compensation for the protective case. Stored on-device non-volatile.

UVI/valid

read-only, yes-no Flag the the EE device type matches the known UVI type.

moisture/sensor.0 .. moisture/sensor.3 moisture/sensor.ALL

read-only integer
Up to 4 sensors reading moisture can be attached. OWFS addresses the sensors as 0 through 3 while the datasheet uses 1-4. Two types of external sensors are supported (and the data range):

Watermark Soil Moisture Sensor

0-199

Leaf Wetness Sensor

0-99

moisture/is_moisture.0 .. moisture/is_moisture.3 moisture/is_moisture.ALL

moisture/is_leaf.0 .. moisture/is_leaf.3 moisture/is_leaf.ALL

read-write yes_no
Set or get the type of sensor attached to each channel. Note that OWFS addresses the sensors as 0 through 3 while the datasheet uses 1-4. Two types of external sensors are supported:

Watermark Soil Moisture

Sensor

Leaf Wetness

Sensor

Note that is_leaf and is_moisture are complementary and clearing one sets the other.

moisture/calibrate/min

moisture/calibrate/max

read-write unsigned integer
Set or get the upper and lower range for the raw data for leaf wetness scaling. See the datasheet for details.

moisture/calibrate/raw.0 .. moisture/calibrate/raw.3 moisture/calibrate/raw.ALL

read-only unsigned integer
Read the raw leaf wetness values for setting scaling. See the datasheet for details. Note that OWFS addresses the sensors as 0 through 3 while the datasheet uses 1-4.

hub/branch.0 .. hub/branch.3 hub/branch.ALL hub/branch.BYTE

read-write, yes-no
The HobbyBoards hub has four 1-wire bus lines. Each branch is electricaly isolated from reflections and shorts, and can be optionally excluded from the 1-wire network.

You can turn each branch on or off by writing 0 (off) or 1 (on) to the corresponding property. Note that OWFS indexes the branches 0 to 3 while the datasheet uses 1 to 4.

The easiest way to turn all the branches on is to write 15 (0x0F) to hub/branch.BYTE

hub/short.0 .. hub/short.3 hub/short.ALL hub/short.BYTE

read-only, yes-no
Is the corresponding branch in "short" condition? (Electrically shorted out).

version

read-only, ascii
Firmware version for the EE/EF device. Reported in nn.nn format where nn is major/minor decimal value.

Note: This format was changed as of version owfs-2.9p6 at the request of the HobbyBoards. Formerly reported in HH.HH format where HH is a hex digit (0-9A-F).

type_number

read-only, integer
Index of the type of sensor built into this device. Current known assignments:

1

UVI (Ultraviolet index)

2

Moisture meter

3

Moisture meter with datalogger

4

Sniffer

5

Hub

EE / EF

The EEEF (3) are a reference platform of microprocessor based 1-wire slaves. In general they require external power, and have an on-board index for the specific capabilities. They are designed by Eric Vickery at HobbyBoards.com

The EE class device uses family code EE and has an included temperature sensor. The EF devices have no temperature sensor,

UVI

The UVI sensor is an implementation of the EE class device with Ultra Violet Index sensing. All it's specific properties are in the UVI/ directory.