co2_bricklet

func (*CO2Bricklet) DeregisterCO2ConcentrationCallback ¶

func (device *CO2Bricklet) DeregisterCO2ConcentrationCallback(registrationId uint64)

Remove a registered CO2 Concentration callback.

func (*CO2Bricklet) DeregisterCO2ConcentrationReachedCallback ¶

func (device *CO2Bricklet) DeregisterCO2ConcentrationReachedCallback(registrationId uint64)

Remove a registered CO2 Concentration Reached callback.

func (*CO2Bricklet) GetAPIVersion ¶

func (device *CO2Bricklet) GetAPIVersion() [3]uint8

Returns the version of the API definition (major, minor, revision) implemented by this API bindings. This is neither the release version of this API bindings nor does it tell you anything about the represented Brick or Bricklet.

func (*CO2Bricklet) GetCO2Concentration ¶

func (device *CO2Bricklet) GetCO2Concentration() (co2Concentration uint16, err error)

Returns the measured CO2 concentration.

If you want to get the CO2 concentration periodically, it is recommended to use the RegisterCO2ConcentrationCallback callback and set the period with SetCO2ConcentrationCallbackPeriod.

func (*CO2Bricklet) GetCO2ConcentrationCallbackPeriod ¶

func (device *CO2Bricklet) GetCO2ConcentrationCallbackPeriod() (period uint32, err error)

Returns the period as set by SetCO2ConcentrationCallbackPeriod.

func (*CO2Bricklet) GetCO2ConcentrationCallbackThreshold ¶

func (device *CO2Bricklet) GetCO2ConcentrationCallbackThreshold() (option ThresholdOption, min uint16, max uint16, err error)

Returns the threshold as set by SetCO2ConcentrationCallbackThreshold.

Associated constants:

• ThresholdOptionOff
• ThresholdOptionOutside
• ThresholdOptionInside
• ThresholdOptionSmaller
• ThresholdOptionGreater

func (*CO2Bricklet) GetDebouncePeriod ¶

func (device *CO2Bricklet) GetDebouncePeriod() (debounce uint32, err error)

Returns the debounce period as set by SetDebouncePeriod.

func (*CO2Bricklet) GetIdentity ¶

func (device *CO2Bricklet) GetIdentity() (uid string, connectedUid string, position rune, hardwareVersion [3]uint8, firmwareVersion [3]uint8, deviceIdentifier uint16, err error)

Returns the UID, the UID where the Bricklet is connected to, the position, the hardware and firmware version as well as the device identifier.

The position can be 'a', 'b', 'c', 'd', 'e', 'f', 'g' or 'h' (Bricklet Port). A Bricklet connected to an `Isolator Bricklet <isolator_bricklet>` is always at position 'z'.

The device identifier numbers can be found `here <device_identifier>`. |device_identifier_constant|

func (*CO2Bricklet) GetResponseExpected ¶

func (device *CO2Bricklet) GetResponseExpected(functionID Function) (bool, error)

Returns the response expected flag for the function specified by the function ID parameter. It is true if the function is expected to send a response, false otherwise.

For getter functions this is enabled by default and cannot be disabled, because those functions will always send a response. For callback configuration functions it is enabled by default too, but can be disabled by SetResponseExpected. For setter functions it is disabled by default and can be enabled.

Enabling the response expected flag for a setter function allows to detect timeouts and other error conditions calls of this setter as well. The device will then send a response for this purpose. If this flag is disabled for a setter function then no response is sent and errors are silently ignored, because they cannot be detected.

See SetResponseExpected for the list of function ID constants available for this function.

func (*CO2Bricklet) RegisterCO2ConcentrationCallback ¶

func (device *CO2Bricklet) RegisterCO2ConcentrationCallback(fn func(uint16)) uint64

This callback is triggered periodically with the period that is set by SetCO2ConcentrationCallbackPeriod. The parameter is the CO2 concentration of the sensor.

The RegisterCO2ConcentrationCallback callback is only triggered if the CO2 concentration has changed since the last triggering.

func (*CO2Bricklet) RegisterCO2ConcentrationReachedCallback ¶

func (device *CO2Bricklet) RegisterCO2ConcentrationReachedCallback(fn func(uint16)) uint64

This callback is triggered when the threshold as set by SetCO2ConcentrationCallbackThreshold is reached. The parameter is the CO2 concentration.

If the threshold keeps being reached, the callback is triggered periodically with the period as set by SetDebouncePeriod.

func (*CO2Bricklet) SetCO2ConcentrationCallbackPeriod ¶

func (device *CO2Bricklet) SetCO2ConcentrationCallbackPeriod(period uint32) (err error)

Sets the period with which the RegisterCO2ConcentrationCallback callback is triggered periodically. A value of 0 turns the callback off.

The RegisterCO2ConcentrationCallback callback is only triggered if the CO2 concentration has changed since the last triggering.

func (*CO2Bricklet) SetCO2ConcentrationCallbackThreshold ¶

func (device *CO2Bricklet) SetCO2ConcentrationCallbackThreshold(option ThresholdOption, min uint16, max uint16) (err error)

Sets the thresholds for the RegisterCO2ConcentrationReachedCallback callback.

The following options are possible:

Option| Description
--- | ---
'x'|    Callback is turned off
'o'|    Callback is triggered when the CO2 concentration is *outside* the min and max values
'i'|    Callback is triggered when the CO2 concentration is *inside* the min and max values
'<'|    Callback is triggered when the CO2 concentration is smaller than the min value (max is ignored)
'>'|    Callback is triggered when the CO2 concentration is greater than the min value (max is ignored)

Associated constants:

• ThresholdOptionOff
• ThresholdOptionOutside
• ThresholdOptionInside
• ThresholdOptionSmaller
• ThresholdOptionGreater

func (*CO2Bricklet) SetDebouncePeriod ¶

func (device *CO2Bricklet) SetDebouncePeriod(debounce uint32) (err error)

Sets the period with which the threshold callbacks

* RegisterCO2ConcentrationReachedCallback,

are triggered, if the thresholds

* SetCO2ConcentrationCallbackThreshold,

keep being reached.

func (*CO2Bricklet) SetResponseExpected ¶

func (device *CO2Bricklet) SetResponseExpected(functionID Function, responseExpected bool) error

Changes the response expected flag of the function specified by the function ID parameter. This flag can only be changed for setter (default value: false) and callback configuration functions (default value: true). For getter functions it is always enabled.

Enabling the response expected flag for a setter function allows to detect timeouts and other error conditions calls of this setter as well. The device will then send a response for this purpose. If this flag is disabled for a setter function then no response is sent and errors are silently ignored, because they cannot be detected.

func (*CO2Bricklet) SetResponseExpectedAll ¶

func (device *CO2Bricklet) SetResponseExpectedAll(responseExpected bool)

Changes the response expected flag for all setter and callback configuration functions of this device at once.