Collaboration diagram for Exported Functions:

Functions
HTS221_Error_et	HTS221_ReadReg (void handle, uint8_t RegAddr, uint16_t NumByteToRead, uint8_t Data)

HTS221_Error_et	HTS221_WriteReg (void handle, uint8_t RegAddr, uint16_t NumByteToWrite, uint8_t Data)

HTS221_Error_et	HTS221_Get_DriverVersion (HTS221_DriverVersion_st *version)
	Get the version of this driver.

HTS221_Error_et	HTS221_Get_DeviceID (void handle, uint8_t deviceid)
	Get device type ID.

HTS221_Error_et	HTS221_Set_InitConfig (void handle, HTS221_Init_st pxInit)
	Initializes the HTS221 with the specified parameters in HTS221_Init_st struct.

HTS221_Error_et	HTS221_Get_InitConfig (void handle, HTS221_Init_st pxInit)
	Returns a HTS221_Init_st struct with the actual configuration.

HTS221_Error_et	HTS221_DeInit (void *handle)
	De initialization function for HTS221. This function put the HTS221 in power down, make a memory boot and clear the data output flags.

HTS221_Error_et	HTS221_IsMeasurementCompleted (void handle, HTS221_BitStatus_et Is_Measurement_Completed)
	Check if the single measurement has completed.

HTS221_Error_et	HTS221_Get_Measurement (void handle, uint16_t humidity, int16_t *temperature)
	Read HTS221 output registers, and calculate humidity and temperature.

HTS221_Error_et	HTS221_Get_RawMeasurement (void handle, int16_t humidity, int16_t *temperature)
	Read HTS221 output registers. Humidity and temperature.

HTS221_Error_et	HTS221_Get_Humidity (void handle, uint16_t value)
	Read the humidity output and convert it using the factory calibration.

HTS221_Error_et	HTS221_Get_HumidityRaw (void handle, int16_t value)
	Read HTS221 humidity output registers.

HTS221_Error_et	HTS221_Get_TemperatureRaw (void handle, int16_t value)
	Read HTS221 temperature output registers.

HTS221_Error_et	HTS221_Get_Temperature (void handle, int16_t value)
	Read the temperature output and convert it using the factory calibration.

HTS221_Error_et	HTS221_Get_DataStatus (void handle, HTS221_BitStatus_et humidity, HTS221_BitStatus_et *temperature)
	Get the availability of new data for humidity and temperature.

HTS221_Error_et	HTS221_Activate (void *handle)
	Exit from power down mode.

HTS221_Error_et	HTS221_DeActivate (void *handle)
	Put the sensor in power down mode.

HTS221_Error_et	HTS221_Set_AvgHT (void *handle, HTS221_Avgh_et avgh, HTS221_Avgt_et avgt)
	Set_ humidity and temperature average mode.

HTS221_Error_et	HTS221_Set_AvgH (void *handle, HTS221_Avgh_et avgh)
	Set humidity average mode.

HTS221_Error_et	HTS221_Set_AvgT (void *handle, HTS221_Avgt_et avgt)
	Set temperature average mode.

HTS221_Error_et	HTS221_Get_AvgHT (void handle, HTS221_Avgh_et avgh, HTS221_Avgt_et *avgt)
	Get humidity and temperature average mode.

HTS221_Error_et	HTS221_Set_BduMode (void *handle, HTS221_State_et status)
	Set block data update mode.

HTS221_Error_et	HTS221_Get_BduMode (void handle, HTS221_State_et status)
	Get block data update mode.

HTS221_Error_et	HTS221_Set_PowerDownMode (void *handle, HTS221_BitStatus_et status)
	Enter or exit from power down mode.

HTS221_Error_et	HTS221_Get_PowerDownMode (void handle, HTS221_BitStatus_et status)
	Get if HTS221 is in active mode or in power down mode.

HTS221_Error_et	HTS221_Set_Odr (void *handle, HTS221_Odr_et odr)
	Set the output data rate mode.

HTS221_Error_et	HTS221_Get_Odr (void handle, HTS221_Odr_et odr)
	Get the output data rate mode.

HTS221_Error_et	HTS221_MemoryBoot (void *handle)
	Reboot Memory Content.

HTS221_Error_et	HTS221_Set_HeaterState (void *handle, HTS221_State_et status)
	Configure the internal heater.

HTS221_Error_et	HTS221_Get_HeaterState (void handle, HTS221_State_et status)
	Get the internal heater.

HTS221_Error_et	HTS221_StartOneShotMeasurement (void *handle)
	Set ONE_SHOT bit to start a new conversion (ODR mode has to be 00). Once the measurement is done, ONE_SHOT bit is self-cleared.

HTS221_Error_et	HTS221_Set_IrqActiveLevel (void *handle, HTS221_DrdyLevel_et status)
	Set level configuration of the interrupt pin DRDY.

HTS221_Error_et	HTS221_Get_IrqActiveLevel (void handle, HTS221_DrdyLevel_et status)
	Get level configuration of the interrupt pin DRDY.

HTS221_Error_et	HTS221_Set_IrqOutputType (void *handle, HTS221_OutputType_et value)
	Set Push-pull/open drain configuration for the interrupt pin DRDY.

HTS221_Error_et	HTS221_Get_IrqOutputType (void handle, HTS221_OutputType_et value)
	Get the configuration for the interrupt pin DRDY.

HTS221_Error_et	HTS221_Set_IrqEnable (void *handle, HTS221_State_et status)
	Enable/disable the interrupt mode.

HTS221_Error_et	HTS221_Get_IrqEnable (void handle, HTS221_State_et status)
	Get the interrupt mode.

Detailed Description

Function Documentation

◆ HTS221_Activate()

HTS221_Error_et HTS221_Activate ( void * handle )

Exit from power down mode.

Parameters

handle Device handle.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_DeActivate()

HTS221_Error_et HTS221_DeActivate ( void * handle )

Put the sensor in power down mode.

Parameters

handle Device handle.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_DeInit()

HTS221_Error_et HTS221_DeInit ( void * handle )

De initialization function for HTS221. This function put the HTS221 in power down, make a memory boot and clear the data output flags.

Parameters

handle Device handle.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_AvgHT()

HTS221_Error_et HTS221_Get_AvgHT	(	void *	handle,
		HTS221_Avgh_et *	avgh,
		HTS221_Avgt_et *	avgt
	)

Get humidity and temperature average mode.

Parameters

handle	Device handle.
avgh	pointer to the returned value with the humidity average mode.
avgt	pointer to the returned value with the temperature average mode.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_BduMode()

HTS221_Error_et HTS221_Get_BduMode	(	void *	handle,
		HTS221_State_et *	status
	)

Get block data update mode.

Parameters

handle	Device handle.
status	Receives the block data update setting.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_DataStatus()

HTS221_Error_et HTS221_Get_DataStatus	(	void *	handle,
		HTS221_BitStatus_et *	humidity,
		HTS221_BitStatus_et *	temperature
	)

Get the availability of new data for humidity and temperature.

Parameters

handle	Device handle.
humidity	pointer to the returned humidity data status [HTS221_SET/HTS221_RESET].
temperature	pointer to the returned temperature data status [HTS221_SET/HTS221_RESET]. This parameter is a pointer to HTS221_BitStatus_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_DeviceID()

HTS221_Error_et HTS221_Get_DeviceID	(	void *	handle,
		uint8_t *	deviceid
	)

Get device type ID.

Parameters

handle	Device handle.
deviceid	pointer to the returned device type ID.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_DriverVersion()

HTS221_Error_et HTS221_Get_DriverVersion ( HTS221_DriverVersion_st * version )

Get the version of this driver.

Parameters

version Pointer to a HTS221_DriverVersion_st structure that contains the version information. This parameter is a pointer to HTS221_DriverVersion_st.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_HeaterState()

HTS221_Error_et HTS221_Get_HeaterState	(	void *	handle,
		HTS221_State_et *	status
	)

Get the internal heater.

Parameters

handle	Device handle.
status	Receives the internal heater state.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_Humidity()

HTS221_Error_et HTS221_Get_Humidity	(	void *	handle,
		uint16_t *	value
	)

Read the humidity output and convert it using the factory calibration.

Parameters

handle	Device handle.
value	Pointer to the humidity result in tenths of a percent (0-1000).

Return values

HTS221_OK on success, or HTS221_ERROR if a register read fails.

◆ HTS221_Get_HumidityRaw()

HTS221_Error_et HTS221_Get_HumidityRaw	(	void *	handle,
		int16_t *	value
	)

Read HTS221 humidity output registers.

Parameters

handle	Device handle.
value	Destination for the raw humidity value.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_InitConfig()

HTS221_Error_et HTS221_Get_InitConfig	(	void *	handle,
		HTS221_Init_st *	pxInit
	)

Returns a HTS221_Init_st struct with the actual configuration.

Parameters

handle	Device handle.
pxInit	pointer to a HTS221_Init_st structure. This parameter is a pointer to HTS221_Init_st.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_IrqActiveLevel()

HTS221_Error_et HTS221_Get_IrqActiveLevel	(	void *	handle,
		HTS221_DrdyLevel_et *	status
	)

Get level configuration of the interrupt pin DRDY.

Parameters

handle	Device handle.
status	Receives the active level selection.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_IrqEnable()

HTS221_Error_et HTS221_Get_IrqEnable	(	void *	handle,
		HTS221_State_et *	status
	)

Get the interrupt mode.

Parameters

handle	Device handle.
status	Receives the interrupt mode setting.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_IrqOutputType()

HTS221_Error_et HTS221_Get_IrqOutputType	(	void *	handle,
		HTS221_OutputType_et *	value
	)

Get the configuration for the interrupt pin DRDY.

Parameters

handle	Device handle.
value	Receives the output type configuration.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_Measurement()

HTS221_Error_et HTS221_Get_Measurement	(	void *	handle,
		uint16_t *	humidity,
		int16_t *	temperature
	)

Read HTS221 output registers, and calculate humidity and temperature.

Parameters

handle	Device handle.
humidity	pointer to the returned humidity value that must be divided by 10 to get the value in [%].
temperature	pointer to the returned temperature value that must be divided by 10 to get the value in ['C].

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_Odr()

HTS221_Error_et HTS221_Get_Odr	(	void *	handle,
		HTS221_Odr_et *	odr
	)

Get the output data rate mode.

Parameters

handle	Device handle.
odr	Receives the output data rate mode.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_PowerDownMode()

HTS221_Error_et HTS221_Get_PowerDownMode	(	void *	handle,
		HTS221_BitStatus_et *	status
	)

Get if HTS221 is in active mode or in power down mode.

Parameters

handle	Device handle.
status	Receives the power-down bit value.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_RawMeasurement()

HTS221_Error_et HTS221_Get_RawMeasurement	(	void *	handle,
		int16_t *	humidity,
		int16_t *	temperature
	)

Read HTS221 output registers. Humidity and temperature.

Parameters

handle	Device handle.
humidity	pointer to the returned humidity raw value.
temperature	pointer to the returned temperature raw value.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Get_Temperature()

HTS221_Error_et HTS221_Get_Temperature	(	void *	handle,
		int16_t *	value
	)

Read the temperature output and convert it using the factory calibration.

Parameters

handle	Device handle.
value	Pointer to the temperature result in tenths of a degree Celsius.

Return values

HTS221_OK on success, or HTS221_ERROR if a register read fails.

◆ HTS221_Get_TemperatureRaw()

HTS221_Error_et HTS221_Get_TemperatureRaw	(	void *	handle,
		int16_t *	value
	)

Read HTS221 temperature output registers.

Parameters

handle	Device handle.
value	Destination for the raw temperature value.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_IsMeasurementCompleted()

HTS221_Error_et HTS221_IsMeasurementCompleted	(	void *	handle,
		HTS221_BitStatus_et *	Is_Measurement_Completed
	)

Check if the single measurement has completed.

Parameters

handle	Device handle.
Is_Measurement_Completed	Receives whether the measurement is complete.

Return values

Status [HTS221_ERROR, HTS221_OK]

◆ HTS221_MemoryBoot()

HTS221_Error_et HTS221_MemoryBoot ( void * handle )

Reboot Memory Content.

Parameters

handle Device handle.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_ReadReg()

HTS221_Error_et HTS221_ReadReg	(	void *	handle,
		uint8_t	RegAddr,
		uint16_t	NumByteToRead,
		uint8_t *	Data
	)

◆ HTS221_Set_AvgH()

HTS221_Error_et HTS221_Set_AvgH	(	void *	handle,
		HTS221_Avgh_et	avgh
	)

Set humidity average mode.

Parameters

handle	Device handle.
avgh	is the average mode for humidity, this parameter is HTS221_Avgh_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Set_AvgHT()

HTS221_Error_et HTS221_Set_AvgHT	(	void *	handle,
		HTS221_Avgh_et	avgh,
		HTS221_Avgt_et	avgt
	)

Set_ humidity and temperature average mode.

Parameters

handle	Device handle.
avgh	is the average mode for humidity, this parameter is HTS221_Avgh_et.
avgt	is the average mode for temperature, this parameter is HTS221_Avgt_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Set_AvgT()

HTS221_Error_et HTS221_Set_AvgT	(	void *	handle,
		HTS221_Avgt_et	avgt
	)

Set temperature average mode.

Parameters

handle	Device handle.
avgt	is the average mode for temperature, this parameter is HTS221_Avgt_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Set_BduMode()

HTS221_Error_et HTS221_Set_BduMode	(	void *	handle,
		HTS221_State_et	status
	)

Set block data update mode.

Parameters

handle	Device handle.
status	HTS221_ENABLE holds output data until both bytes are read; HTS221_DISABLE allows continuous updates. This parameter is a HTS221_BitStatus_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Set_HeaterState()

HTS221_Error_et HTS221_Set_HeaterState	(	void *	handle,
		HTS221_State_et	status
	)

Configure the internal heater.

Parameters

handle	Device handle.
status	Internal heater state [HTS221_ENABLE/HTS221_DISABLE]. This parameter is a HTS221_State_et.

Return values

Error code [HTS221_OK, HTS221_ERROR]

◆ HTS221_Set_InitConfig()

HTS221_Error_et HTS221_Set_InitConfig	(	void *	handle,
		HTS221_Init_st *	pxInit
	)

Initializes the HTS221 with the specified parameters in HTS221_Init_st struct.

Parameters

handle	Device handle.
pxInit	pointer to a HTS221_Init_st structure that contains the configuration. This parameter is a pointer to HTS221_Init_st.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Set_IrqActiveLevel()

HTS221_Error_et HTS221_Set_IrqActiveLevel	(	void *	handle,
		HTS221_DrdyLevel_et	status
	)

Set level configuration of the interrupt pin DRDY.

Parameters

handle	Device handle.
status	Active level selection (HTS221_LOW_LVL or HTS221_HIGH_LVL). This parameter is a HTS221_DrdyLevel_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Set_IrqEnable()

HTS221_Error_et HTS221_Set_IrqEnable	(	void *	handle,
		HTS221_State_et	status
	)

Enable/disable the interrupt mode.

Parameters

handle	Device handle.
status	is the enable/disable for the interrupt mode. This parameter is a HTS221_State_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Set_IrqOutputType()

HTS221_Error_et HTS221_Set_IrqOutputType	(	void *	handle,
		HTS221_OutputType_et	value
	)

Set Push-pull/open drain configuration for the interrupt pin DRDY.

Parameters

handle	Device handle.
value	is the output type configuration. This parameter is a HTS221_OutputType_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Set_Odr()

HTS221_Error_et HTS221_Set_Odr	(	void *	handle,
		HTS221_Odr_et	odr
	)

Set the output data rate mode.

Parameters

handle	Device handle.
odr	Output data rate to set. This parameter is a HTS221_Odr_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_Set_PowerDownMode()

HTS221_Error_et HTS221_Set_PowerDownMode	(	void *	handle,
		HTS221_BitStatus_et	status
	)

Enter or exit from power down mode.

Parameters

handle	Device handle.
status	Set HTS221_SET for power-down mode or HTS221_RESET for active mode. This parameter is a HTS221_BitStatus_et.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_StartOneShotMeasurement()

HTS221_Error_et HTS221_StartOneShotMeasurement ( void * handle )

Set ONE_SHOT bit to start a new conversion (ODR mode has to be 00). Once the measurement is done, ONE_SHOT bit is self-cleared.

Parameters

handle Device handle.

Return values

Error code [HTS221_OK, HTS221_ERROR].

◆ HTS221_WriteReg()

HTS221_Error_et HTS221_WriteReg	(	void *	handle,
		uint8_t	RegAddr,
		uint16_t	NumByteToWrite,
		uint8_t *	Data
	)