Read in forced mode

force single measure and read data when finished More...

Collaboration diagram for Read in forced mode:

Functions
int8_t	BME280_ReadAllForce (BME280_t *Dev, BME280_Data_t *Data)
	Function forces single measure and returns all data as integers.
int8_t	BME280_ReadTempForce (BME280_t *Dev, int8_t *TempInt, uint8_t *TempFract)
	Function forces single measure and returns temperatrue as integers (forced mode)
int8_t	BME280_ReadPressForce (BME280_t *Dev, uint16_t *PressInt, uint16_t *PressFract)
	Function forces single measure and returns pressure as integers (forced mode)
int8_t	BME280_ReadHumForce (BME280_t *Dev, uint8_t *HumInt, uint16_t *HumFract)
	Function forces single measure and returns humidity as integers (forced mode)

Detailed Description

force single measure and read data when finished

Note

USE_FORCED_MODE in Library Configuration must be uncommented to use these functions

Function Documentation

BME280_ReadAllForce()

int8_t BME280_ReadAllForce	(	BME280_t *	Dev,
		BME280_Data_t *	Data
	)

Function forces single measure and returns all data as integers.

Note

Sensor must be in BME280_SLEEPMODE to force a single measurement.

Function reads sensor's configuration to check conditions and calculate max. delay time required for measure cycle. Then sends command to force single measurement and calls used-defined delay function. When delay function returns ir reads all adc values from sensor, converts them into single variables and compensate with use BME280_calibration_data. Compensated values are then converted into BME280_Data_t structure.

Parameters

[in]	*Dev	pointer to sensor's BME280_t structure
[out]	*Data	pointer to structure where result will be stored

Returns

BME280_OK success

BME280_PARAM_ERR wrong parameter passed

BME280_INTERFACE_ERR user defined read/write function returned non-zero value

BME280_NO_INIT_ERR sensor was not initialized before

BME280_CONDITION_ERR sensor is not in BME280_SLEEPMODE

BME280_BUSY_ERR sensor is busy so cannot proceed

Here is the call graph for this function:

Here is the caller graph for this function:

BME280_ReadHumForce()

int8_t BME280_ReadHumForce	(	BME280_t *	Dev,
		uint8_t *	HumInt,
		uint16_t *	HumFract
	)

Function forces single measure and returns humidity as integers (forced mode)

Note

Sensor must be in BME280_SLEEPMODE to force a single measurement.

Function reads sensor's configuration to check conditions and calculate max. delay time required for measure cycle. Then sends command to force single measurement and calls used-defined delay function. When delay function returns ir reads temperarure and humidity related adc values from sensor, converts them into single variables and compensate with use BME280_calibration_data. Compensated values are then converted into integer (*HumInt) and fractial part (*HumFract).

Parameters

[in]	*Dev	pointer to sensor's BME280_t structure
[out]	*HumInt	pointer to variable where integer part of humidity will be stored
[out]	*HumFract	pointer to variable where fractial part of humidity will be stored

Returns

BME280_OK success

BME280_PARAM_ERR wrong parameter passed

BME280_INTERFACE_ERR user defined read/write function returned non-zero value

BME280_NO_INIT_ERR sensor was not initialized before

BME280_CONDITION_ERR sensor is not in BME280_SLEEPMODE

BME280_BUSY_ERR sensor is busy so cannot proceed

Here is the call graph for this function:

BME280_ReadPressForce()

int8_t BME280_ReadPressForce	(	BME280_t *	Dev,
		uint16_t *	PressInt,
		uint16_t *	PressFract
	)

Function forces single measure and returns pressure as integers (forced mode)

Note

Sensor must be in BME280_SLEEPMODE to force a single measurement.

Function reads sensor's configuration to check conditions and calculate max. delay time required for measure cycle. Then sends command to force single measurement and calls used-defined delay function. When delay function returns ir reads temperarure and pressure related adc values from sensor, converts them into single variables and compensate with use BME280_calibration_data. Compensated values are then converted into integer (*PressInt) and fractial part (*PressFract).

Parameters

[in]	*Dev	pointer to sensor's BME280_t structure
[out]	*PressInt	pointer to variable where integer part of pressure will be stored
[out]	*PressFract	pointer to variable where fractial part of pressure will be stored

Returns

BME280_OK success

BME280_PARAM_ERR wrong parameter passed

BME280_INTERFACE_ERR user defined read/write function returned non-zero value

BME280_NO_INIT_ERR sensor was not initialized before

BME280_CONDITION_ERR sensor is not in BME280_SLEEPMODE

BME280_BUSY_ERR sensor is busy so cannot proceed

Here is the call graph for this function:

BME280_ReadTempForce()

int8_t BME280_ReadTempForce	(	BME280_t *	Dev,
		int8_t *	TempInt,
		uint8_t *	TempFract
	)

Function forces single measure and returns temperatrue as integers (forced mode)

Note

Sensor must be in BME280_SLEEPMODE to force a single measurement.

Function reads sensor's configuration to check conditions and calculate max. delay time required for measure cycle. Then sends command to force single measurement and calls used-defined delay function. When delay function returns ir reads temperature related adc values from sensor, converts them into single variables and compensate with use BME280_calibration_data. Compensated values are then converted into integer (*TempInt) and fractial part (*TempFract).

Parameters

[in]	*Dev	pointer to sensor's BME280_t structure
[out]	*TempInt	pointer to variable where integer part of temperature will be stored
[out]	*TempFract	pointer to variable where fractial part of temperature will be stored

Returns

BME280_OK success

BME280_PARAM_ERR wrong parameter passed

BME280_INTERFACE_ERR user defined read/write function returned non-zero value

BME280_NO_INIT_ERR sensor was not initialized before

BME280_CONDITION_ERR sensor is not in BME280_SLEEPMODE

BME280_BUSY_ERR sensor is busy so cannot proceed

Here is the call graph for this function: