HSC temperature and pressure sensor

Device driver interface for the HSC sensor. More...

Detailed Description

Device driver interface for the HSC sensor.

This driver provides [S]ensor [A]ctuator [U]ber [L]ayer capabilities.

Files
file	hsc_internals.h
	Internal addresses, constants for the HSC sensor.
file	hsc_params.h
	Default configuration for HSC.
file	hsc.h
	Device driver interface for the HSC sensor.

Data Structures
struct	hsc_params_t
	Device initialization parameters. More...
struct	hsc_t
	Device descriptor for the HSC sensor. More...

Functions
int	hsc_init (hsc_t *dev, const hsc_params_t *params)
	Initialize the given HSC device.
int	hsc_read_temperature (const hsc_t *dev, int16_t *dest)
	Read temperature value from the given HSC device, returned in 0.1°C.
int	hsc_read_pressure (const hsc_t *dev, int32_t *dest)
	Read pressure value from the given HSC device, returned in uBar.

Default configuration values
#define	CONFIG_HSC_I2C_ADDR   (0x28)
	Use address 0x28 by default.
#define	CONFIG_HSC_RANGE   (40U)
	Default to 40 millibar range.

Macro Definition Documentation

CONFIG_HSC_I2C_ADDR

#define CONFIG_HSC_I2C_ADDR   (0x28)

Use address 0x28 by default.

Definition at line 91 of file hsc.h.

CONFIG_HSC_RANGE

#define CONFIG_HSC_RANGE   (40U)

Default to 40 millibar range.

Definition at line 94 of file hsc.h.

Function Documentation

hsc_init()

int hsc_init	(	hsc_t *	dev,
		const hsc_params_t *	params
	)

Initialize the given HSC device.

Parameters

[out]	dev	Initialized device descriptor of HSC device
[in]	params	Initialization parameters

Return values

0	Success
-ENXIO	No HSC at given address

Returns

-EIO An error occurred when reading calibration values

hsc_read_pressure()

int hsc_read_pressure	(	const hsc_t *	dev,
		int32_t *	dest
	)

Read pressure value from the given HSC device, returned in uBar.

Parameters

[in]	dev	Device descriptor of HSC device to read from
[out]	dest	Pressure in uBar

Return values

0	Success
-ENXIO	No HSC at given address

Returns

-EIO An error occurred when reading calibration values

hsc_read_temperature()

int hsc_read_temperature	(	const hsc_t *	dev,
		int16_t *	dest
	)

Read temperature value from the given HSC device, returned in 0.1°C.

Parameters

[in]	dev	Device descriptor of HSC device to read from
[out]	dest	Temperature in 0.1°C

Return values

0	Success
-ENXIO	No HSC at given address

Returns

-EIO An error occurred when reading calibration values