Driver for the MPL3115A2 barometric pressure sensor connected via I2C. More...

#include "mpl3115a2.h"

Include dependency graph for mpl3115a2.cpp:

Classes
class	MPL3115A2

struct	mpl3115a2::mpl3115a2_bus_option

Namespaces
	mpl3115a2
	Local functions in support of the shell command.

Macros
#define	INCREMENT(_x, _lim) do { __typeof__(_x) _tmp = _x+1; if (_tmp >= _lim) _tmp = 0; _x = _tmp; } while(0)

#define	POW2(_x) ((_x) * (_x))

#define	MPL3115A2_CONVERSION_INTERVAL 10000 /* microseconds */

#define	MPL3115A2_OSR 2 /* Over Sample rate of 4 18MS Minimum time between data samples */

#define	MPL3115A2_CTRL_TRIGGER (CTRL_REG1_OST \| CTRL_REG1_OS(MPL3115A2_OSR))

#define	MPL3115A2_BARO_DEVICE_PATH_EXT "/dev/mpl3115a2_ext"

#define	MPL3115A2_BARO_DEVICE_PATH_INT "/dev/mpl3115a2_int"

#define	NUM_BUS_OPTIONS (sizeof(bus_options)/sizeof(bus_options[0]))

Enumerations
enum	MPL3115A2_BUS { MPL3115A2_BUS_ALL = 0, MPL3115A2_BUS_I2C_INTERNAL, MPL3115A2_BUS_I2C_EXTERNAL }

Functions
__EXPORT int	mpl3115a2_main (int argc, char *argv[])

bool	mpl3115a2::start_bus (struct mpl3115a2_bus_option &bus)
	Start the driver. More...

struct mpl3115a2_bus_option &	mpl3115a2::find_bus (enum MPL3115A2_BUS busid)
	find a bus structure for a busid More...

void	mpl3115a2::start (enum MPL3115A2_BUS busid)
	Start the driver. More...

void	mpl3115a2::test (enum MPL3115A2_BUS busid)
	Perform some basic functional tests on the driver; make sure we can collect data from the sensor in polled and automatic modes. More...

void	mpl3115a2::reset (enum MPL3115A2_BUS busid)
	Reset the driver. More...

void	mpl3115a2::info ()
	Print a little info about the driver. More...

void	mpl3115a2::usage ()
	Prints info about the driver argument usage. More...

Variables
struct mpl3115a2::mpl3115a2_bus_option	mpl3115a2::bus_options []

Detailed Description

Driver for the MPL3115A2 barometric pressure sensor connected via I2C.

Definition in file mpl3115a2.cpp.

Macro Definition Documentation

◆ INCREMENT

#define INCREMENT	(	_x,
		_lim
	)	do { __typeof__(_x) _tmp = _x+1; if (_tmp >= _lim) _tmp = 0; _x = _tmp; } while(0)

Definition at line 49 of file mpl3115a2.cpp.

Referenced by MS5611::collect().

◆ MPL3115A2_BARO_DEVICE_PATH_EXT

#define MPL3115A2_BARO_DEVICE_PATH_EXT "/dev/mpl3115a2_ext"

Definition at line 61 of file mpl3115a2.cpp.

◆ MPL3115A2_BARO_DEVICE_PATH_INT

#define MPL3115A2_BARO_DEVICE_PATH_INT "/dev/mpl3115a2_int"

Definition at line 62 of file mpl3115a2.cpp.

◆ MPL3115A2_CONVERSION_INTERVAL

#define MPL3115A2_CONVERSION_INTERVAL 10000 /* microseconds */

Definition at line 58 of file mpl3115a2.cpp.

Referenced by MPL3115A2::ioctl(), and MPL3115A2::Run().

◆ MPL3115A2_CTRL_TRIGGER

#define MPL3115A2_CTRL_TRIGGER (CTRL_REG1_OST | CTRL_REG1_OS(MPL3115A2_OSR))

Definition at line 60 of file mpl3115a2.cpp.

Referenced by MPL3115A2::measure().

◆ MPL3115A2_OSR

#define MPL3115A2_OSR 2 /* Over Sample rate of 4 18MS Minimum time between data samples */

Definition at line 59 of file mpl3115a2.cpp.

◆ NUM_BUS_OPTIONS

#define NUM_BUS_OPTIONS (sizeof(bus_options)/sizeof(bus_options[0]))

Definition at line 611 of file mpl3115a2.cpp.

Referenced by mpl3115a2::find_bus(), mpl3115a2::info(), and mpl3115a2::start().

◆ POW2

#define POW2 ( _x ) ((_x) * (_x))

Definition at line 52 of file mpl3115a2.cpp.

Referenced by MS5611::collect().

Enumeration Type Documentation

◆ MPL3115A2_BUS

enum MPL3115A2_BUS

Enumerator
MPL3115A2_BUS_ALL
MPL3115A2_BUS_I2C_INTERNAL
MPL3115A2_BUS_I2C_EXTERNAL

Definition at line 42 of file mpl3115a2.cpp.

Function Documentation

◆ mpl3115a2_main()

int mpl3115a2_main	(	int	argc,
		char *	argv[]
	)

Definition at line 828 of file mpl3115a2.cpp.

References mpl3115a2::info(), MPL3115A2_BUS_ALL, MPL3115A2_BUS_I2C_EXTERNAL, MPL3115A2_BUS_I2C_INTERNAL, mpl3115a2::reset(), mpl3115a2::start(), mpl3115a2::test(), and mpl3115a2::usage().

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Classes

Namespaces

Macros

Enumerations

Functions

Variables