meas_airspeed Namespace Reference

Local functions in support of the shell command. More...

Functions
int	start ()
	Attempt to start driver on all available I2C busses. More...
int	start_bus (int i2c_bus, int address)
	Start the driver on a specific bus. More...
int	stop ()
	Stop the driver. More...
int	reset ()
	Reset the driver. More...

Variables
MEASAirspeed *	g_dev = nullptr

Detailed Description

Local functions in support of the shell command.

Function Documentation

reset()

int meas_airspeed::reset

(

)

Reset the driver.

Definition at line 449 of file ms4525_airspeed.cpp.

References fd, PATH_MS4525, px4_ioctl(), px4_open(), SENSOR_POLLRATE_DEFAULT, SENSORIOCRESET, and SENSORIOCSPOLLRATE.

Referenced by ms4525_airspeed_main().

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start()

int meas_airspeed::start

(

)

Attempt to start driver on all available I2C busses.

This function will return as soon as the first sensor is detected on one of the available busses or if no sensors are detected.

Definition at line 364 of file ms4525_airspeed.cpp.

References I2C_ADDRESS_MS4525DO, i2c_bus_options, NUM_I2C_BUS_OPTIONS, and start_bus().

Referenced by ms4525_airspeed_main().

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start_bus()

int meas_airspeed::start_bus	(	int	i2c_bus,
		int	address
	)

Start the driver on a specific bus.

This function call only returns once the driver is up and running or failed to detect the sensor.

Definition at line 383 of file ms4525_airspeed.cpp.

References fd, g_dev, Airspeed::init(), MEASAirspeed::MEASAirspeed(), OK, PATH_MS4525, px4_ioctl(), px4_open(), SENSOR_POLLRATE_DEFAULT, and SENSORIOCSPOLLRATE.

Referenced by ms4525_airspeed_main(), and start().

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stop()

int meas_airspeed::stop

(

)

Stop the driver.

Definition at line 431 of file ms4525_airspeed.cpp.

References g_dev.

Referenced by ms4525_airspeed_main().

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Variable Documentation

g_dev

MEASAirspeed* meas_airspeed::g_dev = nullptr

Definition at line 348 of file ms4525_airspeed.cpp.

Referenced by start_bus(), and stop().