MPL3115A2.c File Reference

MPL3115A2 driver. More...

#include "MPL3115A2.h"
#include "i2c.h"

Go to the source code of this file.

Functions
void	MPL3115A2_Initialize (void)
	Initialize the sensor and enable interrupts. More...
unsigned char	MPL3115A2_ID (void)
	Returns the Factory Chip ID. More...
unsigned char	MPL3115A2_GetMode (void)
	Return a bool value indicating wheather the sensor is in Active or Standby mode. More...
void	MPL3115A2_StandbyMode (void)
	Puts the sensor in standby mode, the user must do this in order to modify the major control registers. More...
void	MPL3115A2_ActiveMode (void)
	Puts the sensor in active mode, needed is the sensor is in standby mode. More...
void	MPL3115A2_AltimeterMode (void)
	Sets the mode to Altimeter. More...
float	MPL3115A2_ReadAltitude (void)
	Returns the number of meters above sea level,Returns -1 if no new data is available. More...
void	MPL3115A2_SetAltimeterOffset (unsigned char H_Offset)
	Set the altimeter offset correction. More...
void	MPL3115A2_BarometerMode (void)
	Configure the sensor in Barometer mode. More...
void	MPL3115A2_SetPressureOffset (unsigned char P_Offset)
	Set the pressure offset correction. More...
float	MPL3115A2_GetMinimumPressure (void)
	Get minimum stored pressure. More...
float	MPL3115A2_GetMaximumPressure (void)
	Get maximum stored pressure. More...
unsigned int	MPL3115A2_ReadBarometicPressureInput (void)
	Returns barometric pressure input used for calculating altitude. More...
float	MPL3115A2_ReadBarometricPressure (void)
	Reads the current pressure in Pa. More...
float	MPL3115A2_ReadPressure (unitsType units)
	Get a barometric pressure reading. More...
void	MPL3115A2_SetPressureAlarmThreshold (unsigned int thresh)
	Configure alarm threshold. More...
void	MPL3115A2_SetPressureTargetWindow (unsigned int target, unsigned int window)
	Configure alarm target and window. More...
float	MPL3115A2_ReadTemperature (void)
	Get a temperature reading from the sensor. More...
float	MPL3115A2_GetMinimumTemperature (void)
	Get minimum recorded temperature reading. More...
float	MPL3115A2_GetMaximumTemperature (void)
	Get maximum recorded temperature reading. More...
void	MPL3115A2_SetTempTargetWindow (unsigned int target, unsigned int window)
	Configures the temperature target and window for the interrupts. More...
void	MPL3115A2_SetTemperatureThreshold (unsigned char thresh)
	Configure the temeperature threshold. More...
void	MPL3115A2_SetTempOffset (char T_Offset)
	Used to correct the measured sensor temeperature by a particular offset. More...
void	MPL3115A2_OutputSampleRate (unsigned char sampleRate)
	Configures the output sample rate.The higher the oversample rate the greater the time between data samples. More...
void	MPL3115A2_SetAcquisitionTimeStep (unsigned char ST_Value)
	Set the acquisition time step in seconds. More...
void	MPL3115A2_EnableEventFlags (void)
	Enables the pressure and temp measurement event flags so that we can test against them. This is recommended during setup. More...
void	MPL3115A2_ToggleOneShot (void)
	Causes the sensor to immediately take another reading , needed to sample faster than 1Hz. More...
void	MPL3115A2_ConfigureInterruptPin (unsigned char intrrpt, unsigned char pin)
	Configure Interrupt pins. More...
void	MPL3115A2_ConfigurePressureInterrupt (void)
	Configure Pressure Interrupt. More...
void	MPL3115A2_ConfigureAltitudeInterrupt (void)
	Configure altitude interrupt pin. More...
void	MPL3115A2_ClearInterrupts (void)
	Clear any existing interrupts. More...
unsigned char	MPL3115A2_ReadByte (char reg)
	Read byte value from register. More...
void	MPL3115A2_ReadByteArray (char reg, char *buffer, unsigned int length)
	Read byte value from register. More...
void	MPL3115A2_WriteByte (char reg, char value)
	Write a single byte to the register. More...
void	MPL3115A2_WriteByteArray (char reg, char *buffer, unsigned int length)
	Writes an array of bytes to the sensor. More...

Detailed Description

MPL3115A2 driver.

Author

D.Qendri

Date

30 April 2015

Definition in file MPL3115A2.c.

Function Documentation

unsigned char MPL3115A2_ReadByte

(

char

reg

)

Read byte value from register.

Parameters

reg	Register to read value form

Returns

value Register value

Definition at line 467 of file MPL3115A2.c.

void MPL3115A2_ReadByteArray	(	char	reg,
		char *	buffer,
		unsigned int	length
	)

Read byte value from register.

Parameters

reg	Register to read value form
*buffer	Array buffer to be written
length	Length of buffer array

Returns

value Register value

Definition at line 479 of file MPL3115A2.c.

void MPL3115A2_WriteByte	(	char	reg,
		char	value
	)

Write a single byte to the register.

Parameters

reg	register address
value	value to write onto register

Returns

none

Definition at line 490 of file MPL3115A2.c.

void MPL3115A2_WriteByteArray	(	char	reg,
		char *	buffer,
		unsigned int	length
	)

Writes an array of bytes to the sensor.

Parameters

reg	Register to read value form
*buffer	Array buffer to be written
length	Length of buffer array

Returns

none

Definition at line 502 of file MPL3115A2.c.