APDS9300.c File Reference

#include "APDS9300.h"
#include "i2c.h"
#include "math.h"

Go to the source code of this file.

Functions
unsigned char	AL_Initialize (void)
	Powers on the sensor , sets sensor gain to 1x and clears any existing interrupts. More...
void	AL_PowerState (powerState state)
	Set the sensor power state to either POWER_ON or POWER_OFF. More...
unsigned char	AL_ChipID (void)
	Returns the CHIP id. More...
unsigned int	AL_ReadChannel (channel chan)
	Reads the value from one of the two photodiode channels. More...
float	AL_Lux (unsigned int ch0, unsigned int ch1)
	Computes LUX ambient light value from sensor data. More...
unsigned char	AL_SetGain (gain val)
	Set sensor gain. Default gain value is GAIN_1 or 1x. More...
void	AL_SetSamplingTime (sampTime_t sampling_time)
	Sets the sampling time for the sensor,can be one of three predetermined values. More...
void	AL_SetIntLowThreshold (unsigned int lowthreshvalue)
	Sets the low threshold value for the interrupt. More...
void	AL_SetIntHighThreshold (unsigned int highthreshvalue)
	Sets the high threshold value for the interrupt. More...
void	AL_Clear_Interrupt (void)
	Clear any existing interrupts. More...
void	AL_ConfigureInterrupt (unsigned char enable, unsigned char persistence)
	Enables or disables the interrupt and sets the persistence of interrupt occurences The interrupt will fire after x occurences outside the threshold values Default values are interrupts enabled and interrupts enabled. More...
void	APDS9300_WriteByte (unsigned char data)
	Writes a single byte of data to the current sensor register. Function assumes that I2C peripheral is preconfigured. More...
void	APDS9300_WriteRegister (unsigned char reg, unsigned char data)
	Writes a byte to the specific register. More...
void	APDS9300_WriteWord (unsigned char reg, unsigned int data)
	Writes a word to the specific register. More...
char	APDS9300_ReadByte (char reg)
	Reads a single byte from the given sensor register. More...
unsigned int	APDS9300_ReadWordReg (char reg)
	Read word from register. More...
unsigned int	APDS9300_ReadWord (void)
	Read a single word from the sensor. Assumes register pointer is preset. More...

Function Documentation

char APDS9300_ReadByte

(

char

reg

)

Reads a single byte from the given sensor register.

Parameters

reg	Address of sensor register

Returns

Val Value of sensor register

Definition at line 254 of file APDS9300.c.

unsigned int APDS9300_ReadWord

(

void

)

Read a single word from the sensor. Assumes register pointer is preset.

Returns

value 16bit word read from the preset register

Definition at line 273 of file APDS9300.c.

unsigned int APDS9300_ReadWordReg

(

char

reg

)

Read word from register.

Parameters

reg	Register address

Returns

val 16bit word content of register

Definition at line 264 of file APDS9300.c.

void APDS9300_WriteByte

(

unsigned char

data

)

Writes a single byte of data to the current sensor register. Function assumes that I2C peripheral is preconfigured.

Parameters

data	Data byte to write to the pointer reg.

Returns

none

Definition at line 219 of file APDS9300.c.

void APDS9300_WriteRegister	(	unsigned char	reg,
		unsigned char	data
	)

Writes a byte to the specific register.

Parameters

reg	Address of sensor register
data	Value to be written on the sensor register.

Returns

none

Definition at line 230 of file APDS9300.c.

void APDS9300_WriteWord	(	unsigned char	reg,
		unsigned int	data
	)

Writes a word to the specific register.

Parameters

reg	Address of sensor register
data	16 bit data to be written on the sensor register.

Returns

none

Definition at line 241 of file APDS9300.c.