EFM32 Pearl Gecko 12 Software Documentation  efm32pg12-doc-5.1.2
Macros | Functions | Variables
si114x_uv_index.c File Reference

Detailed Description

Si114x UV Index measurement.

Version
5.1.1

License

Copyright 2015 Silicon Labs, Inc. http://www.silabs.com

This file is licensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement.

Definition in file si114x_uv_index.c.

#include "si114x_functions.h"

Go to the source code of this file.

Macros

#define SI1146_DEVICE_ID   0x46
 
#define UV_IRQ_EN   IE_ALS_EVRYSAMPLE
 
#define UV_TASKLIST   0x80
 

Functions

int Si114x_ConfigureUV (int fullInit, HANDLE *handle)
 Initializes and configures the Si1146 sensor for UV index measurements. More...
 
int Si114x_EnableVisRange (int vis_range_bit)
 Set the VIS_RANGE bit of the optical sensor Si114x. More...
 
int Si114x_MeasureUVIndex (u16 *uvIndex)
 Reads the UV index measurement data from the Si114x. More...
 

Variables

static void * si114x_handle
 Si114x PGM toolkit functions uses a void* to pass hardware parameters through to the lower level i2c functions. This struct is passed down to the low level i2c functions using that pointer.
 

Macro Definition Documentation

#define SI1146_DEVICE_ID   0x46

Si1146 device ID

Definition at line 21 of file si114x_uv_index.c.

#define UV_IRQ_EN   IE_ALS_EVRYSAMPLE

UV interrupt enable

Definition at line 20 of file si114x_uv_index.c.

#define UV_TASKLIST   0x80

Si114x register settings. UV task in CHLIST

Definition at line 19 of file si114x_uv_index.c.

Referenced by Si1147_ConfigureDetection(), and Si114x_ConfigureUV().

Function Documentation

int Si114x_ConfigureUV ( int  fullInit,
HANDLE *  handle 
)

Initializes and configures the Si1146 sensor for UV index measurements.

Parameters
[in]fullInitThe I2C peripheral to use (not used).
[in]handleThe si114x handle for programmer's toolkit
Returns
Returns 0 on success.

Definition at line 110 of file si114x_uv_index.c.

References si114x_get_calibration(), si114x_handle, si114x_set_ucoef(), Si114xParamSet(), Si114xReset(), Si114xWriteToRegister(), and UV_TASKLIST.

int Si114x_EnableVisRange ( int  vis_range_bit)

Set the VIS_RANGE bit of the optical sensor Si114x.

Parameters
[in]vis_range_bitthe boolean value to set the bit to
Returns
Returns 0.

Definition at line 88 of file si114x_uv_index.c.

References si114x_handle, and Si114xParamSet().

int Si114x_MeasureUVIndex ( u16 *  uvIndex)

Reads the UV index measurement data from the Si114x.

Parameters
[out]uvIndexThe UV index read from the sensor
Returns
Returns 0.

Definition at line 40 of file si114x_uv_index.c.

References si114x_handle, Si114xPsAlsForce(), Si114xReadFromRegister(), and Si114xWriteToRegister().