EFM32 Happy Gecko Software Documentation
efm32hg-doc-5.1.2
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Driver for the Si1133 Ambient Light and UV sensor.
Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com
This file is licensed under the Silicon Labs 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 si1133.h.
#include "si1133_config.h"
Go to the source code of this file.
Data Structures | |
struct | SI1133_Coeff_TypeDef |
Structure to store the calculation coefficients. More... | |
struct | SI1133_LuxCoeff_TypeDef |
Structure to store the coefficients used for Lux calculation. More... | |
struct | SI1133_Samples_TypeDef |
Structure to store the data measured by the Si1133. More... | |
Functions | |
uint32_t | SI1133_deInit (void) |
Stops the measurements on all channel and waits until the chip goes to sleep state. More... | |
uint32_t | SI1133_getHardwareID (uint8_t *hardwareID) |
Reads Hardware ID from the SI1133 sensor. More... | |
uint32_t | SI1133_getIrqStatus (uint8_t *irqStatus) |
Reads the interrupt status register of the device. More... | |
int32_t | SI1133_getLux (int32_t vis_high, int32_t vis_low, int32_t ir, SI1133_LuxCoeff_TypeDef *lk) |
Compute lux value. More... | |
uint32_t | SI1133_getMeasurement (float *lux, float *uvi) |
Retrieve the sample values from the chip and convert them to lux and UV index values. More... | |
int32_t | SI1133_getUv (int32_t uv, SI1133_Coeff_TypeDef *uk) |
Compute UV index. More... | |
uint32_t | SI1133_init (void) |
Initializes the Si1133 chip. More... | |
uint32_t | SI1133_measureLuxUvi (float *lux, float *uvi) |
Measure lux and UV index using the Si1133 sensor. More... | |
uint32_t | SI1133_measurementForce (void) |
Sends a FORCE command to the Si1133. More... | |
uint32_t | SI1133_measurementGet (SI1133_Samples_TypeDef *samples) |
Read samples from the Si1133 chip. More... | |
static uint32_t | SI1133_measurementPause (void) |
Sends a PAUSE command to the Si1133. More... | |
uint32_t | SI1133_measurementStart (void) |
Sends a START command to the Si1133. More... | |
uint32_t | SI1133_paramRead (uint8_t address) |
Reads a parameter from the Si1133. More... | |
uint32_t | SI1133_paramSet (uint8_t address, uint8_t value) |
Writes a byte to an Si1133 Parameter. More... | |
uint32_t | SI1133_registerBlockRead (uint8_t reg, uint8_t length, uint8_t *data) |
Reads a block of data from the Si1133 sensor. More... | |
uint32_t | SI1133_registerBlockWrite (uint8_t reg, uint8_t length, uint8_t *data) |
Writes a block of data to the Si1133 sensor. More... | |
uint32_t | SI1133_registerRead (uint8_t reg, uint8_t *data) |
Reads register from the Si1133 sensor. More... | |
uint32_t | SI1133_registerWrite (uint8_t reg, uint8_t data) |
Writes register in the Si1133 sensor. More... | |
uint32_t | SI1133_reset (void) |
Resets the Si1133. More... | |
uint32_t | SI1133_resetCmdCtr (void) |
Sends a RESET COMMAND COUNTER command to the Si1133. More... | |