Detailed Description

Driver for the Si1133 Ambient Light and UV sensor.

Version: 5.1.1

License

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...

Macros
#define	SI1133_CMD_FORCE_CH 0x11

#define	SI1133_CMD_NEW_ADDR 0x02

#define	SI1133_CMD_PARAM_QUERY 0x40

#define	SI1133_CMD_PARAM_SET 0x80

#define	SI1133_CMD_PAUSE_CH 0x12

#define	SI1133_CMD_RESET 0x01

#define	SI1133_CMD_RESET_CMD_CTR 0x00

#define	SI1133_CMD_START 0x13

#define	SI1133_CONFIG_I2C_BUS_ADDRESS (0xAA)

#define	SI1133_CONFIG_I2C_DEVICE (I2C0)

#define	SI1133_ERROR_I2C_TRANSACTION_FAILED 0x0001

#define	SI1133_ERROR_SLEEP_FAILED 0x0002

#define	SI1133_I2C_DEVICE (SI1133_CONFIG_I2C_DEVICE)

#define	SI1133_I2C_DEVICE_BUS_ADDRESS (SI1133_CONFIG_I2C_BUS_ADDRESS)

#define	SI1133_OK 0x0000

#define	SI1133_PARAM_ADCCONFIG0 0x02

#define	SI1133_PARAM_ADCCONFIG1 0x06

#define	SI1133_PARAM_ADCCONFIG2 0x0A

#define	SI1133_PARAM_ADCCONFIG3 0x0E

#define	SI1133_PARAM_ADCCONFIG4 0x12

#define	SI1133_PARAM_ADCCONFIG5 0x16

#define	SI1133_PARAM_ADCPOST0 0x04

#define	SI1133_PARAM_ADCPOST1 0x08

#define	SI1133_PARAM_ADCPOST2 0x0C

#define	SI1133_PARAM_ADCPOST3 0x10

#define	SI1133_PARAM_ADCPOST4 0x14

#define	SI1133_PARAM_ADCPOST5 0x18

#define	SI1133_PARAM_ADCSENS0 0x03

#define	SI1133_PARAM_ADCSENS1 0x07

#define	SI1133_PARAM_ADCSENS2 0x0B

#define	SI1133_PARAM_ADCSENS3 0x0F

#define	SI1133_PARAM_ADCSENS4 0x13

#define	SI1133_PARAM_ADCSENS5 0x17

#define	SI1133_PARAM_BURST 0x2B

#define	SI1133_PARAM_CH_LIST 0x01

#define	SI1133_PARAM_I2C_ADDR 0x00

#define	SI1133_PARAM_MEASCONFIG0 0x05

#define	SI1133_PARAM_MEASCONFIG1 0x09

#define	SI1133_PARAM_MEASCONFIG2 0x0D

#define	SI1133_PARAM_MEASCONFIG3 0x11

#define	SI1133_PARAM_MEASCONFIG4 0x15

#define	SI1133_PARAM_MEASCONFIG5 0x19

#define	SI1133_PARAM_MEASCOUNT0 0x1C

#define	SI1133_PARAM_MEASCOUNT1 0x1D

#define	SI1133_PARAM_MEASCOUNT2 0x1E

#define	SI1133_PARAM_MEASRATE_H 0x1A

#define	SI1133_PARAM_MEASRATE_L 0x1B

#define	SI1133_PARAM_THRESHOLD0_H 0x25

#define	SI1133_PARAM_THRESHOLD0_L 0x26

#define	SI1133_PARAM_THRESHOLD1_H 0x27

#define	SI1133_PARAM_THRESHOLD1_L 0x28

#define	SI1133_PARAM_THRESHOLD2_H 0x29

#define	SI1133_PARAM_THRESHOLD2_L 0x2A

#define	SI1133_REG_COMMAND 0x0B

#define	SI1133_REG_HOSTIN0 0x0A

#define	SI1133_REG_HOSTOUT0 0x13

#define	SI1133_REG_HOSTOUT1 0x14

#define	SI1133_REG_HOSTOUT10 0x1D

#define	SI1133_REG_HOSTOUT11 0x1E

#define	SI1133_REG_HOSTOUT12 0x1F

#define	SI1133_REG_HOSTOUT13 0x20

#define	SI1133_REG_HOSTOUT14 0x21

#define	SI1133_REG_HOSTOUT15 0x22

#define	SI1133_REG_HOSTOUT16 0x23

#define	SI1133_REG_HOSTOUT17 0x24

#define	SI1133_REG_HOSTOUT18 0x25

#define	SI1133_REG_HOSTOUT19 0x26

#define	SI1133_REG_HOSTOUT2 0x15

#define	SI1133_REG_HOSTOUT20 0x27

#define	SI1133_REG_HOSTOUT21 0x28

#define	SI1133_REG_HOSTOUT22 0x29

#define	SI1133_REG_HOSTOUT23 0x2A

#define	SI1133_REG_HOSTOUT24 0x2B

#define	SI1133_REG_HOSTOUT25 0x2C

#define	SI1133_REG_HOSTOUT3 0x16

#define	SI1133_REG_HOSTOUT4 0x17

#define	SI1133_REG_HOSTOUT5 0x18

#define	SI1133_REG_HOSTOUT6 0x19

#define	SI1133_REG_HOSTOUT7 0x1A

#define	SI1133_REG_HOSTOUT8 0x1B

#define	SI1133_REG_HOSTOUT9 0x1C

#define	SI1133_REG_HW_ID 0x01

#define	SI1133_REG_IRQ_ENABLE 0x0F

#define	SI1133_REG_IRQ_STATUS 0x12

#define	SI1133_REG_PART_ID 0x00

#define	SI1133_REG_RESPONSE0 0x11

#define	SI1133_REG_RESPONSE1 0x10

#define	SI1133_REG_REV_ID 0x02

#define	SI1133_RSP0_CHIPSTAT_MASK 0xE0

#define	SI1133_RSP0_COUNTER_MASK 0x1F

#define	SI1133_RSP0_SLEEP 0x20

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...

Detailed Description

License

Data Structures

Macros

Functions