EFM32 Gecko Software Documentation  efm32g-doc-5.1.2
si7013.h File Reference

Detailed Description

Driver for the Si7013 Temperature / Humidity sensor.

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 si7013.h.

#include "em_device.h"
#include <stdbool.h>

Go to the source code of this file.

Macros

#define SI7013_ADDR   0x82
 
#define SI7013_DEVICE_ID   0x0D
 
#define SI7020_DEVICE_ID   0x14
 
#define SI7021_ADDR   0x80
 
#define SI7021_DEVICE_ID   0x21
 

Functions

bool Si7013_Detect (I2C_TypeDef *i2c, uint8_t addr, uint8_t *deviceId)
 Checks if a Si7013 is present on the I2C bus or not. More...
 
int32_t Si7013_GetFirmwareRevision (I2C_TypeDef *i2c, uint8_t addr, uint8_t *fwRev)
 Reads Firmware Revision from a Si7013 sensor. More...
 
int32_t Si7013_MeasureRHAndTemp (I2C_TypeDef *i2c, uint8_t addr, uint32_t *rhData, int32_t *tData)
 Reads relative humidity and temperature from a Si7013 sensor. More...
 
int32_t Si7013_MeasureV (I2C_TypeDef *i2c, uint8_t addr, int32_t *vData)
 Reads relative humidity and temperature from a Si7013 sensor. More...
 
int32_t Si7013_ReadNoHoldRHAndTemp (I2C_TypeDef *i2c, uint8_t addr, uint32_t *rhData, int32_t *tData)
 Reads relative humidity and temperature from a Si7013 sensor. More...
 
int32_t Si7013_StartNoHoldMeasureRHAndTemp (I2C_TypeDef *i2c, uint8_t addr)
 Starts no hold measurement of relative humidity and temperature from a Si7013 sensor. More...