/*********************************************************************************
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* Copyright: (C) 2023 LingYun IoT System Studio
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* All rights reserved.
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*
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* Filename: sht20.c
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* Description: This file is temperature and relative humidity sensor SHT20 code
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*
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* Version: 1.0.0(10/08/23)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "10/08/23 17:52:00"
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*
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* Pin connection:
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* STH20 Module Raspberry Pi Board
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* VCC <-----> #Pin1(3.3V)
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* SDA <-----> #Pin3(SDA, BCM GPIO2)
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* SCL <-----> #Pin5(SCL, BCM GPIO3)
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* GND <-----> GND
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*
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* /boot/config.txt:
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* dtoverlay=i2c1,pins_2_3
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*
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********************************************************************************/
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#ifndef _SHT20_H_
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#define _SHT20_H_
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#define SHT20_I2CDEV "/dev/i2c-1"
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#define SHT20_I2CADDR 0x40
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extern int sht2x_get_temp_humidity(float *temp, float *rh);
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#endif /* ----- #ifndef _SHT20_H_ ----- */
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