/**********************************************************************
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* Copyright: (C)2024 LingYun IoT System Studio
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* Author: GuoWenxue<guowenxue@gmail.com>
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*
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* Description: SHT20 Temperature & humidity sensor driver on ISKBoard
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*
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* ChangeLog:
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* Version Date Author Description
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* V1.0.0 2024.08.29 GuoWenxue Release initial version
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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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#include "i2c_bitbang.h"
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/**
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* @brief SHT20 初始化并软复位芯片
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* @param bus: 绑定的 I2C 物理总线指针
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* @retval 0: 成功; -1: 失败
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*/
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extern int sht20_init(i2c_bus_t *bus);
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/**
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* @brief 应用层温湿度采样接口函数
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* @param temperature: 存放输出温度结果的指针
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* @param humidity: 存放输出湿度结果的指针
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* @retval 0: 采样成功且CRC通过; -1: 采样或校验失败
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*/
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extern int sht20_sample_TrH(float *temperature, float *humidity);
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#endif
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