//=============================================================================
//????S?E?N?S?I?R?I?O?N???AG??Laubisruetistr.?50?CH-8712?Staefa?Switzerland
//=============================================================================
//?Project???:??SHT3x?Sample?Code?（V1.1）
//?File??????:??sht3x.c?（V1.1）
//?Author????:??RFU
//?Date??????:??6-Mai-2015
//?Controller:??STM32F100RB
//?IDE???????:??礦ision?V5.12.0.0
//?Compiler??:??Armcc
//?Brief?????:??Sensor?layer:?Implementation?of?functions?for?sensor?access.
//=============================================================================

//--?Includes?-----------------------------------------------------------------
#include?“sht3x.h“
#include?“gpio.h“
extern?float?tem_temp_displayftem_humi_displayf;

//--?Defines?------------------------------------------------------------------
//?Generator?polynomial?for?CRC
//--?Defines?------------------------------------------------------------------
//?Generator?polynomial?for?CRC
#define?POLYNOMIAL??0x131?//?P（x）?=?x^8?+?x^5?+?x^4?+?1?=?100110001

//=============================================================================
//?IO-Pins????????????????????????????/*?--?adapt?the?defines?for?your?uC?--?*/
//-----------------------------------------------------------------------------
//?Reset?on?port?B?bit?12
#define?RESET_LOW（）??LED_GREEN_ON//?set?Reset?to?low
#define?RESET_HIGH（）?LED_GREEN_OFF?//?set?Reset?to?high

//?Alert?on?port?B?bit?10
#define?ALERT_READ????????//?read?Alert
//=============================================================================

//--?Global?variables?---------------------------------------------------------
static?u8t?_i2cAddress;?//?I2C?Address

//--?Static?function?prototypes?-----------------------------------------------
static?etError?SHT3X_WriteAlertLimitData（ft?humidity?ft?temperature）;
static?etError?SHT3X_ReadAlertLimitData（ft*?humidity?ft*?temperature）;
static?etError?SHT3X_StartWriteAccess（void）;
static?etError?SHT3X_StartReadAccess（void）;
static?void?SHT3X_StopAccess（void）;
static?etError?SHT3X_WriteCommand（etCommands?command）;
static?etError?SHT3X_Read2BytesAndCrc（u16t*?data?etI2cAck?finaleAckNack
??????????????????????????????????????u8t?timeout）;
static?etError?SHT3X_Write2BytesAndCrc（u16t?data）;
static?u8t?SHT3X_CalcCrc（u8t?data[]?u8t?nbrOfBytes）;
static?etError?SHT3X_CheckCrc（u8t?data[]?u8t?nbrOfBytes?u8t?checksum）;
static?ft?SHT3X_CalcTemperature（u16t?rawValue）;
static?ft?SHT3X_CalcHumidity（u16t?rawValue）;
static?u16t?SHT3X_CalcRawTemperature（ft?temperature）;
static?u16t?SHT3X_CalcRawHumidity（ft?humidity）;

//=============================================================================
//?IO-Pins????????????????????????????/*?--?adapt?the?defines?for?your?uC?--?*/
//-----------------------------------------------------------------------------
//?Reset?on?port?B?bit?12
//#define?RESET_LOW（）??（GPIOB->BSRR?=?0x10000000）?//?set?Reset?to?

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????32725??2020-01-15?14:23??sht3x\sht3x.c
?????文件???????16793??2020-01-15?14:24??sht3x\sht3x.h
?????目錄???????????0??2020-01-15?14:29??sht3x\