/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file sts_aq_sht3x.c *
* @author Yunhorn (r) Technology Limited Application Team *
* @brief Yunhorn (r) SmarToilets (r) Product configuration file. *
******************************************************************************
* @attention
*
* Copyright (c) 2025 Yunhorn Technology Limited.
* Copyright (c) 2025 Shenzhen Yunhorn Technology Co., Ltd.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
#include "sensirion_common.h"
#include "sensirion_i2c_hal.h"
#include "sht3x_i2c.h"
#include <stdio.h> // printf
#define sensirion_hal_sleep_us sensirion_i2c_hal_sleep_usec
int uut_sht3x_main(void) {
int16_t error = NO_ERROR;
sensirion_i2c_hal_init();
sht3x_init(SHT30_I2C_ADDR_44);
sht3x_stop_measurement();
sensirion_hal_sleep_us(1000);
sht3x_soft_reset();
sensirion_hal_sleep_us(100000);
uint16_t a_status_register = 0u;
error = sht3x_read_status_register(&a_status_register);
if (error != NO_ERROR) {
printf("error executing read_status_register(): %d\n", error);
return error;
}
printf("a_status_register: %02x\n", a_status_register);
int32_t a_temperature = 0;
int32_t a_humidity = 0;
uint16_t repetition = 0;
for (repetition = 0; repetition < 50; repetition++) {
error = sht3x_measure_single_shot(REPEATABILITY_MEDIUM, false,
&a_temperature, &a_humidity);
if (error != NO_ERROR) {
printf("error executing measure_single_shot(): %d\n", error);
continue;
}
printf("a_temperature [milli degC]: %li ", a_temperature);
printf("a_humidity [milli RH]: %li\n", a_humidity);
}
return NO_ERROR;
}
/*
* THIS FILE IS AUTOMATICALLY GENERATED
*
* Generator: sensirion-driver-generator 0.33.0
* Product: sht3x
* Model-Version: 2.0.0
*/
/*
* Copyright (c) 2023, Sensirion AG
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of Sensirion AG nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#if 0
#include "sensirion_common.h"
#include "sensirion_i2c_hal.h"
#include "sht3x_i2c.h"
#include <stdio.h> // printf
#define sensirion_hal_sleep_us sensirion_i2c_hal_sleep_usec
int main(void) {
int16_t error = NO_ERROR;
sensirion_i2c_hal_init();
sht3x_init(SHT30_I2C_ADDR_44);
sht3x_stop_measurement();
sensirion_hal_sleep_us(1000);
sht3x_soft_reset();
sensirion_hal_sleep_us(100000);
uint16_t a_status_register = 0u;
error = sht3x_read_status_register(&a_status_register);
if (error != NO_ERROR) {
printf("error executing read_status_register(): %i\n", error);
return error;
}
printf("a_status_register: %02x\n", a_status_register);
error = sht3x_start_periodic_measurement(REPEATABILITY_MEDIUM,
MPS_ONE_PER_SECOND);
if (error != NO_ERROR) {
printf("error executing start_periodic_measurement(): %i\n", error);
return error;
}
int32_t a_temperature = 0.0;
int32_t a_humidity = 0.0;
uint16_t repetition = 0;
for (repetition = 0; repetition < 50; repetition++) {
error = sht3x_blocking_read_measurement(&a_temperature, &a_humidity);
if (error != NO_ERROR) {
printf("error executing blocking_read_measurement(): %i\n", error);
continue;
}
printf("a_temperature [milli degC]: %li ", a_temperature);
printf("a_humidity [milli RH]: %li\n", a_humidity);
}
error = sht3x_stop_measurement();
if (error != NO_ERROR) {
return error;
}
return NO_ERROR;
}
#endif
#if 0
#include "sht3x.h"
#include "usart.h"
#include "stdio.h"
#include "i2c.h"
#include "stm32f0xx_hal_i2c.h"
#include "system.h"
#define SHT3x_ADDR_WRITE 0x44<<1 //10001000
#define SHT3x_ADDR_READ (0x44<<1)+1 //10001011
/* 描述：向SHT30发送一条16bit指令
* 参数cmd：SHT30指令（在SHT30_MODE中枚举定义）
* 返回值：发送成功返回0，发送失败返回1 */
static uint8_t SHT3x_Send_Cmd(SHT3X_CMD cmd)
{
uint8_t cmd_buffer[2];
cmd_buffer[0] = cmd >> 8;
cmd_buffer[1] = cmd;
return HAL_I2C_Master_Transmit(&hi2c1, SHT3x_ADDR_WRITE, (uint8_t* )cmd_buffer, 2, 0xFFFF);
}
/**
* @brief 复位SHT30
* @param none
* @retval none
*/
void SHT3x_Reset(void)
{
SHT3x_Send_Cmd(SOFT_RESET_CMD);
HAL_Delay(20);
}
/* 描述：SHT3x初始化函数，并将其设置为周期测量模式
* 参数：无
* 返回值：初始化成功返回0，初始化失败返回1 */
uint8_t SHT3x_Init(void)
{
uint8_t ret;
ret = SHT3x_Send_Cmd(MEDIUM_2_CMD);
return ret;
}
/* 描述：数据CRC校验
* 参数message：需要校验的数据
* 参数initial_value：crc初始值
* 返回值：计算得到的CRC码 */
#define CRC8_POLYNOMIAL 0x31
uint8_t CheckCrc8(uint8_t* const message, uint8_t initial_value)
{
uint8_t remainder; //余数
uint8_t i = 0, j = 0; //循环变量
/* 初始化 */
remainder = initial_value;
for(j = 0; j < 2;j++)
{
remainder ^= message[j];
/* 从最高位开始依次计算 */
for (i = 0; i < 8; i++)
{
if (remainder & 0x80)
remainder = (remainder << 1)^CRC8_POLYNOMIAL;
else
remainder = (remainder << 1);
}
}
/* 返回计算的CRC码 */
return remainder;
}
/* 描述：温湿度数据获取函数,周期读取，注意，需要提前设置周期模式
* 参数Tem_val：存储温度数据的指针, 温度单位为°C
* 参数Hum_val：存储湿度数据的指针, 温度单位为%
* 返回值：0-读取成功，1-读取失败
********************************************************************/
uint8_t SHT3x_Get_Humiture_periodic(double *Tem_val,double *Hum_val)
{
uint8_t ret=0;
uint8_t buff[6]={0};
uint16_t tem,hum;
double Temperature=0;
double Humidity=0;
ret=SHT3x_Send_Cmd(READOUT_FOR_PERIODIC_MODE);
//Delay_us(4);
LL_mDelay(50);
ret=HAL_I2C_Master_Receive(&hi2c1, SHT3x_ADDR_READ, buff, 6, 0xFFFF);
/* 校验温度数据和湿度数据是否接收正确 */
if(CheckCrc8(buff, 0xFF) != buff[2] || CheckCrc8(&buff[3], 0xFF) != buff[5])
{
printf("CRC_ERROR,ret = 0x%x\r\n",ret);
return 1;
}
/* 转换温度数据 */
tem = (((uint16_t)buff[0]<<8) | buff[1]);//温度数据拼接
Temperature= (175.0*(double)tem/65535.0-45.0) ; // T = -45 + 175 * tem / (2^16-1)
/* 转换湿度数据 */
hum = (((uint16_t)buff[3]<<8) | buff[4]);//湿度数据拼接
Humidity= (100.0*(double)hum/65535.0); // RH = hum*100 / (2^16-1)
/* 过滤错误数据 */
if((Temperature>=-20)&&(Temperature<=125)&&(Humidity>=0)&&(Humidity<=100))
{
*Tem_val = Temperature;
*Hum_val = Humidity;
return 0;
}
else
return 1;
}
/* 描述：温湿度数据获取函数，单次获取
* 参数Tem_val：存储温度数据的指针, 温度单位为°C
* 参数Hum_val：存储湿度数据的指针, 温度单位为%
* 返回值：0-读取成功，1-读取失败
********************************************************************/
uint8_t SHT3x_Get_Humiture_single(double *Tem_val,double *Hum_val)
{
uint8_t ret=0;
uint8_t buff[6];
uint16_t tem,hum;
double Temperature=0;
double Humidity=0;
SHT3x_Send_Cmd(HIGH_ENABLED_CMD);
HAL_Delay(50);
ret=HAL_I2C_Master_Receive(&hi2c1, SHT3x_ADDR_READ, buff, 6, 0xFFFF);
/* 校验温度数据和湿度数据是否接收正确 */
if(CheckCrc8(buff, 0xFF) != buff[2] || CheckCrc8(&buff[3], 0xFF) != buff[5])
{
printf("CRC_ERROR,ret = 0x%x\r\n",ret);
return 1;
}
/* 转换温度数据 */
tem = (((uint16_t)buff[0]<<8) | buff[1]);//温度数据拼接
Temperature= (175.0*(double)tem/65535.0-45.0) ; // T = -45 + 175 * tem / (2^16-1)
/* 转换湿度数据 */
hum = (((uint16_t)buff[3]<<8) | buff[4]);//湿度数据拼接
Humidity= (100.0*(double)hum/65535.0); // RH = hum*100 / (2^16-1)
/* 过滤错误数据 */
if((Temperature>=-20)&&(Temperature<=125)&&(Humidity>=0)&&(Humidity<=100))
{
*Tem_val = Temperature;
*Hum_val = Humidity;
return 0;
}
else
return 1;
}
#endif