/* 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 // 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 // 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