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