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82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/******************************************************************************
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* 作者：kerwincui
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* 时间：2021-06-08
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* 邮箱：164770707@qq.com
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* 源码地址：https://gitee.com/kerwincui/wumei-smart
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* author: kerwincui
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* create: 2021-06-08
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* email：164770707@qq.com
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* source:https://github.com/kerwincui/wumei-smart
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******************************************************************************/
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#include "i2c_temp.h"
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#include "common.h"
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#include <stdio.h>
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#include "unity.h"
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#include "driver/i2c.h"
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#include "i2c_bus.h"
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#include "esp_system.h"
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#include "sht3x.h"
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#define I2C_MASTER_SCL_IO (gpio_num_t)IO_SENSOR_SCL /*!< gpio number for I2C master clock */
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#define I2C_MASTER_SDA_IO (gpio_num_t)IO_SENSOR_SDA /*!< gpio number for I2C master data */
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#define I2C_MASTER_NUM I2C_NUM_1 /*!< I2C port number for master dev */
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#define I2C_MASTER_FREQ_HZ 100000 /*!< I2C master clock frequency */
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static i2c_bus_handle_t i2c_bus = NULL;
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static sht3x_handle_t sht3x = NULL;
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/**
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* @brief i2c master initialization
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*/
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static void sht3x_init()
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{
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i2c_config_t conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = I2C_MASTER_SDA_IO,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_io_num = I2C_MASTER_SCL_IO,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = I2C_MASTER_FREQ_HZ,
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};
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i2c_bus = i2c_bus_create(I2C_MASTER_NUM, &conf);
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sht3x = sht3x_create(i2c_bus, SHT3x_ADDR_PIN_SELECT_VSS);
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sht3x_set_measure_mode(sht3x, SHT3x_PER_2_MEDIUM); /*!< here read data in periodic mode*/
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}
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void sht3x_deinit()
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{
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sht3x_delete(&sht3x);
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i2c_bus_delete(&i2c_bus);
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}
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static void sht3x_get_data()
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{
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float Tem_val, Hum_val;
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int cnt = 1000;
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while (cnt--) {
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if (sht3x_get_humiture(sht3x, &Tem_val, &Hum_val) == 0) {
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printf("temperature %.2f°C ", Tem_val);
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printf("humidity:%.2f %%\n", Hum_val);
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}
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vTaskDelay(3000 / portTICK_RATE_MS);
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}
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}
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void i2c_temp_start(void)
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{
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sht3x_init();
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// vTaskDelay(1000 / portTICK_RATE_MS);
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// sht3x_get_data();
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// sht3x_deinit();
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}
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//获取空气温湿度
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void get_temp_humi(){
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if (sht3x_get_humiture(sht3x, &air_temperature, &air_humidity) == 0) {
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printf("temperature %.2f°C ", air_temperature);
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printf("humidity:%.2f %%\n", air_humidity);
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}
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}
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