// Copyright 2020-2021 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include #include "unity.h" #include "driver/i2c.h" #include "i2c_bus.h" #include "esp_system.h" #include "sht3x.h" #define I2C_MASTER_SCL_IO (gpio_num_t)22 /*!< gpio number for I2C master clock */ #define I2C_MASTER_SDA_IO (gpio_num_t)21 /*!< gpio number for I2C master data */ #define I2C_MASTER_NUM I2C_NUM_1 /*!< I2C port number for master dev */ #define I2C_MASTER_FREQ_HZ 100000 /*!< I2C master clock frequency */ static i2c_bus_handle_t i2c_bus = NULL; static sht3x_handle_t sht3x = NULL; /** * @brief i2c master initialization */ static void sht3x_init_test() { i2c_config_t conf = { .mode = I2C_MODE_MASTER, .sda_io_num = I2C_MASTER_SDA_IO, .sda_pullup_en = GPIO_PULLUP_ENABLE, .scl_io_num = I2C_MASTER_SCL_IO, .scl_pullup_en = GPIO_PULLUP_ENABLE, .master.clk_speed = I2C_MASTER_FREQ_HZ, }; i2c_bus = i2c_bus_create(I2C_MASTER_NUM, &conf); sht3x = sht3x_create(i2c_bus, SHT3x_ADDR_PIN_SELECT_VSS); sht3x_set_measure_mode(sht3x, SHT3x_PER_2_MEDIUM); /*!< here read data in periodic mode*/ } static void sht3x_deinit_test() { sht3x_delete(&sht3x); i2c_bus_delete(&i2c_bus); } void sht3x_get_data_test() { float Tem_val, Hum_val; int cnt = 10; while (cnt--) { if (sht3x_get_humiture(sht3x, &Tem_val, &Hum_val) == 0) { printf("temperature %.2f°C ", Tem_val); printf("humidity:%.2f %%\n", Hum_val); } vTaskDelay(1000 / portTICK_RATE_MS); } } TEST_CASE("Sensor sht3x test", "[sht3x][iot][sensor]") { sht3x_init_test(); vTaskDelay(1000 / portTICK_RATE_MS); sht3x_get_data_test(); sht3x_deinit_test(); }