ESP32学习笔记（17）——I2C接口使用

        } else if (ret == ESP_OK) {

            printf('*******************n');

            printf('MASTER READ SENSOR( BH1750 )n');

            printf('*******************n');

            printf('data_h: %02xn', sensor_data_h);

            printf('data_l: %02xn', sensor_data_l);

            printf('sensor val: %.02f [Lux]n', (sensor_data_h << 8 | sensor_data_l) / 1.2);

        } else {

            ESP_LOGW(TAG, '%s: No ack, sensor not connected...skip...', esp_err_to_name(ret));

        }

        xSemaphoreGive(print_mux);

        vTaskDelay(1000 / portTICK_RATE_MS);

    }

    vSemaphoreDelete(print_mux);

    vTaskDelete(NULL);

}

void app_main(void)

{

    print_mux = xSemaphoreCreateMutex();

    ESP_ERROR_CHECK(I2C_Init());

    xTaskCreate(i2c_test_task, 'i2c_test_task_0', 1024 * 2, NULL, 10, NULL);

}

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