shtc1_example_usage.c

/*
 * Copyright (c) 2018, 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.
 */

/* #include <stdio.h> // printf
 * #include <unistd.h> // sleep
 */
#include "shtc1.h"

/**
 * TO USE CONSOLE OUTPUT (PRINTF) AND WAIT (SLEEP) PLEASE ADAPT THEM TO YOUR
 * PLATFORM
 */

int main(void) {
    /* Initialize the i2c bus for the current platform */
    sensirion_i2c_init();

    /* Busy loop for initialization, because the main loop does not work without
     * a sensor.
     */
    while (shtc1_probe() != STATUS_OK) {
        /* printf("SHT sensor probing failed\n"); */
    }
    /* printf("SHT sensor probing successful\n"); */

    while (1) {
        int32_t temperature, humidity;
        /* Measure temperature and relative humidity and store into variables
         * temperature, humidity (each output multiplied by 1000).
         */
        int8_t ret = shtc1_measure_blocking_read(&temperature, &humidity);
        if (ret == STATUS_OK) {
            /* printf("measured temperature: %0.2f degreeCelsius, "
                      "measured humidity: %0.2f percentRH\n",
                      temperature / 1000.0f,
                      humidity / 1000.0f); */
        } else {
            /* printf("error reading measurement\n"); */
        }

        /* sleep(1); */
    }
    return 0;
}