/* * Copyright (C) 2014-2017 Freie Universität Berlin * Copyright (C) 2014 PHYTEC Messtechnik GmbH * * This file is subject to the terms and conditions of the GNU Lesser * General Public License v2.1. See the file LICENSE in the top level * directory for more details. */ /** * @ingroup tests * @{ * * @file * @brief Test application for the HDC1000 sensor driver * * @author Hauke Petersen * @author Johann Fischer * * @} */ #include #include "fmt.h" #include "xtimer.h" #include "hdc1000.h" #include "hdc1000_params.h" #define SLEEP (1000 * 1000U) int main(void) { hdc1000_t dev; int16_t temp, hum; char tstr[8]; char hstr[8]; puts("HDC1000 Temperature and Humidity Sensor driver test application\n"); printf("Initializing HDC1000 sensor at I2C_DEV(%i)... ", (int)hdc1000_params[0].i2c); if (hdc1000_init(&dev, &hdc1000_params[0]) == HDC1000_OK) { puts("[OK]\n"); } else { puts("[Failed]"); return 1; } while (1) { size_t len; hdc1000_read(&dev, &temp, &hum); len = fmt_s16_dfp(tstr, temp, 2); tstr[len] = '\0'; len = fmt_s16_dfp(hstr, hum, 2); hstr[len] = '\0'; printf("Reading: T: %s °C RH: %s %%\n", tstr, hstr); xtimer_usleep(SLEEP); } return 0; }