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RIOT/tests/driver_hdc1000/main.c 1.58 KB
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  /*
   * Copyright (C) 2014 Freie Universitรคt 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 <hauke.petersen@fu-berlin.de>
   * @author      Johann Fischer <j.fischer@phytec.de>
   *
   * @}
   */
  
  #ifndef TEST_HDC1000_I2C
  #error "TEST_HDC1000_I2C not defined"
  #endif
  #ifndef TEST_HDC1000_ADDR
  #error "TEST_HDC1000_ADDR not defined"
  #endif
  
  #include <stdio.h>
  
  #include "xtimer.h"
  #include "hdc1000.h"
  
  #define SLEEP       (1000 * 1000U)
  
  int main(void)
  {
      hdc1000_t dev;
      uint16_t rawtemp, rawhum;
      int temp, hum;
  
      puts("HDC1000 Temperature and Humidity Sensor driver test application\n");
      printf("Initializing HDC1000 sensor at I2C_%i... ", TEST_HDC1000_I2C);
      if (hdc1000_init(&dev, TEST_HDC1000_I2C, TEST_HDC1000_ADDR) == 0) {
          puts("[OK]\n");
      }
      else {
          puts("[Failed]");
          return -1;
      }
  
      while (1) {
          if (hdc1000_startmeasure(&dev)) {
              puts("Start measure failed.");
              return -1;
          }
          xtimer_usleep(HDC1000_CONVERSION_TIME);
  
          hdc1000_read(&dev, &rawtemp, &rawhum);
          printf("Raw data T: %5i   RH: %5i\n", rawtemp, rawhum);
  
          hdc1000_convert(rawtemp, rawhum,  &temp, &hum);
          printf("Data T: %d   RH: %d\n", temp, hum);
  
          xtimer_usleep(SLEEP);
  
      }
  
      return 0;
  }