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83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/*
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* Copyright (C) 2016 Bas Stottelaar <basstottelaar@gmail.com>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief Test application for the Si7006/13/20/21 sensor driver
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*
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* @author Bas Stottelaar <basstottelaar@gmail.com>
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*
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* @}
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*/
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#include <stdio.h>
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#include "timex.h"
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#include "ztimer.h"
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#include "si70xx_params.h"
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#include "si70xx.h"
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int main(void)
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{
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si70xx_t dev;
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puts("SI70XX temperature and humidity sensor test application");
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/* initialize the sensor */
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puts("Initializing sensor... ");
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if (si70xx_init(&dev, &si70xx_params[0]) == 0) {
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puts("[OK]");
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}
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else {
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puts("[Failed]");
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return 1;
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}
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printf("Found SI70%02d sensor, revision %d\n", si70xx_get_id(&dev),
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si70xx_get_revision(&dev));
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/* read temperature and humidity every 1 seconds */
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bool both = false;
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while (1) {
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int16_t temperature;
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#if SI70XX_HAS_HUMIDITY_SENSOR
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uint16_t humidity;
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/* rotate the way of getting the data */
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if (both) {
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si70xx_get_both(&dev, &humidity, &temperature);
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}
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else {
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temperature = si70xx_get_temperature(&dev);
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humidity = si70xx_get_relative_humidity(&dev);
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}
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#else /* SI70XX_HAS_HUMIDITY_SENSOR */
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temperature = si70xx_get_temperature(&dev);
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#endif /* SI70XX_HAS_HUMIDITY_SENSOR */
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both = !both;
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/* display results */
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#if SI70XX_HAS_HUMIDITY_SENSOR
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printf("relative humidity: %d.%02d\n", humidity / 100, humidity % 100);
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#endif /* SI70XX_HAS_HUMIDITY_SENSOR */
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printf("temperature: %d.%02d C\n", temperature / 100,
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temperature % 100);
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/* sleep between measurements */
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ztimer_sleep(ZTIMER_MSEC, MS_PER_SEC); /* 1s delay */
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}
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return 0;
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}
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