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52 lines
1.2 KiB
52 lines
1.2 KiB
/* |
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* Copyright (C) 2016 Freie Universität Berlin |
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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 BH1750FVI ambient light sensor driver |
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* |
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de> |
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* |
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* @} |
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*/ |
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#include <stdio.h> |
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#include "xtimer.h" |
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#include "bh1750fvi.h" |
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#include "bh1750fvi_params.h" |
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#define RATE (200LU * US_PER_MS) /* 200ms */ |
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int main(void) |
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{ |
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int res; |
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bh1750fvi_t dev; |
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xtimer_ticks32_t last = xtimer_now(); |
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puts("BH1750FVI ambient light sensor test\n"); |
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/* initialize the device */ |
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res = bh1750fvi_init(&dev, (bh1750fvi_params_t *)(&bh1750fvi_params)); |
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if (res != BH1750FVI_OK) { |
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puts("error: unable to initialize sensor [I2C initialization error]"); |
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return 1; |
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} |
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/* periodically sample the sensor */ |
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while(1) { |
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uint16_t val = bh1750fvi_sample(&dev); |
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printf("value: %5i lux\n", (int)val); |
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xtimer_periodic_wakeup(&last, RATE); |
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} |
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return 0; |
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}
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