079f55d519
Add 'U' to a value when assigning it to an unsigned variable. MISRA-C rule 7.2 Signed-off-by: Patrik Flykt <patrik.flykt@intel.com>
49 lines
916 B
C
49 lines
916 B
C
/*
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* Copyright (c) 2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <misc/printk.h>
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#include <sensor.h>
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/**
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* @file Sample app using the MAX44009 light sensor through ARC I2C.
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*
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* This app will read the sensor reading via I2C interface and show
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* the result every 4 seconds.
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*/
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void main(void)
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{
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struct device *dev;
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struct sensor_value val;
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u32_t lum = 0U;
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printk("MAX44009 light sensor application\n");
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dev = device_get_binding("MAX44009");
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if (!dev) {
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printk("sensor: device not found.\n");
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return;
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}
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while (1) {
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if (sensor_sample_fetch_chan(dev, SENSOR_CHAN_LIGHT) != 0) {
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printk("sensor: sample fetch fail.\n");
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return;
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}
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if (sensor_channel_get(dev, SENSOR_CHAN_LIGHT, &val) != 0) {
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printk("sensor: channel get fail.\n");
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return;
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}
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lum = val.val1;
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printk("sensor: lum reading: %d\n", lum);
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k_sleep(4000);
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}
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}
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