zephyr/samples/sensor/max44009/src/main.c
Anas Nashif ee23f1464b sensors: max44009: convert to and build with unified kernel
Change-Id: I024d00dfd264b9ca8afb682f4146176678440ed8
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-03 01:45:49 +00:00

59 lines
1.4 KiB
C

/*
* Copyright (c) 2016 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <zephyr.h>
#include <misc/printk.h>
#include <sensor.h>
/**
* @file Sample app using the MAX44009 light sensor through ARC I2C.
*
* This app will read the sensor reading via I2C interface and show
* the result every 4 seconds.
*/
void main(void)
{
struct device *dev;
struct sensor_value val;
uint32_t lum = 0;
printk("MAX44009 light sensor application\n");
dev = device_get_binding("MAX44009");
if (!dev) {
printk("sensor: device not found.\n");
return;
}
while (1) {
if (sensor_sample_fetch_chan(dev, SENSOR_CHAN_LIGHT) != 0) {
printk("sensor: sample fetch fail.\n");
return;
}
if (sensor_channel_get(dev, SENSOR_CHAN_LIGHT, &val) != 0) {
printk("sensor: channel get fail.\n");
return;
}
lum = val.dval;
printk("sensor: lum reading: %d\n", lum);
k_sleep(4000);
}
}