| /* |
| * Copyright (c) 2016 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr.h> |
| #include <sys/printk.h> |
| #include <drivers/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; |
| u32_t lum = 0U; |
| |
| 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.val1; |
| printk("sensor: lum reading: %d\n", lum); |
| |
| k_sleep(K_MSEC(4000)); |
| } |
| } |