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/* * Copyright (c) 2017 Intel Corporation * Copyright (c) 2018 Phytec Messtechnik GmbH * * SPDX-License-Identifier: Apache-2.0 */ #include <zephyr/kernel.h> #include <zephyr/drivers/sensor.h> #include <zephyr/device.h> #include <stdio.h> #include <zephyr/sys/printk.h> #ifdef CONFIG_APDS9960_TRIGGER K_SEM_DEFINE(sem, 0, 1); static void trigger_handler(const struct device *dev, const struct sensor_trigger *trigger) { ARG_UNUSED(dev); ARG_UNUSED(trigger); k_sem_give(&sem); } #endif int main(void) { const struct device *dev; struct sensor_value intensity, pdata; printk("APDS9960 sample application\n"); dev = DEVICE_DT_GET_ONE(avago_apds9960); if (!device_is_ready(dev)) { printk("sensor: device not ready.\n"); return 0; } #ifdef CONFIG_APDS9960_TRIGGER struct sensor_value attr = { .val1 = 127, .val2 = 0, }; if (sensor_attr_set(dev, SENSOR_CHAN_PROX, SENSOR_ATTR_UPPER_THRESH, &attr)) { printk("Could not set threshold\n"); return 0; } struct sensor_trigger trig = { .type = SENSOR_TRIG_THRESHOLD, .chan = SENSOR_CHAN_PROX, }; if (sensor_trigger_set(dev, &trig, trigger_handler)) { printk("Could not set trigger\n"); return 0; } #endif while (true) { #ifdef CONFIG_APDS9960_TRIGGER printk("Waiting for a threshold event\n"); k_sem_take(&sem, K_FOREVER); #else k_sleep(K_MSEC(5000)); #endif if (sensor_sample_fetch(dev)) { printk("sensor_sample fetch failed\n"); } sensor_channel_get(dev, SENSOR_CHAN_LIGHT, &intensity); sensor_channel_get(dev, SENSOR_CHAN_PROX, &pdata); printk("ambient light intensity %d, proximity %d\n", intensity.val1, pdata.val1); #ifdef CONFIG_PM_DEVICE pm_device_action_run(dev, PM_DEVICE_ACTION_SUSPEND); printk("set low power state for 2s\n"); k_sleep(K_MSEC(2000)); pm_device_action_run(dev, PM_DEVICE_ACTION_RESUME); #endif } } |