| /* |
| * Copyright (c) 2017 PHYTEC Messtechnik GmbH |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr.h> |
| #include <device.h> |
| #include <drivers/sensor.h> |
| #include <sys/printk.h> |
| |
| static struct sensor_value temp_value[64]; |
| |
| #ifdef CONFIG_AMG88XX_TRIGGER |
| K_SEM_DEFINE(sem, 0, 1); |
| |
| static void trigger_handler(const struct device *dev, |
| struct sensor_trigger *trigger) |
| { |
| ARG_UNUSED(dev); |
| ARG_UNUSED(trigger); |
| |
| k_sem_give(&sem); |
| } |
| #endif |
| |
| |
| void print_buffer(void *ptr, size_t l) |
| { |
| struct sensor_value *tv = ptr; |
| int ln = 0; |
| |
| printk("---|"); |
| for (int i = 0; i < 8; i++) { |
| printk(" %02d ", i); |
| } |
| printk("\n"); |
| |
| printk("%03d|", ln); |
| for (int i = 0; i < l; i++) { |
| printk("%05d ", (tv[i].val1 * 100 + tv[i].val2 / 10000)); |
| if (!((i + 1) % 8)) { |
| printk("\n"); |
| ln++; |
| printk("%03d|", ln); |
| } |
| } |
| printk("\n"); |
| } |
| |
| void main(void) |
| { |
| int ret; |
| const struct device *dev = device_get_binding( |
| DT_LABEL(DT_INST(0, panasonic_amg88xx))); |
| |
| if (dev == NULL) { |
| printk("Could not get AMG88XX device\n"); |
| return; |
| } |
| |
| printk("device: %p, name: %s\n", dev, dev->name); |
| |
| #ifdef CONFIG_AMG88XX_TRIGGER |
| struct sensor_value attr = { |
| .val1 = 27, |
| .val2 = 0, |
| }; |
| |
| if (sensor_attr_set(dev, SENSOR_CHAN_AMBIENT_TEMP, |
| SENSOR_ATTR_UPPER_THRESH, &attr)) { |
| printk("Could not set threshold\n"); |
| return; |
| } |
| |
| struct sensor_trigger trig = { |
| .type = SENSOR_TRIG_THRESHOLD, |
| .chan = SENSOR_CHAN_AMBIENT_TEMP, |
| }; |
| |
| if (sensor_trigger_set(dev, &trig, trigger_handler)) { |
| printk("Could not set trigger\n"); |
| return; |
| } |
| #endif |
| |
| while (42) { |
| #ifdef CONFIG_AMG88XX_TRIGGER |
| printk("Waiting for a threshold event\n"); |
| k_sem_take(&sem, K_FOREVER); |
| #endif |
| |
| ret = sensor_sample_fetch(dev); |
| if (ret) { |
| printk("Failed to fetch a sample, %d\n", ret); |
| return; |
| } |
| |
| ret = sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, |
| (struct sensor_value *)temp_value); |
| if (ret) { |
| printk("Failed to get sensor values, %d\n", ret); |
| return; |
| } |
| |
| printk("new sample:\n"); |
| print_buffer(temp_value, ARRAY_SIZE(temp_value)); |
| |
| k_sleep(K_MSEC(1000)); |
| } |
| } |