| /* |
| * Copyright (c) 2016 Intel Corporation. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr.h> |
| #include <device.h> |
| #include <sensor.h> |
| #include <stdio.h> |
| |
| #ifdef CONFIG_MCP9808_TRIGGER |
| static void trigger_handler(struct device *dev, struct sensor_trigger *trig) |
| { |
| struct sensor_value temp; |
| |
| sensor_sample_fetch(dev); |
| sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp); |
| |
| printf("trigger fired, temp %d.%06d\n", temp.val1, temp.val2); |
| } |
| #endif |
| |
| void main(void) |
| { |
| struct device *dev = device_get_binding("MCP9808"); |
| |
| if (dev == NULL) { |
| printf("device not found. aborting test.\n"); |
| return; |
| } |
| |
| #ifdef DEBUG |
| printf("dev %p\n", dev); |
| printf("dev %p name %s\n", dev, dev->config->name); |
| #endif |
| |
| #ifdef CONFIG_MCP9808_TRIGGER |
| struct sensor_value val; |
| struct sensor_trigger trig; |
| |
| val.val1 = 26; |
| val.val2 = 0; |
| |
| sensor_attr_set(dev, SENSOR_CHAN_AMBIENT_TEMP, |
| SENSOR_ATTR_UPPER_THRESH, &val); |
| |
| trig.type = SENSOR_TRIG_THRESHOLD; |
| trig.chan = SENSOR_CHAN_AMBIENT_TEMP; |
| |
| if (sensor_trigger_set(dev, &trig, trigger_handler)) { |
| printf("Could not set trigger. aborting test.\n"); |
| return; |
| } |
| #endif |
| |
| while (1) { |
| struct sensor_value temp; |
| int rc; |
| |
| rc = sensor_sample_fetch(dev); |
| if (rc != 0) { |
| printf("sensor_sample_fetch error: %d\n", rc); |
| break; |
| } |
| |
| rc = sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp); |
| if (rc != 0) { |
| printf("sensor_channel_get error: %d\n", rc); |
| break; |
| } |
| |
| printf("temp: %d.%06d\n", temp.val1, temp.val2); |
| |
| k_sleep(2000); |
| } |
| } |