| /* |
| * 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 <device.h> |
| #include <sensor.h> |
| #include <nanokernel.h> |
| #include <misc/printk.h> |
| |
| #if defined(CONFIG_STDOUT_CONSOLE) |
| #include <stdio.h> |
| #define PRINT printf |
| #else |
| #include <misc/printk.h> |
| #define PRINT printk |
| #endif |
| |
| #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_TEMP, &temp); |
| |
| PRINT("trigger fired, temp %d.%06d\n", temp.val1, temp.val2); |
| } |
| #endif |
| |
| void main(void) |
| { |
| struct device *dev = device_get_binding("MCP9808"); |
| |
| if (dev == NULL) { |
| printk("device not found. aborting test.\n"); |
| return; |
| } |
| |
| #ifdef DEBUG |
| PRINT("dev %p\n", dev); |
| PRINT("dev %p name %s\n", dev, dev->config->name); |
| #endif |
| |
| #ifdef CONFIG_MCP9808_TRIGGER |
| struct sensor_value val; |
| struct sensor_trigger trig; |
| |
| val.type = SENSOR_VALUE_TYPE_INT; |
| val.val1 = 26; |
| |
| sensor_attr_set(dev, SENSOR_CHAN_TEMP, |
| SENSOR_ATTR_UPPER_THRESH, &val); |
| |
| trig.type = SENSOR_TRIG_THRESHOLD; |
| trig.chan = SENSOR_CHAN_TEMP; |
| |
| sensor_trigger_set(dev, &trig, trigger_handler); |
| #endif |
| |
| while (1) { |
| struct sensor_value temp; |
| |
| sensor_sample_fetch(dev); |
| sensor_channel_get(dev, SENSOR_CHAN_TEMP, &temp); |
| |
| PRINT("temp: %d.%06d\n", temp.val1, temp.val2); |
| |
| task_sleep(sys_clock_ticks_per_sec); |
| } |
| } |