2 * Copyright (C) 2014 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
22 #include <sys/select.h>
23 #include <cutils/log.h>
26 #include "SensorConfig.h"
27 #include "HidSensor_Proximity.h"
31 unsigned short presence;
34 const struct sensor_t ProximitySensor::sSensorInfo_proximity = {
35 "HID_SENSOR Proximity", "Intel", 1, SENSORS_PROXIMITY_HANDLE, SENSOR_TYPE_PROXIMITY,
36 5.0f, 1.0f, 0.75f, 0, 0, 0, {}
39 const int retry_cnt = 10;
41 ProximitySensor::ProximitySensor(): SensorIIODev("prox", "in_proximity_scale", "in_proximity_offset", "in_proximity_", retry_cnt){
42 ALOGV(">>ProximitySensor 3D: constructor!");
43 mPendingEvent.version = sizeof(sensors_event_t);
44 mPendingEvent.sensor = ID_P;
45 mPendingEvent.type = SENSOR_TYPE_PROXIMITY;
46 memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
48 // CDD is silent on Proximity requirements. Fix default at 2Hz pending
49 // better numbers from somewhere.
50 sample_delay_min_ms = 500;
52 ALOGV("<<ProximitySensor 3D: constructor!");
55 int ProximitySensor::processEvent(unsigned char *raw_data, size_t raw_data_len){
56 struct prox_sample *sample;
58 ALOGV(">>%s", __func__);
59 if (IsDeviceInitialized() == false){
60 ALOGE("Device was not initialized \n");
62 } if (raw_data_len < sizeof(struct prox_sample)){
63 ALOGE("Insufficient length \n");
66 sample = (struct prox_sample*)raw_data;
67 if (sample->presence == 1)
68 mPendingEvent.distance = (float)0;
70 mPendingEvent.distance = (float)5;
73 ALOGE("Proximity %fm\n", mPendingEvent.distance);
74 ALOGV("<<%s", __func__);