2 * Copyright (C) 2008 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_ALS.h"
34 const struct sensor_t ALSSensor::sSensorInfo_als = {
35 "HID_SENSOR ALS", "Intel", 1, SENSORS_LIGHT_HANDLE, SENSOR_TYPE_LIGHT,
36 50000.0f, 1.0f, 0.75f, 0, 0, 0,
37 SENSOR_STRING_TYPE_LIGHT, "", 0 , SENSOR_FLAG_CONTINUOUS_MODE, {}
39 const int retry_cnt = 10;
41 ALSSensor::ALSSensor(): SensorIIODev("als", "in_intensity_scale", "in_intensity_offset", "in_intensity_", retry_cnt){
42 ALOGV(">>ALSSensor 3D: constructor!");
43 mPendingEvent.version = sizeof(sensors_event_t);
44 mPendingEvent.sensor = ID_L;
45 mPendingEvent.type = SENSOR_TYPE_LIGHT;
46 memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
48 // CDD is silent on ALS requirements. Fix default at 2Hz pending
49 // better numbers from somewhere.
50 sample_delay_min_ms = 500;
52 ALOGV("<<ALSSensor 3D: constructor!");
55 int ALSSensor::processEvent(unsigned char *raw_data, size_t raw_data_len){
56 struct als_sample *sample;
58 ALOGV(">>%s", __func__);
59 if (IsDeviceInitialized() == false){
60 ALOGE("Device was not initialized \n");
62 } if (raw_data_len < sizeof(struct als_sample)){
63 ALOGE("Insufficient length \n");
66 sample = (struct als_sample*)raw_data;
67 mPendingEvent.light = (float)sample->illum;
69 ALOGV("ALS %fm/s2\n", mPendingEvent.light);
70 ALOGV("<<%s", __func__);