1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
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
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */
16 
17 #define LOG_TAG "ConsumerIrService"
18 
19 #include <log/log.h>
20 
21 #include <hardware/hardware.h>
22 #include <hardware/consumerir.h>
23 
24 #include "ConsumerIr.h"
25 
26 namespace android {
27 namespace hardware {
28 namespace ir {
29 namespace V1_0 {
30 namespace implementation {
31 
ConsumerIr(consumerir_device_t * device)32 ConsumerIr::ConsumerIr(consumerir_device_t *device) {
33     mDevice = device;
34 }
35 
36 // Methods from ::android::hardware::consumerir::V1_0::IConsumerIr follow.
transmit(int32_t carrierFreq,const hidl_vec<int32_t> & pattern)37 Return<bool> ConsumerIr::transmit(int32_t carrierFreq, const hidl_vec<int32_t>& pattern) {
38     return mDevice->transmit(mDevice, carrierFreq, pattern.data(), pattern.size()) == 0;
39 }
40 
getCarrierFreqs(getCarrierFreqs_cb _hidl_cb)41 Return<void> ConsumerIr::getCarrierFreqs(getCarrierFreqs_cb _hidl_cb) {
42     int32_t len = mDevice->get_num_carrier_freqs(mDevice);
43     if (len < 0) {
44         _hidl_cb(false, {});
45         return Void();
46     }
47 
48     consumerir_freq_range_t *rangeAr = new consumerir_freq_range_t[len];
49     bool success = (mDevice->get_carrier_freqs(mDevice, len, rangeAr) >= 0);
50     if (!success) {
51         _hidl_cb(false, {});
52         return Void();
53     }
54 
55     hidl_vec<ConsumerIrFreqRange> rangeVec;
56     rangeVec.resize(len);
57     for (int32_t i = 0; i < len; i++) {
58         rangeVec[i].min = static_cast<uint32_t>(rangeAr[i].min);
59         rangeVec[i].max = static_cast<uint32_t>(rangeAr[i].max);
60     }
61     _hidl_cb(true, rangeVec);
62     return Void();
63 }
64 
65 
HIDL_FETCH_IConsumerIr(const char *)66 IConsumerIr* HIDL_FETCH_IConsumerIr(const char * /*name*/) {
67     consumerir_device_t *dev;
68     const hw_module_t *hw_module = NULL;
69 
70     int ret = hw_get_module(CONSUMERIR_HARDWARE_MODULE_ID, &hw_module);
71     if (ret != 0) {
72         ALOGE("hw_get_module %s failed: %d", CONSUMERIR_HARDWARE_MODULE_ID, ret);
73         return nullptr;
74     }
75     ret = hw_module->methods->open(hw_module, CONSUMERIR_TRANSMITTER, (hw_device_t **) &dev);
76     if (ret < 0) {
77         ALOGE("Can't open consumer IR transmitter, error: %d", ret);
78         return nullptr;
79     }
80     return new ConsumerIr(dev);
81 }
82 
83 }  // namespace implementation
84 }  // namespace V1_0
85 }  // namespace ir
86 }  // namespace hardware
87 }  // namespace android
88