1 /******************************************************************************
2  *
3  *  Copyright 2018 NXP
4  *  Copyright 2018 ST Microelectronics S.A.
5  *
6  *  Licensed under the Apache License, Version 2.0 (the "License");
7  *  you may not use this file except in compliance with the License.
8  *  You may obtain a copy of the License at
9  *
10  *  http://www.apache.org/licenses/LICENSE-2.0
11  *
12  *  Unless required by applicable law or agreed to in writing, software
13  *  distributed under the License is distributed on an "AS IS" BASIS,
14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  *  See the License for the specific language governing permissions and
16  *  limitations under the License.
17  *
18  ******************************************************************************/
19 
20 #ifndef ANDROID_HARDWARE_NFC_V1_1_NFC_H
21 #define ANDROID_HARDWARE_NFC_V1_1_NFC_H
22 
23 #include <android/hardware/nfc/1.1/INfc.h>
24 #include <android/hardware/nfc/1.1/types.h>
25 #include <hidl/MQDescriptor.h>
26 #include <hidl/Status.h>
27 #include <log/log.h>
28 
29 namespace android {
30 namespace hardware {
31 namespace nfc {
32 namespace V1_1 {
33 namespace implementation {
34 
35 using ::android::sp;
36 using ::android::hardware::hidl_array;
37 using ::android::hardware::hidl_memory;
38 using ::android::hardware::hidl_string;
39 using ::android::hardware::hidl_vec;
40 using ::android::hardware::Return;
41 using ::android::hardware::Void;
42 using ::android::hardware::nfc::V1_1::INfc;
43 using ::android::hidl::base::V1_0::IBase;
44 struct Nfc : public V1_1::INfc, public hidl_death_recipient {
45  public:
46   // Methods from ::android::hardware::nfc::V1_0::INfc follow.
47   Return<V1_0::NfcStatus> open(
48       const sp<V1_0::INfcClientCallback>& clientCallback) override;
49   Return<V1_0::NfcStatus> open_1_1(
50       const sp<V1_1::INfcClientCallback>& clientCallback) override;
51   Return<uint32_t> write(const hidl_vec<uint8_t>& data) override;
52   Return<V1_0::NfcStatus> coreInitialized(
53       const hidl_vec<uint8_t>& data) override;
54   Return<V1_0::NfcStatus> prediscover() override;
55   Return<V1_0::NfcStatus> close() override;
56   Return<V1_0::NfcStatus> controlGranted() override;
57   Return<V1_0::NfcStatus> powerCycle() override;
58 
59   // Methods from ::android::hardware::nfc::V1_1::INfc follow.
60   Return<void> factoryReset();
61   Return<V1_0::NfcStatus> closeForPowerOffCase();
62   Return<void> getConfig(getConfig_cb config);
63 
64   // Methods from ::android::hidl::base::V1_0::IBase follow.
65 
eventCallbackNfc66   static void eventCallback(uint8_t event, uint8_t status) {
67     if (mCallbackV1_1 != nullptr) {
68       auto ret = mCallbackV1_1->sendEvent_1_1((V1_1::NfcEvent)event,
69                                               (V1_0::NfcStatus)status);
70       if (!ret.isOk()) {
71         ALOGW("failed to send event!!!");
72       }
73     } else if (mCallbackV1_0 != nullptr) {
74       auto ret = mCallbackV1_0->sendEvent((V1_0::NfcEvent)event,
75                                           (V1_0::NfcStatus)status);
76       if (!ret.isOk()) {
77         ALOGE("failed to send event!!!");
78       }
79     }
80   }
81 
dataCallbackNfc82   static void dataCallback(uint16_t data_len, uint8_t* p_data) {
83     hidl_vec<uint8_t> data;
84     data.setToExternal(p_data, data_len);
85     if (mCallbackV1_1 != nullptr) {
86       auto ret = mCallbackV1_1->sendData(data);
87       if (!ret.isOk()) {
88         ALOGW("failed to send data!!!");
89       }
90     } else if (mCallbackV1_0 != nullptr) {
91       auto ret = mCallbackV1_0->sendData(data);
92       if (!ret.isOk()) {
93         ALOGE("failed to send data!!!");
94       }
95     }
96   }
97 
serviceDiedNfc98   virtual void serviceDied(uint64_t /*cookie*/, const wp<IBase>& /*who*/) {
99     close();
100   }
101 
102  private:
103   static sp<V1_1::INfcClientCallback> mCallbackV1_1;
104   static sp<V1_0::INfcClientCallback> mCallbackV1_0;
105 };
106 
107 }  // namespace implementation
108 }  // namespace V1_1
109 }  // namespace nfc
110 }  // namespace hardware
111 }  // namespace android
112 
113 #endif  // ANDROID_HARDWARE_NFC_V1_1_NFC_H
114