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Merge "Remove the default implementation for NFC aidl HAL" into main

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Treehugger Robot 2024-03-19 01:33:35 +00:00 committed by Gerrit Code Review
commit 4372ea1bd1
9 changed files with 0 additions and 466 deletions
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33
nfc/aidl/default/Android.bp
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package {
default_team: "trendy_team_fwk_nfc",
// See: http://go/android-license-faq
// A large-scale-change added 'default_applicable_licenses' to import
// all of the 'license_kinds' from "hardware_interfaces_license"
// to get the below license kinds:
// SPDX-license-identifier-Apache-2.0
default_applicable_licenses: ["hardware_interfaces_license"],
}
cc_binary {
name: "android.hardware.nfc-service.example",
relative_install_path: "hw",
init_rc: ["nfc-service-example.rc"],
vintf_fragments: ["nfc-service-example.xml"],
vendor: true,
cflags: [
"-Wall",
"-Wextra",
],
shared_libs: [
"libbase",
"liblog",
"libutils",
"libbinder_ndk",
"android.hardware.nfc-V1-ndk",
],
srcs: [
"main.cpp",
"Nfc.cpp",
"Vendor_hal_api.cpp",
],
}

160
nfc/aidl/default/Nfc.cpp
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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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 "Nfc.h"
#include <android-base/logging.h>
#include "Vendor_hal_api.h"
namespace aidl {
namespace android {
namespace hardware {
namespace nfc {
std::shared_ptr<INfcClientCallback> Nfc::mCallback = nullptr;
AIBinder_DeathRecipient* clientDeathRecipient = nullptr;
void OnDeath(void* cookie) {
if (Nfc::mCallback != nullptr && !AIBinder_isAlive(Nfc::mCallback->asBinder().get())) {
LOG(INFO) << __func__ << " Nfc service has died";
Nfc* nfc = static_cast<Nfc*>(cookie);
nfc->close(NfcCloseType::DISABLE);
}
}
::ndk::ScopedAStatus Nfc::open(const std::shared_ptr<INfcClientCallback>& clientCallback) {
LOG(INFO) << "open";
if (clientCallback == nullptr) {
LOG(INFO) << "Nfc::open null callback";
return ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED));
}
Nfc::mCallback = clientCallback;
clientDeathRecipient = AIBinder_DeathRecipient_new(OnDeath);
auto linkRet = AIBinder_linkToDeath(clientCallback->asBinder().get(), clientDeathRecipient,
this /* cookie */);
if (linkRet != STATUS_OK) {
LOG(ERROR) << __func__ << ": linkToDeath failed: " << linkRet;
// Just ignore the error.
}
int ret = Vendor_hal_open(eventCallback, dataCallback);
return ret == 0 ? ndk::ScopedAStatus::ok()
: ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED));
}
::ndk::ScopedAStatus Nfc::close(NfcCloseType type) {
LOG(INFO) << "close";
if (Nfc::mCallback == nullptr) {
LOG(ERROR) << __func__ << "mCallback null";
return ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED));
}
int ret = 0;
if (type == NfcCloseType::HOST_SWITCHED_OFF) {
ret = Vendor_hal_close_off();
} else {
ret = Vendor_hal_close();
}
Nfc::mCallback = nullptr;
AIBinder_DeathRecipient_delete(clientDeathRecipient);
clientDeathRecipient = nullptr;
return ret == 0 ? ndk::ScopedAStatus::ok()
: ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED));
}
::ndk::ScopedAStatus Nfc::coreInitialized() {
LOG(INFO) << "coreInitialized";
if (Nfc::mCallback == nullptr) {
LOG(ERROR) << __func__ << "mCallback null";
return ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED));
}
int ret = Vendor_hal_core_initialized();
return ret == 0 ? ndk::ScopedAStatus::ok()
: ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED));
}
::ndk::ScopedAStatus Nfc::factoryReset() {
LOG(INFO) << "factoryReset";
Vendor_hal_factoryReset();
return ndk::ScopedAStatus::ok();
}
::ndk::ScopedAStatus Nfc::getConfig(NfcConfig* _aidl_return) {
LOG(INFO) << "getConfig";
NfcConfig nfcVendorConfig;
Vendor_hal_getConfig(nfcVendorConfig);
*_aidl_return = nfcVendorConfig;
return ndk::ScopedAStatus::ok();
}
::ndk::ScopedAStatus Nfc::powerCycle() {
LOG(INFO) << "powerCycle";
if (Nfc::mCallback == nullptr) {
LOG(ERROR) << __func__ << "mCallback null";
return ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED));
}
return Vendor_hal_power_cycle() ? ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED))
: ndk::ScopedAStatus::ok();
}
::ndk::ScopedAStatus Nfc::preDiscover() {
LOG(INFO) << "preDiscover";
if (Nfc::mCallback == nullptr) {
LOG(ERROR) << __func__ << "mCallback null";
return ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED));
}
return Vendor_hal_pre_discover() ? ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED))
: ndk::ScopedAStatus::ok();
}
::ndk::ScopedAStatus Nfc::write(const std::vector<uint8_t>& data, int32_t* _aidl_return) {
LOG(INFO) << "write";
if (Nfc::mCallback == nullptr) {
LOG(ERROR) << __func__ << "mCallback null";
return ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(NfcStatus::FAILED));
}
*_aidl_return = Vendor_hal_write(data.size(), &data[0]);
return ndk::ScopedAStatus::ok();
}
::ndk::ScopedAStatus Nfc::setEnableVerboseLogging(bool enable) {
LOG(INFO) << "setVerboseLogging";
Vendor_hal_setVerboseLogging(enable);
return ndk::ScopedAStatus::ok();
}
::ndk::ScopedAStatus Nfc::isVerboseLoggingEnabled(bool* _aidl_return) {
*_aidl_return = Vendor_hal_getVerboseLogging();
return ndk::ScopedAStatus::ok();
}
} // namespace nfc
} // namespace hardware
} // namespace android
} // namespace aidl

72
nfc/aidl/default/Nfc.h
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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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.
*/
#pragma once
#include <aidl/android/hardware/nfc/BnNfc.h>
#include <aidl/android/hardware/nfc/INfcClientCallback.h>
#include <android-base/logging.h>
namespace aidl {
namespace android {
namespace hardware {
namespace nfc {
using ::aidl::android::hardware::nfc::NfcCloseType;
using ::aidl::android::hardware::nfc::NfcConfig;
using ::aidl::android::hardware::nfc::NfcStatus;
// Default implementation that reports no support NFC.
struct Nfc : public BnNfc {
public:
Nfc() = default;
::ndk::ScopedAStatus open(const std::shared_ptr<INfcClientCallback>& clientCallback) override;
::ndk::ScopedAStatus close(NfcCloseType type) override;
::ndk::ScopedAStatus coreInitialized() override;
::ndk::ScopedAStatus factoryReset() override;
::ndk::ScopedAStatus getConfig(NfcConfig* _aidl_return) override;
::ndk::ScopedAStatus powerCycle() override;
::ndk::ScopedAStatus preDiscover() override;
::ndk::ScopedAStatus write(const std::vector<uint8_t>& data, int32_t* _aidl_return) override;
::ndk::ScopedAStatus setEnableVerboseLogging(bool enable) override;
::ndk::ScopedAStatus isVerboseLoggingEnabled(bool* _aidl_return) override;
static void eventCallback(uint8_t event, uint8_t status) {
if (mCallback != nullptr) {
auto ret = mCallback->sendEvent((NfcEvent)event, (NfcStatus)status);
if (!ret.isOk()) {
LOG(ERROR) << "Failed to send event!";
}
}
}
static void dataCallback(uint16_t data_len, uint8_t* p_data) {
std::vector<uint8_t> data(p_data, p_data + data_len);
if (mCallback != nullptr) {
auto ret = mCallback->sendData(data);
if (!ret.isOk()) {
LOG(ERROR) << "Failed to send data!";
}
}
}
static std::shared_ptr<INfcClientCallback> mCallback;
};
} // namespace nfc
} // namespace hardware
} // namespace android
} // namespace aidl

71
nfc/aidl/default/Vendor_hal_api.cpp
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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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 <android-base/properties.h>
#include <dlfcn.h>
#include <errno.h>
#include <string.h>
#include "Vendor_hal_api.h"
bool logging = false;
int Vendor_hal_open(nfc_stack_callback_t* p_cback, nfc_stack_data_callback_t* p_data_cback) {
(void)p_cback;
(void)p_data_cback;
// nothing to open in this example
return -1;
}
int Vendor_hal_write(uint16_t data_len, const uint8_t* p_data) {
(void)data_len;
(void)p_data;
return -1;
}
int Vendor_hal_core_initialized() {
return -1;
}
int Vendor_hal_pre_discover() {
return -1;
}
int Vendor_hal_close() {
return -1;
}
int Vendor_hal_close_off() {
return -1;
}
int Vendor_hal_power_cycle() {
return -1;
}
void Vendor_hal_factoryReset() {}
void Vendor_hal_getConfig(NfcConfig& config) {
(void)config;
}
void Vendor_hal_setVerboseLogging(bool enable) {
logging = enable;
}
bool Vendor_hal_getVerboseLogging() {
return logging;
}

51
nfc/aidl/default/Vendor_hal_api.h
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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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.
*/
#pragma once
#include <aidl/android/hardware/nfc/INfc.h>
#include <aidl/android/hardware/nfc/NfcConfig.h>
#include <aidl/android/hardware/nfc/NfcEvent.h>
#include <aidl/android/hardware/nfc/NfcStatus.h>
#include <aidl/android/hardware/nfc/PresenceCheckAlgorithm.h>
#include <aidl/android/hardware/nfc/ProtocolDiscoveryConfig.h>
#include "hardware_nfc.h"
using aidl::android::hardware::nfc::NfcConfig;
using aidl::android::hardware::nfc::NfcEvent;
using aidl::android::hardware::nfc::NfcStatus;
using aidl::android::hardware::nfc::PresenceCheckAlgorithm;
using aidl::android::hardware::nfc::ProtocolDiscoveryConfig;
int Vendor_hal_open(nfc_stack_callback_t* p_cback, nfc_stack_data_callback_t* p_data_cback);
int Vendor_hal_write(uint16_t data_len, const uint8_t* p_data);
int Vendor_hal_core_initialized();
int Vendor_hal_pre_discover();
int Vendor_hal_close();
int Vendor_hal_close_off();
int Vendor_hal_power_cycle();
void Vendor_hal_factoryReset();
void Vendor_hal_getConfig(NfcConfig& config);
void Vendor_hal_setVerboseLogging(bool enable);
bool Vendor_hal_getVerboseLogging();

31
nfc/aidl/default/hardware_nfc.h
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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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.
*/
#pragma once
typedef uint8_t nfc_event_t;
typedef uint8_t nfc_status_t;
/*
* The callback passed in from the NFC stack that the HAL
* can use to pass events back to the stack.
*/
typedef void(nfc_stack_callback_t)(nfc_event_t event, nfc_status_t event_status);
/*
* The callback passed in from the NFC stack that the HAL
* can use to pass incomming data to the stack.
*/
typedef void(nfc_stack_data_callback_t)(uint16_t data_len, uint8_t* p_data);

38
nfc/aidl/default/main.cpp
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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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 <android-base/logging.h>
#include <android/binder_manager.h>
#include <android/binder_process.h>
#include "Nfc.h"
using ::aidl::android::hardware::nfc::Nfc;
int main() {
LOG(INFO) << "NFC HAL starting up";
if (!ABinderProcess_setThreadPoolMaxThreadCount(1)) {
LOG(INFO) << "failed to set thread pool max thread count";
return 1;
}
std::shared_ptr<Nfc> nfc_service = ndk::SharedRefBase::make<Nfc>();
const std::string instance = std::string() + Nfc::descriptor + "/default";
binder_status_t status =
AServiceManager_addService(nfc_service->asBinder().get(), instance.c_str());
CHECK(status == STATUS_OK);
ABinderProcess_joinThreadPool();
return 0;
}

4
nfc/aidl/default/nfc-service-example.rc
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service nfc_hal_service /vendor/bin/hw/android.hardware.nfc-service.st
class hal
user nfc
group nfc

6
nfc/aidl/default/nfc-service-example.xml
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<manifest version="1.0" type="device">
<hal format="aidl">
<name>android.hardware.nfc</name>
<fqname>INfc/default</fqname>
</hal>
</manifest>