Add Stable AIDL version of EVS HAL
This CL add a new set of EVS APIs written in Stable AIDL with an empty
IEvsEnumerator implementation.
Bug: 170401743
Bug: 195672428
Bug: 202031799
Bug: 202669715
Test: m -j
Change-Id: I28ff4391ba51b72299ebfae801d21a8ab0e37917
diff --git a/automotive/evs/aidl/impl/default/Android.bp b/automotive/evs/aidl/impl/default/Android.bp
new file mode 100644
index 0000000..dbe0314
--- /dev/null
+++ b/automotive/evs/aidl/impl/default/Android.bp
@@ -0,0 +1,36 @@
+// Copyright (C) 2022 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.
+
+package {
+ // 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.automotive.evs-aidl-default-service",
+ defaults: ["EvsHalDefaults"],
+ local_include_dirs: ["include"],
+ vintf_fragments: ["evs-default-service.xml"],
+ init_rc: ["evs-default-service.rc"],
+ vendor: true,
+ relative_install_path: "hw",
+ srcs: ["src/*.cpp"],
+ shared_libs: [
+ "libbinder_ndk",
+ ],
+}
diff --git a/automotive/evs/aidl/impl/default/evs-default-service.rc b/automotive/evs/aidl/impl/default/evs-default-service.rc
new file mode 100644
index 0000000..ea8e689
--- /dev/null
+++ b/automotive/evs/aidl/impl/default/evs-default-service.rc
@@ -0,0 +1,5 @@
+service vendor.evs-hal-default /vendor/bin/hw/android.hardware.automotive.evs-aidl-default-service
+ class early_hal
+ user automotive_evs
+ group automotive_evs
+ disabled
diff --git a/automotive/evs/aidl/impl/default/evs-default-service.xml b/automotive/evs/aidl/impl/default/evs-default-service.xml
new file mode 100644
index 0000000..96ff9f6
--- /dev/null
+++ b/automotive/evs/aidl/impl/default/evs-default-service.xml
@@ -0,0 +1,11 @@
+<manifest version="1.0" type="device">
+ <hal format="aidl">
+ <name>android.hardware.automotive.evs</name>
+ <transport>hwbinder</transport>
+ <version>1</version>
+ <interface>
+ <name>IEvsEnumerator</name>
+ <instance>hw/0</instance>
+ </interface>
+ </hal>
+</manifest>
diff --git a/automotive/evs/aidl/impl/default/include/DefaultEvsEnumerator.h b/automotive/evs/aidl/impl/default/include/DefaultEvsEnumerator.h
new file mode 100644
index 0000000..8bcd867
--- /dev/null
+++ b/automotive/evs/aidl/impl/default/include/DefaultEvsEnumerator.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#ifndef android_hardware_automotive_evs_aidl_impl_evshal_include_DefaultEvsHal_H_
+#define android_hardware_automotive_evs_aidl_impl_evshal_include_DefaultEvsHal_H_
+
+#include <aidl/android/hardware/automotive/evs/BnEvsEnumerator.h>
+
+namespace aidl::android::hardware::automotive::evs::implementation {
+
+class DefaultEvsEnumerator final
+ : public ::aidl::android::hardware::automotive::evs::BnEvsEnumerator {
+ ::ndk::ScopedAStatus isHardware(bool* flag) override;
+ ::ndk::ScopedAStatus openCamera(
+ const std::string& cameraId,
+ const ::aidl::android::hardware::automotive::evs::Stream& streamConfig,
+ std::shared_ptr<::aidl::android::hardware::automotive::evs::IEvsCamera>* obj) override;
+ ::ndk::ScopedAStatus closeCamera(
+ const std::shared_ptr<::aidl::android::hardware::automotive::evs::IEvsCamera>& obj)
+ override;
+ ::ndk::ScopedAStatus getCameraList(
+ std::vector<::aidl::android::hardware::automotive::evs::CameraDesc>* list) override;
+ ::ndk::ScopedAStatus getStreamList(
+ const ::aidl::android::hardware::automotive::evs::CameraDesc& desc,
+ std::vector<::aidl::android::hardware::automotive::evs::Stream>* _aidl_return) override;
+ ::ndk::ScopedAStatus openDisplay(
+ int8_t displayId,
+ std::shared_ptr<::aidl::android::hardware::automotive::evs::IEvsDisplay>* obj) override;
+ ::ndk::ScopedAStatus closeDisplay(
+ const std::shared_ptr<::aidl::android::hardware::automotive::evs::IEvsDisplay>& obj)
+ override;
+ ::ndk::ScopedAStatus getDisplayIdList(std::vector<uint8_t>* list) override;
+ ::ndk::ScopedAStatus getDisplayState(
+ ::aidl::android::hardware::automotive::evs::DisplayState* state) override;
+ ::ndk::ScopedAStatus registerStatusCallback(
+ const std::shared_ptr<
+ ::aidl::android::hardware::automotive::evs::IEvsEnumeratorStatusCallback>&
+ callback) override;
+ ::ndk::ScopedAStatus openUltrasonicsArray(
+ const std::string& id,
+ std::shared_ptr<::aidl::android::hardware::automotive::evs::IEvsUltrasonicsArray>* obj)
+ override;
+ ::ndk::ScopedAStatus closeUltrasonicsArray(
+ const std::shared_ptr<::aidl::android::hardware::automotive::evs::IEvsUltrasonicsArray>&
+ arr) override;
+ ::ndk::ScopedAStatus getUltrasonicsArrayList(
+ std::vector<::aidl::android::hardware::automotive::evs::UltrasonicsArrayDesc>* list)
+ override;
+};
+
+} // namespace aidl::android::hardware::automotive::evs::implementation
+
+#endif // android_hardware_automotive_evs_aidl_impl_evshal_include_DefaultEvsHal_H_
diff --git a/automotive/evs/aidl/impl/default/src/DefaultEvsEnumerator.cpp b/automotive/evs/aidl/impl/default/src/DefaultEvsEnumerator.cpp
new file mode 100644
index 0000000..2ff6d59
--- /dev/null
+++ b/automotive/evs/aidl/impl/default/src/DefaultEvsEnumerator.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+// TODO(b/203661081): Remove below lines to disable compiler warnings.
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-parameter"
+
+#define LOG_TAG "DefaultEvsEnumerator"
+
+#include <DefaultEvsEnumerator.h>
+
+namespace aidl::android::hardware::automotive::evs::implementation {
+
+using ::ndk::ScopedAStatus;
+
+ScopedAStatus DefaultEvsEnumerator::isHardware(bool* flag) {
+ // This returns true always.
+ *flag = true;
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::openCamera(const std::string& cameraId,
+ const Stream& streamConfig,
+ std::shared_ptr<IEvsCamera>* obj) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::closeCamera(const std::shared_ptr<IEvsCamera>& obj) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::getCameraList(std::vector<CameraDesc>* list) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::getStreamList(const CameraDesc& desc,
+ std::vector<Stream>* _aidl_return) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::openDisplay(int8_t displayId,
+ std::shared_ptr<IEvsDisplay>* obj) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::closeDisplay(const std::shared_ptr<IEvsDisplay>& state) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::getDisplayIdList(std::vector<uint8_t>* list) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::getDisplayState(DisplayState* state) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::registerStatusCallback(
+ const std::shared_ptr<IEvsEnumeratorStatusCallback>& callback) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::openUltrasonicsArray(
+ const std::string& id, std::shared_ptr<IEvsUltrasonicsArray>* obj) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::closeUltrasonicsArray(
+ const std::shared_ptr<IEvsUltrasonicsArray>& obj) {
+ return ScopedAStatus::ok();
+}
+
+ScopedAStatus DefaultEvsEnumerator::getUltrasonicsArrayList(
+ std::vector<UltrasonicsArrayDesc>* list) {
+ return ScopedAStatus::ok();
+}
+
+} // namespace aidl::android::hardware::automotive::evs::implementation
+
+#pragma clang diagnostic pop
diff --git a/automotive/evs/aidl/impl/default/src/service.cpp b/automotive/evs/aidl/impl/default/src/service.cpp
new file mode 100644
index 0000000..0a0913f
--- /dev/null
+++ b/automotive/evs/aidl/impl/default/src/service.cpp
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#define LOG_TAG "EvsService"
+
+#include <DefaultEvsEnumerator.h>
+
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+#include <utils/Log.h>
+
+using ::aidl::android::hardware::automotive::evs::implementation::DefaultEvsEnumerator;
+
+int main([[maybe_unused]] int argc, [[maybe_unused]] char* argv[]) {
+ std::shared_ptr<DefaultEvsEnumerator> vhal = ndk::SharedRefBase::make<DefaultEvsEnumerator>();
+
+ ALOGI("Registering as service...");
+ binder_exception_t err =
+ AServiceManager_addService(vhal->asBinder().get(), "android.hardware.automotive.evs");
+ if (err != EX_NONE) {
+ ALOGE("failed to register android.hardware.automotive.evs service, exception: %d", err);
+ return 1;
+ }
+
+ if (!ABinderProcess_setThreadPoolMaxThreadCount(1)) {
+ ALOGE("%s", "failed to set thread pool max thread count");
+ return 1;
+ }
+ ABinderProcess_startThreadPool();
+
+ ALOGI("Evs Service Ready");
+
+ ABinderProcess_joinThreadPool();
+
+ ALOGI("Evs Service Exiting");
+
+ return 0;
+}