uwb: Default HAL implementation
Skeletal implementation of UWB HAL which will be used for
cuttlefish/reference implementation in the future.
Bug: 195992658
Test: Manual verification of HAL booting up and handling HAL
API calls.
Change-Id: I894b7aef893ff2ed4f287f72471326b5211245c3
diff --git a/uwb/aidl/default/uwb.cpp b/uwb/aidl/default/uwb.cpp
new file mode 100644
index 0000000..1e2ef4e
--- /dev/null
+++ b/uwb/aidl/default/uwb.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright 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 "uwb.h"
+
+namespace {
+static constexpr char kDefaultChipName[] = "default";
+
+} // namespace
+
+namespace android {
+namespace hardware {
+namespace uwb {
+namespace impl {
+using namespace ::aidl::android::hardware::uwb;
+
+// The default implementation of the HAL assumes 1 chip on the device.
+Uwb::Uwb() : chips_({{kDefaultChipName, ndk::SharedRefBase::make<UwbChip>(kDefaultChipName)}}) {}
+
+Uwb::~Uwb() {}
+
+::ndk::ScopedAStatus Uwb::getChips(std::vector<std::string>* names) {
+ for (const auto& chip : chips_) {
+ names->push_back(chip.first);
+ }
+ return ndk::ScopedAStatus::ok();
+}
+
+::ndk::ScopedAStatus Uwb::getChip(const std::string& name, std::shared_ptr<IUwbChip>* chip) {
+ const auto chip_found = chips_.find(name);
+ if (chip_found == chips_.end()) {
+ LOG(ERROR) << "Unknown chip name" << name;
+ return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+ }
+ *chip = chip_found->second;
+ return ndk::ScopedAStatus::ok();
+}
+} // namespace impl
+} // namespace uwb
+} // namespace hardware
+} // namespace android