--- /dev/null
+// Copyright (C) 2020 The LineageOS 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.
+
+cc_binary {
+ name: "android.hardware.vibrator@1.3-service.samsung",
+ defaults: ["hidl_defaults"],
+ vendor: true,
+ relative_install_path: "hw",
+ init_rc: ["android.hardware.vibrator@1.3-service.samsung.rc"],
+ vintf_fragments: ["android.hardware.vibrator@1.3-service.samsung.xml"],
+ srcs: ["service.cpp", "Vibrator.cpp"],
+ cflags: ["-Wall", "-Wextra", "-Werror"],
+ shared_libs: [
+ "libbase",
+ "libhidlbase",
+ "liblog",
+ "libutils",
+ "libhardware",
+ "android.hardware.vibrator@1.0",
+ "android.hardware.vibrator@1.1",
+ "android.hardware.vibrator@1.2",
+ "android.hardware.vibrator@1.3",
+ ],
+}
--- /dev/null
+/*
+ * Copyright (C) 2020 The LineageOS 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 "vibrator@1.3-samsung"
+
+#include "Vibrator.h"
+
+#include <android-base/logging.h>
+#include <android-base/stringprintf.h>
+#include <hardware/hardware.h>
+#include <hardware/vibrator.h>
+
+#include <cinttypes>
+#include <cmath>
+#include <fstream>
+#include <iostream>
+
+namespace android {
+namespace hardware {
+namespace vibrator {
+namespace V1_3 {
+namespace implementation {
+
+/*
+ * Write value to path and close file.
+ */
+template <typename T>
+static Return<Status> writeNode(const std::string& path, const T& value) {
+ std::ofstream node(path);
+ if (!node) {
+ LOG(ERROR) << "Failed to open: " << path;
+ return Status::UNKNOWN_ERROR;
+ }
+
+ LOG(DEBUG) << "writeNode node: " << path << " value: " << value;
+
+ node << value << std::endl;
+ if (!node) {
+ LOG(ERROR) << "Failed to write: " << value;
+ return Status::UNKNOWN_ERROR;
+ }
+
+ return Status::OK;
+}
+
+static bool nodeExists(const std::string& path) {
+ std::ofstream f(path.c_str());
+ return f.good();
+}
+
+Vibrator::Vibrator() {
+ bool ok;
+
+ ok = nodeExists(VIBRATOR_TIMEOUT_PATH);
+ if (ok) {
+ mIsTimedOutVibriator = true;
+ }
+
+ ok = nodeExists(VIBRATOR_INTENSITY_PATH);
+ if (ok) {
+ mhasTimedOutIntensity = true;
+ }
+}
+
+// Methods from ::android::hardware::vibrator::V1_0::IVibrator follow.
+
+Return<Status> Vibrator::on(uint32_t timeoutMs) {
+ return activate(timeoutMs);
+}
+
+Return<Status> Vibrator::off() {
+ return activate(0);
+}
+
+Return<bool> Vibrator::supportsAmplitudeControl() {
+ return true;
+}
+
+Return<Status> Vibrator::setAmplitude(uint8_t amplitude) {
+ uint32_t intensity;
+
+ if (amplitude == 0) {
+ return Status::BAD_VALUE;
+ }
+
+ LOG(DEBUG) << "setting amplitude: " << (uint32_t)amplitude;
+
+ intensity = std::lround((amplitude - 1) * 10000.0 / 254.0);
+ if (intensity > INTENSITY_MAX) {
+ intensity = INTENSITY_MAX;
+ }
+ LOG(DEBUG) << "setting intensity: " << intensity;
+
+ if (mhasTimedOutIntensity) {
+ return writeNode(VIBRATOR_INTENSITY_PATH, intensity);
+ }
+
+ return Status::OK;
+}
+
+Return<void> Vibrator::perform(V1_0::Effect effect, EffectStrength strength, perform_cb _hidl_cb) {
+ return perform<decltype(effect)>(effect, strength, _hidl_cb);
+}
+
+// Methods from ::android::hardware::vibrator::V1_1::IVibrator follow.
+
+Return<void> Vibrator::perform_1_1(V1_1::Effect_1_1 effect, EffectStrength strength,
+ perform_cb _hidl_cb) {
+ return perform<decltype(effect)>(effect, strength, _hidl_cb);
+}
+
+// Methods from ::android::hardware::vibrator::V1_2::IVibrator follow.
+
+Return<void> Vibrator::perform_1_2(V1_2::Effect effect, EffectStrength strength,
+ perform_cb _hidl_cb) {
+ return perform<decltype(effect)>(effect, strength, _hidl_cb);
+}
+
+// Methods from ::android::hardware::vibrator::V1_3::IVibrator follow.
+
+Return<bool> Vibrator::supportsExternalControl() {
+ return true;
+}
+
+Return<Status> Vibrator::setExternalControl(bool enabled) {
+ if (mEnabled) {
+ LOG(WARNING) << "Setting external control while the vibrator is enabled is "
+ "unsupported!";
+ return Status::UNSUPPORTED_OPERATION;
+ }
+
+ LOG(INFO) << "ExternalControl: " << mExternalControl << " -> " << enabled;
+ mExternalControl = enabled;
+ return Status::OK;
+}
+
+Return<void> Vibrator::perform_1_3(Effect effect, EffectStrength strength, perform_cb _hidl_cb) {
+ return perform<decltype(effect)>(effect, strength, _hidl_cb);
+}
+
+// Private methods follow.
+
+Return<void> Vibrator::perform(Effect effect, EffectStrength strength, perform_cb _hidl_cb) {
+ Status status = Status::OK;
+ uint8_t amplitude;
+ uint32_t ms;
+
+ LOG(DEBUG) << "perform effect: " << toString(effect)
+ << ", strength: " << toString(strength);
+
+ amplitude = strengthToAmplitude(strength, &status);
+ if (status != Status::OK) {
+ _hidl_cb(status, 0);
+ return Void();
+ }
+ setAmplitude(amplitude);
+
+ ms = effectToMs(effect, &status);
+ if (status != Status::OK) {
+ _hidl_cb(status, 0);
+ return Void();
+ }
+ status = activate(ms);
+
+ _hidl_cb(status, ms);
+
+ return Void();
+}
+
+template <typename T>
+Return<void> Vibrator::perform(T effect, EffectStrength strength, perform_cb _hidl_cb) {
+ auto validRange = hidl_enum_range<T>();
+ if (effect < *validRange.begin() || effect > *std::prev(validRange.end())) {
+ _hidl_cb(Status::UNSUPPORTED_OPERATION, 0);
+ return Void();
+ }
+ return perform(static_cast<Effect>(effect), strength, _hidl_cb);
+}
+
+Status Vibrator::activate(uint32_t timeoutMs) {
+ std::lock_guard<std::mutex> lock{mMutex};
+ if (!mIsTimedOutVibriator) {
+ return Status::UNSUPPORTED_OPERATION;
+ }
+
+ return writeNode(VIBRATOR_TIMEOUT_PATH, timeoutMs);
+}
+
+uint8_t Vibrator::strengthToAmplitude(EffectStrength strength, Status* status) {
+ *status = Status::OK;
+
+ switch (strength) {
+ case EffectStrength::LIGHT:
+ return 78;
+ case EffectStrength::MEDIUM:
+ return 128;
+ case EffectStrength::STRONG:
+ return 204;
+ }
+
+ *status = Status::UNSUPPORTED_OPERATION;
+ return 0;
+}
+
+uint32_t Vibrator::effectToMs(Effect effect, Status* status) {
+ *status = Status::OK;
+
+ switch (effect) {
+ case Effect::CLICK:
+ return 20;
+ case Effect::DOUBLE_CLICK:
+ return 25;
+ case Effect::HEAVY_CLICK:
+ return 30;
+ case Effect::TICK:
+ case Effect::TEXTURE_TICK:
+ case Effect::THUD:
+ case Effect::POP:
+ return 15;
+ case Effect::RINGTONE_1:
+ case Effect::RINGTONE_2:
+ case Effect::RINGTONE_3:
+ case Effect::RINGTONE_4:
+ case Effect::RINGTONE_5:
+ case Effect::RINGTONE_6:
+ case Effect::RINGTONE_7:
+ case Effect::RINGTONE_8:
+ case Effect::RINGTONE_9:
+ case Effect::RINGTONE_10:
+ case Effect::RINGTONE_11:
+ case Effect::RINGTONE_12:
+ case Effect::RINGTONE_13:
+ case Effect::RINGTONE_14:
+ case Effect::RINGTONE_15:
+ return 300;
+ }
+
+ *status = Status::UNSUPPORTED_OPERATION;
+ return 0;
+}
+
+} // namespace implementation
+} // namespace V1_3
+} // namespace vibrator
+} // namespace hardware
+} // namespace android
--- /dev/null
+/*
+ * Copyright (C) 2020 The LineageOS 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_VIBRATOR_V1_3_VIBRATOR_H
+#define ANDROID_HARDWARE_VIBRATOR_V1_3_VIBRATOR_H
+
+#include <android/hardware/vibrator/1.3/IVibrator.h>
+#include <hidl/Status.h>
+
+#include <fstream>
+
+#define INTENSITY_MIN 1000
+#define INTENSITY_MAX 10000
+#define INENSITY_DEFAULT INTENSITY_MAX
+
+#define CLICK_TIMING_MS 20
+
+#define VIBRATOR_TIMEOUT_PATH "/sys/class/timed_output/vibrator/enable"
+#define VIBRATOR_INTENSITY_PATH "/sys/class/timed_output/vibrator/intensity"
+
+namespace android {
+namespace hardware {
+namespace vibrator {
+namespace V1_3 {
+namespace implementation {
+
+using android::hardware::vibrator::V1_0::EffectStrength;
+using android::hardware::vibrator::V1_0::Status;
+
+class Vibrator : public IVibrator {
+ public:
+ Vibrator();
+
+ // Methods from ::android::hardware::vibrator::V1_0::IVibrator follow.
+ Return<Status> on(uint32_t timeoutMs) override;
+ Return<Status> off() override;
+ Return<bool> supportsAmplitudeControl() override;
+ Return<Status> setAmplitude(uint8_t amplitude) override;
+ Return<void> perform(V1_0::Effect effect, EffectStrength strength,
+ perform_cb _hidl_cb) override;
+
+ // Methods from ::android::hardware::vibrator::V1_1::IVibrator follow.
+ Return<void> perform_1_1(V1_1::Effect_1_1 effect, EffectStrength strength,
+ perform_cb _hidl_cb) override;
+
+ // Methods from ::android::hardware::vibrator::V1_2::IVibrator follow.
+ Return<void> perform_1_2(V1_2::Effect effect, EffectStrength strength,
+ perform_cb _hidl_cb) override;
+
+ // Methods from ::android::hardware::vibrator::V1_3::IVibrator follow.
+ Return<bool> supportsExternalControl() override;
+ Return<Status> setExternalControl(bool enabled) override;
+ Return<void> perform_1_3(Effect effect, EffectStrength strength, perform_cb _hidl_cb) override;
+
+ private:
+ Return<void> perform(Effect effect, EffectStrength strength, perform_cb _hidl_cb);
+ template <typename T>
+ Return<void> perform(T effect, EffectStrength strength, perform_cb _hidl_cb);
+ Status enable(bool enabled);
+ Status activate(uint32_t ms);
+
+ static uint32_t effectToMs(Effect effect, Status* status);
+ static uint8_t strengthToAmplitude(EffectStrength strength, Status* status);
+
+ bool mEnabled{false};
+ uint8_t mAmplitude{UINT8_MAX};
+ bool mExternalControl{false};
+ std::mutex mMutex;
+ timer_t mTimer{nullptr};
+
+ bool mIsTimedOutVibriator;
+ bool mhasTimedOutIntensity;
+};
+
+} // namespace implementation
+} // namespace V1_3
+} // namespace vibrator
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_VIBRATOR_V1_3_VIBRATOR_H
--- /dev/null
+service vendor.vibrator-1-3 /vendor/bin/hw/android.hardware.vibrator@1.3-service.samsung
+ class hal
+ user system
+ group system
--- /dev/null
+<manifest version="1.0" type="device">
+ <hal format="hidl">
+ <name>android.hardware.vibrator</name>
+ <transport>hwbinder</transport>
+ <version>1.3</version>
+ <interface>
+ <name>IVibrator</name>
+ <instance>default</instance>
+ </interface>
+ </hal>
+</manifest>
--- /dev/null
+/*
+ * Copyright (C) 2020 The LineageOS 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 "vibrator@1.3-samsung"
+
+#include <android-base/logging.h>
+#include <android/hardware/vibrator/1.3/IVibrator.h>
+#include <hidl/HidlSupport.h>
+#include <hidl/HidlTransportSupport.h>
+#include <utils/Errors.h>
+#include <utils/StrongPointer.h>
+
+#include "Vibrator.h"
+
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+using android::hardware::vibrator::V1_3::IVibrator;
+using android::hardware::vibrator::V1_3::implementation::Vibrator;
+
+using android::OK;
+using android::sp;
+using android::status_t;
+
+int main() {
+ status_t status;
+ sp<IVibrator> vibrator;
+
+ LOG(INFO) << "Vibrator HAL service is starting.";
+
+ vibrator = new Vibrator();
+ if (vibrator == nullptr) {
+ LOG(ERROR) << "Can not create an instance of Vibrator HAL IVibrator, "
+ "exiting.";
+ goto shutdown;
+ }
+
+ configureRpcThreadpool(1, true);
+
+ status = vibrator->registerAsService();
+ if (status != OK) {
+ LOG(ERROR) << "Could not register service for Vibrator HAL";
+ goto shutdown;
+ }
+
+ LOG(INFO) << "Vibrator HAL service is Ready.";
+ joinRpcThreadpool();
+
+shutdown:
+ // In normal operation, we don't expect the thread pool to shutdown
+ LOG(ERROR) << "Vibrator HAL failed to join thread pool.";
+ return 1;
+}
projects / GitHub / LineageOS / android_hardware_samsung.git / commitdiff