--- /dev/null
+// Copyright (C) 2019 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@1.0-service.samsung-haptic",
+ defaults: ["hidl_defaults"],
+ vendor: true,
+ relative_install_path: "hw",
+ init_rc: ["android.hardware.vibrator@1.0-service.samsung-haptic.rc"],
+ srcs: ["service.cpp", "Vibrator.cpp"],
+ shared_libs: [
+ "libbase",
+ "libhidlbase",
+ "liblog",
+ "libutils",
+ "libhardware",
+ "android.hardware.vibrator@1.0",
+ ],
+}
--- /dev/null
+/*
+ * Copyright (C) 2019 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 "android.hardware.vibrator@1.0-service.samsung-haptic"
+
+#include <log/log.h>
+
+#include <android-base/stringprintf.h>
+
+#include <hardware/hardware.h>
+#include <hardware/vibrator.h>
+
+#include "Vibrator.h"
+
+#include <cinttypes>
+#include <cmath>
+#include <fstream>
+#include <iostream>
+
+namespace android {
+namespace hardware {
+namespace vibrator {
+namespace V1_0 {
+namespace implementation {
+
+/*
+ * Write value to path and close file.
+ */
+template <typename T>
+static void set(const std::string& path, const T& value) {
+ std::ofstream file(path);
+ file << value << std::endl;
+}
+
+Vibrator::Vibrator() {
+ mIntensity = 10000;
+}
+
+// SEC Haptic Engine
+Return<Status> Vibrator::doHaptic(int timeout, int intensity, int freq, int overdrive) {
+ std::string haptic =
+ android::base::StringPrintf("4 %d %d %d %d", timeout, intensity, freq, overdrive);
+ set("/sys/class/timed_output/vibrator/haptic_engine", haptic);
+ set("/sys/class/timed_output/vibrator/enable", 1);
+
+ return Status::OK;
+}
+
+// Methods from ::android::hardware::vibrator::V1_0::IVibrator follow.
+Return<Status> Vibrator::on(uint32_t timeout_ms) {
+ return doHaptic(timeout_ms, mIntensity, 0, 0);
+}
+
+Return<Status> Vibrator::off() {
+ set("/sys/class/timed_output/vibrator/enable", 0);
+ return Status::OK;
+}
+
+Return<bool> Vibrator::supportsAmplitudeControl() {
+ return true;
+}
+
+Return<Status> Vibrator::setAmplitude(uint8_t amplitude) {
+ if (amplitude == 0) {
+ return Status::BAD_VALUE;
+ }
+ mIntensity = amplitude * 10000 / 255;
+ return Status::OK;
+}
+
+Return<void> Vibrator::perform(Effect effect, EffectStrength strength, perform_cb _hidl_cb) {
+ Status status = Status::OK;
+ uint32_t timeMS;
+ uint32_t intensity;
+
+ switch (strength) {
+ case EffectStrength::LIGHT:
+ intensity = 1000;
+ break;
+ case EffectStrength::STRONG:
+ intensity = 5000;
+ break;
+ default:
+ intensity = 3000;
+ break;
+ }
+
+ switch (effect) {
+ case Effect::CLICK:
+ case Effect::DOUBLE_CLICK:
+ status = doHaptic(7, intensity, 2000, 1);
+ timeMS = 7;
+ break;
+ default:
+ status = Status::UNSUPPORTED_OPERATION;
+ timeMS = 0;
+ break;
+ }
+
+ _hidl_cb(status, timeMS);
+ return Void();
+}
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace vibrator
+} // namespace hardware
+} // namespace android
--- /dev/null
+/*
+ * Copyright (C) 2019 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_0_VIBRATOR_H
+#define ANDROID_HARDWARE_VIBRATOR_V1_0_VIBRATOR_H
+
+#include <android/hardware/vibrator/1.0/IVibrator.h>
+#include <hidl/Status.h>
+
+#include <fstream>
+
+namespace android {
+namespace hardware {
+namespace vibrator {
+namespace V1_0 {
+namespace implementation {
+
+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) override;
+ Return<void> perform(Effect effect, EffectStrength strength, perform_cb _hidl_cb) override;
+
+ private:
+ Return<Status> doHaptic(int timeout, int intensity, int freq, int overdrive);
+ uint32_t mIntensity;
+};
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace vibrator
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_VIBRATOR_V1_0_VIBRATOR_H
--- /dev/null
+service vendor.vibrator-1-0 /vendor/bin/hw/android.hardware.vibrator@1.0-service.samsung-haptic
+ class hal
+ user system
+ group system
--- /dev/null
+/*
+ * Copyright (C) 2019 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 "android.hardware.vibrator@1.0-service.samsung-haptic"
+
+#include <android-base/logging.h>
+#include <android/hardware/vibrator/1.0/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_0::IVibrator;
+using android::hardware::vibrator::V1_0::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