From e03f3220a3bb949ca5c11b78de3c6ce5228b0d19 Mon Sep 17 00:00:00 2001 From: Bruno Martins Date: Fri, 19 Jan 2018 15:42:00 +0000 Subject: msm8996-common: Convert lights HAL into a native binderized HAL Change-Id: If41458e22b9a67a5c2a415571723917df1904aa1 Signed-off-by: Davide Garberi --- light/Android.bp | 32 +++ light/Light.cpp | 295 +++++++++++++++++++++ light/Light.h | 97 +++++++ .../android.hardware.light@2.0-service.zuk_8996.rc | 66 +++++ light/service.cpp | 284 ++++++++++++++++++++ 5 files changed, 774 insertions(+) create mode 100644 light/Android.bp create mode 100644 light/Light.cpp create mode 100644 light/Light.h create mode 100644 light/android.hardware.light@2.0-service.zuk_8996.rc create mode 100644 light/service.cpp (limited to 'light') diff --git a/light/Android.bp b/light/Android.bp new file mode 100644 index 0000000..078b448 --- /dev/null +++ b/light/Android.bp @@ -0,0 +1,32 @@ +// +// Copyright (C) 2018 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.light@2.0-service.zuk_8996", + relative_install_path: "hw", + init_rc: ["android.hardware.light@2.0-service.zuk_8996.rc"], + srcs: ["service.cpp", "Light.cpp"], + shared_libs: [ + "libbase", + "libcutils", + "libhardware", + "libhidlbase", + "libhidltransport", + "libhwbinder", + "libutils", + "android.hardware.light@2.0", + ], + proprietary: true, +} diff --git a/light/Light.cpp b/light/Light.cpp new file mode 100644 index 0000000..a364f05 --- /dev/null +++ b/light/Light.cpp @@ -0,0 +1,295 @@ +/* + * Copyright (C) 2018 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 "LightService" + +#include "Light.h" + +#include + +namespace { +using android::hardware::light::V2_0::LightState; + +static constexpr int RAMP_SIZE = 8; +static constexpr int RAMP_STEP_DURATION = 50; + +static constexpr int BRIGHTNESS_RAMP[RAMP_SIZE] = {0, 12, 25, 37, 50, 72, 85, 100}; +static constexpr int DEFAULT_MAX_BRIGHTNESS = 255; + +static uint32_t rgbToBrightness(const LightState& state) { + uint32_t color = state.color & 0x00ffffff; + return ((77 * ((color >> 16) & 0xff)) + (150 * ((color >> 8) & 0xff)) + + (29 * (color & 0xff))) >> 8; +} + +static bool isLit(const LightState& state) { + return (state.color & 0x00ffffff); +} + +static std::string getScaledDutyPcts(int brightness) { + std::string buf, pad; + + for (auto i : BRIGHTNESS_RAMP) { + buf += pad; + buf += std::to_string(i * brightness / 255); + pad = ","; + } + + return buf; +} +} // anonymous namespace + +namespace android { +namespace hardware { +namespace light { +namespace V2_0 { +namespace implementation { + +Light::Light(std::pair&& lcd_backlight, + std::vector&& button_backlight, + std::ofstream&& red_led, std::ofstream&& green_led, std::ofstream&& blue_led, + std::ofstream&& red_duty_pcts, std::ofstream&& green_duty_pcts, std::ofstream&& blue_duty_pcts, + std::ofstream&& red_start_idx, std::ofstream&& green_start_idx, std::ofstream&& blue_start_idx, + std::ofstream&& red_pause_lo, std::ofstream&& green_pause_lo, std::ofstream&& blue_pause_lo, + std::ofstream&& red_pause_hi, std::ofstream&& green_pause_hi, std::ofstream&& blue_pause_hi, + std::ofstream&& red_ramp_step_ms, std::ofstream&& green_ramp_step_ms, std::ofstream&& blue_ramp_step_ms, + std::ofstream&& red_blink, std::ofstream&& green_blink, std::ofstream&& blue_blink, + std::ofstream&& rgb_blink) + : mLcdBacklight(std::move(lcd_backlight)), + mButtonBacklight(std::move(button_backlight)), + mRedLed(std::move(red_led)), + mGreenLed(std::move(green_led)), + mBlueLed(std::move(blue_led)), + mRedDutyPcts(std::move(red_duty_pcts)), + mGreenDutyPcts(std::move(green_duty_pcts)), + mBlueDutyPcts(std::move(blue_duty_pcts)), + mRedStartIdx(std::move(red_start_idx)), + mGreenStartIdx(std::move(green_start_idx)), + mBlueStartIdx(std::move(blue_start_idx)), + mRedPauseLo(std::move(red_pause_lo)), + mGreenPauseLo(std::move(green_pause_lo)), + mBluePauseLo(std::move(blue_pause_lo)), + mRedPauseHi(std::move(red_pause_hi)), + mGreenPauseHi(std::move(green_pause_hi)), + mBluePauseHi(std::move(blue_pause_hi)), + mRedRampStepMs(std::move(red_ramp_step_ms)), + mGreenRampStepMs(std::move(green_ramp_step_ms)), + mBlueRampStepMs(std::move(blue_ramp_step_ms)), + mRedBlink(std::move(red_blink)), + mGreenBlink(std::move(green_blink)), + mBlueBlink(std::move(blue_blink)), + mRgbBlink(std::move(rgb_blink)) { + auto attnFn(std::bind(&Light::setAttentionLight, this, std::placeholders::_1)); + auto backlightFn(std::bind(&Light::setLcdBacklight, this, std::placeholders::_1)); + auto batteryFn(std::bind(&Light::setBatteryLight, this, std::placeholders::_1)); + auto buttonsFn(std::bind(&Light::setButtonsBacklight, this, std::placeholders::_1)); + auto notifFn(std::bind(&Light::setNotificationLight, this, std::placeholders::_1)); + mLights.emplace(std::make_pair(Type::ATTENTION, attnFn)); + mLights.emplace(std::make_pair(Type::BACKLIGHT, backlightFn)); + mLights.emplace(std::make_pair(Type::BATTERY, batteryFn)); + mLights.emplace(std::make_pair(Type::BUTTONS, buttonsFn)); + mLights.emplace(std::make_pair(Type::NOTIFICATIONS, notifFn)); +} + +// Methods from ::android::hardware::light::V2_0::ILight follow. +Return Light::setLight(Type type, const LightState& state) { + auto it = mLights.find(type); + + if (it == mLights.end()) { + return Status::LIGHT_NOT_SUPPORTED; + } + + it->second(state); + + return Status::SUCCESS; +} + +Return Light::getSupportedTypes(getSupportedTypes_cb _hidl_cb) { + std::vector types; + + for (auto const& light : mLights) { + types.push_back(light.first); + } + + _hidl_cb(types); + + return Void(); +} + +void Light::setAttentionLight(const LightState& state) { + std::lock_guard lock(mLock); + mAttentionState = state; + setSpeakerBatteryLightLocked(); +} + +void Light::setLcdBacklight(const LightState& state) { + std::lock_guard lock(mLock); + + uint32_t brightness = rgbToBrightness(state); + + // If max panel brightness is not the default (255), + // apply linear scaling across the accepted range. + if (mLcdBacklight.second != DEFAULT_MAX_BRIGHTNESS) { + int old_brightness = brightness; + brightness = brightness * mLcdBacklight.second / DEFAULT_MAX_BRIGHTNESS; + LOG(VERBOSE) << "scaling brightness " << old_brightness << " => " << brightness; + } + + mLcdBacklight.first << brightness << std::endl; +} + +void Light::setButtonsBacklight(const LightState& state) { + std::lock_guard lock(mLock); + + uint32_t brightness = rgbToBrightness(state); + + for (auto& button : mButtonBacklight) { + button << brightness << std::endl; + } +} + +void Light::setBatteryLight(const LightState& state) { + std::lock_guard lock(mLock); + mBatteryState = state; + setSpeakerBatteryLightLocked(); +} + +void Light::setNotificationLight(const LightState& state) { + std::lock_guard lock(mLock); + + uint32_t brightness, color, rgb[3]; + LightState localState = state; + + // If a brightness has been applied by the user + brightness = (localState.color & 0xff000000) >> 24; + if (brightness > 0 && brightness < 255) { + // Retrieve each of the RGB colors + color = localState.color & 0x00ffffff; + rgb[0] = (color >> 16) & 0xff; + rgb[1] = (color >> 8) & 0xff; + rgb[2] = color & 0xff; + + // Apply the brightness level + if (rgb[0] > 0) { + rgb[0] = (rgb[0] * brightness) / 0xff; + } + if (rgb[1] > 0) { + rgb[1] = (rgb[1] * brightness) / 0xff; + } + if (rgb[2] > 0) { + rgb[2] = (rgb[2] * brightness) / 0xff; + } + + // Update with the new color + localState.color = (rgb[0] << 16) + (rgb[1] << 8) + rgb[2]; + } + + mNotificationState = localState; + setSpeakerBatteryLightLocked(); +} + +void Light::setSpeakerBatteryLightLocked() { + if (isLit(mNotificationState)) { + setSpeakerLightLocked(mNotificationState); + } else if (isLit(mAttentionState)) { + setSpeakerLightLocked(mAttentionState); + } else if (isLit(mBatteryState)) { + setSpeakerLightLocked(mBatteryState); + } else { + // Lights off + mRedLed << 0 << std::endl; + mGreenLed << 0 << std::endl; + mBlueLed << 0 << std::endl; + mRedBlink << 0 << std::endl; + mGreenBlink << 0 << std::endl; + mBlueBlink << 0 << std::endl; + } +} + +void Light::setSpeakerLightLocked(const LightState& state) { + int red, green, blue, blink; + int onMs, offMs, stepDuration, pauseHi; + uint32_t colorRGB = state.color; + + switch (state.flashMode) { + case Flash::TIMED: + onMs = state.flashOnMs; + offMs = state.flashOffMs; + break; + case Flash::NONE: + default: + onMs = 0; + offMs = 0; + break; + } + + red = (colorRGB >> 16) & 0xff; + green = (colorRGB >> 8) & 0xff; + blue = colorRGB & 0xff; + blink = onMs > 0 && offMs > 0; + + // Disable all blinking to start + mRgbBlink << 0 << std::endl; + + if (blink) { + stepDuration = RAMP_STEP_DURATION; + pauseHi = onMs - (stepDuration * RAMP_SIZE * 2); + + if (stepDuration * RAMP_SIZE * 2 > onMs) { + stepDuration = onMs / (RAMP_SIZE * 2); + pauseHi = 0; + } + + // Red + mRedStartIdx << 0 << std::endl; + mRedDutyPcts << getScaledDutyPcts(red) << std::endl; + mRedPauseLo << offMs << std::endl; + mRedPauseHi << pauseHi << std::endl; + mRedRampStepMs << stepDuration << std::endl; + + // Green + mGreenStartIdx << RAMP_SIZE << std::endl; + mGreenDutyPcts << getScaledDutyPcts(green) << std::endl; + mGreenPauseLo << offMs << std::endl; + mGreenPauseHi << pauseHi << std::endl; + mGreenRampStepMs << stepDuration << std::endl; + + // Blue + mBlueStartIdx << RAMP_SIZE * 2 << std::endl; + mBlueDutyPcts << getScaledDutyPcts(blue) << std::endl; + mBluePauseLo << offMs << std::endl; + mBluePauseHi << pauseHi << std::endl; + mBlueRampStepMs << stepDuration << std::endl; + + // Start the party + mRgbBlink << 1 << std::endl; + } else { + if (red == 0 && green == 0 && blue == 0) { + mRedBlink << 0 << std::endl; + mGreenBlink << 0 << std::endl; + mBlueBlink << 0 << std::endl; + } + mRedLed << red << std::endl; + mGreenLed << green << std::endl; + mBlueLed << blue << std::endl; + } +} + +} // namespace implementation +} // namespace V2_0 +} // namespace light +} // namespace hardware +} // namespace android diff --git a/light/Light.h b/light/Light.h new file mode 100644 index 0000000..f21e19e --- /dev/null +++ b/light/Light.h @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2018 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_LIGHT_V2_0_LIGHT_H +#define ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H + +#include +#include + +#include +#include +#include + +namespace android { +namespace hardware { +namespace light { +namespace V2_0 { +namespace implementation { + +struct Light : public ILight { + Light(std::pair&& lcd_backlight, + std::vector&& button_backlight, + std::ofstream&& red_led, std::ofstream&& green_led, std::ofstream&& blue_led, + std::ofstream&& red_duty_pcts, std::ofstream&& green_duty_pcts, std::ofstream&& blue_duty_pcts, + std::ofstream&& red_start_idx, std::ofstream&& green_start_idx, std::ofstream&& blue_start_idx, + std::ofstream&& red_pause_lo, std::ofstream&& green_pause_lo, std::ofstream&& blue_pause_lo, + std::ofstream&& red_pause_hi, std::ofstream&& green_pause_hi, std::ofstream&& blue_pause_hi, + std::ofstream&& red_ramp_step_ms, std::ofstream&& green_ramp_step_ms, std::ofstream&& blue_ramp_step_ms, + std::ofstream&& red_blink, std::ofstream&& green_blink, std::ofstream&& blue_blink, + std::ofstream&& rgb_blink); + + // Methods from ::android::hardware::light::V2_0::ILight follow. + Return setLight(Type type, const LightState& state) override; + Return getSupportedTypes(getSupportedTypes_cb _hidl_cb) override; + + private: + void setAttentionLight(const LightState& state); + void setBatteryLight(const LightState& state); + void setButtonsBacklight(const LightState& state); + void setLcdBacklight(const LightState& state); + void setNotificationLight(const LightState& state); + void setSpeakerBatteryLightLocked(); + void setSpeakerLightLocked(const LightState& state); + + std::pair mLcdBacklight; + std::vector mButtonBacklight; + std::ofstream mRedLed; + std::ofstream mGreenLed; + std::ofstream mBlueLed; + std::ofstream mRedDutyPcts; + std::ofstream mGreenDutyPcts; + std::ofstream mBlueDutyPcts; + std::ofstream mRedStartIdx; + std::ofstream mGreenStartIdx; + std::ofstream mBlueStartIdx; + std::ofstream mRedPauseLo; + std::ofstream mGreenPauseLo; + std::ofstream mBluePauseLo; + std::ofstream mRedPauseHi; + std::ofstream mGreenPauseHi; + std::ofstream mBluePauseHi; + std::ofstream mRedRampStepMs; + std::ofstream mGreenRampStepMs; + std::ofstream mBlueRampStepMs; + std::ofstream mRedBlink; + std::ofstream mGreenBlink; + std::ofstream mBlueBlink; + std::ofstream mRgbBlink; + + LightState mAttentionState; + LightState mBatteryState; + LightState mNotificationState; + + std::unordered_map> mLights; + std::mutex mLock; +}; + +} // namespace implementation +} // namespace V2_0 +} // namespace light +} // namespace hardware +} // namespace android + +#endif // ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H diff --git a/light/android.hardware.light@2.0-service.zuk_8996.rc b/light/android.hardware.light@2.0-service.zuk_8996.rc new file mode 100644 index 0000000..ce90011 --- /dev/null +++ b/light/android.hardware.light@2.0-service.zuk_8996.rc @@ -0,0 +1,66 @@ +on init + # RGB lights + chown system system /sys/class/leds/red/brightness + chown system system /sys/class/leds/green/brightness + chown system system /sys/class/leds/blue/brightness + + chown system system /sys/class/leds/red/pause_lo + chown system system /sys/class/leds/green/pause_lo + chown system system /sys/class/leds/blue/pause_lo + + chown system system /sys/class/leds/red/pause_hi + chown system system /sys/class/leds/green/pause_hi + chown system system /sys/class/leds/blue/pause_hi + + chown system system /sys/class/leds/red/blink + chown system system /sys/class/leds/green/blink + chown system system /sys/class/leds/blue/blink + + chown system system /sys/class/leds/rgb/rgb_blink + + chown system system /sys/class/leds/red/ramp_step_ms + chown system system /sys/class/leds/green/ramp_step_ms + chown system system /sys/class/leds/blue/ramp_step_ms + + chown system system /sys/class/leds/red/duty_pcts + chown system system /sys/class/leds/green/duty_pcts + chown system system /sys/class/leds/blue/duty_pcts + + chown system system /sys/class/leds/red/start_idx + chown system system /sys/class/leds/green/start_idx + chown system system /sys/class/leds/blue/start_idx + + chown system system /sys/class/leds/blue/lut_flags + chown system system /sys/class/leds/red/lut_flags + chown system system /sys/class/leds/green/lut_flags + + chmod 660 /sys/class/leds/red/brightness + chmod 660 /sys/class/leds/green/brightness + chmod 660 /sys/class/leds/blue/brightness + + chmod 660 /sys/class/leds/red/ramp_step_ms + chmod 660 /sys/class/leds/green/ramp_step_ms + chmod 660 /sys/class/leds/blue/ramp_step_ms + + chmod 660 /sys/class/leds/red/duty_pcts + chmod 660 /sys/class/leds/green/duty_pcts + chmod 660 /sys/class/leds/blue/duty_pcts + + chmod 660 /sys/class/leds/red/start_idx + chmod 660 /sys/class/leds/green/start_idx + chmod 660 /sys/class/leds/blue/start_idx + + chmod 660 /sys/class/leds/blue/lut_flags + chmod 660 /sys/class/leds/red/lut_flags + chmod 660 /sys/class/leds/green/lut_flags + + chmod 660 /sys/class/leds/blue/pause_lo + chmod 660 /sys/class/leds/red/pause_lo + chmod 660 /sys/class/leds/green/pause_lo + + chmod 660 /sys/class/leds/rgb/rgb_blink + +service light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service.zuk_8996 + class hal + user system + group system diff --git a/light/service.cpp b/light/service.cpp new file mode 100644 index 0000000..8dd750d --- /dev/null +++ b/light/service.cpp @@ -0,0 +1,284 @@ +/* + * Copyright (C) 2018 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.light@2.0-service.zuk_8996" + +#include +#include +#include + +#include "Light.h" + +// libhwbinder: +using android::hardware::configureRpcThreadpool; +using android::hardware::joinRpcThreadpool; + +// Generated HIDL files +using android::hardware::light::V2_0::ILight; +using android::hardware::light::V2_0::implementation::Light; + +const static std::string kLcdBacklightPath = "/sys/class/leds/lcd-backlight/brightness"; +const static std::string kLcdMaxBacklightPath = "/sys/class/leds/lcd-backlight/max_brightness"; +const static std::string kButton1BacklightPath = "/sys/class/leds/button-backlight/brightness"; +const static std::string kButton2BacklightPath = "/sys/class/leds/button-backlight1/brightness"; +const static std::string kButton3BacklightPath = "/sys/class/leds/button-backlight2/brightness"; +const static std::string kRedLedPath = "/sys/class/leds/red/brightness"; +const static std::string kGreenLedPath = "/sys/class/leds/green/brightness"; +const static std::string kBlueLedPath = "/sys/class/leds/blue/brightness"; +const static std::string kRedDutyPctsPath = "/sys/class/leds/red/duty_pcts"; +const static std::string kGreenDutyPctsPath = "/sys/class/leds/green/duty_pcts"; +const static std::string kBlueDutyPctsPath = "/sys/class/leds/blue/duty_pcts"; +const static std::string kRedStartIdxPath = "/sys/class/leds/red/start_idx"; +const static std::string kGreenStartIdxPath = "/sys/class/leds/green/start_idx"; +const static std::string kBlueStartIdxPath = "/sys/class/leds/blue/start_idx"; +const static std::string kRedPauseLoPath = "/sys/class/leds/red/pause_lo"; +const static std::string kGreenPauseLoPath = "/sys/class/leds/green/pause_lo"; +const static std::string kBluePauseLoPath = "/sys/class/leds/blue/pause_lo"; +const static std::string kRedPauseHiPath = "/sys/class/leds/red/pause_hi"; +const static std::string kGreenPauseHiPath = "/sys/class/leds/green/pause_hi"; +const static std::string kBluePauseHiPath = "/sys/class/leds/blue/pause_hi"; +const static std::string kRedRampStepMsPath = "/sys/class/leds/red/ramp_step_ms"; +const static std::string kGreenRampStepMsPath = "/sys/class/leds/green/ramp_step_ms"; +const static std::string kBlueRampStepMsPath = "/sys/class/leds/blue/ramp_step_ms"; +const static std::string kRedBlinkPath = "/sys/class/leds/red/blink"; +const static std::string kGreenBlinkPath = "/sys/class/leds/green/blink"; +const static std::string kBlueBlinkPath = "/sys/class/leds/blue/blink"; +const static std::string kRgbBlinkPath = "/sys/class/leds/rgb/rgb_blink"; + +int main() { + uint32_t lcdMaxBrightness = 255; + std::vector buttonBacklight; + + std::ofstream lcdBacklight(kLcdBacklightPath); + if (!lcdBacklight) { + LOG(ERROR) << "Failed to open " << kLcdBacklightPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ifstream lcdMaxBacklight(kLcdMaxBacklightPath); + if (!lcdMaxBacklight) { + LOG(ERROR) << "Failed to open " << kLcdMaxBacklightPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } else { + lcdMaxBacklight >> lcdMaxBrightness; + } + + std::ofstream button1Backlight(kButton1BacklightPath); + if (button1Backlight) { + buttonBacklight.emplace_back(std::move(button1Backlight)); + } else { + LOG(WARNING) << "Failed to open " << kButton1BacklightPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + } + + std::ofstream button2Backlight(kButton2BacklightPath); + if (button2Backlight) { + buttonBacklight.emplace_back(std::move(button2Backlight)); + } else { + LOG(WARNING) << "Failed to open " << kButton2BacklightPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + } + + std::ofstream button3Backlight(kButton3BacklightPath); + if (button3Backlight) { + buttonBacklight.emplace_back(std::move(button3Backlight)); + } else { + LOG(WARNING) << "Failed to open " << kButton3BacklightPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + } + + std::ofstream redLed(kRedLedPath); + if (!redLed) { + LOG(ERROR) << "Failed to open " << kRedLedPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream greenLed(kGreenLedPath); + if (!greenLed) { + LOG(ERROR) << "Failed to open " << kGreenLedPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream blueLed(kBlueLedPath); + if (!blueLed) { + LOG(ERROR) << "Failed to open " << kBlueLedPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream redDutyPcts(kRedDutyPctsPath); + if (!redDutyPcts) { + LOG(ERROR) << "Failed to open " << kRedDutyPctsPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream greenDutyPcts(kGreenDutyPctsPath); + if (!greenDutyPcts) { + LOG(ERROR) << "Failed to open " << kGreenDutyPctsPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream blueDutyPcts(kBlueDutyPctsPath); + if (!blueDutyPcts) { + LOG(ERROR) << "Failed to open " << kBlueDutyPctsPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream redStartIdx(kRedStartIdxPath); + if (!redStartIdx) { + LOG(ERROR) << "Failed to open " << kRedStartIdxPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream greenStartIdx(kGreenStartIdxPath); + if (!greenStartIdx) { + LOG(ERROR) << "Failed to open " << kGreenStartIdxPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream blueStartIdx(kBlueStartIdxPath); + if (!blueStartIdx) { + LOG(ERROR) << "Failed to open " << kBlueStartIdxPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream redPauseLo(kRedPauseLoPath); + if (!redPauseLo) { + LOG(ERROR) << "Failed to open " << kRedPauseLoPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream greenPauseLo(kGreenPauseLoPath); + if (!greenPauseLo) { + LOG(ERROR) << "Failed to open " << kGreenPauseLoPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream bluePauseLo(kBluePauseLoPath); + if (!bluePauseLo) { + LOG(ERROR) << "Failed to open " << kBluePauseLoPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream redPauseHi(kRedPauseHiPath); + if (!redPauseHi) { + LOG(ERROR) << "Failed to open " << kRedPauseHiPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream greenPauseHi(kGreenPauseHiPath); + if (!greenPauseHi) { + LOG(ERROR) << "Failed to open " << kGreenPauseHiPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream bluePauseHi(kBluePauseHiPath); + if (!bluePauseHi) { + LOG(ERROR) << "Failed to open " << kBluePauseHiPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream redRampStepMs(kRedRampStepMsPath); + if (!redRampStepMs) { + LOG(ERROR) << "Failed to open " << kRedRampStepMsPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream greenRampStepMs(kGreenRampStepMsPath); + if (!greenRampStepMs) { + LOG(ERROR) << "Failed to open " << kGreenRampStepMsPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream blueRampStepMs(kBlueRampStepMsPath); + if (!blueRampStepMs) { + LOG(ERROR) << "Failed to open " << kBlueRampStepMsPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream redBlink(kRedBlinkPath); + if (!redBlink) { + LOG(ERROR) << "Failed to open " << kRedBlinkPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream greenBlink(kGreenBlinkPath); + if (!greenBlink) { + LOG(ERROR) << "Failed to open " << kGreenBlinkPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream blueBlink(kBlueBlinkPath); + if (!blueBlink) { + LOG(ERROR) << "Failed to open " << kBlueBlinkPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + std::ofstream rgbBlink(kRgbBlinkPath); + if (!rgbBlink) { + LOG(ERROR) << "Failed to open " << kRgbBlinkPath << ", error=" << errno + << " (" << strerror(errno) << ")"; + return -errno; + } + + android::sp service = new Light( + {std::move(lcdBacklight), lcdMaxBrightness}, std::move(buttonBacklight), + std::move(redLed), std::move(greenLed), std::move(blueLed), + std::move(redDutyPcts), std::move(greenDutyPcts), std::move(blueDutyPcts), + std::move(redStartIdx), std::move(greenStartIdx), std::move(blueStartIdx), + std::move(redPauseLo), std::move(greenPauseLo), std::move(bluePauseLo), + std::move(redPauseHi), std::move(greenPauseHi), std::move(bluePauseHi), + std::move(redRampStepMs), std::move(greenRampStepMs), std::move(blueRampStepMs), + std::move(redBlink), std::move(greenBlink), std::move(blueBlink), + std::move(rgbBlink)); + + configureRpcThreadpool(1, true); + + android::status_t status = service->registerAsService(); + + if (status != android::OK) { + LOG(ERROR) << "Cannot register Light HAL service"; + return 1; + } + + LOG(INFO) << "Light HAL Ready."; + joinRpcThreadpool(); + // Under normal cases, execution will not reach this line. + LOG(ERROR) << "Light HAL failed to join thread pool."; + return 1; +} -- cgit v1.2.3