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64 lines
1.9 KiB
64 lines
1.9 KiB
/* -*- mode: c++ -*-
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* Kaleidoscope-HostPowerManagement -- Host power management support plugin.
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* Copyright (C) 2017, 2018 Keyboard.io, Inc.
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "kaleidoscope/Runtime.h"
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#include <Kaleidoscope-HostPowerManagement.h>
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#include <Kaleidoscope-LEDControl.h>
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// This is a terrible hack until Arduino#6964 gets implemented.
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// It makes the `_usbSuspendState` symbol available to us.
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extern uint8_t _usbSuspendState;
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namespace kaleidoscope {
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namespace plugin {
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bool HostPowerManagement::was_suspended_ = false;
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bool HostPowerManagement::initial_suspend_ = true;
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EventHandlerResult HostPowerManagement::beforeEachCycle() {
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#ifdef __AVR__
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if ((_usbSuspendState & (1 << SUSPI))) {
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if (!initial_suspend_) {
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if (!was_suspended_) {
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was_suspended_ = true;
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hostPowerManagementEventHandler(Suspend);
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} else {
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hostPowerManagementEventHandler(Sleep);
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}
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}
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} else {
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if (initial_suspend_)
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initial_suspend_ = false;
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if (was_suspended_) {
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was_suspended_ = false;
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hostPowerManagementEventHandler(Resume);
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}
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}
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#endif
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return EventHandlerResult::OK;
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}
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}
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}
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__attribute__((weak)) void hostPowerManagementEventHandler(kaleidoscope::plugin::HostPowerManagement::Event event) {
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}
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kaleidoscope::plugin::HostPowerManagement HostPowerManagement;
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