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https://github.com/mudita/MuditaOS.git
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b74a72dc4e
Increasing CPU frequency for screen redraw when screen is locked
due to DMA problems at lower frequencies.
(cherry picked from commit ddc80d3ed5)
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
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// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
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#include "EinkSentinel.hpp"
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#include <apps-common/locks/data/PhoneLockMessages.hpp>
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#include <bsp/common.hpp>
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namespace service::eink
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{
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namespace
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{
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constexpr auto RedrawLockedEinkCpuFrequency = bsp::CpuFrequencyHz::Level_4;
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constexpr auto RedrawUnlockedEinkCpuFrequency = bsp::CpuFrequencyHz::Level_6;
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} // namespace
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EinkSentinel::EinkSentinel(std::string name, sys::Service *service) : sys::CpuSentinel(name, service)
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{
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owner->bus.channels.push_back(sys::BusChannel::PhoneLockChanges);
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owner->connect(typeid(locks::UnlockedPhone),
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[this](sys::Message *msg) -> sys::MessagePointer { return handleUnlockedPhone(); });
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owner->connect(typeid(locks::LockedPhone),
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[this](sys::Message *msg) -> sys::MessagePointer { return handleLockedPhone(); });
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}
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void EinkSentinel::HoldMinimumFrequency()
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{
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CpuSentinel::HoldMinimumFrequency(isScreenLocked ? RedrawLockedEinkCpuFrequency
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: RedrawUnlockedEinkCpuFrequency);
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}
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sys::MessagePointer EinkSentinel::handleLockedPhone()
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{
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isScreenLocked = true;
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return sys::MessageNone{};
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}
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sys::MessagePointer EinkSentinel::handleUnlockedPhone()
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{
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isScreenLocked = false;
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return sys::MessageNone{};
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}
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} // namespace service::eink
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