mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#if defined(AMS_SDMMC_USE_SD_CARD_DETECTOR)
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#include <stratosphere.hpp>
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namespace ams::sdmmc::impl {
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using InsertedCallback = void (*)(void *);
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using RemovedCallback = void (*)(void *);
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struct CallbackInfo {
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InsertedCallback inserted_callback;
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void *inserted_callback_arg;
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RemovedCallback removed_callback;
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void *removed_callback_arg;
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};
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class DeviceDetector {
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private:
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enum State {
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State_Initializing = 0,
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State_Awake = 1,
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State_Sleep = 2,
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State_Finalized = 3,
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};
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private:
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alignas(os::ThreadStackAlignment) u8 m_detector_thread_stack[8_KB];
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State m_state;
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bool m_is_prev_inserted;
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bool m_force_detection;
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os::ThreadType m_detector_thread;
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os::EventType m_detector_thread_end_event;
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os::EventType m_request_sleep_wake_event;
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os::EventType m_acknowledge_sleep_awake_event;
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os::EventType m_ready_device_status_event;
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DeviceCode m_gpio_device_code;
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gpio::GpioValue m_inserted_gpio_value;
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u32 m_gpio_debounce_ms;
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gpio::GpioPadSession m_gpio_pad_session;
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CallbackInfo m_callback_info;
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DeviceDetectionEventCallback m_device_detection_event_callback;
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void *m_device_detection_event_callback_arg;
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private:
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static void DetectorThreadEntry(void *arg) {
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reinterpret_cast<DeviceDetector *>(arg)->DetectorThread();
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}
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void DetectorThread();
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bool IsCurrentInserted();
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void HandleDeviceStatus(bool prev_inserted, bool cur_inserted);
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public:
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explicit DeviceDetector(DeviceCode dc, gpio::GpioValue igv, u32 gd)
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: m_gpio_device_code(dc), m_inserted_gpio_value(igv), m_gpio_debounce_ms(gd)
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{
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m_state = State_Finalized;
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m_is_prev_inserted = false;
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m_force_detection = false;
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m_callback_info = {};
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m_device_detection_event_callback = nullptr;
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m_device_detection_event_callback_arg = nullptr;
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}
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void Initialize(CallbackInfo *ci);
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void Finalize();
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void PutToSleep();
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void Awaken(bool force_det);
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u32 GetDebounceMilliSeconds() const {
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return m_gpio_debounce_ms;
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}
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bool IsInserted();
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void RegisterDetectionEventCallback(DeviceDetectionEventCallback cb, void *arg);
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void UnregisterDetectionEventCallback();
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};
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}
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#endif |