mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-05-25 22:14:37 +00:00
132 lines
2.7 KiB
C++
132 lines
2.7 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <driver.hpp>
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#include <memory.hpp>
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#include <ints.hpp>
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#include <task.hpp>
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#include <printf.h>
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#include <exec.hpp>
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#include <cwalk.h>
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#include <md5.h>
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#include "../../../kernel.h"
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#include "../../../driver.h"
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using namespace vfs;
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namespace Driver
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{
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int SlaveDeviceFile::open(int Flags, mode_t Mode)
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{
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switch (this->DeviceType)
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{
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default:
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if (this->Open)
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return this->Open(this->DeviceMajor, this->DeviceMinor,
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Flags, Mode);
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return -ENOSYS;
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}
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}
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int SlaveDeviceFile::close()
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{
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switch (this->DeviceType)
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{
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default:
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if (this->Close)
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return this->Close(this->DeviceMajor, this->DeviceMinor);
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return -ENOSYS;
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}
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}
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size_t SlaveDeviceFile::read(uint8_t *Buffer,
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size_t Size,
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off_t Offset)
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{
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switch (this->DeviceType)
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{
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case ddt_Keyboard:
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{
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while (KeyQueue.empty())
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TaskManager->Yield();
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Buffer[0] = KeyQueue.front();
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KeyQueue.pop_front();
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return 1;
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}
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default:
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if (this->Read)
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return this->Read(this->DeviceMajor, this->DeviceMinor,
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Buffer, Size, Offset);
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return 0;
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}
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}
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size_t SlaveDeviceFile::write(uint8_t *Buffer,
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size_t Size,
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off_t Offset)
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{
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switch (this->DeviceType)
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{
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default:
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if (this->Write)
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return this->Write(this->DeviceMajor, this->DeviceMinor,
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Buffer, Size, Offset);
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return 0;
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}
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}
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int SlaveDeviceFile::ioctl(unsigned long Request,
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void *Argp)
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{
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switch (this->DeviceType)
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{
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default:
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if (this->Ioctl)
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return this->Ioctl(this->DeviceMajor, this->DeviceMinor,
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Request, Argp);
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return -ENOSYS;
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}
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}
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void SlaveDeviceFile::ClearBuffers()
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{
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KeyQueue.clear();
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/* ... */
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}
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int SlaveDeviceFile::ReportKeyEvent(uint8_t ScanCode)
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{
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if (KeyQueue.size() > 16)
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KeyQueue.pop_front();
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KeyQueue.push_back(ScanCode);
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return 0;
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}
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SlaveDeviceFile::SlaveDeviceFile(const char *Name, vfs::Node *Parent, int Type, vfs::NodeType NType)
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: Node(Parent, Name, NType)
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{
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this->DeviceType = Type;
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}
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SlaveDeviceFile::~SlaveDeviceFile()
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{
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}
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}
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