mirror of
https://github.com/RGBCube/serenity
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55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/*
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* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Try.h>
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#include <AK/TypedTransfer.h>
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#include <Kernel/Bus/USB/Drivers/HID/Codes.h>
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#include <Kernel/Bus/USB/USBController.h>
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#include <Kernel/Bus/USB/USBDescriptors.h>
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#include <Kernel/Bus/USB/USBRequest.h>
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#include <Kernel/Bus/USB/USBTransfer.h>
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#include <Kernel/Devices/DeviceManagement.h>
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#include <Kernel/Devices/HID/USB/MouseDevice.h>
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#include <Kernel/Library/KString.h>
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namespace Kernel {
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ErrorOr<NonnullRefPtr<USBMouseDevice>> USBMouseDevice::try_create_instance(USB::Device const& usb_device, size_t max_packet_size, NonnullOwnPtr<USB::InterruptInPipe> pipe)
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{
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if (max_packet_size < 4)
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return Error::from_errno(ENOTSUP);
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auto device = TRY(DeviceManagement::try_create_device<USBMouseDevice>(usb_device, move(pipe)));
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TRY(device->create_and_start_polling_process(max_packet_size));
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return *device;
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}
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ErrorOr<void> USBMouseDevice::create_and_start_polling_process(size_t max_packet_size)
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{
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VERIFY(max_packet_size >= 4);
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[[maybe_unused]] auto interrupt_in_transfer = TRY(m_interrupt_in_pipe->submit_interrupt_in_transfer(max_packet_size, 10, [this](auto* transfer) {
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USB::HID::MouseBootProtocolPacket packet_raw;
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memcpy(&packet_raw, transfer->buffer().as_ptr(), 4);
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MousePacket packet;
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packet.buttons = packet_raw.buttons & 0x07;
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packet.x = packet_raw.x;
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packet.y = -packet_raw.y;
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packet.z = -packet_raw.z;
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packet.w = 0;
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packet.is_relative = true;
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handle_mouse_packet_input_event(packet);
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}));
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return {};
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}
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USBMouseDevice::USBMouseDevice(USB::Device const& usb_device, NonnullOwnPtr<USB::InterruptInPipe> pipe)
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: MouseDevice()
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, m_interrupt_in_pipe(move(pipe))
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, m_attached_usb_device(usb_device)
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{
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}
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}
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