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Kernel: Add super basic support for USB keyboard LEDs

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This is very hacky but it seems to mostly work. Also for some reason
this fixed my Razer Mamba mouse????
This commit is contained in:
Bananymous
2025-02-11 02:18:50 +02:00
parent 4dd6c85df2
commit 088f77a226
4 changed files with 113 additions and 8 deletions
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3
kernel/include/kernel/USB/HID/HIDDriver.h
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@@ -78,6 +78,9 @@ namespace Kernel
void handle_stall(uint8_t endpoint_id) override;
void handle_input_data(size_t byte_count, uint8_t endpoint_id) override;
USBDevice& device() { return m_device; }
const USBDevice::InterfaceDescriptor& interface() const { return m_interface; }
private:
USBHIDDriver(USBDevice&, const USBDevice::InterfaceDescriptor&);
~USBHIDDriver();

12
kernel/include/kernel/USB/HID/Keyboard.h
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@@ -20,12 +20,15 @@ namespace Kernel
void update() override;
private:
USBKeyboard()
: USBHIDDevice(InputDevice::Type::Keyboard)
{}
USBKeyboard(USBHIDDriver& driver, BAN::Vector<USBHID::Report>&& outputs);
~USBKeyboard() = default;
void set_leds(uint16_t mask);
void set_leds(uint8_t report_id, uint16_t mask);
private:
USBHIDDriver& m_driver;
SpinLock m_keyboard_lock;
InterruptState m_lock_state;
@@ -33,6 +36,9 @@ namespace Kernel
BAN::Array<bool, 0x100> m_keyboard_state_temp { false };
uint16_t m_toggle_mask { 0 };
uint16_t m_led_mask { 0 };
BAN::Vector<USBHID::Report> m_outputs;
BAN::Optional<uint8_t> m_repeat_scancode;
uint8_t m_repeat_modifier { 0 };
uint64_t m_next_repeat_event_ms { 0 };