banan-os/kernel/include/kernel/Input/PS2/Mouse.h

52 lines
1.1 KiB
C++

#pragma once
#include <kernel/Input/MouseEvent.h>
#include <kernel/Input/PS2/Device.h>
#include <kernel/Semaphore.h>
namespace Kernel::Input
{
class PS2Mouse final : public PS2Device
{
private:
enum Command : uint8_t
{
SET_SAMPLE_RATE = 0xF3
};
public:
static BAN::ErrorOr<PS2Mouse*> create(PS2Controller&);
virtual void send_initialize() override;
virtual void command_timedout(uint8_t* command_data, uint8_t command_size) final override {}
virtual void handle_byte(uint8_t) final override;
private:
PS2Mouse(PS2Controller& controller);
void initialize_extensions(uint8_t);
private:
uint8_t m_byte_buffer[10];
uint8_t m_byte_index { 0 };
bool m_enabled { false };
uint8_t m_mouse_id { 0x00 };
uint8_t m_button_mask { 0x00 };
BAN::CircularQueue<MouseEvent, 128> m_event_queue;
Semaphore m_semaphore;
protected:
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
virtual bool can_read_impl() const override { return !m_event_queue.empty(); }
virtual bool can_write_impl() const override { return false; }
virtual bool has_error_impl() const override { return false; }
};
}