PS2Mouse.hpp

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//
// Created by Pawel Reich on 1/26/25.
//
#pragma once
#include <stdint-gcc.h>
#include <fs/pipe/PipeFS.hpp>
 
class PS2Mouse
{
   public:
    void handle_cycle();
    void wait(uint8_t type) const;
    void write(uint8_t byte) const;
    uint8_t read() const;
 
    static PS2Mouse* instance();
 
    struct mouse_packet
    {  // TODO: Make this smaller
        int32_t x;
        int32_t y;
        unsigned char buttons;
    };
    uint32_t pipe_size = 128;
 
   private:
    PS2Mouse();
    int mouse_cycle = 0;
    char mouse_byte[3] = { 0 };
    PipeFS* pipe;
 
    const int MOUSE_IRQ = 12;
    const int MOUSE_PORT = 0x60;
    const int MOUSE_STATUS = 0x64;
    const int MOUSE_ABIT = 0x02;  // Input buffer status
    const int MOUSE_BBIT = 0x01;  // Output buffer status
    const int MOUSE_WRITE = 0xD4;
    const int MOUSE_F_BIT = 0x20;  // Check mouse data validity
    const int MOUSE_V_BIT = 0x08;  // Packet validity
 
    const int TIMEOUT = 100000;
};