LCOM1920-T5G03

#include "mouse_func.h"

#include "errors.h"

#include "kbc.h"

#include "mouse.h"

#include <lcom/lcf.h>

int (subscribe_mouse_interrupt)(uint8_t interrupt_bit, int *interrupt_id) {

    if (interrupt_id == NULL) return NULL_PTR;

    *interrupt_id = interrupt_bit;

    if (sys_irqsetpolicy(MOUSE_IRQ, IRQ_REENABLE | IRQ_EXCLUSIVE, interrupt_id)) return SBCR_ERROR;

    return SUCCESS;

}

int got_error_mouse_ih = 0;

uint8_t packet[3];

int counter = 0;

void (mouse_ih)(void) {

    uint8_t status = 0;

    got_error_mouse_ih = 0;

    if (util_sys_inb(STATUS_REG, &status)) {

        got_error_mouse_ih = 1;

        return;

    }

    if (status & (TIME_OUT_REC | PARITY_ERROR)) {

        got_error_mouse_ih = 1;

        return;

    }

    uint8_t byte = 0;

    if (util_sys_inb(OUTPUT_BUF, &byte)) {

        got_error_mouse_ih = 1;

        return;

    }

    if(counter >= 3) counter = 0;

    packet[counter] = byte;

    counter++;

}

struct packet (mouse_parse_packet)(const uint8_t *packet_bytes){

    struct packet pp;

    pp.bytes[0] = packet_bytes[0];

    pp.bytes[1] = packet_bytes[1];

    pp.bytes[2] = packet_bytes[2];

    pp.rb       = pp.bytes[0] & RIGHT_BUTTON;

    pp.mb       = pp.bytes[0] & MIDDLE_BUTTON;

    pp.lb       = pp.bytes[0] & LEFT_BUTTON;

    pp.delta_x  = pp.bytes[1];

    pp.delta_y  = pp.bytes[2];

    pp.x_ov     = pp.bytes[0] & X_OVERFLOW;

    pp.y_ov     = pp.bytes[0] & Y_OVERFLOW;

    return pp;

}