LCOM1920-T5G03

# name of the program (Minix service)

PROG=lab4

# source code files to be compiled

SRCS = lab4.c

# additional compilation flags

# "-Wall -Wextra -Werror -I . -std=c11 -Wno-unused-parameter" are already set

CFLAGS += -pedantic

# list of library dependencies (for Lab 2, only LCF library)

DPADD += ${LIBLCF}

LDADD += -llcf

# include LCOM's makefile that does all the "heavy lifting"

.include <minix.lcom.mk>

#ifndef _ERRORS_H_

#define _ERRORS_H_

enum errors {

    SUCESS = 0,     /* @brief Sucessful */

    NULL_PTR,       /* @brief Null Pointer Error */

    LCF_ERROR,      /* @brief Error originated on LCF */

    SBCR_ERROR,     /* @brief Error on Subscribing Interrupt */

    USBCR_ERROR,    /* @brief Error on Unsubscring Interrupt*/

    READ_ERROR,     /* @brief Error on Reading from Port */

    WRITE_ERROR,    /* @brief Error on Writing to Port */

};

#endif /* end of include guard: _ERRORS_H_ */

#ifndef _KBC_H_

#define _KBC_H_

/* KBC IRQ Line */

#define KBC_IRQ     1 /* @brief KBC Controller IRQ Line */

/* Delay for KBC */

#define DELAY           20000 /* @brief KBC Response Delay */

#define KBC_NUM_TRIES   10    /* @brief Number of tries to issue command before timeout */

/* I/O Ports Addresses */

#define KBC_CMD     0x64 /* @brief Address to send commands to KBC */

#define KBC_CMD_ARG 0x60 /* @brief Address to write KBC Command Arguments */

#define STATUS_REG  0x64 /* @brief KBC Status Register address */

#define OUTPUT_BUF  0x60 /* @brief Address of Output Buffer of KBC */

/* KBC Commands */

#define READ_KBC_CMD    0x20 /* @brief Read KBC Command Byte */

#define WRITE_KBC_CMD   0x60 /* @brief Write KBC Command Byte */

#define KBC_SELF_TEST   0xAA /* @brief KBC Diagnostic Tests */

#define KBC_INT_TEST    0xAB /* @brief Tests Keyboard Clock and Data lines */

#define KBC_INT_DISABLE 0xAD /* @brief Disable KBC Interface */

#define KBC_INT_ENABLE  0xAE /* @brief Enable KBC Interface */

#define MOUSE_DISABLE   0xA7 /* @brief Disable Mouse */

#define MOUSE_ENABLE    0xA8 /* @brief Enable Mouse */

#define MOUSE_INT_TEST  0xA9 /* @brief Tests Mouse data line */

#define MOUSE_WRITE_B   0xD4 /* @brief Write a byte directly to the mouse */

/* Status Byte Masking */

#define OUT_BUF_FUL     BIT(0) /* @brief Output Buffer State */

#define IN_BUF_FULL     BIT(1) /* @brief Input Buffer State */

#define SYS_FLAG        BIT(2) /* @brief System Flag */

#define DATA_CMD_WRITE  BIT(3) /* @brief Identifier of type of byte in input buffer */

#define INH_FLAG        BIT(4) /* @brief Keyboard inihibited */

#define AUX_MOUSE       BIT(5) /* @brief Mouse Data */

#define TIME_OUT_REC    BIT(6) /* @brief Time Out Error - Invalid Data */

#define PARITY_ERROR    BIT(7) /* @brief Parity Error - Invalid Data */

/* Scancode Constants */

#define ESC_BREAK_CODE  0x81    /* @brief ESC Break Code */

#define TWO_BYTE_CODE   0xE0    /* @brief First byte of a two byte Scancode */

#define BREAK_CODE_BIT  BIT(7)  /* @brief Bit to distinguish between Make code and Break code */

/* Command byte masks */

#define INT_KBD         BIT(0)  /* @brief Enable Keyboard Interrupts */

#define INT_MOU         BIT(1)  /* @brief Enable Mouse Interrupts */

#define DIS_KBD         BIT(4)  /* @brief Disable Keyboard */

#define DIS_MOU         BIT(5)  /* @brief Disable Mouse */

#endif

#include <lcom/lcf.h>

#include <stdint.h>

#include <stdio.h>

// Any header files included below this line should have been created by you

int main(int argc, char *argv[]) {

  // sets the language of LCF messages (can be either EN-US or PT-PT)

  lcf_set_language("EN-US");

  // enables to log function invocations that are being "wrapped" by LCF

  // [comment this out if you don't want/need/ it]

  lcf_trace_calls("/home/lcom/labs/lab4/trace.txt");

  // enables to save the output of printf function calls on a file

  // [comment this out if you don't want/need it]

  lcf_log_output("/home/lcom/labs/lab4/output.txt");

  // handles control over to LCF

  // [LCF handles command line arguments and invokes the right function]

  if (lcf_start(argc, argv))

    return 1;

  // LCF clean up tasks

  // [must be the last statement before return]

  lcf_cleanup();

  return 0;

}

int (mouse_test_packet)(uint32_t cnt) {

}

int (mouse_test_remote)(uint16_t period, uint8_t cnt) {

    /* To be completed */

    printf("%s(%u, %u): under construction\n", __func__, period, cnt);

    return 1;

}

int (mouse_test_async)(uint8_t idle_time) {

    /* To be completed */

    printf("%s(%u): under construction\n", __func__, idle_time);

    return 1;

}

int (mouse_test_gesture)() {

    /* To be completed */

    printf("%s: under construction\n", __func__);

    return 1;

}

#ifndef _MOUSE_H_

#define _MOUSE_H_

/* Mouse Data Packet */

// Byte 0 - Button States

#define LEFT_BUTTON     BIT(0) /* @brief Left button click event*/

#define RIGHT_BUTTON    BIT(1) /* @brief Right button click event */

#define MIDDLE_BUTTON   BIT(2) /* @brief Middle button click event */

#define FIRST_BYTE_ID   BIT(3) /* @brief Identifier of first byte of packet CAREFUL: Not 100% accurate */

#define MSB_X_DELTA     BIT(4) /* @brief Most significant bit of X delta */

#define MSB_Y_DELTA     BIT(5) /* @brief Most significant bit of Y delta */

#define X_OVERFLOW      BIT(6) /* @brief X delta overflowed */

#define Y_OVERFLOW      BIT(7) /* @brief Y delta overflowed */

// Byte 1 - X delta

// Byte 2 - Y delta

/* Mouse Commands */

#define RESET           0xFF /* @brief Reset mouse */

#define RESEND          0xFE /* @brief Resend command */

#define DEFAULT         0xF6 /* @brief Set default values */

#define DIS_DATA_REP    0xF5 /* @brief Disable Data Reporting */

#define ENABLE_DATA_REP 0xF4 /* @brief Enable Data Reporting */

#define SET_SAMPLE_RT   0xF3 /* @brief Sets state sampling rate */

#define SET_REMOTE_MD   0xF0 /* @brief Sets Mouse on Remote Mode, data on request */

#define READ_DATA       0xEB /* @brief Sends data packet request */

#define SET_STREAM_MD   0xEA /* @brief Sets mouse on Stream Mode, data on events */

#define STATUS_REQUEST  0xE9 /* @brief Get mouse configuration */

#define SET_RESOLUTION  0xE8 /* @brief Sets resolution for mouse movement */

#define SCALING_ACC_MD  0xE7 /* @brief Sets scaling on acceleration mode */

#define SCALING_LIN_MD  0xE6 /* @brief Sets scaling on linear mode */

/* Mouse Controller Responses */

#define ACK_OK      0xFA /* @brief Operation sucessful */

#define ACK_INVALID 0xFE /* @brief Invalid Byte, first occurence */

#define ACK_ERROR   0xFC /* @brief Invalid Byte on resend */

#endif // _MOUSE_H_

#include "errors.h"

#include <lcom/lcf.h>

#include <stdint.h>

int (util_sys_inb)(int port, uint8_t *value) {

    if(value == NULL) return NULL_PTR;

    uint32_t n = 0;

    if(sys_inb(port, &n)) return READ_ERROR;

    *value = n;

    return SUCCESS;

}