avr_usb.h

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// vim: set sts=4:sw=4:ts=4:noexpandtab

/* 
 *   avr_usb.h
 * 
 *   Copyright 2012 Torbjorn Tyridal <ttyridal@gmail.com>
 * 
 *   This file is part of simavr.
 * 
 *   simavr is free software: you can redistribute it and/or modify it under the terms of the GNU
 *   General Public License as published by the Free Software Foundation, either version 3 of the
 *   License, or (at your option) any later version.
 * 
 *   simavr is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 *   the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
 *   Public License for more details.
 * 
 *   You should have received a copy of the GNU General Public License along with simavr.  If not, see
 *   <http://www.gnu.org/licenses/>.
 */

#ifndef __AVR_USB_H__
#define __AVR_USB_H__

#ifdef __cplusplus
extern "C"
{
#endif

#include "sim_avr.h"

  enum
    {
      USB_IRQ_ATTACH = 0,
      USB_IRQ_COUNT
    };

#define AVR_IOCTL_USB_WRITE AVR_IOCTL_DEF('u','s','b','w')
#define AVR_IOCTL_USB_READ AVR_IOCTL_DEF('u','s','b','r')
#define AVR_IOCTL_USB_SETUP AVR_IOCTL_DEF('u','s','b','s')
#define AVR_IOCTL_USB_RESET AVR_IOCTL_DEF('u','s','b','R')
#define AVR_IOCTL_USB_VBUS AVR_IOCTL_DEF('u','s','b','V')
#define AVR_IOCTL_USB_GETIRQ() AVR_IOCTL_DEF('u','s','b',' ')

  struct avr_io_usb
  {
    uint8_t pipe;   
    uint32_t sz;   
    uint8_t *buf;   
  };
#define AVR_IOCTL_USB_NAK -2
#define AVR_IOCTL_USB_STALL -3
#define AVR_IOCTL_USB_OK 0

  typedef struct avr_usb_t
  {
    avr_io_t io;
    char name;
    avr_regbit_t disabled;   
    avr_regbit_t usbrf;   
    avr_io_addr_t r_usbcon;   
    avr_io_addr_t r_pllcsr;

    uint8_t usb_com_vect;
    uint8_t usb_gen_vect;

    struct usb_internal_state *state;
  } avr_usb_t;

  void avr_usb_init (avr_t * avr, avr_usb_t * port);

#ifdef __cplusplus
};
#endif

#endif /*__AVR_USB_H__*/