/usr/include/simavr/avr_usb.h is in libsimavr-dev 1.5+dfsg1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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
};
// add port number to get the real IRQ
#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; //[in]
uint32_t sz; //[in/out]
uint8_t * buf; //[in/out]
};
#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; // bit in the PRR
avr_regbit_t usbrf; // bit in the MCUSR
avr_io_addr_t r_usbcon; // every usb reg is an offset of this.
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__*/
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