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/*
* Driver for USB-JTAG, Altera USB-Blaster and compatibles
*
* Inspired from original code from Kolja Waschk's USB-JTAG project
* (http://www.ixo.de/info/usb_jtag/), and from openocd project.
*
* Copyright (C) 2013 Franck Jullien franck.jullien@gmail.com
* Copyright (C) 2012 Robert Jarzmik robert.jarzmik@free.fr
* Copyright (C) 2011 Ali Lown ali@lown.me.uk
* Copyright (C) 2009 Catalin Patulea cat@vv.carleton.ca
* Copyright (C) 2006 Kolja Waschk usbjtag@ixo.de
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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.
*
*/
#ifndef JTAG_UBLAST_ACCESS_H
#define JTAG_UBLAST_ACCESS_H
#include <libusb_common.h>
/* Low level flags */
#define COPY_TDO_BUFFER (1 << 0)
struct ublast_lowlevel {
uint16_t ublast_vid;
uint16_t ublast_pid;
uint16_t ublast_vid_uninit;
uint16_t ublast_pid_uninit;
char *ublast_device_desc;
struct jtag_libusb_device_handle *libusb_dev;
char *firmware_path;
int (*write)(struct ublast_lowlevel *low, uint8_t *buf, int size,
uint32_t *bytes_written);
int (*read)(struct ublast_lowlevel *low, uint8_t *buf, unsigned size,
uint32_t *bytes_read);
int (*open)(struct ublast_lowlevel *low);
int (*close)(struct ublast_lowlevel *low);
int (*speed)(struct ublast_lowlevel *low, int speed);
void *priv;
int flags;
};
/**
* ublast_register_ftdi - get a lowlevel USB Blaster driver
* ublast_register_ftd2xx - get a lowlevel USB Blaster driver
* ublast2_register_libusb - get a lowlevel USB Blaster II driver
*
* Get a lowlevel USB-Blaster driver. In the current implementation, there are 3
* possible lowlevel drivers :
* - one based on libftdi from ftdichip.com
* - one based on libftdxx, the free alternative
* - one based on libusb, specific to the USB-Blaster II
*
* Returns the lowlevel driver structure.
*/
extern struct ublast_lowlevel *ublast_register_ftdi(void);
extern struct ublast_lowlevel *ublast_register_ftd2xx(void);
extern struct ublast_lowlevel *ublast2_register_libusb(void);
#endif /* JTAG_UBLAST_ACCESS_H */
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