ublast_access.h

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-or-later */
 
/*
 *   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
 *
 */
 
#ifndef OPENOCD_JTAG_DRIVERS_USB_BLASTER_UBLAST_ACCESS_H
#define OPENOCD_JTAG_DRIVERS_USB_BLASTER_UBLAST_ACCESS_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;
    struct 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;
};
 
extern struct ublast_lowlevel *ublast_register_ftdi(void);
extern struct ublast_lowlevel *ublast2_register_libusb(void);
 
#endif /* OPENOCD_JTAG_DRIVERS_USB_BLASTER_UBLAST_ACCESS_H */