69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*
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* Driver for USB-JTAG, Altera USB-Blaster and compatibles
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*
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* Inspired from original code from Kolja Waschk's USB-JTAG project
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* (http://www.ixo.de/info/usb_jtag/), and from openocd project.
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*
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* Copyright (C) 2013 Franck Jullien franck.jullien@gmail.com
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* Copyright (C) 2012 Robert Jarzmik robert.jarzmik@free.fr
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* Copyright (C) 2011 Ali Lown ali@lown.me.uk
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* Copyright (C) 2009 Catalin Patulea cat@vv.carleton.ca
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* Copyright (C) 2006 Kolja Waschk usbjtag@ixo.de
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef OPENOCD_JTAG_DRIVERS_USB_BLASTER_UBLAST_ACCESS_H
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#define OPENOCD_JTAG_DRIVERS_USB_BLASTER_UBLAST_ACCESS_H
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/* Low level flags */
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#define COPY_TDO_BUFFER (1 << 0)
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struct ublast_lowlevel {
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uint16_t ublast_vid;
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uint16_t ublast_pid;
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uint16_t ublast_vid_uninit;
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uint16_t ublast_pid_uninit;
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struct libusb_device_handle *libusb_dev;
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char *firmware_path;
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int (*write)(struct ublast_lowlevel *low, uint8_t *buf, int size,
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uint32_t *bytes_written);
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int (*read)(struct ublast_lowlevel *low, uint8_t *buf, unsigned size,
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uint32_t *bytes_read);
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int (*open)(struct ublast_lowlevel *low);
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int (*close)(struct ublast_lowlevel *low);
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int (*speed)(struct ublast_lowlevel *low, int speed);
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void *priv;
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int flags;
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};
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/**
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* ublast_register_ftdi - get a lowlevel USB Blaster driver
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* ublast2_register_libusb - get a lowlevel USB Blaster II driver
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*
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* Get a lowlevel USB-Blaster driver. In the current implementation, there are 2
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* possible lowlevel drivers :
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* - one based on libftdi,
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* - one based on libusb, specific to the USB-Blaster II
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*
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* Returns the lowlevel driver structure.
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*/
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extern struct ublast_lowlevel *ublast_register_ftdi(void);
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extern struct ublast_lowlevel *ublast2_register_libusb(void);
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#endif /* OPENOCD_JTAG_DRIVERS_USB_BLASTER_UBLAST_ACCESS_H */
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