diff options
Diffstat (limited to 'src/jtag/drivers/usb_blaster/ublast_access.h')
| -rw-r--r-- | src/jtag/drivers/usb_blaster/ublast_access.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/jtag/drivers/usb_blaster/ublast_access.h b/src/jtag/drivers/usb_blaster/ublast_access.h new file mode 100644 index 00000000..e0eb059e --- /dev/null +++ b/src/jtag/drivers/usb_blaster/ublast_access.h @@ -0,0 +1,52 @@ +/* + * 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) 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. + * + */ + +struct ublast_lowlevel { + uint16_t ublast_vid; + uint16_t ublast_pid; + char *ublast_device_desc; + + 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; +}; + +/** + * ublast_register_ftdi - get a lowlevel USB Blaster driver + * ublast_register_ftd2xx - get a lowlevel USB Blaster driver + * + * Get a lowlevel USB-Blaster driver. In the current implementation, there are 2 + * possible lowlevel drivers : + * - one based on libftdi from ftdichip.com + * - one based on libftdxx, the free alternative + * + * Returns the lowlevel driver structure. + */ +extern struct ublast_lowlevel *ublast_register_ftdi(void); +extern struct ublast_lowlevel *ublast_register_ftd2xx(void); |