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54357994 1This library emulates Jungo Windrvr USB and parallel port functions in
2userspace which are required by XILINX impact to access the Platform cable USB
3and Parallel Cable III.
4With this library it is possible to access the cables without loading a
5proprietary kernel module which breaks with every new kernel release. It uses
6f766a61 6the functionality provided by the libusb userspace library for USB access and
54357994 7the kernel interface at /dev/parport0 for parallel port access instead and
8should work on every kernel version which is supported by libusb and supports
9ppdev. It was written against impact from ISE Webpack 9.1SP1 and tested with
10the following software:
0b50c513 11
718362b4 12 * ISE Webpack 10.1
04d489ad 13 * ISE Webpack 9.2SP1, SP2, SP3, SP4
812923ba 14 * ISE Webpack 9.1SP1, SP2, SP3
54fc4508 15 * ISE Webpack 8.2SP3
0b50c513 16 * ISE Webpack 8.1SP3
718362b4 17 * ChipScope 10.1
04d489ad 18 * ChipScope 9.2.01i, 9.2.02i, 9.2.03i, 9.2.04i
812923ba 19 * ChipScope 9.1.02i, 9.1.03i
3b1b5fa8 20 * ChipScope 8.2.04i
718362b4 21 * EDK 10.1
04d489ad 22 * EDK 9.2.01i, 9.2.02i
812923ba 23 * EDK 9.1.01i, 9.1.02i
54fc4508 24 * EDK 8.2.02i
5649925c 25 * EDK 8.1.02i
337944d1 26 * Synplicity Identify
113af964 27
7606d470 28In addition to the XILINX USB and parallel cables, devices based on the FTDI
292232 serial converter chip are also experimentally supported. This includes
30devices like the Amontec JTAGkey(-Tiny).
31
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32Build the library by calling `make'. If you are on a 64 bit system but want
33to build a 32 bit library, run `make lib32' instead.
113af964 34
35To use this library you have to preload the library before starting impact:
36
37$ LD_PRELOAD=/path/to/libusb-driver.so impact
38or
39$ export LD_PRELOAD=/path/to/libusb-driver.so (for sh shells)
40$ setenv LD_PRELOAD /path/to/libusb-driver.so (for csh shells)
41$ impact
fdd05738 42
45b9b80b 43The source for this library can be found at:
badd6a82 44http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver
45b9b80b 45
32e2af23 46The main website is located at:
47http://www.rmdir.de/~michael/xilinx/
48
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49The Git repository can be cloned with:
50git clone git://git.zerfleddert.de/usb-driver
51
54357994 52
53Notes for the USB cable
54=======================
55
56To use the device as an ordinary user, put the following line in a new
e8f8e2d0 57file "libusb-driver.rules" in /etc/udev/rules.d/ and restart udev:
fdd05738 58ACTION=="add", BUS=="usb", SYSFS{idVendor}=="03fd", MODE="666"
979132fe 59
60
61If your cable does not have the ID 03fd:0008 in the output of lsusb,
62the initial firmware has not been loaded (loading it changes the
63product-ID from another value to 8). To load the firmware follow
64these steps:
65
c2e95a30 661. If you have no /etc/udev/rules.d/xusbdfwu.rules file, copy it from
67 /path/to/ISE/bin/lin/xusbdfwu.rules to /etc/udev/rules.d/xusbdfwu.rules
979132fe 68
692. Install the package containing /sbin/fxload from your linux distribution.
70 It is usually called "fxload"
71
6af90678 723. copy the files /path/to/ISE/bin/lin/xusb*.hex to /usr/share/
979132fe 73
744. restart udev and re-plug the cable
54357994 75
76
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77If you have multiple cables connected, you can specify the cable to use
78in the XILINX_USB_DEV environment-variable as "bus:device".
79These identifiers are available in the output of lsusb:
80Bus 001 Device 004: ID 03fd:0008 Xilinx, Inc.
81 ^^^ ^^^
82To use this cable, set the XILINX_USB_DEV variable to "001:004".
83
84
54357994 85Notes for the parallel cable
86============================
87
88To access the parallel port from userspace, the kernel needs to be built with
89the features "Parallel port support" (CONFIG_PARPORT), "PC-style hardware"
90(CONFIG_PARPORT_PC) and "Support for user-space parallel port device drivers"
91(CONFIG_PPDEV) builtin or as modules. If these features are built as modules,
92they need to be loaded before using this library.
93These modules are called:
94parport
95parport_pc
96ppdev
97
98
99To use the device as an ordinary user, put the user in the group 'lp'
6f766a61 100
101
cdc9c5bf 102If you have an almost compatible cable which works with other software but not
05e1bfcd 103with Impact, try adding -DFORCE_PC3_IDENT to the CFLAGS line in the Makefile.
104This enables a hack by Stefan Ziegenbalg to force detection of a parallel cable.
cdc9c5bf 105
106
6f766a61 107Parallel Cable IV is currently only supported in 'compatibility mode', as no
108attempt to configure the ECP registers is done by this library.
0c71f276 109
110
111If you get "Programming failed" or "DONE did not go high" when programming
112through the parallel cable with Impact 9.1, make sure to have the option "Use
113HIGHZ instead of BYPASS" enabled in Edit -> Preferences -> iMPACT Configuration
114Preferences.
115If you are using batch mode, add the following line to your cmd file:
116setPreference -pref UseHighz:TRUE
7606d470 117(This problem also occurs on windows and when using the real windrvr in linux
118and is solved with the same workaround. Impact 8.2 is working fine with the same
0c71f276 119boards and designs)
7606d470 120
121
122Notes for FTDI 2232 based cables
123================================
124
125To build the driver with FTDI 2232 support, you need to have libftdi and
126the libftdi development package installed. On debian, you can install both
127by installing 'libftdi-dev'.
128
129To set-up the device:
1301. Find out the vendor and product id of your cable using lsusb:
131 Bus 003 Device 005: ID 0403:cff8 Future Technology Devices ...
132 ~~~~~~~~~
133
1342. Copy the sample libusb-driverrc to ~/.libusb-driverrc, edit it and replace
19020bc5 135 the vendor and product-id in the example file with the values provided in
136 the lsusb-output. You can also change the 'parallel port' which is mapped to
137 this cable. Impact sees the device at that port as a Parallel Cable III.
7606d470 138
1393. To use the device as an ordinary user, put the following line in a new file
140 in /etc/udev/rules.d/ and restart udev:
141 ACTION=="add", BUS=="usb", SYSFS{idVendor}=="0403", SYSFS{idProduct}=="cff8", MODE="666"
142 (replace the vendor and product id with your values)
143
dc587d11 144The support for FTDI 2232 based devices is experimental and they are currently
1830118e 145significantly slower than the other supported cables.
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146
147
148Locked cables
149=============
150
151If you get the message 'The cable is being used by another application.' from
152impact, try running the following command:
153
154echo -e 'cleancablelock\nexit' | impact -batch
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