X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/0c71f276bdaf0c8d264257c845b674c6413054f5..0a060ead2d6293cc1e4227918d52258b71f9e716:/README diff --git a/README b/README index 277ffe6..dbb3b9d 100644 --- a/README +++ b/README @@ -9,12 +9,20 @@ should work on every kernel version which is supported by libusb and supports ppdev. It was written against impact from ISE Webpack 9.1SP1 and tested with the following software: + * ISE Webpack 9.1SP3 * ISE Webpack 9.1SP2 * ISE Webpack 9.1SP1 * ISE Webpack 8.2SP3 * ISE Webpack 8.1SP3 + * ChipScope 9.1.03i * ChipScope 9.1.02i + * ChipScope 8.2.04i * EDK 8.2.02i + * EDK 8.1.02i + +In addition to the XILINX USB and parallel cables, devices based on the FTDI +2232 serial converter chip are also experimentally supported. This includes +devices like the Amontec JTAGkey(-Tiny). Build the library by calling `make'. @@ -26,6 +34,12 @@ $ export LD_PRELOAD=/path/to/libusb-driver.so (for sh shells) $ setenv LD_PRELOAD /path/to/libusb-driver.so (for csh shells) $ impact +The source for this library can be found at: +http://cvs.zerfleddert.de/cgi-bin/viewcvs.cgi/usb-driver/ + +The main website is located at: +http://www.rmdir.de/~michael/xilinx/ + Notes for the USB cable ======================= @@ -68,6 +82,11 @@ ppdev To use the device as an ordinary user, put the user in the group 'lp' +If you have an almost compatible cable which works with other software but not +with Impact, try adding -DFORCE_PC3_IDENT to the CFLAGS line in the Makefile. +This enables a hack by Stefan Ziegenbalg to force detection of a parallel cable. + + Parallel Cable IV is currently only supported in 'compatibility mode', as no attempt to configure the ECP registers is done by this library. @@ -78,6 +97,32 @@ HIGHZ instead of BYPASS" enabled in Edit -> Preferences -> iMPACT Configuration Preferences. If you are using batch mode, add the following line to your cmd file: setPreference -pref UseHighz:TRUE -(This problem also occurs on windows and when using the real windrvr in linux and -is solved with the same workaround. Impact 8.2 is working fine with the same +(This problem also occurs on windows and when using the real windrvr in linux +and is solved with the same workaround. Impact 8.2 is working fine with the same boards and designs) + + +Notes for FTDI 2232 based cables +================================ + +To build the driver with FTDI 2232 support, you need to have libftdi and +the libftdi development package installed. On debian, you can install both +by installing 'libftdi-dev'. + +To set-up the device: +1. Find out the vendor and product id of your cable using lsusb: + Bus 003 Device 005: ID 0403:cff8 Future Technology Devices ... + ~~~~~~~~~ + +2. Copy the sample libusb-driverrc to ~/.libusb-driverrc, edit it and replace + the vendor and product-id in the example file with the values from provided + in the lsusb-output. You can also change the 'parallel port' which is mapped + to this cable. Impact sees the device at that port as a Parallel Cable III. + +3. To use the device as an ordinary user, put the following line in a new file + in /etc/udev/rules.d/ and restart udev: + ACTION=="add", BUS=="usb", SYSFS{idVendor}=="0403", SYSFS{idProduct}=="cff8", MODE="666" + (replace the vendor and product id with your values) + +The support for FTDI 2232 based devices is experimental and they are currently +significantly slower than the other supported cables.