From c4ca98ff9376cad2a5f56972222707d784199ad9 Mon Sep 17 00:00:00 2001 From: bnewbold Date: Sat, 2 Jan 2016 12:25:18 +0100 Subject: fpga toolchain: reword troubleshooting section --- electronics/fpga-toolchain.page | 33 ++++++++++++++++----------------- 1 file changed, 16 insertions(+), 17 deletions(-) (limited to 'electronics') diff --git a/electronics/fpga-toolchain.page b/electronics/fpga-toolchain.page index 2663576..f60062e 100644 --- a/electronics/fpga-toolchain.page +++ b/electronics/fpga-toolchain.page @@ -157,30 +157,29 @@ uploaded, and can be created with the programmer GUI): sudo /usr/local/diamond/3.1_x64/bin/lin64/pgrcmd -infile program_breakout_example.xcf -cabletype USB2 -Troubleshooting: +Troubleshooting Notes +~~~~~~~~~~~~~~~~~~~~~~~~ -- only the programmer can be open; otherwise the IDE latches on? -- better way is DIY with a script or using udev rules -- udevadm test /dev/bus/usb/###/### -- programming might not work ever? -- bundled ftdi errors ("[122032.033366] pgrcmain[10879]: segfault at 50 ip 00007f4cf1508b5e sp 00007fffb86dc210 error 4 in libftd2xx.so[7f4cf14fe000+2c000]") -- "Another instance of this program is running": +When programming, only the programmer GUI can be open; if the IDE is run at the +same time it will connect to and block the device. Aka, "Another instance of +this program is running". +Perhaps a better way to handle permissions is with udev rules or a DIY script. +To test udev rules, try: ------ -Please could someone add description to Troubleshooting section? ------ + sudo udevadm test /dev/bus/usb/###/### -ie udevadm test /dev/bus/usb/###/### +A permissions problem that comes us is, eg: -unable to open device '/sys/dev/bus/usb/003/004' + unable to open device '/sys/dev/bus/usb/003/004' -in this case..... +An error that comes up with the bundled FTDI driver is: + [122032.033366] pgrcmain[10879]: segfault at 50 ip 00007f4cf1508b5e sp 00007fffb86dc210 error 4 in libftd2xx.so[7f4cf14fe000+2c000] -or: +Other problems needing solutions: -Board with FTDI USB Host Chip detected. + Board with FTDI USB Host Chip detected. -Programming XCF Contents... Connected to Lattice Cable Server. -Failed. + Programming XCF Contents... Connected to Lattice Cable Server. + Failed. -- cgit v1.2.3