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| author | bnewbold <bnewbold@robocracy.org> | 2016-01-02 12:25:18 +0100 |
|---|---|---|
| committer | bnewbold <bnewbold@robocracy.org> | 2016-01-02 12:25:18 +0100 |
| commit | c4ca98ff9376cad2a5f56972222707d784199ad9 (patch) | |
| tree | 791e855f753e667066a8fec405c993e2a1932363 /electronics | |
| parent | f8964079ed9354ed1879c96def3603e4dbef957d (diff) | |
| download | knowledge-c4ca98ff9376cad2a5f56972222707d784199ad9.tar.gz knowledge-c4ca98ff9376cad2a5f56972222707d784199ad9.zip | |
fpga toolchain: reword troubleshooting section
Diffstat (limited to 'electronics')
| -rw-r--r-- | electronics/fpga-toolchain.page | 33 |
1 files changed, 16 insertions, 17 deletions
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. |