I try to develop some hardware which I want to connect to Xcos in Linux (simply DAQ). Right now i write macro making a block in Xcos. I can put parameters to my C library and get date from (loopback). Right now i try to connect to usb/rs device using this library: http://www.teuniz.net/RS-232/ And get this error:
!Oups. A fatal error has been detected by Scilab. ! ! ! !Your instance will probably crash soon. ! ! ! !Please report a bug on http://bugzilla.scilab.org/ ! ! ! !with: ! ! ! !* a sample code which reproduces the issue ! ! ! !* the result of [a, b] = getdebuginfo() ! ! ! !* the following information: ! ! ! ![debian:10408] Signal: Segmentation fault (11) ! ! ! ![debian:10408] Signal code: Invalid permissions (2) ! ! ! ![debian:10408] Failing at address: 0x7f36042c1d10 ! ! ! ! ! ! ! !Stos wywołań: ! ! ! ! 1: 0x7107eb < > (/opt/scilab-5.4.1/t! ! hirdparty/java//lib/amd64/server/libjvm.so) ! ! ! ! 2: 0x714350 <JVM_handle_linux_signal> (/opt/scilab-5.4.1/t! ! hirdparty/java//lib/amd64/server/libjvm.so) ! ! ! ! 3: 0x7106fe < > (/opt/scilab-5.4.1/t! ! hirdparty/java//lib/amd64/server/libjvm.so) ! ! ! ! 4: 0xf030 < > (/lib/x86_64-linux-g! ! nu/libpthread.so.0) ! ! ! ! 5: 0x190b <OpenComport> (/home/sasza/scilab/! ! LewitronInC3/src/c/liblewitron.so) ! ! ! ! 6: 0x139a <StartTransmision> (/home/sasza/scilab/! ! LewitronInC3/src/c/liblewitron.so) ! ! ! ! 7: 0x1235 <lewitron> (/home/sasza/scilab/! ! LewitronInC3/src/c/liblewitron.so) ! ! ! ! 8: 0x2852c <callf> (/opt/scilab-5.4.1/l! ! ib/scilab/libsciscicos.so) ! ! ! ! 9: 0x31919 <scicos_> (/opt/scilab-5.4.1/l! ! ib/scilab/libsciscicos.so) ! Becose i devide program into parts i can use the same source in standalone application - it's work perfectly. The problem is probably permission to /dev/ttyUSB. I don't know exactly the structure of scilab, but i think that the java virtual machine not allowed to open comport. So the question is: how to workaround it? (for dirty solution i try to exectue evrything as root, but it has not effect :/ ) Any ideas? Thanks for any replays Piotr
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