Subject:
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Re: (Failed) Getting LegOS 0.2.2 working on Windows
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Wed, 22 Dec 1999 01:24:16 GMT
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Viewed:
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1509 times
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Jeff Chrisope wrote:
>
> In lugnet.robotics.rcx.legos, Peter Van der Beken writes:
> >
> > > chili : /legOS util/dll demo/helloworld.lx
> > > sending keepalive: Invalid argument
> > Haven't seen this. could you try with the original loader.c, lx.c and
> > rcxtty.c and tell us what error it gives then. (They should be backed up as
> > loader.c.orig, etc. Rename the patched files as loader.c.new to keep them
> > around). Also, use the -v flag (dll -v demo/helloworld.lx).
> >
> > Peter
>
> Hey --
>
> More info about this odd bug. Installed 0.2.3, and the bug is still there.
>
> So the rcxInit() stuff appears to be the problem. Any further ideas on what
> the heck could be wrong?
i dont´t know if you have already fixed this, anyways, there is a bug in
sigio_handler. The struct timeval last is used uninitialized and should
be static. Today i sent the following little patch to Markus.
------- schnips schnips --------
--- loader.c.orig Tue Dec 21 22:55:41 1999
+++ loader.c Tue Dec 21 22:56:51 1999
@@ -155,10 +155,12 @@
return -1;
}
+static struct timeval last;
+
void sigio_handler(int signo) {
if(signo==SIGIO) {
- struct timeval last,now;
+ struct timeval now;
unsigned long diff;
unsigned char buffer[256];
@@ -213,6 +215,7 @@
} while(diff < 100000);
read(rcxFD(),buffer,256);
+ gettimeofday(&last,0);
// install IO handler
//
signal(SIGIO,sigio_handler);
------- schnips schnips --------
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