Messages in this thread | | | From | Thomas Stewart <> | Subject | Re: belkin usb serial converter (mct_u232), break not working | Date | Thu, 21 Oct 2004 00:04:13 +0100 |
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On Wednesday 20 October 2004 23:21, you wrote: > What kernel version are you running?
2.6.8.1
Well, a stock debian one out of sarge, kernel-image-2.6.8-1-686-smp, configs at http://www.stewarts.org.uk/stuff/config-2.6.8-1-686. There is not much difference between a stock 2.6.8.1 and the debian 2.6.8:- http://www.stewarts.org.uk/stuff/debian.2.6.8.patch
On Wednesday 20 October 2004 23:27, you wrote: > Can you record and display the return code from the ioctl()?
porttest.c: #include <sys/fcntl.h> #include <sys/ioctl.h> main(int argc, char ** argv) { int r, fd = open(argv[1], O_RDWR|O_NOCTTY); r=ioctl(fd, TCSBRKP, 20); printf("%d\n", r); close(fd); }
$ ./porttest /dev/ttyS0 0 $ ./porttest /dev/ttyUSB0 0
Regards -- Tom
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