Subject:
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Re: Reading Serial Port
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Thu, 29 Jul 1999 21:00:01 GMT
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Original-From:
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Christopher Biggs <chris@stallion.oz.NOSPAMau>
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Viewed:
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1094 times
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David Boosalis <dboosalis@mail.arc.nasa.gov> moved upon the face of the 'Net and spake thusly:
> This is not really a HB question, but I am hoping someone here has
> experience in it anyway. My question is in how do you read the Serial
> port under Linux. The Linux HOWTO's give an example, which I show
"Use The Source, Luke". Check the source code of the downloader in
the Unix port of Interactive C.
> #included by <termios.h> */
> #define BAUDRATE B921600
I think you want 9600, not 921kbaud (unless you're running your 6811 E
clock at 500 MHz).
> newtio.c_cflag = BAUDRATE | CRTSCTS | CS8 | CLOCAL | CREAD;
No point turning on RTS/CTS flow control--those pins are not driven by
the handyboard. Depending on your cabling, this may be causing your
problem (lack of CTS-high at the PC end).
See also the Linux "Serial-Programming-HOWTO".
cjb.
--
------------------ Linux hackers do it in protected mode -------------------
| Christopher Biggs - Software Engineer, Stallion Technologies, Australia |
| chris@stallion.oz.au - CEO, J.Random Deadguy Institute for Weird Studies |
------- Mathematics and alcohol don't mix --- Never drink and derive -------
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Message is in Reply To:
 | | Reading Serial Port
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| This is not really a HB question, but I am hoping someone here has experience in it anyway. My question is in how do you read the Serial port under Linux. The Linux HOWTO's give an example, which I show below. What happens is that it hangs on the (...) (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
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