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On Sun, 12 Oct 2014 16:42:22 Kerin Millar wrote: |
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> On 12/10/2014 13:08, meino.cramer@×××.de wrote: |
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> > Hi, |
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> > |
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> > I want to send commands to ttyO1 (serial port on an embedded |
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system). |
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> > The commands are one line each and terminated with CRL/LF (aka |
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"DOS"). |
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> > |
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> > Since this will be done from a batch script, it should be possible |
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> > via commandline tools and non-interactively. The serial port is |
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> > already setup up the right way. |
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> > |
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> > I tried |
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> > |
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> > echo -n"blablabal\x0a\x0d" |
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> |
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> Firstly, this command is missing the -e switch. Secondly, the order of |
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> the control characters is wrong. I would suggest the use of printf as it |
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> has fewer pitfalls. |
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> |
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> # printf '%s\r\n' "command" |
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> |
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> --Kerin |
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Also, are you sure that the standard output of the script is connected to |
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the serial port? Try adding "> /dev/tty01" to the end of the echo/printf |
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command lines and see if that helps. |
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-- |
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Reverend Paul Colquhoun, ULC. http://andor.dropbear.id.au/ |
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Asking for technical help in newsgroups? Read this first: |
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http://catb.org/~esr/faqs/smart-questions.html#intro |
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