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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 system). |
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> The commands are one line each and terminated with CRL/LF (aka "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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