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Re: FTP (or similar) over serial port of an embedded linux system

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pozz wrote:
> Maybe this question should be posted in a linux development group,
> however the use of a serial port is more typical in an embedded
> environment, so I try to post here.
>
> I have an embedded Linux box (based on a Raspberry)

... but with no Ethernet? How odd.

> with a serial
> port converted to a USB port through a UART-USB transceiver from
> Microchip. This USB port is seen as a COM port under Windows OS.
>
> I need to do simple operations on the filesystem through the serial
> port, mainly: - list files in a directory - download files - upload
> files - remove files
>
> The user on the Windows PC should launch a simple script (it will be
> written in Python) that make all the operations in sequence.
>
> Do you know of some technology/protocol that could be used in a
> simple way?
>
> I have two ideas, maybe there's another one that is better.
>
> The first is to configure a PPP over serial line and use classic FTP
> server for filesystem operations. However this solution implies that
> the user should configure the PPP link, but she will not have so
> much knowledge.
>

Is SLIP still a thing? I dimly recall it potentially being simpler
if no modem was involved.

I have to wonder how automatable a PPP connection is.

> The second is to run the classical console on the serial port, with
> login and prompt. The python script should type/send commands at the
> prompt (ls, rm, ...). The download could be done with hexdump
> command (the python script could convert to binary again). The upload
> should be done with echo command, writing a ASCII hex file and
> launching a simple script to convert from ASCII to binary on the
> embedded Linux.
>
> Do you have other better solutions?
>

-- 
Les Cargill

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Thread

FTP (or similar) over serial port of an embedded linux system pozz <pozzugno@gmail.com> - 2017-07-06 09:44 +0200
  Re: FTP (or similar) over serial port of an embedded linux system Reinhardt Behm <rbehm@hushmail.com> - 2017-07-06 16:08 +0800
    Re: FTP (or similar) over serial port of an embedded linux system Theo Markettos <theom+news@chiark.greenend.org.uk> - 2017-07-06 11:03 +0100
  Re: FTP (or similar) over serial port of an embedded linux system Rob Gaddi <rgaddi@highlandtechnology.invalid> - 2017-07-06 09:30 -0700
  Re: FTP (or similar) over serial port of an embedded linux system Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2017-07-06 22:41 +0300
  Re: FTP (or similar) over serial port of an embedded linux system Don Y <blockedofcourse@foo.invalid> - 2017-07-06 12:53 -0700
    Re: FTP (or similar) over serial port of an embedded linux system edward.ming.lee@gmail.com - 2017-07-06 13:24 -0700
    Re: FTP (or similar) over serial port of an embedded linux system pozz <pozzugno@gmail.com> - 2017-07-08 01:18 +0200
  Re: FTP (or similar) over serial port of an embedded linux system Les Cargill <lcargill99@comcast.com> - 2017-07-07 20:11 -0500

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