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Serial upload protocol


Before I run off and reinvent the wheel, has anybody implemented any of the
protocols available to transfer data from a device running eCos back to a
host over a serial port?  I have seen questions/posts about running ppp on
an eCos target, but that's overkill for what I want.  Basically, I am
looking for the inverse of the "load" command in RedBoot, with x/ymodem
support.

Alternatively, I shall write a very simple host application and an eCos
package to handle simple data uploads.  The protocol will probably look a
lot like tftp, but without all of the IP stuff.

--wpd

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