Hi Wolfgang, On Monday, October 24, 2011, Wolfgang Denk <w...@denx.de> wrote: > Dear Graeme Russ, > > In message <CALButCK0oVLTbYxbTF=y-vXL+3+= 09vejpzunx1+-0syjqe...@mail.gmail.com> you wrote: >> >> > > So how does kermit/ymodem send the XON after the user has entered the >> > > receive command and we have sent the XOFF after the newline? >> > >> > Upon the first getc() that follows? >> >> And as there will be no corresponding newline, when do we send XOFF? > > Never? Note that kermit / ymodem / S-record download etc. all don't > have any issues with sendign characters back-to-back at line speed. > > Problems happen only with multi-line input, so it is perfectly fine > to handle just that - at the root cause, i. e. when input turns into > multi-line input.
Can the U-Boot command line handle multiple commands per line (delimited by ; for example) If so, could it not be possible that a Kermit/ymodem command followed by a time consuming command on the same line cause lost input? Regards, Graeme
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