[GitHub] [mynewt-newtmgr] mkiiskila commented on issue #180: Reduce serial TX delay or make configurable

[GitBox <gi...@apache.org>]

mkiiskila commented on issue #180:
URL: https://github.com/apache/mynewt-newtmgr/issues/180#issuecomment-764436563


   If speed is an issue, this might be better:
   https://github.com/mkiiskila/mynewt_serial_uploader
   
   > On 20. Jan 2021, at 11.46, Stephan Walter <no...@github.com> wrote:
   > 
   > 
   > I'm using mcumgr-cli to flash Zephyr application images. The communication is quite slow.
   > 
   > There seems to be a delay of ~20ms between each fragment. I believe that many targets can process the data faster.
   > 
   >  <https://user-images.githubusercontent.com/4478/105156649-68bec500-5b0c-11eb-8b05-fef3bc9c1372.png>
   > (RX/TX as seen from the target)
   > 
   > With no Go experience, looking into the code, I suspect this is the culprit?
   > 
   > https://github.com/apache/mynewt-newtmgr/blob/87d51a23a7575b070335ececd0e240092860c24f/nmxact/nmserial/serial_xport.go#L279 <https://github.com/apache/mynewt-newtmgr/blob/87d51a23a7575b070335ececd0e240092860c24f/nmxact/nmserial/serial_xport.go#L279>
   > Could you reduce this or make it configurable?
   > 
   > Maybe set it to a low value in the beginning and increase it if there are timeouts due to the target not responding.
   > 
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