Command:34

GET file part from server

1  cmd type
2  cmd id // set by server
1  parts count // always 1
wl  filename length
c*  filename
wl  part start
wl  part length

response to GET file part from server

1  cmd type
2  cmd id // set by server
1  parts count // always 1
wl  filename length
c*  filename
wl  part start
wl  part length
b*  bytes

PUT file to device

1  cmd type
2  cmd id // set by server
1  files count // max 256

file infos[*]

wl  filename length
c*  filename
wl  file size
   if file_size=0 it means that device should delete the file

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on error device should send cmd:38 (server - cmd:39) with corresponding code

if ok ping-pong by cmd:34<==>cmd:35 commands starts

when uploading finished device should send cmd:38 with code 600