CAN-8123/CAN-8223/CAN-8423 user’s manual (Revision 3.00, May/22/2009) ------
85
Download Segment Protocol
ccs
: client command specified
0: download segment request
scs
: server command specified
1: download segment response
seg-data
: It is at most 7 bytes of segment data to be downloaded. The
encoding depends on the type of the data referenced by index
and sub-index.
n
: It indicates the number of bytes in
segment data
that do not
contain segment data. Bytes [8-
n
, 7] do not contain segment
data.
n
= 0 if no segment size is indicated.
c
: It indicates whether there are still more segments to be
downloaded.
0 more segments to be downloaded
1: no more segments to be downloaded
t
: toggle bit
This bit must alternate for each subsequent segment that is
downloaded. The first segment will have the toggle-bit set to 0.
The toggle bit will be equal for the request and the response
message.
x
: not used, always 0
reserved
: reserved for further use , always 0