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ccs
: client command specified
5: block upload
scs
: server command specified
6: block upload.
cs
: client subcommand
0: initiate upload request
3: start upload
ss
: server subcommand
0: initiate upload response
m
: multiplexor
It represents the index/sub-index of the data to be transfer by the
SDO.
cc
: client CRC support
cc=0: Client does not support generating CRC on data.
cc=1: Client supports generating CRC on data.
sc
: server CRC support
sc=0: Server does not support generating CRC on data.
sc=1: Server supports generating CRC on data.
pst
: Protocol Switch Threshold in bytes to change the SDO transfer
protocol
pst=0: change of transfer protocol not allowed
pst>0: If the size of the data in bytes that has to be uploaded is
less or equal pst, the server can optionally switch to the 'SDO
Upload Protocol' by transmitting the server response of the 'SDO
Upload Protocol'.
s
: size indicator
0: Data set size is not indicated.
1: Data set size is indicated.
size
: upload size in byes
s=0: size is reserved for further use, always 0.
s=1: size contains the number of bytes to be uploaded. Byte 4
contains the LSB and byte 7 is the MSB.
blksize
: number of segments per block with 0 < blksize < 128
x
: not used, always 0
reserved : reserved for further use , always 0
CAN-8x23 user's manual (Revision 3.20, Mar/08/2012) ------
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