Difference between revisions of "Async kb"
From Felixl.com
Jump to navigationJump to search (→Session Granted) |
|||
| Line 1: | Line 1: | ||
| − | |||
Terms: | Terms: | ||
| Line 42: | Line 41: | ||
.data[4] .data[5] = bytes per frame (maximum allowed bytes per frame, 16bit, bigendian) | .data[4] .data[5] = bytes per frame (maximum allowed bytes per frame, 16bit, bigendian) | ||
| + | |||
| + | == Starting Transfer == | ||
Revision as of 10:32, 6 March 2007
Terms:
connection: data transfer session, highest in hierarchy
block: data transfer unit, consists of several frames
frame: lowest data transfer unit. basically -- one network message
Message type ==
- 0x80 = data
- 0x90 = command
commands:
Request Session
.data[0] = 0xca -- request session
parameters:
.data[1] = priority (always 1)
.data[2] , .data[3] -- message packet max size (16 bit, big endian)
.data[4] == 0x01 (revision)
Session Granted
.data[0] = 0xf2 -- session granted
parameters:
.data[1] = number of frames per block
.data[2] = revision (always 0x01)
.data[3] = priority acknowledge (should reply with the same priority requested)
.data[4] .data[5] = bytes per frame (maximum allowed bytes per frame, 16bit, bigendian)
