BYTE
DATA
DESCRIPTION
1
F8H
Sync character
2
Address in hex
Camera address (01H - DFH)
3
“v”
Lower case “v”
4
Z2 (MS nibble) 30H
- 3FH
Position data is 30H ored with data nibble
Z11, Z10, Z09, Z08 of zoom lens position data.
5
Z1
30H - 3FH
Position data is 30H ored with data nibble
Z07, Z06, Z05, Z04 of zoom lens position data.
6
Z0 (LS nibble)
30H - 3FH
Position data is 30H ored with data nibble
Z03, Z02, Z01, Z00 of zoom lens position data.
7
F2 (MS nibble)
30H - 3FH
Position data is 30H ored with data nibble
F11, F10, F09, F08 of lens focus position data.
8
F1
30H - 3FH
Position data is 30H ored with data nibble
F07, F06, F05, F04 of lens focus position data.
9
F0 (LS nibble)
30H - 3FH
Position data is 30H ored with data nibble
F03, F02, F01, F00 of lens focus position data.
10
Terminator and
Checksum
80H - 8FH Most significant nibble is always 8. Least significant (LS) nibble is the XOR of all
previous bytes (LS nibble only) except for leading autobaud character F8H.
3.8
Lens Position Feedback Commands
FUNCTION
Byte #3
Byte #4
DESCRIPTION
REQUEST POSITION
“V”
“?”
Get position. ASCII character “V” followed by the “?”
character.
The response to this command is shown in the table below:
BYTE
DATA
DESCRIPTION
1
F8H
Sync character
2
Address in hex
Camera address (01H - DFH)
3
“V”
Upper case “V”
4
Z2 (MS nibble) 30H
- 3FH
Position data is 30H ored with data nibble
Z11, Z10, Z09, Z08 of zoom lens position data.
5
Z1
30H - 3FH
Position data is 30H ored with data nibble
Z07, Z06, Z05, Z04 of zoom lens position data.
