Vaddio Canon VC-C50i Programmers - Manual (Page 133)

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14.6 External Sensor Input Detection Setting Information Request System Control Command Type 1
Function Returns the external sensor input detection setting status.
Command 0075h
Parameter length 1 byte Parameter
Parameter value 0h
Length 2 byte Status
Value 00h: External sensor input detection disabled.
01h: External sensor input detection enabled with
notification of changes from Closed to Open.
10h: External sensor input detection enabled with
notification of changes from Open to Closed.
11h: External sensor input detection enabled with
notification of changes from Closed to Open and
notification of changes from Open to Closed.
Reference
Format of Control Code
d0 d1 d2 d3 d4 d5 d6
Header Device Num Command Parameter End mark
FFh 30h 3Xh 00h 75h 30h EFh
Answer Format
No Error
d0 d1 d2 d3 d4 d5 d6 d7
Header Device Num Error Code Status End mark
FEh 30h 3Xh 30h 30h s0 s1 EFh
⇓
Setting value indicates in hexadecimal 2 figures and its ASCII code is Status value.
External sensor input detection s0 s1
None:
00h ⇒ 30h 30h
Included (Receiving of changes from Closed to Open): 01h ⇒ 30h 31h
Included (Receiving of changes from Open to Closed): 10h ⇒ 31h 30h
Included (Receiving of all changes): 11h ⇒ 31h 31h
Generated Error
d0 d1 d2 d3 d4 d5
Header Device Num Error Code End mark
FEh 30h 3Xh e0 e1 EFh
⇓
Error Flag indicates in 2 figures hexadecimal and returns ASCII code value.
Example: e0 e1
Parameter Error :
01010000B ⇒ 50h ⇒ 35h 30h
Mode Error : 10010000B ⇒ 90h ⇒ 39h 30h
Conditions for setting of error flag
Parameter Error •In case of assigned parameter illegal.
Mode Error
•Not in status of Camera ON
•Not in status of Host Control Mode