Vaddio Canon VC-C50i Programmers - Manual (Page 147)

146
Answer Format
In case of 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
⇓
The operation status (8 bit) indicating the camera internal status is expressed as a
two-digit hexadecimal number with the ASCII code returned as the status value.
Example:
s0 s1
b15 b14 b13 b12 b11 b10 b9 b8
1 1 1 1 0 0 1 0
"F" "2"
⇓ ⇓
46h 32h
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
Condition of Error flag to be set
Parameter Error •The designated parameter is an invalid value.
Mode Error
•Not in status of Camera ON.
•Not in status of Host Control Mode.