Vaddio Canon VC-C50i Programmers - Manual (Page 172)

171
14.37 Display Time Request
System Control Command Type 1
Function To request time data (hour, minute, second) indicated display.
Command 0091h
Length 1 byte Parameter
Value 36h
Length 6
byte Status
Value hour (2 byte) + minute (2 byte) + second (2byte)
Reference •The Time data to be set as followings.
s0~ s1 Hour Data ⇒ 00h~23h
s2~ s3 Minute Data ⇒ 00h~59h
s4~ s5 Second Data ⇒ 00h~59h
•At the moment of power ON, to be set 00 hour 00 minute 00 second by
default.
•Setting data is set BCD type hexadecimal. (20 in decimal equal to 20h)
•Time setting data is to be directly read out from inside Clock IC.
Format of Control Code
d0 d1 d2 d3 d4 d5 d6
Header Device Num Command Parameter End mark
FFh 30h 3Xh 00h 91h 36h EFh
Answer Format
In case of No Error
d0 d1 d2 d3 d4
Header Device Num Error Code
FEh 30h 3Xh 30h 30h
d5 d6 d7 d8 d9 d10 d11
Hour Data Minute Data Second Data End mark
s0 s1 s2 s3 s4 s5 EFh
⇓
Time data indicates in BCD type hexadecimal 6 figures and status value is its
ASCII code.
Example:
s0 s1 s2 s3 s4 s5
hour17 minute30 second25 ⇒ 31h 37h 33h 30h 32h 35h
In case of 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
In case of Parameter Error :
01010000B ⇒ 50h ⇒ 35h 30h
In case of Mode Error : 10010000B ⇒ 90h ⇒ 39h 30h
Condition of Error flag to be set
Parameter Error •In case of assigned parameter illegal.
Mode Error
•Not in status of Camera ON.
•Not in status of Host Control Mode.