Casio E-Con EA-200 Referensi Teknis - Halaman 18
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Halaman Cetak
Receive38K
Calculator / PC
EA-200
0×15
→
....................................................................
←
Code A
....................................................................
Request Header
→
....................................................................
←
Header
....................................................................
Code B
→
....................................................................
←
Packet1
....................................................................
Code B
→
....................................................................
←
Packet2
....................................................................
:
....................................................................
Code B
→
....................................................................
←
PacketN
....................................................................
Code B
→
Send38K
Header 15 byte
Send38k: Type=A
: N
Type Form Line
Type (Char, 1byte)
A
ASCII
Form (Char, 1byte)
V
Variable
L
List
Line (Hex, 2byte
Big endian)
0×0001~
*Variable:0×0001
Offset (Hex, 4byte
Big endian)
0×0001
Check
Offset
Packet size 0×FF Area
Receive38K
Request Header 15 byte
Packet
sum
– 18 –
Packet size (Hex, 2byte)
max : 1024 byte
*Without ':' and Checksum
Area (Char, 1byte)
A
All
S
Start
M
Middle
E
End
: R
Type Form
All FFh (10byte)
Type
A
ASCII
Form (Char, 1byte)
V
Variable
L
List
Type: A (Ascii)
: ASCII Number 1 , ASCII Number 2 , ... ASCII Number N
Check
sum
Check
sum