SIIG AV-GM0993-S1, Manual

Page: 18 / 29

17
1b : Gra Level Black->White
1c : 100% Red
1d : 100% Green
1e : 100% Blue
1f : 100% White
20 : 70% Gray
21 : 40% Gray
22 : Black
23 : Noise
24 : Circle 1
25 : Circle 2
26 : Moire
27 : V Stripe R
28 : V Stripe G
29 : V Stripe B
2a : H Stripe R
2b : H Stripe G
2c : H Stripe B
2d : Chess 1
2e : Chess 2
2f : Sequence
7 Check Sum unsigned char chksum=0;
for (int i=0; i<bu+i){
= buf[i];
if (chksum>0xff)
chksum =
chksum–0xff–1;}
Acknowledgement character
0 ACK/NACK 0xaa/0x55 ACK: 0xaa
Command Value is right
NACK: 0x55
Command Value is error.
Receive
0 Command Length 0x03
1 Acknowledgement 0xaa/0x55
2 Check Sum 0xad/0x58
Example
Command:
0x08 0x50 0x47 0x33 0xff 0x21 0x01 0xf3