Xenics Bobcat 320 Gated, Руководство пользователя

Страница: 25 / 34

User Manual
Bobcat 320 Gated
Company confidential.
This document is the property of Xenics. It may not be reproduced – completely or partially – or passed to a third
party without written permission from Xenics.
Xenics nv T +32 16 38 99 00 Doc Ref: ENG-2012-UMN016
Ambachtenlaan 44 F +32 16 38 99 01 Issue: 002
BE-3001 Leuven  Belgium www.xenics.com Date: 09/11/2012
XF-104_02/20-01-2012
Page 25 of 34
crc = (( crc & 0x7f) * 2);
}
}
}
return crc ;
}
5.1.1.3. Payload Contents for Replies
Message
ID Meaning Payload
contents Size
Description
0x06 ACK None or Data 0 | Num x 4 No payload for Acknowledge to writes or
Data as reply to reads.
32 bit data (LSB first)
Payload size = Num x 4
0x15 NACK Error code 4 Negative acknowledge to container format error or
checksum error or unknown message type
Error code:
Bit 0: CRC error
Bit 1: Message Type error
Bit 2: ETB error
Bit 3: Address error
Bit 4: Timeout
Bit 5-31: RFU
Table 5-3 Payload contents for replies
5.1.2. Text Messages
The camera also supports text-based messages to facilitate debugging. This method is
less efficient in terms of data throughput but is will allow controlling the camera using a
simple terminal interface.
Position Contents Size Remarks
0 # 1 Start of message
1 Register address 2 - 10 32 bit address in decimal (0 – 9) or hexadecimal (0-9, a-f, A-F)
preceded with ‘h’ or ‘H’
2 Operation 1 ‘=’ assignment operation
‘?’ inquire operation
3 Value 1 - 10 32 bit value in decimal (0 – 9) or hexadecimal (0-9, a-f, A-F)
preceded with ‘h’ or ‘H’. Only when operation is ‘=’.
4 Carriage return
(0x0d) 1 Press the enter key
Table 5-4 Text-based message container using register address