3 one byte commands, 1 stop capturing, 2 start capturing use fbp format 1 – Compaq uSign Signature Capture Module uSign 100 User Manual
Page 13: 3 start capturing use fbp format 2, 4 turn red led on, 5 turn red led off, 6 clear cmp format mode data, 7 get data 0x00, 8 start capturing use cmp format, 9 reset points counter
uSign User Manual
7.0
uSign commands description
(Version: 0.02 Date: 2007-03-19) Note: digits are given in little-endian format.
7.1 Command
protocol:
Host to device: STX LenL LenH CommandData Lrc1 Lrc2 ETX
STX: 0x02. 1 byte.
LenL+LenH: sizeof(CommandData). 2 bytes.
CommandData: main command string. Several bytes needed.
Lrc1: Exclusive or of CommandData. 1 byte.
Lrc2: Sum of CommandData. 1 byte.
ETX: 0x03. 1 byte.
Device to Host: STX LenL LenH ResponseData Lrc1 Lrc2 ETX
STX: 0x02. 1 byte.
LenL+LenH: sizeof(ResponseData). 2 bytes.
ResponseData: main response string. Several bytes needed.
Lrc1: Exclusive or of ResponseData. 1 byte.
Lrc2: Sum of ResponseData. 1 byte.
ETX: 0x03. 1 byte
7.2 System
Commands
7.2.1 Get
firmware
version
Command string: 78 01
Response string: IDTECH-USIGN V0.02
7.2.2
Get serial number
Command string: 78 02
Response string: Serial number
7.2.3
Get clip area
Command string: 7A 04 01
Response string: Clip area data (8 bytes)
Clip area is a rectangle coded as: left (2 bytes) + top (2 bytes) + right (2 bytes) + bottom
(2 bytes)
7.2.4
Set clip area
Command string: 7A 04 02 Clip area data( 8 bytes)
Response string: 0xE0
7.2.5
Clear clip area
Command string: 7A 08
Response string: 0xE0
Copyright © 2006, International Technologies & Systems Corp. All rights reserved.
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