4-6
MicroHAWK Engine Integration Guide
Host Port Protocol
Host Port Protocol
Note:
In all protocol modes, the preamble
<K141>
and postamble
<K142>
character
strings can be used to frame the decode data, and both are included in calculating the
LRC
(Longitudinal Redundancy Check).
Point-to-Point (Standard)
ACK/NAK
Polling Mode
Poll Address
Usage:
In general, the point-to-point protocols will work well in most applications.
They require no address and must use RS-232 communications standards.
Definition:
Protocols define the sequence and format in which information is transferred
between the reader and the host.
Serial Cmd:
<
K140,
protocol
,address
>
Default:
Point-to-Point
Options:
0 = Point-to-Point
4 = ACK/NAK
5 = Polling Mode
Usage:
Used only with RS-232.
Definition:
Standard
Point-to-Point
requires no address and sends the data to the
host whenever it is available, without a request or handshake from the host.
Serial Cmd:
<
K140,
0
>
Definition:
See the
ACK/NAK Options
command
<K147>
.
Serial Cmd:
<
K140,
4
>
Definition:
See the
Polling Mode Options
command
<K148>
.
Serial Cmd:
<
K140,
5
>
Serial Cmd:
<
K140,
protocol,
address
>
Default:
1
Options:
1 to 50
1 = Poll address 0x1C, Select address 0x1D
2 = Poll address 0x1E, Select address 0x1F
...
50 = Poll address 0x7E, Select address 0x7F
Summary of Contents for MicroHAWK
Page 1: ...MicroHAWK Engine Integration Guide P N 84 9007100 02 Rev B...
Page 74: ...2 18 MicroHAWK Engine Integration Guide Send Receive Options...
Page 78: ...3 4 MicroHAWK Engine Integration Guide Optical Requirements Optical Requirements Base Side...
Page 79: ...MicroHAWK Engine Integration Guide 3 5 Integration Viewing Port Specifications...
Page 80: ...3 6 MicroHAWK Engine Integration Guide Expansion Connector FPC Expansion Connector FPC...
Page 101: ...MicroHAWK Engine Integration Guide 4 21 Communications Keyboard Languages...
Page 102: ...4 22 MicroHAWK Engine Integration Guide USB HID Keyboard Keyboard Languages continued...
Page 103: ...MicroHAWK Engine Integration Guide 4 23 Communications Keyboard Languages continued...
Page 108: ...4 28 MicroHAWK Engine Integration Guide Entering ASCII Characters as Hex Values...
Page 120: ...5 12 MicroHAWK Engine Integration Guide Additional Notes about Calibration...
Page 148: ...6 28 MicroHAWK Engine Integration Guide Minimum Good Reads...
Page 188: ...7 40 MicroHAWK Engine Integration Guide DotCode...
Page 238: ...8 50 MicroHAWK Engine Integration Guide Image Push to Host Detailed Setup...
Page 268: ...10 14 MicroHAWK Engine Integration Guide New Master Pin...
Page 296: ...11 28 MicroHAWK Engine Integration Guide Set License...
Page 314: ...12 18 MicroHAWK Engine Integration Guide Request All Configuration Database Settings...