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EZ-Key Keypad with integrated audio
Technical Manual
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Keymat Technology Ltd., Copyright 2015. All rights reserved.
EZ-Key + Audio - Technical Manual Rev 1 Apr 2015
www.storm-interface.com
Page 20 of 35
Controlling the Keypad from the Host Computer
Message Definitions and Error Codes
Here is a general table describing the message Ids, more detailed descriptions for each message Id follows. When
a message is one way only, the Message Id. is the same for both the message and response.
ID. Message
Description
01 Device Status
Request
Host To EZKEY_VOIP keypad – Output the firmware version and all currently
selected parameters
02 LED Brightness
Host To EZKEY_VOIP keypad – adjust led brightness. (default: 0)
03 Reserved
RESERVED
04 Key Press Beeper
On/Off
Host To EZKEY_VOIP keypad - Enable/Disable beeper. (Default: Enable)
05 Load New code
table
Host To EZKEY_VOIP keypad – Load new code table
06 Beeper Command Host To EZKEY_VOIP keypad – sound beeper
07 Keypad Table
Host To EZKEY_VOIP keypad – Select layout table 0 – Default Table 1 –
Alternate Table 2 – Customised
08 Reserved
Reserved
09 Write to default
Host To EZKEY_VOIP – EZkey writes configuration data from ram to flash.
10 Reset to factory
default
Host To EZKEY_VOIP – Reset device back to factory default
11 RESERVED
Reserved
12 Load Firmware
Host To EZKEY_VOIP – Sets the EZkey to detect the device loader for
firmware loading
13 Status Beeper
Host to EZKEY_VOIP – Sounds the beeper for x period. X is passed in value
(0 -9). This will sound the beeper even if beeper is switched off.
Error Code
Every response message contains one of the following error codes:
00 No error
01 Command not recognized
02 Command not support at this stage
03 Parameter not supported
04 Hardware fault
.