Storm EZ-Key, Техническое руководство

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EZ-Key Keypad with integrated audio
Technical Manual
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confidential and is not to be used for any purpose or disclosed to a third party without the express and written consent of
Keymat Technology Ltd., Copyright 2015. All rights reserved.
EZ-Key + Audio - Technical Manual Rev 1 Apr 2015
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Product Features
The product has following characteristics:

HID keyboard

HID consumer controlled device (The functionality will be explained below)

USB audio device

Illuminated audio jack with dimming capability via software

Beeper (duration controlled by software)

Standard EZKEY + audio keypad tables supported as default

Customisable keypad table

It also supports an HID-data pipe back channel, which is used to configure the EZKEY + audio

No additional drivers are required.

Supports standard modifiers, i.e. Ctrl, Shift, Alt

Supports loadable firmware for future upgrades
EZKEY VOIP Keypads supported
5 Way 6 Way 8 Way
Physical Layer
- HID over USB
Boot Loader
- A Boot Loader is provided to allow software to be updated over USB.
o
The Boot-loader is invoked by software
o
An ‘emergency’ hardware boot loader override switch is provided in the event of the software Boot Loader failing.
Keypad
- De-bounce parameters
o
Optimal values for Storm keypads are set as default (20ms)
Beeper Command
- It is possible to enable/disable beeps on a key press
o
The duration of the key beep is selectable via USB
- It is possible to send a beep command to operate the beeper via USB
Audio Jack Socket LED illumination commands
- It is possible to turn illumination on and off – LED Illumination is on by default
o
It is possible to dim the illumination in 10 steps via a USB command
Keycode table

There is provision for three selectable keycode tables in the keypad – you can select the table with the API or with the Utility

On one of the tables (Alternate table), the up/down key will act as HID consumer controlled keys for volume up and volume
down.

The user can customise the third table with any USB keycode, including modifiers.
Configuration

The utility allows user to configure the EZKEY VOIP via ini file, including the customisation of keycodes.