5 keypad interface commands – Matrix Orbital PK202-25 User Manual

Page 41

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8.5 Keypad Interface Commands

Table 24: Keypad Interface Commands

Command

Syntax

Default

Notes

Auto repeat mode on

FE 7E [0x00|0x01] 254

126 [0|1]

254 ’~’ [0|1]

Off

R

Applies to key-

pad

only.0x00

= 200 ms type-

matic,0x01

=

key down/key up

codes sent.

Auto repeat mode off

FE 60

254 96

254 ’‘’

Off

R

Applies to keypad

only.

Auto transmit key presses

on

FE 41

254 65

254 ’A’

On

R

Sets auto transmit

mode for keypad.

Key presses are

transmitted

to

host

without

polling.

Auto transmit key presses

off

FE 4F

254 79

254 ’O’

Off

R

Up to 10 key

presses buffered

until polled.

Clear key buffer

FE 45

254 69

254 ’E’

N/A

Clear unread key

presses.

Poll keypad

FE 26

254 38

254 ’&’

N/A

Returns buffered

key presses to ap-

plication. Returns

0x00 if no key

presses. High or-

der bit set unless

this is the last /

only key press.

Set debounce time

FE 55 [time]

254 85 [time]

254 ’U’ [time]

52ms

R

Resolution: 1 =

0.6554 ms [time]

is a numeric mul-

tiplier.

Matrix Orbital

PK202-25

37

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