Command Summary
37
10.3
Poll Key
Press
Dec
Hex
ASCII
254 38
FE 26
■
&
v8.0
Reads the last unread key press from the 10 key display buffer. If another key is stored in the buffer the MSb will
be 1, the MSb will be 0 when the last key press is read. If there are no stored key presses a value of 0 will be
returned. Auto transmit key presses must be turned off for this command to be successful, do not use with I
2
C.
Response
Byte
Value of key pressed (MSb determines additional keys to be read).
10.4
Clear
Key Buffer
Dec
Hex
ASCII
254 69
FE 45
■
E
v8.0
Clears all key presses from the key buffer.
10.5
Set
Debounce Time
Dec
Hex
ASCII
254 85
FE 55
■
U
Time
Time
Time
v8.0
Sets the time between a key press and a key read by the display. Most switches will bounce when pressed; the
debounce time allows the switch to settle for an accurate read. Default is 8 representing approximately 52ms.
Time
Byte
Debounce increment (debounce time =
Time
* 6.554ms).
10.6
Set Auto
Repeat Mode
Dec
Hex
ASCII
254 126
FE 7E
■
DEL
Mode
Mode
Mode
v8.0
Sets key press repeat mode to typematic or hold. In typematic mode if a key press is held, by default the key value
is transmitted immediately, then 5 times a second after a 1 second delay. In hold mode, the key down value is
transmitted once when pressed, and then the key up value is sent when the key is released. Default is typematic.
Mode
Byte
1 for hold mode or 0 for typematic.
10.7
Auto
Repeat Mode Off
Dec
Hex
ASCII
254 96
FE 60
■
`
v8.0
Turns auto repeat mode off. Default is on (typematic).
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from