At times that the display or the host sees anything else otherthan 0x01 for con?rmation (usually a 0x08) the
upload is aborted.
NOTES
?
The GLK12232-25 has watch dog timer, set to 2.1 seconds in between transmissions,
in order prevent the display module from staying in a waiting
state.
?
Once the timeout has been reached the timer will reset the display and issue a 0xFE
0xD4 response to the host to signal that this has happened.
12.2 Wipe Filesystem
Syntax
Hexadecimal 0xFE 0x21 0x59 0x21
Decimal 254 33 89 33
ASCII 254 “!” “Y” “!”
Description This command completely erases the display's non-volatile memory. It
removes all fonts, font metrics, bitmaps, and settings (current font,
cursor position, communication speed, etc.). It is an “odd”
command in
that it is three bytes in length in order to prevent accidental execution.
Remembered Yes
12.3 Deleting a File
Syntax
Hexadecimal 0xFE 0xAD [type] [refID]
Decimal 254 173 [type] [refID]
Parameters
Parameter Length Description
type 1 Type of ?le (0:Font, 1:Bitmap)
refID 1 Reference ID of the ?le to delete.
Description This command erases a single ?le at a time within
the GLK12232-25
memory when given two parameters: [type] and [ref]. The ?le t
ype and
reference number are de?ned when the ?le is saved to the
GLK12232-25.
?
[type] = 1: Bitmap
?
[type] = 0: Font
Remembered Yes
12.4 Get Filesystem Space
Matrix Orbital GLK12232-25
45