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.
NOTE
After deleting the ?le system it is important to cycle power t
o your display to
ensure the removal process is completed.
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-SM memory when given two parameters: [type] and
[refID]. The ?le type and reference number are de?ned when th
e ?le is
saved to the GLK12232-25-SM.
?
[type] = 1: Bitmap
?
[type] = 0: Font
NOTE
After deleting a ?le it is important to cycle power to your dis
play to ensure ?le
system integrity.
Remembered Yes
12.4 Get Filesystem Space
Syntax
Hexadecimal 0xFE 0xAF
Decimal 254 175
Description This command will return 4 bytes, LSB to MSB for how many bytes are
remaining in the 16 KB on board memory.
Remembered No
Matrix Orbital GLK12232-25-SM
47