Oneil microFlash2, Programming Reference Manual

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Chapter 4: Querying the Printer
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O’Neil Programming Language Reference Manual
Version Reply Explanation
Memory Query
Memory Reply Explanation
Query Reply Definition
F n.nn Firmware version is n.nn .
B n.nn Boot code version is n.nn .
D n.n Download (fonts, graphics, formats) version is n.nn .
Memory Query
Query Format ESC{MY?}
Reply Format {MY! FS :x; FM :x; RS :x; DT :x; DR :x}
Function Returns the size of all memory available in the printer,
including the amounts used and the amount remaining.
Available for original MF2/MF3/2t/4t and radio ready 2t/3l/4t.
Reply Example {MY! FS :1M; FM :AMD; RS :1M; DT :049152; DR :000512}
Reply Example
Explanation
MY! - Reply to a memory query.
FS :1M; - This printer contains a 1M bit Flash memory
FM :AMD; - The Flash manufacturer is AMD.
RS :1M; - RAM Size = 1M.
DT :049152; - Total Flash area available for download is
49,152 bytes.
DR :000512; - Download Flash memory Remaining. Out of
49,152 bytes, 512 bytes are available.
Query Reply Definition
FS 1 Meg,
4 Meg
Flash size = 1 Meg (128K bytes) or 4 Meg (512K bytes)
FM AMD Flash manufacturer = AMD
RS 1 Meg RAM size = 1 Meg (128K bytes)
DT nnnnnn Download total area = nnnnnn bytes. This is the size after
the application program is downloaded to Flash and after
the boot code size is deducted.
DR nnnnnn Download RAM remaining = nnnnnn bytes. Download total
and download remaining are the same values only if no
fonts or graphics were downloaded.