Matrix-orbital GLK240128-25 Bedienungsanleitung PDF herunterladen (Seite 51)

46 Command Summary

6.14 Filesystem

14.1 Delete

Filesystem

Dec

Hex

ASCII

254 33 89 33

FE 21 59 21

■ ! Y !

v8.0

Completely erase all fonts and bitmaps from a graphic display. Extended length of the command is intended to

prevent accidental execution. To ensure filesystem integrity, cycle power to the display after erasure.

14.2 Delete a

File

Dec

Hex

ASCII

254 173

FE AD

■ ¡

Type ID

v8.0

Removes a single font or bitmap file given the type and unique identification number. Cycle power after deletion.

Type

Byte

0 for font or 1 for bitmap.

ID*

Short

Unique identification number of font or bitmap to be deleted, value between 0 and 1023.

*Note: ID was changed from a Byte length at firmware revision 8.1

14.3 Get

Filesystem Space

Dec

Hex

ASCII

254 175

FE AF

■ »

v8.0

Returns the amount of space remaining in the display for font or bitmap uploads.

Response

Integer

Number of bytes remaining in memory.

14.4 Get Filesystem

Directory

Dec

Hex

ASCII

254 179

FE B3

■ │

v8.0

Returns a directory to the contents of the filesystem. The total number and type of each entry will be provided.

Response

Short

Number of entries.

Byte(s) [8]

8 identification bytes for each entry.

Table 36: Filesystem Identification Bytes

Byte

Description

Size(MSB)

Size

Size(LSB)

Type(4)/ID(4)

ID (LSB)

Start Page (MSB)

Start Page (LSB)

Table 37: Extended Byte Descriptions

Size

The complete file size.

Type/ID

First four bits designate file type, 0 for font or 1 for bitmap, remaining 12 bits indicate ID number.

Start Page

Memory start page, a value of 0 indicates entry is not in use.

*Note: ID and Size were changed from Byte and Short lengths respectively at firmware revision 8.1

14.5 Filesystem

Upload

Dec

Hex

ASCII

254 176

FE B0

■ ░

Size Data

v8.0

This command will upload a filesystem image to the display. The size used is almost always the entire memory.

Filesystem data can be uploaded LSB to MSB using the

File Transfer Protocol.

Size

Integer

Size of the filesystem to upload.

Data

Byte(s)

Filesystem data to upload.

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 69 70

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