GLT24064R-1U-USB-TCI Matrix Orbital, GLT24064R-1U-USB-TCI Datasheet - Page 39

• Manufacturer Part Number: GLT24064R-1U-USB-TCI
• Description: DISPLAY
• Manufacturer: Matrix Orbital

Specifications of GLT24064R-1U-USB-TCI

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

12.1 Wipe
Filesystem
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.
12.2 Delete a
File
Removes a single font or bitmap file given the type and unique identification number. Cycle power after deletion.
Type
ID
12.3 Get Filesystem
Space
Returns the amount of space remaining in the display for font or bitmap uploads.
Response
12.4 Get Filesystem
Directory
Returns a directory to the contents of the filesystem. The total number and type of each entry will be provided.
Response
12.5 Filesystem
Upload
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 in the same manner as a font or bitmap file.
Size
Data
33
6.12 Filesystem
Description
Start Page
Byte
Type/ID
Size
1 byte, 0 for font or 1 for bitmap
2 bytes, unique identification number of font or bitmap to be deleted
4 bytes, size of the filesystem to upload, LSB to MSB
variable length, data to upload
4 bytes, number of bytes remaining in memory, LSB to MSB
variable length, 2 bytes representing number of entries plus 8 identification bytes for each entry
Dec
Hex
ASCII
Size(MSB)
Dec
Hex
First four bits designate file type, 0 for font or 1 for bitmap, remaining bits indicate ID number
Dec
Hex
7
Dec
Hex
Dec
Hex
254 33 89 33
FE 21 59 21
■ ! Y !
254 173
FE AD
254 176
FE B0
Size
6
254 175
FE AF
254 179
FE B3
Memory start page, a value of 0 indicates entry is not in use
Size
5
Type ID
Type ID
Size Data
Size Data
Table 35: Filesystem Identification Bytes
Size(LSB)
Table 36: Extended Byte Descriptions
4
Type(4)/ID(4)
The complete file size
3
ID (LSB)
2
Start Page (MSB)
1
Start Page (LSB)
0