Matrix Orbital GLK24064-25 Legacy - Manual (Page 46)

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14. Miscellaneous
14.1. Write
Customer
Data
Dec
Hex
ASCII 254 52
FE 34
■ 4
Data
Data
Data
Saves a user defined block of data to non-volatile memory. Useful for storing display information for later use.
Data 16 bytes, user defined data
14.2. Read
Customer
Data
Dec
Hex
ASCII 254 53
FE 35
■ 5
Reads data previously written to non-volatile memory. Data is only changed when written, surviving power cycles.
Response 16 bytes, previously saved user defined data
14.3. Read
Version
Number
Dec
Hex
ASCII 254 54
FE 36
■ 6
Causes display to respond with its firmware version number.
Response 1 byte, convert to hexadecimal to view major and minor revision numbers
14.4. Read
Module
Type
Dec
Hex
ASCII 254 55
FE 37
■ 7
Causes display to respond with its module number.
Response 1 byte, module number, see partial list below
Table 47: Sample Module Type Responses
21 GLK24064-25 105 GLT24064
107 GLK24064-25-USB 106 GLT24064-USB
109 GLK24064-25-422 110 GLT24064-422
14.5. Read Screen Dec
Hex 254 184
FE B8
Return the current commanded state of each pixel on the screen.
Response 1920 bytes, 30 bytes per display row, 64 rows of data representing the Boolean value of each pixel