Matrix-orbital GTT70A Manual do Utilizador descarregar pdf (Página 12)

Command Summary 8

2 Commands

2.1 Basic Commands

1.1 Set

Customer Data

Dec

Hex

ASCII

254 52

FE 34

þ 4

Length Data

2.0

Write up to 255 bytes of data to the userdata.dat file in the \system\ folder of the SD card. This data can be used

for any purpose the end user sees fit including unit identification, network information, system settings, or

anything else specific to the module.

Length

Byte

Length of the data to be transferred, in bytes.

Data

Byte(s)

Data to be written to the SD card.

1.2 Get

Customer Data

Dec

Hex

ASCII

254 53

FE 35

þ 5

2.0

Read data from the userdata.dat file in the \system\ folder of the SD card, previously written using the Write

Customer Data command.

Return Message

252 53 Length

Length Data

Length

Byte

Length of the data to be transferred, in bytes.

Data

Byte(s)

Data read from the SD Card.

1.3 Set Backlight

Brightness

Dec

Hex

ASCII

254 153

FE 99

þ ™

Brightness

2.0

Set the brightness of the display backlight.

Brightness

Byte

The backlight brightness, a value between 0 (off) and 255 (maximum).

1.4 Get Backlight

Brightness

Dec

Hex

ASCII

254 154

FE 9A

þ š

2.0

Read the current backlight brightness setting.

Return Message

252 154 Length

Brightness

Byte

The current backlight brightness.

1.5 Write

ScratchPad

Dec

Hex

ASCII

254 204

FE CC

þ Ì

Index Length Data

2.0

Write data to volatile memory for temporary storage during operation. Total memory size is 512 bytes.

Index

Short

Starting index of the data to be written.

Length

Short

Length of the data to be transferred, in bytes.

Data

Byte(s)

Data to temporarily save in volatile memory.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 52 53

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