ACS ACR89U-A1, Reference Manual

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ACR89U-A1 – Reference Manual
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3.5.2.3. PC_to_ACR89_SetBacklight
This command configures the LCD display. This command context is slot independent.
Offset Field Name Type Size Value Description
10 BCmdCode Hex 1 19h -
11 wCmdLength Hex 2 0001h
Size of command data (in
big endian)
13 AbRfu Hex 2 0000 Reserved for future
15 BBacklight Hex 1 00h or 01h
00h = turns off backlight
01h = turns on backlight
Others values RFU
The response to this command is the
ACR89_to_PC_DisplayStatus
message.
3.5.2.4. PC_to_ACR89_DisplayMessage
This command displays a string of characters from ACR89 build-in font library. The string will be
displayed horizontally from the current cursor position. ACR89 will automatically calculate the
absolute coordinates from the character position and character size. The cursor will move accordingly.
This command context is slot dependent.
Offset Field Name Type Size Value Description
10 BCmdCode Hex 1 1Bh -
11 wCmdLength Hex 2 Var… Size of command data (in big endian)
13 AbRfu Hex 2 0000h Reserved for future
15 bCharCoding Hex 1 -
Data encoding format in abData field.
Character size depends on data
format.
00h = ASCII (1 row by 6 column per
character)
All other values are RFU
16
AbData
Ascii
Byte
array
-
Character string of encoding format
stated in bCharCoding field
The response to this command is the
ACR89_to_PC_DisplayStatus message.
3.5.2.5. PC_to_ACR89_DisplayRowGraphic
This command scans a row of graphics to be displayed on LCD.
Offset Field Name Type Size Value Description
10 bCmdCode Hex 1 23h -
11 wCmdLength Hex 2 Var… Size of command data (in big endian)
13 abRfu Hex 2 0000h -
15 bRowPosition Hex 1 -
Start position row index. One row is
with height of 8 pixels.
16 bColumnPosition Hex 1 - Start position column index