Kontron KBox C-102 Series, Руководство пользователя

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KBox C-102 - User Guide, Rev. 1.0
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17.2.10. LED Control Register LCTRL
This register can be read and written to any time and is used to drive the front panel General Purpose LEDs.
Table 38: LED Control Register LCTRL
0x111 LED Control Register LCTRL
Bit 7 6 5 4 3 2 1 0
Name LCMD LCOL
Access
R/W R/W
Reset PS %0000 %0000
The status of a certain LED can be get by writing a get LED command including LED number (color bits are ignored)
followed by a simple read.
LCMD[3:0]: LED command – This bit field is used to get and set a certain LED status.
0000 = Get LED 0
0001 = Get LED 1
0010 = Get LED 2
0011 = Get LED 3
01xx = Reserved
1000 = Set LED 0
1001 = Set LED 1
1010 = Set LED 2
1011 = Set LED 3
11xx = Reserved
LCOL[3:0]: LED color – This bit field is used to define the color of the LED specified together with .the SET command.
0000 = Off
0001 = Green
0010 = Red
0011 = Red + Green
01xx = Reserved