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Figure 14. ATR110 LED locations
8.9.1 Management command bytes
The LED control command comprises a command byte and eight bytes that specify the LED bank
and number that you want to control.
Command Bank 1
LED A
Bank 1
LED B
Bank 1
LED C
Bank 1
LED D
Bank 2
LED A
Bank 2
LED B
Bank 2
LED C
Bank 2
LED D
Unused
Bytes
[0x0A]
LED
setting
LED
setting
LED
setting
LED
setting
LED
setting
LED
setting
LED
setting
LED
setting
Set to
[0x00]
Each of the eight bytes splits into 8 bits, which specify the settings associated with the LED.
LED setting
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Common
(0 or 1)
Blink
(0 or 1)
Not used
(0)
Not used
(0)
00 - Red
01 - Green
10 - Amber
11 - Blue
Invert
(0 or 1)
LED
state
(0 or 1)
To calculate the LED setting, convert the binary value from the 8 bits to hexadecimal. For example,
binary =
10001101
, hex =
[0x8D]
.
Common
Valid for bank 1 only, sets the bank 1 value to the bank 2 LED.
Blink
Blinks the LED, two or more LEDs will turn on and off at the same time.
Invert
Inverts the LED state; the LED will be on when other blinking LEDs are off.
State
0 - LED off, 1 - LED on.
8.9.2 Management response bytes
Byte
Response/Value
Comments
0
[0x0A]
Command echoed
1
[0x90]
or
[0x69]
[0x90]
- Success
[0x69]
- Failure
2
[0x00]
3
–63
[0x00]
Ignored (61 bytes)