lighting_node_rgb.md

Corsair Commander Pro and Lighting Node Pro protocol

Compatible devices

Device Name	USB ID	LED channels	Fan channels
Commander Pro	1B1C:0C10	2	6
Lighting Node Pro	1B1C:0C0B	2	0

Command formats

Host -> Device: 16 bytes Device -> Host: 64 bytes

Get Information commands

Get Firmware version - 0x02

Response:

Byte index	Description
0x00	0x00
0x01	X
0x02	Y
0x03	Z

Firmware version is X.Y.Z

Get Bootloader version - 0x06

Response:

Byte index	Description
0x00	0x00
0x01	X
0x02	Y

Bootloader version is X.Y

Get temperature sensor configuration - 0x10

Response:

Byte index	Description
0x00	0x00
0x01	0x01 temp sensor 1 connected, otherwise 0x00
0x02	0x01 temp sensor 2 connected, otherwise 0x00
0x03	0x01 temp sensor 3 connected, otherwise 0x00
0x04	0x01 temp sensor 4 connected, otherwise 0x00

Get temperature value - 0x11

Request:

Byte index	Description
0x00	0x11
0x01	temp sensor number (0x00 - 0x03)

Response:

Byte index	Description
0x00	0x00
0x01	temp MSB
0x02	temp LSB

Divide the temperature value by 100 to get the value is degrees celsius.

Get bus voltage value - 0x12

Request:

Byte index	Description
0x00	0x12
0x01	rail number (0x00 - 0x02)

rail 0 = 12v rail 1 = 5v rail 2 = 3.3v

Response:

Byte index	Description
0x00	0x00
0x01	voltage MSB
0x02	voltage LSB

Divide the value by 1000 to get the actual voltage.

Get fan configuration - 0x20

Response:

Byte index	Description
0x00	0x00
0x01	Fan 1 mode
0x02	Fan 2 mode
0x03	Fan 3 mode
0x04	Fan 4 mode
0x05	Fan 5 mode
0x06	Fan 6 mode

Fan modes:

Fan Mode	Value
Disconnected	0x00
DC (3 pin)	0x01
PWM (4 pin)	0x02

Get fan RPM value - 0x21

Request:

Byte index	Description
0x00	0x21
0x01	fan number (0x00 - 0x05)

Response:

Byte index	Description
0x00	0x00
0x01	rpm MSB
0x02	rpm LSB

Set commands

Set fixed % - 0x23

Request:

Byte index	Description
0x00	0x23
0x01	fan number (0x00 - 0x05)
0x02	percentage

Set fan curve % - 0x25

Request:

Byte index	Description
0x00	0x25
0x01	fan number (0x00 - 0x05)
0x02	temp sensor to use (0x00 - 0x03) 0xFF to use external sensor
0x03, 0x04	temp point 1 MSB
0x05, 0x06	temp point 2 MSB
0x07, 0x08	temp point 3 MSB
0x09, 0x0A	temp point 4 MSB
0x0B, 0x0C	temp point 5 MSB
0x0D, 0x0E	temp point 6 MSB
0x0F, 0x10	rpm point 1 MSB
0x11, 0x12	rpm point 2 MSB
0x13, 0x14	rpm point 3 MSB
0x15, 0x16	rpm point 4 MSB
0x17, 0x18	rpm point 5 MSB
0x19, 0x1A	rpm point 6 MSB

Hardware LED commands

• Send reset channel
• send start LED effect
• set channel to hardware mode
• send effect (one or more messages)
• send commit

Reset channel - 0x37

Request:

Byte index	Description
0x00	0x37
0x01	channel number (0x00 or 0x01)

Start channel LED effect - 0x34

Request:

Byte index	Description
0x00	0x34
0x01	channel number (0x00 or 0x01)

Set channel state - 0x38

Request:

Byte index	Description
0x00	0x38
0x01	channel number (0x00 or 0x01)
0x02	0x01 hardware control, 0x02 software control

Set LED effect - 0x35

Request:

Byte index	Description
0x00	0x35
0x01	channel number (0x00 or 0x01)
0x02	start LED number
0x03	number of LEDs
0x04	mode
0x05	speed
0x06	direction
0x07	random colors
0x08	0xFF

mode	value	Num Colors
rainbow	0x00	0
color_shift	0x01	2
color_pulse	0x02	2
color_wave	0x03	2
fixed	0x04	1
visor	0x06	2
marquee	0x07	1
blink	0x08	2
sequential	0x09	1
rainbow2	0x0A	0

speed	value
slow	0x02
medium	0x01
fast	0x00

direction	value
forward	0x01
backward	0x00

Commit hardware settings - 0x33

Request:

Byte index	Description
0x00	0x33
0x01	0xFF