Spectrometer commands – Ocean Optics Ventana User Manual
Page 15
Ventana Data Sheet
891-00000-200-05-201305
15
Message Type Purpose
Input Data
Output Data Notes
Reply is a single byte.
0x000 000 90
Get host
interface
firmware
revision
N/A
Unsigned
short
Firmware version as binary coded
decimal. The same value should be
available through the USB descriptor
as the bcdDevice field.
Request has no payload.
Reply is a 2-byte integer (LSB first) of
the revision.
0x000 000 91
Get FPGA
firmware
revision
N/A
Unsigned
short
Firmware revision as a binary coded
decimal for FPGA
0x000 001 00
Get serial
number
N/A
String
Spectrometer Commands
Message Type Purpose
Input Data
Output Data Notes
0x001 010 00
Get and send
corrected
spectrum
immediately
N/A
Pixel
values
(integers)
This returns the intensity of every
pixel on the detector as LSB, MSB as
soon as it is available. There is no
payload in the request. The reply has
2048 bytes of payload. The pixel
intensities are corrected for
temperature drift and fixed-pattern
noise.
0x001 100 00
Get integration
time (µs)
N/A
Unsigned
32-bit
integer
0x001 100 10
Set integration
time (µs)
Unsigned
32-bit
integer
N/A
Input is 4 bytes for time in µs. Order is
LSB, …, MSB
No reply.
The minimum is 10.