8: Firmware and Advanced Communications
225-00000-000-11-201604 113
Checksum Mode
Specifies whether the Flame will generate and transmit a 16-bit checksum of the spectral data.
This checksum can be used to test the validity of the spectral data, and its use is recommended
when reliable data scans are required.
0 = Do not transmit checksum value
!0 = transmit checksum value at end of scan
Version Number Query
Returns the version number of the code running on the microcontroller. A returned value of
1000 is interpreted as 1.00.0
ACK followed by {DATA WORD}
Set FPGA Register Value
Sets the appropriate register within the FPGA. The list of register setting is in the USB command
set information. This command requires two data values, one to specify the register and the
next to specify the value.
W{DATA WORD 1}{DATA WORD 2}
Data Word 1 – FPGA Register address
Data Word 2 – FPGA Register Value
ASCII Data Mode
Sets the mode in which data values are interpreted to be ASCII. Only unsigned integer values
(0 – 65535) are allowed in this mode and the data values are terminated with a carriage return
(ASCII 13) or linefeed (ASCII 10). In this mode the Flame “echoes” the command and data
values back out the RS-232 port.