Ocean Optics Flame-S, User Manual

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8: Firmware and Advanced Communications
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Command Syntax: I{16 bit
DATA WORD
}
Response: ACK or NAK
Range: 1
– 65,000,000
Default value: 6ms
Integration Time (32 Bit)
Sets the Flame’s integration time, in microseconds, to the value specified.
Command Syntax: i{32-bit
DATA DWORD
}
Response: ACK or NAK
Range: 10
– 65,000,000
Default value: 6,000
Lamp Enable
Sets the Flame’s Lamp Enable line to the value specified.
Command Syntax: J{
DATA WORD
}
Value:
0 = Light source/strobe off
—Lamp Enable low
1 = Light source/strobe on
—Lamp Enable high
Response: ACK or NAK
Default value: 0
Baud Rate
Sets the Flame’s baud rate.
Command Syntax: K{
DATA WORD
}
Value:
0=2400 1=4800 2=9600 3=19200 4=38400
5=Not Supported 6=115,200 7=230,400
Response: See below
Default value: 2
When changing baud rates, the following sequence must be followed:
1.
Controlling program sends K with desired baud rate, communicating at the old baud rate.
2.
The Flame responds with ACK at old baud rate, otherwise it responds with NAK and the
process is aborted.
3.
Controlling program waits longer than 50 milliseconds.
4. Controlling program sends K, followed by the desired baud rate.
For example, to change the baud rate from 9600 to 115,200 in ASCII mode: