Ocean Optics Flame-S - FLAME-T Firmware and Serial;USB Communication

8: Firmware and Advanced Communications
225-00000-000-11-201604 81
Byte Format
Byte 0
0xFE
Return Format
The data is returned in Binary format and read in by the host through End Point 1 In. The
structure for the return information is as follows:
Byte
Description
Comments
0-1
Number of Pixels - WORD
LSB | MSB order
2-5
Integration Time - WORD
Integration time in s – LSW | MSW. Within each word
order is LSB | MSB
6
Lamp Enable
0 – Signal LOW
1 – Signal HIGH
7
Trigger Mode Value
8
Spectral Acquisition Status
9
Packets In Spectra
Returns the number of Packets in a Request Spectra
Command.
10
Power Down Flag
0 – Circuit is powered down
1 – Circuit is powered up
11
Packet Count
Number of packets loaded into End Point Memory
12
Reserved
13
Reserved
14
USB Communications
Speed
0 – Full Speed (12Mbs)
0x80 – High Speed (480 Mbps)
15
Reserved
Flame –S Serial Port Interface Communications and Control
Information
The Flame is a microcontroller-based Miniature Fiber Optic, which can communicate via the
Universal Serial Bus or RS-232. This document contains the necessary command information for
controlling the Flame via the RS-232 interface.
Hardware Description
The Flame utilizes a Cypress FX2 microcontroller, which has a high speed 8051, combined with
an USB ASIC. Program code and data coefficients are stored in external E
2
PROM, which are
loaded at boot-up via the I
2
C bus.