Ocean Optics Flame-S, User Manual

Page: 84 / 130

8: Firmware and Advanced Communications
74 225-00000-000-11-201604
Return Format
The data is returned in Binary format and read in by the host through End Point 7.
Byte 0 Byte 1 … Byte 5 Byte 6
Value @ I
2
C address 2 Value @ I
2
C address 3
… Value @ I
2
C address 7 0x00
Detect Plug-ins
Reads all of the plug-in accessories that are plugged into the I
2
C bus. No data values are
returned.
Byte Format
Byte 0
0x0D
LED Status
Sets the Flame LEDs as follows.
Data Byte = 0

LEDs Off
Data Byte = 1

LEDs On
Byte Format
Byte 0 Byte 1
0x12 Data byte
General I2C Read
Performs a general purpose read on the I
2
C pins for interfacing to attached peripherals. The
time to complete the command is determined by the amount of data transferred and the
response time of the peripheral. The I
2
C bus runs at 400KHz. The maximum number of bytes
that can be read is 61.
Command Byte Format
Byte 0 Byte 1 Byte 2
0x60 I
2
C Address Bytes to Read