![IDTECH Vivopay Neo 2 Developer'S Manual Download Page 282](http://html.mh-extra.com/html/idtech/vivopay-neo-2/vivopay-neo-2_developers-manual_618786282.webp)
NEO 2 Interface Developer’s Guide
Copyright © 2019, International Technologies & Systems Corporation. All rights reserved.
282
8.13.
Pass-through UI Control
8.13.1.
LED Control (0A-02)
This command switches the specified ViVOpay LEDs off or on
only
when ViVOpay is in Pass-
Through Mode.
Command Frame
Byte 0-9
Byte 10
Byte 11
Byte 12 Byte 13
Byte 14,15
Byte 16
Byte 17
Header Tag
& Protocol
Version
Command
Sub-
Command
Data
Length
(MSB)
Data
Length
(LSB)
Data
CRC (MSB)
CRC (LSB)
ViVOtech2\0
0Ah
02h
00h
02h
below
LED Control Data Field
Data Field
Length (bytes)
Description
LED#
1
00h: LED 0 (Power LED)
01h: LED 1
02h: LED 2
03h: LED 3
FFh: All 4 LEDs
Where the LEDs are numbered 0, 1, 2, 3 counting from the left.
Note:
If you are using Pass-Through Mode to control the Power LED (LED
0), it is your responsibility to make sure that it behaves correctly.
LED Status
1
00h: LED Off
01h: LED On
02h: Green Color (Tri-Color LED)
03h: Red Color (Tri-Color LED)
04h: Amber Color(Tri-Color LED)
Note
: the setting of Tri-color LED(02h~04h) is valid for VP3300 Audio Jack, VP3300 USB,
and VP3300BT.
Response Frame
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Header Tag &
Protocol
Version
Command
Status Code
Data
Length
(MSB)
Data
Length
(LSB)
CRC (MSB)
CRC (LSB)
ViVOtech2\0
0Ah
See
00h
00h
8.14.
Front LED Control (0A-03)
This command controls the front LED of VP5300.
Note:
This command can only be performed while in Passthrough mode.