NEO 2 Interface Developer’s Guide
Copyright © 2019, International Technologies & Systems Corporation. All rights reserved.
283
Command Frame
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14 -
n-1
Byte 14+n
Byte
15+n
Header Tag &
Protocol Version
Command
Sub-
Command
Data
Length
(MSB)
Data
Length
(LSB)
Data
CRC (LSB)
CRC
(MSB)
ViVOtech2\0
0Ah
03h
00h
03h
Data Field
Data Item
Length
(bytes)
Description
LED Location
1
LED Location Selection
- 0x00 - Back (not supported)
- 0x01 - Front (always selected)
Red LED
1
Red LED Control Option
- 0x00 – OFF
- 0x01 – ON (default)
- 0x02 – BLINK (500ms interval)
Green LED
1
Green LED Control Option
- 0x00 – OFF (default)
- 0x01 – ON
- 0x02 – BLINK (500ms interval)
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
8.14.1.
Buzzer Control (0B-xx)
This command can be used to sound the ViVOpay Buzzer.
Command Frame
Byte 0-9
Byte 10
Byte 11
Byte 12 Byte 13
Byte 14
Byte 15
Byte 16
Header Tag
& Protocol
Version
Command
Sub-
Command
Data
Length
(MSB)
Data
Length
(LSB)
Data
CRC (MSB)
CRC (LSB)
ViVOtech2\0
0Bh
See Below
00h
01h
Buzzer
Parameter