Dynon Radios LLC 310001-000 User Manual
SV-COM-425 User Manual
4
Appendix 1
User Mode Serial Commands
Description of Data frames
Get Mode (1 byte)
Frame
Name
Description
C code name
Comments
Byte 1
Type
0x50
TYPE_GET_VHF_MODE
Mode (2 bytes)
Frame
Name
Description
C code name
Comments
Byte 1
Type
0x51
TYPE_VHF_MODE
Byte 2
Mode bit flags
Rest of bits
Reserved
Warning
BIT4
status_flags
PTT2
BIT3
not used
PTT1
BIT2
RX Scnd
BIT1
RX Prim
BIT0
Set VHF Channels (5 bytes)
Frame
Name
Description
C code name
Comments
Byte 1
Type
0x52
TYPE_SET_VHF_CHANNELS
Byte 2
Primary MSB
UINT8
UINT16
prim_chan_idx
index number is split into 2
bytes: 0 < index <3036
Byte 3
Primary LSB
UINT8
Byte 4
Secondary MSB
UINT8
UINT16
scnd_chan_idx
index number is split into 2
bytes: 0 < index <3036
Byte 5
Secondary LSB
UINT8