1.
Home
2.
Introduction
3.
Installation
Linux
macOS
Windows
Raspberry Pi OS - Debian 11 (bullseye)
Raspberry Pi OS - Debian 12 (bookworm)
4.
Usage
Run FreeDATA
Hamlib
Tuning
Testfiles
5.
Knowledge Base
FreeDATA - first aid (for alpha/beta testers)
Linux
Audio device unaccessible while tnc starts
Windows
Loss of audio connection with e.g. Zoom
DigiRig Interface - Hamlib
6.
Development
App design
ARQ
Database
Installation - Source - Linux
Installation - Source - Windows
7.
REST API
General
version
Devices
audio devices
serial devices
Radio
radio
Modem
FEC transmit
modem state
FEC is writing
send ARQ RAW
CQ
stop transmission
BEACON
PING
test frame
modem start
modem stop
Server
config
Freedata
messages
send P2P
messages ID
messages ID ATTACHMENTS
beacons
8.
codec2 mode design
summary
parameters
WIP: OFDM 2438Hz
CODEC2 hartd coded data modes
Clear History
Built with
Grav
- The Modern Flat File CMS
summary
Designing new codec2 modes needs to be done in 3 steps.
Spreadsheet https://github.com/drowe67/codec2/blob/main/doc/modem_codec_frame_design.ods
Octave Simulation
C-Implementation