Evologics software defined modem – operation

erangoldman@gmail.com, 08 February 2017

I have 4 evologics SDMs, This is a log of the operation of the 2 48Khz-72Khz experiment.

All the files are in github

Turn the modem to physical mode :

nc 192.168.0.X 9200

ATP

AT?S 
Local Address: 1
Remote Address: 0
Acoustic Link Status: PHY
Pool Status: 0 packages, 16384 bytes free
Promiscuous Mode: ON

AT!L0
[*]OK

edit the fsm.conf

sudo gedit /usr/local/etc/fsm.conf

Generate ref and tx :

python refgen.py

python txgen.py

Run the evins console :

./evins/_rel/evins/bin/evins console

Connect to the first modem :

nc localhost 7001

ref,/tmp/ref
report,ref,1024
config,0,0,0 
report,config,1
tx,/tmp/tx
report,tx,375000

connect to the second modem :

ref,/tmp/ref
report,ref,1024
config,0,0,0
report,config,1
rx,125000,/tmp/rx
rx
stop