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meshing-around/modules/radio.py
SpudGunMan 838bd3edce Update radio.py
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2025-10-12 09:55:55 -07:00

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# meshing around with hamlib as a source for info to send to mesh network
# detect signal strength and frequency of active channel if appears to be in use send to mesh network
# depends on rigctld running externally as a network service
# also can use VOX detection with a microphone and vosk speech to text to send voice messages to mesh network
# requires vosk and sounddevice python modules
# 2024 Kelly Keeton K7MHI
previousVoxState = False
from modules.log import *
import asyncio
if radio_detection_enabled:
import socket
if voxDetectionEnabled:
voxHoldTime = signalHoldTime
try:
import sounddevice as sd # pip install sounddevice sudo apt install portaudio19-dev
from vosk import Model, KaldiRecognizer # pip install vosk
import json
q = asyncio.Queue()
except Exception as e:
print(f"RadioMon: Error importing VOX dependencies: {e}")
print(f"To use VOX detection please install the vosk and sounddevice python modules")
print(f"pip install vosk sounddevice")
print(f"sounddevice needs pulseaudio, apt-get install portaudio19-dev")
voxDetectionEnabled = False
logger.error(f"RadioMon: VOX detection disabled due to import error")
def get_hamlib(msg="f"):
try:
rigControlSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
rigControlSocket.settimeout(2)
rigControlSocket.connect((rigControlServerAddress.split(":")[0],int(rigControlServerAddress.split(":")[1])))
except Exception as e:
logger.error(f"RadioMon: Error connecting to rigctld: {e}")
return ERROR_FETCHING_DATA
try:
build_msg = f"{msg}\n"
MESSAGE = bytes(build_msg, "utf-8")
rigControlSocket.sendall(MESSAGE)
# Look for the response
data = rigControlSocket.recv(16)
rigControlSocket.close()
# strip newline and return
data = data.replace(b'\n',b'')
return data.decode("utf-8").rstrip()
except Exception as e:
logger.error(f"RadioMon: Error fetching data from rigctld: {e}")
return ERROR_FETCHING_DATA
def get_freq_common_name(freq):
freq = int(freq)
if freq == 462562500:
return "GRMS CH1"
elif freq == 462587500:
return "GRMS CH2"
elif freq == 462612500:
return "GRMS CH3"
elif freq == 462637500:
return "GRMS CH4"
elif freq == 462662500:
return "GRMS CH5"
elif freq == 462687500:
return "GRMS CH6"
elif freq == 462712500:
return "GRMS CH7"
elif freq == 467562500:
return "GRMS CH8"
elif freq == 467587500:
return "GRMS CH9"
elif freq == 467612500:
return "GRMS CH10"
elif freq == 467637500:
return "GRMS CH11"
elif freq == 467662500:
return "GRMS CH12"
elif freq == 467687500:
return "GRMS CH13"
elif freq == 467712500:
return "GRMS CH14"
elif freq == 467737500:
return "GRMS CH15"
elif freq == 462550000:
return "GRMS CH16"
elif freq == 462575000:
return "GMRS CH17"
elif freq == 462600000:
return "GMRS CH18"
elif freq == 462625000:
return "GMRS CH19"
elif freq == 462675000:
return "GMRS CH20"
elif freq == 462670000:
return "GMRS CH21"
elif freq == 462725000:
return "GMRS CH22"
elif freq == 462725500:
return "GMRS CH23"
elif freq == 467575000:
return "GMRS CH24"
elif freq == 467600000:
return "GMRS CH25"
elif freq == 467625000:
return "GMRS CH26"
elif freq == 467650000:
return "GMRS CH27"
elif freq == 467675000:
return "GMRS CH28"
elif freq == 467700000:
return "FRS CH1"
elif freq == 462575000:
return "FRS CH2"
elif freq == 462600000:
return "FRS CH3"
elif freq == 462650000:
return "FRS CH5"
elif freq == 462675000:
return "FRS CH6"
elif freq == 462700000:
return "FRS CH7"
elif freq == 462725000:
return "FRS CH8"
elif freq == 462562500:
return "FRS CH9"
elif freq == 462587500:
return "FRS CH10"
elif freq == 462612500:
return "FRS CH11"
elif freq == 462637500:
return "FRS CH12"
elif freq == 462662500:
return "FRS CH13"
elif freq == 462687500:
return "FRS CH14"
elif freq == 462712500:
return "FRS CH15"
elif freq == 462737500:
return "FRS CH16"
elif freq == 146520000:
return "2M Simplex Calling"
elif freq == 446000000:
return "70cm Simplex Calling"
elif freq == 156800000:
return "Marine CH16"
else:
#return Mhz
freq = freq/1000000
return f"{freq} Mhz"
def get_sig_strength():
strength = get_hamlib('l STRENGTH')
return strength
def vox_callback(indata, frames, time, status):
if status:
logger.warning(f"RadioMon: VOX input status: {status}")
q.put(bytes(indata))
async def signalWatcher():
global previousStrength
global signalCycle
try:
signalStrength = int(get_sig_strength())
if signalStrength >= previousStrength and signalStrength > signalDetectionThreshold:
message = f"Detected {get_freq_common_name(get_hamlib('f'))} active. S-Meter:{signalStrength}dBm"
logger.debug(f"RadioMon: {message}. Waiting for {signalHoldTime} seconds")
previousStrength = signalStrength
signalCycle = 0
await asyncio.sleep(signalHoldTime)
return message
else:
signalCycle += 1
if signalCycle >= signalCycleLimit:
signalCycle = 0
previousStrength = -40
await asyncio.sleep(signalCooldown)
return None
except Exception as e:
signalStrength = -40
signalCycle = 0
previousStrength = -40
def make_vox_callback(loop, q):
def vox_callback(indata, frames, time, status):
if status:
logger.warning(f"RadioMon: VOX input status: {status}")
try:
loop.call_soon_threadsafe(q.put_nowait, bytes(indata))
except RuntimeError:
pass
return vox_callback
voxInputDevice = None
async def voxMonitor():
global previousVoxState, voxMsgQueue
try:
model = Model(lang="en-us")
device_info = sd.query_devices(voxInputDevice, 'input')
samplerate = 16000
logger.debug(f"RadioMon: VOX monitor started on device {device_info['name']} with samplerate {samplerate}")
rec = KaldiRecognizer(model, samplerate)
loop = asyncio.get_running_loop()
callback = make_vox_callback(loop, q)
with sd.RawInputStream(
device=voxInputDevice,
samplerate=samplerate,
blocksize=8000,
dtype='int16',
channels=1,
callback=callback
):
while True:
data = await q.get()
if rec.AcceptWaveform(data):
result = rec.Result()
text = json.loads(result).get("text", "")
if text and text != "huh":
logger.info(f"🎙Detected {voxDescription}: {text}")
voxMsgQueue.append(f"🎙Detected {voxDescription}: {text}")
await asyncio.sleep(0.5)
except Exception as e:
logger.error(f"RadioMon: Error in VOX monitor: {e}")
# end of file