FreeDATA/modem/state_manager.py
2023-11-17 16:35:52 -05:00

66 lines
2.1 KiB
Python

import time
import ujson as json
class STATES:
def __init__(self, statequeue):
# state related settings
self.statequeue = statequeue
self.newstate = None
self.last = time.time()
# modem related states
# not every state is needed to publish, yet
# TODO can we reduce them?
self.channel_busy = False
self.channel_busy_slot = [False, False, False, False, False]
self.is_codec2_traffic = False
self.is_modem_running = False
self.is_modem_busy = False
self.is_beacon_running = False
self.is_arq_state = False
self.is_arq_session = False
self.is_transmitting = False
self.arq_session_state = 'disconnected'
self.audio_dbfs = 0
self.dxcallsign: bytes = b"ZZ9YY-0"
self.dxgrid: bytes = b"------"
self.radio_frequency = 0
self.radio_mode = None
self.radio_bandwidth = 0
self.radio_rf_power = 0
def sendState (self):
currentState = self.getAsJSON(False)
self.statequeue.put(currentState)
return currentState
def sendStateUpdate (self):
self.statequeue.put(self.newstate)
def set(self, key, value):
setattr(self, key, value)
# only process data if changed
# but also send an update if more than a 'updateCadence' second(s) has lapsed
# Otherwise GUI can't tell if modem is active due to lack of state messages on startup
new_state = self.getAsJSON(True)
if new_state != self.newstate:
self.newstate = new_state
self.sendStateUpdate()
def getAsJSON(self, isChangedState):
msgtype = "state-change"
if (not isChangedState):
msgtype = "state"
return json.dumps({
"freedata-message": msgtype,
"channel_busy": self.channel_busy,
"is_codec2_traffic": self.is_codec2_traffic,
"is_modem_running": self.is_modem_running,
"is_beacon_running": self.is_beacon_running,
})