152 lines
4.3 KiB
Python
152 lines
4.3 KiB
Python
import shutil
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import logging
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import threading
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import subprocess
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from telnetlib import Telnet
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from BotResources import *
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from time import sleep
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class GQRXHandler(threading.Thread):
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def __init__(self):
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super().__init__()
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self.GQRXDir: str = GQRX_BIN_LOCATION
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self.GQRXEXE: str = shutil.which(GQRX_BIN)
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self.GQRXProc = None
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self.logger = logging.getLogger("Discord_Radio_Bot.GQRXHandler")
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self.Frequency = None
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self.Mode = None
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self.Frequency = None
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self.Squelch = None
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self.Start_GQRX = False
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self.Stop_GQRX = False
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self.Output_Device_Name = None
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self.hostname = "localhost"
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self.port = 7356
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self.tel_conn = None
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self.open_gqrx()
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self.create_telnet_connection()
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def run(self) -> None:
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while True:
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if self.Start_GQRX:
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self.open_gqrx()
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self.Start_GQRX = False
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self.Stop_GQRX = False
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while not self.Stop_GQRX:
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sleep(1)
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self.close_gqrx()
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sleep(.5)
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def set_gqrx_parameters(self, _frequency: str = False, _start: bool = False, _stop: bool = False,
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_output_device_name: str = None, _fm_mode: str = None, _squelch: int = None,
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_hostname: str = None, _port: int = None):
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if _frequency:
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self.Frequency = _frequency
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if _output_device_name:
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self.Output_Device_Name = _output_device_name
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if _fm_mode:
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self.Mode = _fm_mode
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if _squelch:
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self.Squelch = _squelch
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if _hostname:
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self.hostname = _hostname
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self.Start_GQRX = True
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if _port:
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self.port = _port
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self.Start_GQRX = True
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if _start:
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self.Start_GQRX = _start
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if _stop:
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self.Stop_GQRX = _stop
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def open_gqrx(self):
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if self.GQRXProc is not None:
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self.close_gqrx()
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gqrx_kwargs = [f""]
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self.logger.info(f"Starting GQRX")
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self.logger.debug(f"GQRX Keyword Args: {gqrx_kwargs}")
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self.GQRXProc = subprocess.Popen(gqrx_kwargs, executable=self.GQRXEXE, shell=False, cwd=self.GQRXDir)
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def close_gqrx(self):
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self.logger.info(f"Closing GQRX")
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try:
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self.GQRXProc.kill()
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seconds_waited = 0
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while self.GQRXProc.poll() is None:
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# Terminate the process every 5 seconds
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if seconds_waited % 5 == 0:
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self.logger.info("Terminating GQRX")
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self.GQRXProc.terminate()
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sleep(1)
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self.logger.debug(f"Waited {seconds_waited} seconds")
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seconds_waited += 1
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except Exception as e:
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self.logger.error(e)
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def create_telnet_connection(self):
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self.logger.info("Creating connection")
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self.tel_conn = Telnet(self.hostname, self.port)
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self.tel_conn.open(self.hostname, self.port)
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def change_freq(self, freq):
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self.logger.debug(f"Changing freq to {freq}")
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self.tel_conn.write(bytes(f"F {int(freq)}", 'utf-8'))
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self.tel_conn.read_until(b'RPRT 0')
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def check_dsp(self):
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self.logger.debug(f"Checking if DSP is running on GQRX")
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self.tel_conn.write(bytes(f"u DSP", 'utf-8'))
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if self.tel_conn.read_some() == b"1":
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return True
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else:
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return False
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def start_dsp(self):
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self.logger.debug(f"Starting DSP on GQRX")
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self.tel_conn.write(bytes(f"U DSP 1", 'utf-8'))
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self.tel_conn.read_until(b'RPRT 0')
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def change_squelch(self, squelch):
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if not check_negative(squelch):
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squelch = float(-abs(squelch))
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self.logger.debug(f"Changing squelch to {squelch}")
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self.tel_conn.write(bytes(f"L SQL {float(squelch)}", 'utf-8'))
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self.tel_conn.read_until(b'RPRT 0')
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def change_mode(self, mode):
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self.logger.debug(f"Changing mode to {mode}")
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self.tel_conn.write(bytes(f"M {str(mode)}", 'utf-8'))
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self.tel_conn.read_until(b'RPRT 0')
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def set_all_settings(self, mode, squelch, freq):
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self.change_squelch(0)
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self.change_mode(mode)
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self.change_freq(freq)
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self.change_squelch(squelch)
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