89 lines
2.3 KiB
Python
89 lines
2.3 KiB
Python
import threading
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import subprocess
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import asyncio
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import os
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import time
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class OP25Handler(threading.Thread):
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def __init__(self):
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super().__init__()
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self.OP25Dir: str = "/home/pi/op25/op25/gr-op25_repeater/apps"
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self.OP25Proc = None
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self.Frequency = None
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self.HTTP_ENABLED = False
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self.Start_OP25 = False
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self.Stop_OP25 = False
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def run(self) -> None:
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while True:
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if self.Start_OP25:
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self.open_op25()
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self.Start_OP25 = False
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self.Stop_OP25 = False
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while not self.Stop_OP25:
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time.sleep(1)
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self.close_op25()
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time.sleep(.5)
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def set_op25_parameters(self, _frequency: str = False, _http_enabled: bool = True, _start: bool = False, _stop: bool = False):
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if _frequency:
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self.Frequency = _frequency
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if _start:
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self.Start_OP25 = _start
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if _stop:
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self.Stop_OP25 = _stop
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if _http_enabled:
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self.HTTP_ENABLED = _http_enabled
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def open_op25(self):
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if self.OP25Proc is not None:
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self.close_op25()
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p25_kwargs = "./rx.py", "--args", "rtl", "-N", "LNA:49", "-s", "200000", "-o", "25600", "-U", "-f",\
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f"{self.Frequency}e6", "-X", "-2"
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p25_stdout = subprocess.DEVNULL
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p25_stderr = subprocess.STDOUT
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print(f"Starting OP25")
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# Change the interpreter's working directory (idr why)
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cwd = os.getcwd()
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os.chdir(self.OP25Dir)
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if self.HTTP_ENABLED:
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p25_kwargs += "-l", "http:0.0.0.0:8080"
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p25_stdout = subprocess.STDOUT
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self.OP25Proc = subprocess.Popen(p25_kwargs, shell=False, stdout=p25_stdout, stderr=p25_stderr)
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os.chdir(cwd)
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def close_op25(self):
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print(f"Closing OP25")
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try:
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self.OP25Proc.kill()
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seconds_waited = 0
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while self.OP25Proc.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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print("Terminating OP25")
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self.OP25Proc.terminate()
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time.sleep(1)
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print(f"Waited {seconds_waited} seconds")
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seconds_waited += 1
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except Exception as e:
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print(e)
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