mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-23 01:55:48 -05:00
194 lines
9.4 KiB
Python
Executable File
194 lines
9.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# pylint: disable=line-too-long
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"""
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Quick control of configuration for receiving QO-100 DATV
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"""
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import traceback
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import sys
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from optparse import OptionParser # pylint: disable=deprecated-module
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import requests
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import sdrangel
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BASE_URL_PATTERN = "http://{0}/sdrangel"
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BASE_URL = None
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# ======================================================================
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def get_input_options():
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""" Parse options """
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# ----------------------------------------------------------------------
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parser = OptionParser(usage="usage: %%prog [-t]\n")
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parser.add_option("-a", "--address", dest="address", help="Address and port. Default: 127.0.0.1:8091", metavar="ADDRESS", type="string")
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parser.add_option("-d", "--device", dest="device_index", help="Index of device set. Default 0", metavar="INT", type="int")
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parser.add_option("-c", "--channel", dest="channel_index", help="Index of DATV demod channel. Default 0", metavar="INT", type="int")
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parser.add_option("-f", "--frequency", dest="frequency", help="Device center frequency (kHz). Mandatory", metavar="INT", type="int")
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parser.add_option("-s", "--symbol-rate", dest="symbol_rate", help="Symbol rate (kS/s). Mandatory", metavar="INT", type="int")
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parser.add_option("-n", "--no-decim", dest="no_decim", help="Do not change decimation", action="store_true")
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(options, args) = parser.parse_args()
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if options.address is None:
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options.address = "127.0.0.1:8091"
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if options.device_index is None:
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options.device_index = 0
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if options.channel_index is None:
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options.channel_index = 0
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if options.frequency is None:
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raise RuntimeError("Frequency (-f or --frequency) is mandatory")
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if options.symbol_rate is None:
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raise RuntimeError("Symbol rate (-s or --symbol-rate) is mandatory")
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return options
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class Controller:
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""" Controller main class """
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def __init__(self, options):
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self.options = options
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self.device_hwtype = None
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# ======================================================================
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def change_device_center_frequency(self, content, new_frequency):
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""" Change device center frequency searching recursively """
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# ----------------------------------------------------------------------
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for k in content:
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if isinstance(content[k], dict):
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self.change_device_center_frequency(content[k], new_frequency)
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elif k == sdrangel.DEVICE_TYPES[self.device_hwtype]["cf_key"]:
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content[k] = new_frequency
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# ======================================================================
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def change_decim(self, content, new_decim):
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""" Change device log2 decimation searching recursively """
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# ----------------------------------------------------------------------
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for k in content:
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if isinstance(content[k], dict):
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self.change_decim(content[k], new_decim)
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elif k == sdrangel.DEVICE_TYPES[self.device_hwtype]["decim_key"]:
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content[k] = new_decim
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# ======================================================================
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def change_channel_center_frequency(self, content, new_frequency):
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""" Change DATV channel center frequency searching recursively """
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# ----------------------------------------------------------------------
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for k in content:
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if isinstance(content[k], dict):
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self.change_channel_center_frequency(content[k], new_frequency)
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elif k == "centerFrequency":
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content[k] = new_frequency
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# ======================================================================
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def change_rfbw(self, content, new_rfbw):
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""" Change DATV channel RF bandwidth searching recursively """
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# ----------------------------------------------------------------------
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for k in content:
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if isinstance(content[k], dict):
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self.change_rfbw(content[k], new_rfbw)
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elif k == "rfBandwidth":
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content[k] = new_rfbw
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# ======================================================================
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def change_symbol_rate(self, content, new_symbol_rate):
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""" Change DATV channel symbol rate searching recursively """
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# ----------------------------------------------------------------------
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for k in content:
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if isinstance(content[k], dict):
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self.change_symbol_rate(content[k], new_symbol_rate)
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elif k == "symbolRate":
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content[k] = new_symbol_rate
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# ======================================================================
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def get_device_sr_and_decim(self, hwtype, settings):
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""" Return device sample rate and decimation """
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# ----------------------------------------------------------------------
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decim_key = sdrangel.DEVICE_TYPES[self.device_hwtype]["decim_key"]
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if hwtype in ("Airspy", "AirspyHF"):
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sr_index = settings.get("devSampleRateIndex", 0)
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if sr_index == 1:
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sr = 3000000
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else:
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sr = 6000000
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log2_decim = settings.get(decim_key, 0)
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else:
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sr = settings.get("devSampleRate", 0)
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log2_decim = settings.get(decim_key, 0)
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return sr, 1<<log2_decim
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# ======================================================================
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@staticmethod
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def calc_decim(device_sr, symbol_rate):
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""" Calculate ideal decimation and return as log2 """
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# ----------------------------------------------------------------------
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quot = device_sr // (2*symbol_rate*1000)
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for i in range(6):
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if quot < 1<<i:
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break
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return 0 if i < 1 else i - 1
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# ======================================================================
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def set_device(self):
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""" Set the device """
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# ----------------------------------------------------------------------
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device_settings_url = f"{BASE_URL}/deviceset/{self.options.device_index}/device/settings"
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r = requests.get(url=device_settings_url, timeout=10)
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if r.status_code // 100 == 2: # OK
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rj = r.json()
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self.device_hwtype = rj.get("deviceHwType", None)
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device_settings = rj.get(sdrangel.DEVICE_TYPES[self.device_hwtype]["settings"], None)
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device_sr, device_decim = self.get_device_sr_and_decim(self.device_hwtype, device_settings)
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new_decim = self.calc_decim(device_sr, self.options.symbol_rate)
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print(f"sr: {device_sr} S/s decim: {device_decim} new decim: {1<<new_decim}")
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if not self.options.no_decim:
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self.change_decim(rj, new_decim)
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self.change_device_center_frequency(rj, self.options.frequency*1000)
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r = requests.patch(url=device_settings_url, json=rj, timeout=10)
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if r.status_code / 100 == 2:
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print(f'set_device: changed #{self.options.device_index}: frequency: {self.options.frequency} kHz log2Decim: {new_decim} No decim: {self.options.no_decim}')
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else:
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raise RuntimeError(f'set_device: failed to change device {self.options.device_index} with error {r.status_code}')
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else:
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raise RuntimeError(f"Cannot get device info for device set index {self.options.device_index} HTTP return code {r.status_code}")
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# ======================================================================
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def set_channel(self):
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""" Set the channel - assume DATV demod """
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# ----------------------------------------------------------------------
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channel_settings_url = f"{BASE_URL}/deviceset/{self.options.device_index}/channel/{self.options.channel_index}/settings"
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r = requests.get(url=channel_settings_url, timeout=10)
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if r.status_code // 100 == 2: # OK
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rj = r.json()
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rfbw = round(1.5*self.options.symbol_rate)*1000
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self.change_channel_center_frequency(rj, 0)
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self.change_rfbw(rj, rfbw)
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self.change_symbol_rate(rj, self.options.symbol_rate*1000)
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r = requests.patch(url=channel_settings_url, json=rj, timeout=10)
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if r.status_code / 100 == 2:
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print(f'set_channel: changed {self.options.device_index}:{self.options.channel_index}: rfbw: {rfbw} Hz symbol rate: {self.options.symbol_rate} kS/s')
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else:
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raise RuntimeError(f'set_device: failed to change channel {self.options.device_index}:{self.options.channel_index} with error {r.status_code}')
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else:
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raise RuntimeError(f"Cannot get channel info for channel {self.options.device_index}:{self.options.channel_index} HTTP return code {r.status_code}")
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# ======================================================================
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def main():
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""" Main program """
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# ----------------------------------------------------------------------
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try:
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options = get_input_options()
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global BASE_URL # pylint: disable=global-statement
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BASE_URL = BASE_URL_PATTERN.format(options.address)
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print(f"Frequency: 10{options.frequency/1000} MHz Symbol rate: {options.symbol_rate} kS/s")
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controller = Controller(options)
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controller.set_device()
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controller.set_channel()
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except Exception as ex: # pylint: disable=broad-except
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tb = traceback.format_exc()
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print(f"Exception caught {ex}")
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print(tb, file=sys.stderr)
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# ======================================================================
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if __name__ == "__main__":
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main()
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