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qo100_datv.py: move all logic to a class. Apply pylint

This commit is contained in:
f4exb 2022-11-19 12:14:51 +01:00
parent d355d0b2ae
commit b11e7ba4cd

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@ -3,15 +3,17 @@
Quick control of configuration for receiving QO-100 DATV
"""
import requests, traceback, sys, json, time
from optparse import OptionParser
import traceback
import sys
from optparse import OptionParser # pylint: disable=deprecated-module
import requests
import sdrangel
base_url_pattern = "http://{0}/sdrangel"
base_url = None
BASE_URL_PATTERN = "http://{0}/sdrangel"
BASE_URL = None
# ======================================================================
def getInputOptions():
def get_input_options():
""" Parse options """
# ----------------------------------------------------------------------
parser = OptionParser(usage="usage: %%prog [-t]\n")
@ -37,115 +39,122 @@ def getInputOptions():
return options
# ======================================================================
def change_center_frequency(content, new_frequency):
""" Change center frequency searching recursively """
# ----------------------------------------------------------------------
for k in content:
if isinstance(content[k], dict):
change_center_frequency(content[k], new_frequency)
elif k == "centerFrequency":
content[k] = new_frequency
class Controller:
""" Controller main class """
def __init__(self):
self.device_hwid = None
# ======================================================================
def change_decim(content, new_decim):
""" Change log2 decimation searching recursively """
# ----------------------------------------------------------------------
for k in content:
if isinstance(content[k], dict):
change_decim(content[k], new_decim)
elif k == "log2Decim":
content[k] = new_decim
# ======================================================================
def change_rfbw(content, new_rfbw):
""" Change RF bandwidth searching recursively """
# ----------------------------------------------------------------------
for k in content:
if isinstance(content[k], dict):
change_rfbw(content[k], new_rfbw)
elif k == "rfBandwidth":
content[k] = new_rfbw
# ======================================================================
def change_center_frequency(self, content, new_frequency):
""" Change center frequency searching recursively """
# ----------------------------------------------------------------------
for k in content:
if isinstance(content[k], dict):
self.change_center_frequency(content[k], new_frequency)
elif k == "centerFrequency":
content[k] = new_frequency
# ======================================================================
def change_symbol_rate(content, new_symbol_rate):
""" Change symbol rate searching recursively """
# ----------------------------------------------------------------------
for k in content:
if isinstance(content[k], dict):
change_symbol_rate(content[k], new_symbol_rate)
elif k == "symbolRate":
content[k] = new_symbol_rate
# ======================================================================
def change_decim(self, content, new_decim):
""" Change log2 decimation searching recursively """
# ----------------------------------------------------------------------
for k in content:
if isinstance(content[k], dict):
self.change_decim(content[k], new_decim)
elif k == "log2Decim":
content[k] = new_decim
# ======================================================================
def get_device_sr_and_decim(hwtype, settings):
""" Return device sample rate and decimation """
# ----------------------------------------------------------------------
if hwtype == "Airspy" or hwtype == "AirspyHF":
sr_index = settings.get("devSampleRateIndex", 0)
if sr_index == 1:
sr = 3000000
# ======================================================================
def change_rfbw(self, content, new_rfbw):
""" Change RF bandwidth searching recursively """
# ----------------------------------------------------------------------
for k in content:
if isinstance(content[k], dict):
self.change_rfbw(content[k], new_rfbw)
elif k == "rfBandwidth":
content[k] = new_rfbw
# ======================================================================
def change_symbol_rate(self, content, new_symbol_rate):
""" Change symbol rate searching recursively """
# ----------------------------------------------------------------------
for k in content:
if isinstance(content[k], dict):
self.change_symbol_rate(content[k], new_symbol_rate)
elif k == "symbolRate":
content[k] = new_symbol_rate
# ======================================================================
def get_device_sr_and_decim(self, hwtype, settings):
""" Return device sample rate and decimation """
# ----------------------------------------------------------------------
if hwtype == "Airspy" or hwtype == "AirspyHF":
sr_index = settings.get("devSampleRateIndex", 0)
if sr_index == 1:
sr = 3000000
else:
sr = 6000000
log2_decim = settings.get("log2Decim", 0)
else:
sr = 6000000
log2_decim = settings.get("log2Decim", 0)
else:
sr = settings.get("devSampleRate", 0)
log2_decim = settings.get("log2Decim", 0)
return sr, 1<<log2_decim
sr = settings.get("devSampleRate", 0)
log2_decim = settings.get("log2Decim", 0)
return sr, 1<<log2_decim
# ======================================================================
def calc_decim(device_sr, symbol_rate):
""" Calculate ideal decimation and return as log2 """
# ----------------------------------------------------------------------
quot = device_sr // (2*symbol_rate*1000)
for i in range(6):
if quot < 1<<i:
break
return 0 if i < 1 else i - 1
# ======================================================================
@staticmethod
def calc_decim(device_sr, symbol_rate):
""" Calculate ideal decimation and return as log2 """
# ----------------------------------------------------------------------
quot = device_sr // (2*symbol_rate*1000)
for i in range(6):
if quot < 1<<i:
break
return 0 if i < 1 else i - 1
# ======================================================================
def set_device(options):
""" Set the device """
# ----------------------------------------------------------------------
device_settings_url = f"{base_url}/deviceset/{options.device_index}/device/settings"
r = requests.get(url=device_settings_url)
if r.status_code // 100 == 2: # OK
rj = r.json()
hwtype = rj.get("deviceHwType", None)
device_settings = rj.get(sdrangel.DEVICE_TYPES[hwtype]["settings"], None)
device_sr, device_decim = get_device_sr_and_decim(hwtype, device_settings)
new_decim = calc_decim(device_sr, options.symbol_rate)
print(f"sr: {device_sr} S/s decim: {device_decim} new decim: {1<<new_decim}")
if not options.no_decim:
change_decim(rj, new_decim)
change_center_frequency(rj, options.frequency*1000)
r = requests.patch(url=device_settings_url, json=rj)
if r.status_code / 100 == 2:
print(f'set_device: changed #{options.device_index}: frequency: {options.frequency} kHz log2Decim: {new_decim} No decim: {options.no_decim}')
# ======================================================================
def set_device(self, options):
""" Set the device """
# ----------------------------------------------------------------------
device_settings_url = f"{BASE_URL}/deviceset/{options.device_index}/device/settings"
r = requests.get(url=device_settings_url, timeout=10)
if r.status_code // 100 == 2: # OK
rj = r.json()
hwtype = rj.get("deviceHwType", None)
device_settings = rj.get(sdrangel.DEVICE_TYPES[hwtype]["settings"], None)
device_sr, device_decim = self.get_device_sr_and_decim(hwtype, device_settings)
new_decim = self.calc_decim(device_sr, options.symbol_rate)
print(f"sr: {device_sr} S/s decim: {device_decim} new decim: {1<<new_decim}")
if not options.no_decim:
self.change_decim(rj, new_decim)
self.change_center_frequency(rj, options.frequency*1000)
r = requests.patch(url=device_settings_url, json=rj, timeout=10)
if r.status_code / 100 == 2:
print(f'set_device: changed #{options.device_index}: frequency: {options.frequency} kHz log2Decim: {new_decim} No decim: {options.no_decim}')
else:
raise RuntimeError(f'set_device: failed to change device {options.device_index} with error {r.status_code}')
else:
raise RuntimeError(f'set_device: failed to change device {options.device_index} with error {r.status_code}')
else:
raise RuntimeError(f"Cannot get device info for device set index {options.device_index} HTTP return code {r.status_code}")
raise RuntimeError(f"Cannot get device info for device set index {options.device_index} HTTP return code {r.status_code}")
# ======================================================================
def set_channel(options):
""" Set the channel - assume DATV demod """
# ----------------------------------------------------------------------
channel_settings_url = f"{base_url}/deviceset/{options.device_index}/channel/{options.channel_index}/settings"
r = requests.get(url=channel_settings_url)
if r.status_code // 100 == 2: # OK
rj = r.json()
rfbw = round(1.5*options.symbol_rate)*1000
change_center_frequency(rj, 0)
change_rfbw(rj, rfbw)
change_symbol_rate(rj, options.symbol_rate*1000)
r = requests.patch(url=channel_settings_url, json=rj)
if r.status_code / 100 == 2:
print(f'set_channel: changed {options.device_index}:{options.channel_index}: rfbw: {rfbw} Hz symbol rate: {options.symbol_rate} kS/s')
# ======================================================================
def set_channel(self, options):
""" Set the channel - assume DATV demod """
# ----------------------------------------------------------------------
channel_settings_url = f"{BASE_URL}/deviceset/{options.device_index}/channel/{options.channel_index}/settings"
r = requests.get(url=channel_settings_url, timeout=10)
if r.status_code // 100 == 2: # OK
rj = r.json()
rfbw = round(1.5*options.symbol_rate)*1000
self.change_center_frequency(rj, 0)
self.change_rfbw(rj, rfbw)
self.change_symbol_rate(rj, options.symbol_rate*1000)
r = requests.patch(url=channel_settings_url, json=rj, timeout=10)
if r.status_code / 100 == 2:
print(f'set_channel: changed {options.device_index}:{options.channel_index}: rfbw: {rfbw} Hz symbol rate: {options.symbol_rate} kS/s')
else:
raise RuntimeError(f'set_device: failed to change channel {options.device_index}:{options.channel_index} with error {r.status_code}')
else:
raise RuntimeError(f'set_device: failed to change channel {options.device_index}:{options.channel_index} with error {r.status_code}')
else:
raise RuntimeError(f"Cannot get channel info for channel {options.device_index}:{options.channel_index} HTTP return code {r.status_code}")
raise RuntimeError(f"Cannot get channel info for channel {options.device_index}:{options.channel_index} HTTP return code {r.status_code}")
# ======================================================================
@ -153,16 +162,18 @@ def main():
""" Main program """
# ----------------------------------------------------------------------
try:
options = getInputOptions()
options = get_input_options()
global base_url
base_url = base_url_pattern.format(options.address)
global BASE_URL # pylint: disable=global-statement
BASE_URL = BASE_URL_PATTERN.format(options.address)
print(f"Frequency: 10{options.frequency/1000} MHz Symbol rate: {options.symbol_rate} kS/s")
set_device(options)
set_channel(options)
controller = Controller()
controller.set_device(options)
controller.set_channel(options)
except Exception as ex:
except Exception as ex: # pylint: disable=broad-except
tb = traceback.format_exc()
print(f"Exception caught {ex}")
print(tb, file=sys.stderr)
# ======================================================================