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mirror of https://github.com/f4exb/sdrangel.git synced 2024-12-23 01:55:48 -05:00

Added options to the frequency tracker script to move the tracker to the expected beacon frequency

This commit is contained in:
f4exb 2019-08-22 20:15:36 +02:00
parent e12f4ed71b
commit 3154c15096

View File

@ -26,6 +26,8 @@ SDRANGEL_API_PORT = 8091
TRACKER_OFFSET = 0
TRACKER_DEVICE = 0
TRACKING_DICT = {}
TRACKER_FREQUENCY = None
XVTR_DEVICE = None
app = Flask(__name__)
@ -35,9 +37,11 @@ def getInputOptions():
# ----------------------------------------------------------------------
parser = argparse.ArgumentParser(description="Manages PTT from an SDRangel instance automatically")
parser.add_argument("-A", "--address", dest="addr", help="listening address (default 0.0.0.0)", metavar="IP", type=str)
parser.add_argument("-P", "--port", dest="port", help="listening port (default 8000)", metavar="PORT", type=int)
parser.add_argument("-P", "--port", dest="port", help="listening port (default 8888)", metavar="PORT", type=int)
parser.add_argument("-a", "--address-sdr", dest="sdrangel_address", help="SDRangel REST API address (defaults to calling address)", metavar="ADDRESS", type=str)
parser.add_argument("-p", "--port-sdr", dest="sdrangel_port", help="SDRangel REST API port (default 8091)", metavar="PORT", type=int)
parser.add_argument("-f", "--tracker-frequency", dest="tracker_frequency", help="Absolute frequency the tracker should aim at (Hz, optional)", metavar="FREQ", type=int)
parser.add_argument("-d", "--transverter-device", dest="transverter_device", help="Transverter device index to use for tracker frequency correction (optional)", metavar="DEVICE", type=int)
options = parser.parse_args()
@ -48,7 +52,7 @@ def getInputOptions():
if options.sdrangel_port == None:
options.sdrangel_port = 8091
return options.addr, options.port, options.sdrangel_address, options.sdrangel_port
return options.addr, options.port, options.sdrangel_address, options.sdrangel_port, options.tracker_frequency, options.transverter_device
# ======================================================================
def get_sdrangel_ip(request):
@ -78,7 +82,7 @@ def gen_dict_extract(key, var):
yield result
# ======================================================================
def update_frequency_setting(request_content, frequency):
def update_frequency_setting(request_content, frequency_key, frequency):
""" Finds the channel settings key that contains the inputFrequencyOffset key
and replace it with a single inputFrequencyOffset key with new frequency
"""
@ -86,11 +90,34 @@ def update_frequency_setting(request_content, frequency):
for k in request_content:
setting_item = request_content[k]
if isinstance(setting_item, dict):
if 'inputFrequencyOffset' in setting_item:
if frequency_key in setting_item:
setting_item.update({
'inputFrequencyOffset': frequency
frequency_key: frequency
})
# ======================================================================
def get_device_frequency(sdrangel_ip, sdrangel_port, device_index):
""" Obtain the device center frequency from either the settings or
the report
"""
# ----------------------------------------------------------------------
base_url = f'http://{sdrangel_ip}:{sdrangel_port}/sdrangel'
device_frequency = None
# get frequency from settings
r = requests.get(url=base_url + f'/deviceset/{device_index}/device/settings')
if r.status_code // 100 == 2:
device_content = r.json()
for freq in gen_dict_extract('centerFrequency', device_content):
device_frequency = freq
# get frequency from report
if device_frequency is None:
r = requests.get(url=base_url + f'/deviceset/{device_index}/device/report')
if r.status_code // 100 != 2:
return None
device_content = r.json()
for freq in gen_dict_extract('centerFrequency', device_content):
device_frequency = freq
return device_frequency
# ======================================================================
def adjust_channels(sdrangel_ip, sdrangel_port):
@ -107,7 +134,7 @@ def adjust_channels(sdrangel_ip, sdrangel_port):
tracking_item = TRACKING_DICT[k]
frequency_correction = TRACKER_OFFSET - tracking_item['trackerFrequency']
frequency = tracking_item['channelFrequency'] + frequency_correction
update_frequency_setting(tracking_item['requestContent'], frequency)
update_frequency_setting(tracking_item['requestContent'], 'inputFrequencyOffset', frequency)
r = requests.patch(url=base_url + f'/deviceset/{device_index}/channel/{channel_index}/settings', json=tracking_item['requestContent'])
if r.status_code // 100 != 2:
remove_keys.append(k)
@ -123,6 +150,44 @@ def adjust_channels(sdrangel_ip, sdrangel_port):
channel_index = k[1]
print(f'SDRangel: {sdrangel_ip}:{sdrangel_port} Removed {channel_type} [{device_index}:{channel_index}]')
# ======================================================================
def adjust_xvtr(sdrangel_ip, sdrangel_port, tracker_device_index, tracker_channel_index, tracker_content, tracker_offset):
""" Adjust transverter frequency so that the frequency tracker absolute frequency is loosely locked to the
carrier it is supposed to track
"""
# ----------------------------------------------------------------------
global TRACKER_OFFSET
base_url = f'http://{sdrangel_ip}:{sdrangel_port}/sdrangel'
correction = 0
tracker_device_frequency = get_device_frequency(sdrangel_ip, sdrangel_port, tracker_device_index)
# get correction from report
if tracker_device_frequency is None:
print(f'SDRangel::adjust_xvtr: {sdrangel_ip}:{SDRANGEL_API_PORT} get tracker device {tracker_device_index} frequency failed')
return
tracker_frequency = tracker_device_frequency + tracker_offset
correction = TRACKER_FREQUENCY - tracker_frequency
# do not correct if correction is too small
if correction > -1000 and correction < 1000:
return
# apply correction
r = requests.get(url=base_url + f'/deviceset/{XVTR_DEVICE}/device/settings')
if r.status_code // 100 != 2:
print(f'SDRangel::adjust_xvtr: {sdrangel_ip}:{SDRANGEL_API_PORT} get transverter device {XVTR_DEVICE} settings failed')
return
device_content = r.json()
for xvtr_freq in gen_dict_extract('transverterDeltaFrequency', device_content):
# device
update_frequency_setting(device_content, 'transverterDeltaFrequency', xvtr_freq + correction)
r = requests.patch(url=base_url + f'/deviceset/{XVTR_DEVICE}/device/settings', json=device_content)
if r.status_code // 100 != 2:
print(f'SDRangel::adjust_xvtr: {sdrangel_ip}:{SDRANGEL_API_PORT} transverter device {XVTR_DEVICE} adjust failed')
return
# tracker
TRACKER_OFFSET = tracker_offset + correction
update_frequency_setting(tracker_content, 'inputFrequencyOffset', tracker_offset + correction)
r = requests.patch(url=base_url + f'/deviceset/{tracker_device_index}/channel/{tracker_channel_index}/settings', json=tracker_content)
if r.status_code // 100 != 2:
print(f'SDRangel::adjust_xvtr: {sdrangel_ip}:{SDRANGEL_API_PORT} tracker [{tracker_device_index}:{tracker_channel_index}] adjust failed')
# ======================================================================
def register_channel(device_index, channel_index, channel_frequency, request_content):
@ -171,6 +236,8 @@ def channel_settings(deviceset_index, channel_index):
TRACKER_OFFSET = freq_offset
TRACKER_DEVICE = orig_device_index
adjust_channels(sdrangel_ip, SDRANGEL_API_PORT)
if TRACKER_FREQUENCY is not None and XVTR_DEVICE is not None: # optionally lock tracker to the beacon it is supposed to follow
adjust_xvtr(sdrangel_ip, SDRANGEL_API_PORT, orig_device_index, orig_channel_index, content, freq_offset)
else:
register_channel(orig_device_index, orig_channel_index, freq_offset, content)
print(f'SDRangel: {sdrangel_ip}:{SDRANGEL_API_PORT} {channel_type} [{orig_device_index}:{orig_channel_index}] at {freq_offset} Hz')
@ -183,7 +250,9 @@ def main():
# ----------------------------------------------------------------------
global SDRANGEL_API_ADDR
global SDRANGEL_API_PORT
addr, port, SDRANGEL_API_ADDR, SDRANGEL_API_PORT = getInputOptions()
global TRACKER_FREQUENCY
global XVTR_DEVICE
addr, port, SDRANGEL_API_ADDR, SDRANGEL_API_PORT, TRACKER_FREQUENCY, XVTR_DEVICE = getInputOptions()
print(f'main: starting at: {addr}:{port}')
app.run(debug=True, host=addr, port=port)