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import json
import os
"""
Handles the DoA DSP settings
Project: Kraken DoA DSP
Author : Tamas Peto
"""
root_path = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
settings_file_path = os.path.join(root_path,"settings.json")
settings_found =False
if os.path.exists(settings_file_path):
settings_found = True
with open(settings_file_path, 'r') as myfile:
settings=json.loads(myfile.read())
# DAQ Configuration
center_freq = settings.get("center_freq", 100.0)
uniform_gain = settings.get("uniform_gain", 1.4)
data_interface = settings.get("data_interface", "eth")
default_ip = settings.get("default_ip", "0.0.0.0")
# PR Paramaters
en_pr = settings.get("en_pr", 0)
clutter_cancel_algo = settings.get("clutter_cancel_algo", "Wiener MRE")
max_bistatic_range = settings.get("max_bistatic_range", 128)
max_doppler = settings.get("max_doppler", 256)
en_pr_persist = settings.get("en_pr_persist", 1)
pr_persist_decay = settings.get("pr_persist_decay", 0.99)
pr_dynrange_min = settings.get("pr_dynrange_min", -20)
pr_dynrange_max = settings.get("pr_dynrange_max", 100)
#ant_arrangement = settings.get("ant_arrangement", "ULA")
#ant_spacing = settings.get("ant_spacing", 0.5)
#doa_method = settings.get("doa_method", "MUSIC")
#en_fbavg = settings.get("en_fbavg", 0)
#compass_offset = settings.get("compass_offset", 0)
#doa_fig_type = settings.get("doa_fig_type", "Linear plot")
# DSP misc
#en_squelch = settings.get("en_squelch", 0)
#squelch_threshold_dB = settings.get("squelch_threshold_dB", 0.0)
# Web Interface
en_hw_check = settings.get("en_hw_check", 0)
en_advanced_daq_cfg = settings.get("en_advanced_daq_cfg", 0)
logging_level = settings.get("logging_level", 0)
disable_tooltips = settings.get("disable_tooltips", 0)
# Check and correct if needed
#if not ant_arrangement in ["ULA", "UCA"]:
# ant_arrangement="ULA"
#doa_method_dict = {"Bartlett":0, "Capon":1, "MEM":2, "MUSIC":3}
#if not doa_method in doa_method_dict:
# doa_method = "MUSIC"
#doa_fig_type_dict = {"Linear plot":0, "Polar plot":1, "Compass":2}
#if not doa_fig_type in doa_fig_type_dict:
# doa_gfig_type="Linear plot"
def write(data = None):
if data is None:
data = {}
# DAQ Configuration
data["center_freq"] = center_freq
data["uniform_gain"] = uniform_gain
data["data_interface"] = data_interface
data["default_ip"] = default_ip
# DOA Estimation
data["en_pr"] = en_pr
data["clutter_cancel_algo"] = clutter_cancel_algo
data["max_bistatic_range"] = max_bistatic_range
data["max_doppler"] = max_doppler
data["en_pr_persist"] = en_pr_persist
data["pr_persist_decay"] = pr_persist_decay
data["pr_dynrange_min"] = pr_dynrange_min
data["pr_dynrange_max"] = pr_dynrange_max
#data["ant_arrangement"] = ant_arrangement
#data["ant_spacing"] = ant_spacing
#data["doa_method"] = doa_method
#data["en_fbavg"] = en_fbavg
#data["compass_offset"] = compass_offset
#data["doa_fig_tpye"] = doa_fig_type
# DSP misc
#data["en_squelch"] = en_squelch
#data["squelch_threshold_dB"] = squelch_threshold_dB
# Web Interface
data["en_hw_check"] = en_hw_check
data["en_advanced_daq_cfg"] = en_advanced_daq_cfg
data["logging_level"] = logging_level
data["disable_tooltips"] = disable_tooltips
with open(settings_file_path, 'w') as outfile:
json.dump(data, outfile)
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