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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2017,2019 Daniel Estevez <daniel@destevez.net>
#
# This file is part of gr-satellites
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
import datetime
from construct import *
from ..adapters import UNIXTimestampAdapter
from .csp import CSPHeader
Timestamp = UNIXTimestampAdapter(Int32sb)
class BatteryAdapter(Adapter):
def _encode(self, obj, context, path=None):
return int((obj - 4420) / 16.0)
def _decode(self, obj, context, path=None):
return obj * 16 + 4420
Battery = BatteryAdapter(Int8ub)
class CurrInAdapter(Adapter):
def _encode(self, obj, context, path=None):
return int(obj * 255.0 / 2700.0)
def _decode(self, obj, context, path=None):
return obj * 2700.0 / 255.0
CurrIn = CurrInAdapter(Int8ub)
class CurrOutAdapter(Adapter):
def _encode(self, obj, context, path=None):
return int(obj * 255.0 / 4000.0)
def _decode(self, obj, context, path=None):
return obj * 4000.0 / 255.0
CurrOut = CurrOutAdapter(Int8ub)
class Curr3Adapter(Adapter):
def _encode(self, obj, context, path=None):
return int(obj * 255.0 / 5500.0)
def _decode(self, obj, context, path=None):
return obj * 5500.0 / 255.0
Curr3 = Curr3Adapter(Int8ub)
class Curr5Adapter(Adapter):
def _encode(self, obj, context, path=None):
return int(obj * 255.0 / 4500.0)
def _decode(self, obj, context, path=None):
return obj * 4500.0 / 255.0
Curr5 = Curr5Adapter(Int8ub)
au03 = Struct(
'csp_header' / CSPHeader,
'timestamp' / Timestamp,
'callsign' / Bytes(6),
'flags' / Byte,
'batt_voltage' / Battery,
'current_in' / CurrIn,
'current_out' / CurrOut,
'rail3_current' / Curr3,
'rail5_current' / Curr5,
'com_temp' / Int8sb,
'eps_temp' / Int8sb,
'bat_temp' / Int8sb
)
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