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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
#
from construct import *
Mode = Enum(
Int8ub,
Otherwise=0,
MissionMode=1,
)
class BatVoltageAdapter(Adapter):
def _encode(self, obj, context, path=None):
return int((obj - 3.0) * 20.0)
def _decode(self, obj, context, path=None):
return obj / 20.0 + 3.0
BatVoltage = BatVoltageAdapter(Int8ub)
class BatCurrentAdapter(Adapter):
def _encode(self, obj, context, path=None):
return int((obj + 1.0) * 127.0)
def _decode(self, obj, context, path=None):
return obj / 127.0 - 1.0
BatCurrent = BatCurrentAdapter(Int8ub)
class BusCurrentAdapter(Adapter):
def _encode(self, obj, context, path=None):
return int(obj * 40.0)
def _decode(self, obj, context, path=None):
return obj / 40.0
BusCurrent = BusCurrentAdapter(Int8ub)
class TempAdapter(Adapter):
def _encode(self, obj, context, path=None):
return int((obj + 15.0) * 4.0)
def _decode(self, obj, context, path=None):
return obj / 4.0 - 15.0
Temp = TempAdapter(Int8ub)
SpacecraftMode = Enum(
Int8ub,
GndDebug=0,
Initial=1,
Commissioning=2,
Mission=3,
Comm=4,
Powersafe=17,
Detumble=18,
Debug=19,
Standby=32,
)
kr01 = Struct(
'header' / Bytes(0x23),
'mode' / Mode,
'batvoltage' / BatVoltage,
'batcurrent' / BatCurrent,
'3v3buscurrent' / BusCurrent,
'5vbuscurrent' / BusCurrent,
'tempcomm' / Temp,
'tempeps' / Temp,
'tempbattery' / Temp,
'spacecraftmode' / SpacecraftMode
)
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