eive-tmtc/pus_tc/devs/heater.py

60 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
"""
@file tmtcc_tc_heater.py
@brief Command sequence to test the HeaterHandler
@author J. Meier
@date 30.01.2021
"""
from tmtccmd.config.definitions import QueueCommands
from tmtccmd.tc.packer import TcQueueT
from spacepackets.ecss.tc import PusTelecommand
class SwitchNumbers:
HEATER_0 = 0
HEATER_1 = 1
HEATER_2 = 2
HEATER_3 = 3
HEATER_4 = 4
HEATER_5 = 5
HEATER_6 = 6
HEATER_7 = 7
NUMBER_OF_SWITCHES = 8
class ActionIds:
SWITCH_HEATER = bytearray([0x0, 0x0, 0x0, 0x0])
def pack_heater_test_into(object_id: bytearray, tc_queue: TcQueueT):
tc_queue.appendleft((QueueCommands.PRINT, "Testing Heater Switching"))
heater_number = int(input("Type number of heater to switch [0-7]: "))
if heater_number >= SwitchNumbers.NUMBER_OF_SWITCHES or heater_number < 0:
print("Invalid heater switch number")
return
action = int(input("Turn switch on or off? (0 - off, 1 - on): "))
if action != 0 and action != 1:
print("Invalid action defined. Must be 0 (off) or 1 (on")
debug_string = "Switching heater " + str(heater_number)
tc_queue.appendleft((QueueCommands.PRINT, debug_string))
command = pack_switch_heater_command(object_id, heater_number, action)
command = PusTelecommand(service=8, subservice=128, ssc=300, app_data=command)
tc_queue.appendleft(command.pack_command_tuple())
def pack_switch_heater_command(
object_id: bytearray, switch_nr: int, switch_action: int
) -> bytearray:
"""Function to generate the command switch a heater
@param object_id The object id of the HeaterHandler object.
@param switch_nr The switch number identifying the heater to switch
@param switch_action Action to perform. 0 - Sets switch off, 1 - Sets switch on.
"""
action_id = ActionIds.SWITCH_HEATER
command = bytearray()
command += object_id + action_id
command.append(switch_nr)
command.append(switch_action)
return command