fsfw-example-tmtc-common/pus_tc/pus_11_tc_sched.py
2022-08-17 17:23:02 +02:00

185 lines
6.4 KiB
Python

import struct
import time
from datetime import timedelta
from spacepackets.ecss.tc import PusTelecommand
from tmtccmd.config import TmtcDefinitionWrapper
from tmtccmd.config.tmtc import OpCodeEntry
from tmtccmd.pus.pus_17_test import pack_service_17_ping_command
from tmtccmd.pus.pus_11_tc_sched import TypeOfTimeWindow, Subservices, TcSchedReqId
from tmtccmd.tc.pus_11_tc_sched import (
generate_enable_tc_sched_cmd,
generate_disable_tc_sched_cmd,
generate_reset_tc_sched_cmd,
pack_time_tagged_tc_app_data,
)
from tmtccmd.tc.queue import DefaultPusQueueHelper
class OpCodes:
ENABLE = ["0", "enable"]
DISABLE = ["1", "disable"]
RESET = ["2", "reset"]
TEST_INSERT = ["12", "test-insert"]
TEST_DELETE = ["13", "test-del"]
TEST_RESET = ["14", "test-clear"]
class Info:
ENABLE = "Enable TC scheduling"
DISABLE = "Disable TC scheduling"
RESET = "Reset TC scheduling"
TEST_INSERT = "Test TC scheduling insertion"
TEST_DELETE = "Test TC scheduling deletion"
TEST_RESET = "Test TC scheduling reset command"
def add_tc_sched_cmds(cmd_dict: TmtcDefinitionWrapper):
op_code_entry = OpCodeEntry()
op_code_entry.add(keys=OpCodes.ENABLE, info=Info.ENABLE)
op_code_entry.add(keys=OpCodes.DISABLE, info=Info.DISABLE)
op_code_entry.add(keys=OpCodes.RESET, info=Info.RESET)
op_code_entry.add(keys=OpCodes.TEST_INSERT, info=Info.TEST_INSERT)
op_code_entry.add(keys=OpCodes.TEST_DELETE, info=Info.TEST_DELETE)
op_code_entry.add(keys=OpCodes.TEST_RESET, info=Info.TEST_RESET)
cmd_dict.add_service(
"11", info="PUS Service 11 TC Scheduling", op_code_entry=op_code_entry
)
def __generic_pack_three_time_tagged_cmds(q: DefaultPusQueueHelper):
q.add_log_cmd("Testing Time-Tagged Command insertion")
q.add_pus_tc(generate_enable_tc_sched_cmd())
current_time = int(round(time.time()))
# these TC[17,1] (ping commands) shall be inserted
ping_tcs = [
pack_service_17_ping_command(),
pack_service_17_ping_command(),
pack_service_17_ping_command(),
]
for idx, tc in enumerate(ping_tcs):
release_time = current_time + (idx + 2) * 5
q.add_pus_tc(
PusTelecommand(
service=11,
subservice=Subservices.TC_INSERT,
app_data=pack_time_tagged_tc_app_data(
struct.pack("!I", release_time), tc
),
)
)
q.add_wait(timedelta(seconds=25.0))
def pack_service_11_commands(op_code: str, q: DefaultPusQueueHelper):
if op_code in OpCodes.TEST_INSERT:
q.add_log_cmd("Testing Time-Tagged Command deletion")
__generic_pack_three_time_tagged_cmds(q=q)
if op_code in OpCodes.TEST_DELETE:
current_time = int(round(time.time()))
tc_to_schedule = pack_service_17_ping_command()
q.add_pus_tc(
PusTelecommand(
service=11,
subservice=Subservices.TC_INSERT,
app_data=pack_time_tagged_tc_app_data(
struct.pack("!I", current_time + 20), tc_to_schedule
),
)
)
q.add_pus_tc(
PusTelecommand(
service=11,
subservice=Subservices.TC_DELETE,
app_data=pack_delete_corresponding_tc_app_data(tc=tc_to_schedule),
)
)
if op_code in OpCodes.ENABLE:
q.add_log_cmd("Enabling TC scheduler")
q.add_pus_tc(generate_enable_tc_sched_cmd())
if op_code in OpCodes.DISABLE:
q.add_log_cmd("Disabling TC scheduler")
q.add_pus_tc(generate_disable_tc_sched_cmd())
if op_code in OpCodes.RESET:
q.add_log_cmd("Reset TC scheduler")
q.add_pus_tc(generate_reset_tc_sched_cmd())
if op_code in OpCodes.TEST_RESET:
q.add_log_cmd("Testing Reset command")
__generic_pack_three_time_tagged_cmds(q)
q.add_pus_tc(generate_reset_tc_sched_cmd())
# a TC[11,5] for 3rd inserted ping TC
# TODO: This should be an independent test
# a TC[11,6] for some other previously inserted TCs
# service_11_6_tc = build_filter_delete_tc(TypeOfTimeWindow.FROM_TIMETAG_TO_TIMETAG,
# current_time+45, current_time+55)
# tc_queue.appendleft(service_11_6_tc.pack_command_tuple())
# TODO: This should be an independent test
# a TC[11,7] for another previously inserted TC
# service_11_7_tc = build_corresponding_timeshift_tc(30, ping_tc_4)
# tc_queue.appendleft(service_11_7_tc.pack_command_tuple())
# TODO: This should be an independent test
# a TC[11,8] with offset time of 20s
# service_11_8_tc = build_filter_timeshift_tc(
# 20,
# TypeOfTimeWindow.FROM_TIMETAG_TO_TIMETAG,
# current_time + 45,
# current_time + 55,
# )
# tc_queue.appendleft((service_11_8_tc.pack_command_tuple()))
def pack_delete_corresponding_tc_app_data(tc: PusTelecommand) -> bytes:
return TcSchedReqId.build_from_tc(tc).pack()
def build_filter_delete_tc(
time_window_type: TypeOfTimeWindow, *timestamps: int
) -> PusTelecommand:
app_data = bytearray()
app_data.extend(struct.pack("!I", int(time_window_type)))
if time_window_type != TypeOfTimeWindow.SELECT_ALL:
for timestamp in timestamps:
app_data.extend(struct.pack("!I", timestamp))
return PusTelecommand(service=11, subservice=6, app_data=app_data)
def pack_corresponding_timeshift_app_data(
time_delta: bytes, tc: PusTelecommand, ssc: int
) -> bytes:
req_id = TcSchedReqId.build_from_tc(tc)
app_data = bytearray()
app_data.extend(time_delta)
app_data.extend(req_id.pack())
return app_data
def build_filter_timeshift_tc(
time_offset: int, time_window_type: TypeOfTimeWindow, *timestamps: int
) -> PusTelecommand:
app_data = bytearray()
app_data.extend(struct.pack("!I", time_offset))
app_data.extend(struct.pack("!I", int(time_window_type)))
if time_window_type != TypeOfTimeWindow.SELECT_ALL:
for timestamp in timestamps:
app_data.extend(struct.pack("!I", timestamp))
return PusTelecommand(service=11, subservice=8, app_data=app_data)
# waits for a specified amount of seconds and prints ". . ." for each second
def wait_seconds(t: int):
print("Waiting: ", end="")
for x in range(t):
time.sleep(1)
print(". ", end="")
print("")