eive-tmtc/gomspace/gomspace_common.py

# -*- coding: utf-8 -*-
"""
@file       gomspace_common.py
@brief      PDU2 tests
@details    All functions and classes common for all gomspace devices are defined in this file.
@author     J. Meier
@date       17.12.2020
"""
import enum
import struct
from typing import Union

from spacepackets.ecss import PusTelecommand
from tmtccmd.tc.pus_8_funccmd import generate_action_command
from tmtccmd.util import ObjectIdU32


class GomspaceDeviceActionIds(enum.IntEnum):
    PING = 1
    REBOOT = 4
    PARAM_GET = 0
    PARAM_SET = 255
    WDT_RESET = 9
    REQUEST_HK_TABLE = 16
    PRINT_SWITCH_V_I = 32
    PRINT_LATCHUPS = 33


class GomspaceOpCodes:
    # Request HK
    REQUEST_CORE_HK_ONCE = ["hk-core", "128"]
    REQUEST_AUX_HK_ONCE = ["hk-aux", "129"]
    PRINT_SWITCH_V_I = ["print-switch-vi", "130"]
    PRINT_LATCHUPS = ["print-latchups", "131"]
    GET_PARAM = ["get-param", "132"]
    SET_PARAM = ["set-param", "133"]


class Info:
    REQUEST_CORE_HK_ONCE = "Requesting Core HK once"
    REQUEST_AUX_HK_ONCE = "Requesting Aux HK once"
    GET_PARAMETER = "Get parameter"
    SET_PARAMETER = "Set parameter"


class SetIds:
    PDU_1_CORE = 1
    PDU_1_AUX = 2
    PDU_2_CORE = 3
    PDU_2_AUX = 4
    P60_CORE = 5
    P60_AUX = 6
    ACU_CORE = 7
    ACU_AUX = 8


class TableIds:
    config = 1
    hk = 4


class TableEntry:
    uint8_size = 1
    uint16_size = 2
    uint32_size = 4

    def __init__(self, parameter_address: bytearray, parameter_size):
        self.parameter_address = parameter_address
        self.parameter_size = parameter_size


class Channel:
    on = 1
    off = 0


def pack_get_param_command(
    object_id: bytes,
    table_id: int,
    memory_address: Union[int, bytes],
    parameter_size: int,
) -> PusTelecommand:
    """Function to generate a command to retrieve parameters like the temperature from a gomspace device.
    @param object_id:   The object id of the gomspace device handler.
    @param table_id:    The table id of the gomspace device
    @param memory_address:  Address offset within table of the value to read.
    @param parameter_size:  Size of the value to read. E.g. temperature is uint16_t and thus parameter_size is 2
    @return:    The command as bytearray.
    """
    app_data = struct.pack("!B", table_id)
    if isinstance(memory_address, int):
        app_data += struct.pack("!H", memory_address)
    else:
        app_data += memory_address
    app_data += struct.pack("!B", parameter_size)
    return generate_action_command(
        object_id=object_id,
        action_id=GomspaceDeviceActionIds.PARAM_GET,
        app_data=app_data,
    )


def pack_set_param_command(
    object_id: bytes,
    memory_address: bytes,
    parameter_size: int,
    parameter: int,
    ssc: int = 0,
) -> PusTelecommand:
    """Function to generate a command to set a parameter
    :param object_id:   The object id of the gomspace device handler.
    :param memory_address:  Address offset within table of the value to set.
    :param parameter: The parameter value to set.
    :param parameter_size:  Size of the value to set. There are uint8_t, uint16_t and uint32_t
    in the device tables.
    :param ssc:
    :return:    The command as bytearray.
    """
    action_id = GomspaceDeviceActionIds.PARAM_SET
    app_data = bytearray()
    app_data += memory_address
    app_data.append(parameter_size)
    if parameter_size == 1:
        app_data.append(parameter)
    elif parameter_size == 2:
        app_data += struct.pack("!H", parameter)
    elif parameter_size == 4:
        byte_one = 0xFF000000 & parameter >> 24
        byte_two = 0xFF0000 & parameter >> 16
        byte_three = 0xFF00 & parameter >> 8
        byte_four = 0xFF & parameter
        app_data.append(byte_one)
        app_data.append(byte_two)
        app_data.append(byte_three)
        app_data.append(byte_four)
    return generate_action_command(
        object_id=object_id, action_id=action_id, app_data=app_data, ssc=ssc
    )


def pack_ping_command(object_id: ObjectIdU32, data: bytearray) -> PusTelecommand:
    """ " Function to generate the command to ping a gomspace device
    @param object_id    Object Id of the gomspace device handler.
    @param data Bytearray containing the bytes to send to the gomspace device. For now the on board software
                supports only the handling of up to 33 bytes.
    @note   The ping request sends the specified data to a gompsace device. These
            data are simply copied by the device and then sent back.
    """
    return generate_action_command(
        object_id=object_id.as_bytes,
        action_id=GomspaceDeviceActionIds.PING,
        app_data=data,
    )


def pack_gnd_wdt_reset_command(object_id: ObjectIdU32) -> PusTelecommand:
    """ " Function to generate the command to reset the watchdog of a gomspace device.
    @param object_id    Object Id of the gomspace device handler.
    """
    return generate_action_command(
        object_id=object_id.as_bytes, action_id=GomspaceDeviceActionIds.WDT_RESET
    )


def pack_reboot_command(object_id: ObjectIdU32) -> PusTelecommand:
    """Function to generate the command which triggers a reboot of a gomspace device
    @param object_id    The object id of the gomspace device handler.
    """
    return generate_action_command(
        object_id=object_id.as_bytes, action_id=GomspaceDeviceActionIds.REBOOT
    )


def pack_request_full_hk_table_command(object_id: ObjectIdU32) -> PusTelecommand:
    """Function to generate the command to request the full housekeeping table from a gomspace
        device.
    @param object_id    The object id of the gomspace device handler.
    """
    return generate_action_command(
        object_id=object_id.as_bytes, action_id=GomspaceDeviceActionIds.REQUEST_HK_TABLE
    )