71 lines
2.8 KiB
Python
71 lines
2.8 KiB
Python
"""
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@brief This file transfers control of housekeeping handling (PUS service 3) to the
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developer
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@details Template configuration file. Copy this folder to the TMTC commander root and adapt
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it to your needs.
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"""
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import struct
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from typing import Tuple
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from tmtccmd.pus_tm.service_3_housekeeping import Service3Base
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from tmtccmd.utility.logger import get_console_logger
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from common_tmtc.config.object_ids import TEST_DEVICE_0_ID, TEST_DEVICE_1_ID
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LOGGER = get_console_logger()
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def service_3_hk_handling(
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object_id: bytes, set_id: int, hk_data: bytearray, service3_packet: Service3Base
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) -> Tuple[list, list, bytearray, int]:
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"""
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This function is called when a Service 3 Housekeeping packet is received.
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Please note that the object IDs should be compared by value because direct comparison of
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enumerations does not work in Python. For example use:
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if object_id.value == ObjectIds.TEST_OBJECT.value
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to test equality based on the object ID list.
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@param object_id:
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@param set_id:
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@param hk_data:
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@param service3_packet:
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@return: Expects a tuple, consisting of two lists, a bytearray and an integer
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The first list contains the header columns, the second list the list with
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the corresponding values. The bytearray is the validity buffer, which is usually appended
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at the end of the housekeeping packet. The last value is the number of parameters.
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"""
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if object_id == TEST_DEVICE_0_ID or object_id == TEST_DEVICE_1_ID:
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return handle_test_set_deserialization(hk_data=hk_data)
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else:
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LOGGER.info("Service3TM: Parsing for this SID has not been implemented.")
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return [], [], bytearray(), 0
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def handle_test_set_deserialization(hk_data: bytearray) -> Tuple[list, list, bytearray, int]:
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header_list = []
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content_list = []
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validity_buffer = bytearray()
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# uint8 (1) + uint32_t (4) + float vector with 3 entries (12) + validity buffer (1)
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if len(hk_data) < 18:
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LOGGER.warning("Invalid HK data format for test set reply!")
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return header_list, content_list, validity_buffer, 0
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uint8_value = struct.unpack('!B', hk_data[0:1])[0]
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uint32_value = struct.unpack('!I', hk_data[1:5])[0]
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float_value_1 = struct.unpack('!f', hk_data[5:9])[0]
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float_value_2 = struct.unpack('!f', hk_data[9:13])[0]
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float_value_3 = struct.unpack('!f', hk_data[13:17])[0]
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validity_buffer.append(hk_data[17])
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header_list.append("uint8 value")
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header_list.append("uint32 value")
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header_list.append("float vec value 1")
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header_list.append("float vec value 2")
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header_list.append("float vec value 3")
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content_list.append(uint8_value)
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content_list.append(uint32_value)
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content_list.append(float_value_1)
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content_list.append(float_value_2)
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content_list.append(float_value_3)
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return header_list, content_list, validity_buffer, 3
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