42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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@file str_img_helper.py
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@brief Commanding of the star tracker image helper object which is responsible for uploading
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and downloading images to/from the star tracker.
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@details Images to uplaod must be previously transferred to the OBC with the CFDP protocol.
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Also downloaded images will be stored on the filesystem of the OBC and can be
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transferred via CFDP.
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@author J. Meier
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@date 29.11.2021
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"""
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import struct
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from spacepackets.ecss.tc import PusTelecommand
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from tmtccmd.tmtc import DefaultPusQueueHelper
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from tmtccmd.util import ObjectIdU32
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class Commands:
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UPLOAD_IMAGE = 0
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DOWNLOAD_IMAGE = 1
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class ImagePathDefs:
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uploadFile = "/mnt/sd0/startracker/gemma.bin"
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def pack_str_img_helper_command(
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object_id: ObjectIdU32, q: DefaultPusQueueHelper, op_code: str
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):
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q.add_log_cmd(
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f"Testing star tracker image helper object id: {object_id.as_hex_string}"
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)
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if op_code == "0":
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q.add_log_cmd("Star tracker image helper: Upload image")
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command = (
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object_id.as_bytes
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+ struct.pack("!I", Commands.UPLOAD_IMAGE)
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+ bytearray(ImagePathDefs.uploadFile, "utf-8")
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)
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q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=command))
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