all import changes

eive_tmtc/tmtc/acs/str_img_helper.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+"""
+@file   str_img_helper.py
+@brief  Commanding of the star tracker image helper object which is responsible for uploading
+        and downloading images to/from the star tracker.
+@details    Images to uplaod must be previously transferred to the OBC with the CFDP protocol.
+            Also downloaded images will be stored on the filesystem of the OBC and can be transferred via CFDP.
+@author J. Meier
+@date   29.11.2021
+"""
+import struct
+
+from spacepackets.ecss.tc import PusTelecommand
+from tmtccmd.tc import DefaultPusQueueHelper
+from tmtccmd.util import ObjectIdU32
+
+
+class Commands:
+    UPLOAD_IMAGE = 0
+    DOWNLOAD_IMAGE = 1
+
+
+class ImagePathDefs:
+    uploadFile = "/mnt/sd0/startracker/gemma.bin"
+
+
+def pack_str_img_helper_command(
+    object_id: ObjectIdU32, q: DefaultPusQueueHelper, op_code: str
+):
+    q.add_log_cmd(
+        f"Testing star tracker image helper object id: {object_id.as_hex_string}"
+    )
+    if op_code == "0":
+        q.add_log_cmd("Star tracker image helper: Upload image")
+        command = (
+            object_id.as_bytes
+            + struct.pack("!I", Commands.UPLOAD_IMAGE)
+            + bytearray(ImagePathDefs.uploadFile, "utf-8")
+        )
+        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=command))