James Webb Telescope project update

Author: FoamyGuy

MagTag_Webb_Telescope_Status/code.py

@@ -31,13 +31,13 @@
 # SLEEP_TIME = 60 * 60 * 24 # seconds
 
 # URL to fetch the data from
-JSON_GET_URL = "https://api.jwst-hub.com/track"
+JSON_GET_URL = "https://jwst.nasa.gov/content/webbLaunch/flightCurrentState2.0.json?unique={}"
 
 # Whether to fetch live data or use cached
-TEST_RUN = False
+TEST_RUN = True
 # Cached data, helpful when developing interface
 # pylint: disable=line-too-long
-FAKE_DATA = '{"distanceEarthKm":"1103975.4","launchElapsedTime":"15:03:47:44","distanceL2Km":342356.2,"percentageCompleted":76.3291,"speedKmS":0.3778,"deploymentImgURL":"https://webb.nasa.gov/content/webbLaunch/assets/images/deployment/1000pxWide/123Crop.png","currentDeploymentStep":"WEBB IS FULLY DEPLOYED! - The largest, most complex telescope ever launched into space is fully deployed.","tempC":{"tempWarmSide1C":55,"tempWarmSide2C":11,"tempCoolSide1C":-178,"tempCoolSide2C":-200},"timestamp":"2022-01-09T16:07:44.147Z"}'
+FAKE_DATA = '{"currentState": {"STEPS": "MirrorAlignSteps, TempBlurb, MirrorBlurb, ArraysForPlots, Plots", "launchDateTimeString": "2021-12-25T12:20Z", "currentDeployTableIndex": 34, "tempWarmSide1C": 37.1, "tempWarmSide2C": 12.0, "tempCoolSide1C": -229.1, "tempCoolSide2C": -233.0, "---INST TEMPS IN KELVIN----": "", "tempInstNirCamK": 42.7, "tempInstNirSpecK": 39.9, "tempInstFgsNirissK": 47.3, "tempInstMiriK": 108.7, "tempInstFsmK": 37.1, "tempsShow": true, "last": ""}}'
 
 # Background Color for the label texts
 LBL_BACKGROUND = 0x444444
@@ -75,7 +75,11 @@ def try_refresh():
         supervisor.reload()
 
 
-def make_label_text(text, anchor_point, anchored_position):
+def get_time_str():
+    return str(time.monotonic()).replace(".", "")
+
+
+def make_name_text(text, anchor_point, anchored_position, bg_color=LBL_BACKGROUND):
     """
     Create label object for labeling data values.
     It will get a background color box and appropriate padding.
@@ -90,15 +94,16 @@ def make_label_text(text, anchor_point, anchored_position):
         text=text,
         anchor_point=anchor_point,
         anchored_position=anchored_position,
-        background_color=LBL_BACKGROUND,
+        background_color=bg_color,
         padding_left=4,
         padding_right=4,
         padding_bottom=3,
         padding_top=3,
+        line_spacing=1.0
     )
 
 
-def make_value_text(anchor_point, anchored_position, custom_font=True):
+def make_value_text(anchor_point, anchored_position, custom_font=True, bg_color=0x000000, font_color=0xFFFFF):
     """
     Create label object for showing data values.
 
@@ -112,7 +117,9 @@ def make_value_text(anchor_point, anchored_position, custom_font=True):
     else:
         _font = terminalio.FONT
     return bitmap_label.Label(
-        _font, text="", anchor_point=anchor_point, anchored_position=anchored_position
+        _font, text="", anchor_point=anchor_point, anchored_position=anchored_position,
+        line_spacing=1.0, padding_top=3, background_color=bg_color, color=font_color,
+        padding_right=4, padding_left=4, padding_bottom=4
     )
 
 
@@ -122,118 +129,90 @@ def make_value_text(anchor_point, anchored_position, custom_font=True):
 # initialize custom font
 font = bitmap_font.load_font("fonts/LeagueSpartan-Light.bdf")
 
-# value text initialization
+# value text initializations
 
-# top left
-elapsed_time_val = make_value_text(anchor_point=(0, 0), anchored_position=(6, 6))
+# top left. Hot side | Cold side temperature values
+top_left_value = make_value_text(anchor_point=(0, 0), anchored_position=(0, 6), bg_color=0xBBBBBB, font_color=0x000000)
 
-# top right
-distance_from_earth_val = make_value_text(
-    anchor_point=(1.0, 0), anchored_position=(display.width - 6, 6)
+# top right. Instrument temperature values
+top_right_value = make_value_text(
+    anchor_point=(1.0, 0), anchored_position=(display.width - 6, 6),
 )
 
-# middle right
-distance_to_l2_val = make_value_text(
-    anchor_point=(1.0, 0), anchored_position=(display.width - 6, 56)
-)
-
-# bottom right
-percent_complete_val = make_value_text(
-    anchor_point=(1.0, 1.0), anchored_position=(display.width - 6, display.height - 6)
-)
-
-# middle left
-speed_val = make_value_text(anchor_point=(0, 0), anchored_position=(6, 56))
-
-# bottom left
+# bottom left timestamp
 timestamp_val = make_value_text(
-    anchor_point=(0, 1.0), anchored_position=(6, display.height - 6), custom_font=False
+    anchor_point=(0, 1.0), anchored_position=(0, display.height - 6), custom_font=False
 )
 
-# center
-temperature_val = make_value_text(
-    anchor_point=(0.5, 0.0), anchored_position=(display.width // 2, 6)
-)
+main_group.append(top_left_value)
+main_group.append(top_right_value)
 
-main_group.append(elapsed_time_val)
-main_group.append(distance_from_earth_val)
-main_group.append(distance_to_l2_val)
-main_group.append(percent_complete_val)
-main_group.append(speed_val)
 main_group.append(timestamp_val)
 
 # label text initialization
 
-# top left
-elapsed_time_lbl = make_label_text(
-    text="Elapsed", anchor_point=(0.0, 0), anchored_position=(6, 26)
-)
-
-# top right
-distance_from_earth_lbl = make_label_text(
-    text="From Earth", anchor_point=(1.0, 0), anchored_position=(display.width - 6, 26)
-)
-
-# middle right
-distance_to_l2_lbl = make_label_text(
-    text="To L2 Orbit", anchor_point=(1.0, 0), anchored_position=(display.width - 6, 76)
-)
-
-# center
-temperature_lbl = make_label_text(
-    text="Temp", anchor_point=(0.5, 0.0), anchored_position=(display.width // 2, 54)
+# middle left. Hot side | Cold side temps label
+middle_left_name = make_name_text(
+    text="Temperature", anchor_point=(0.0, 0), anchored_position=(0, 51)
 )
 
-# middle left
-speed_lbl = make_label_text(
-    text="Speed", anchor_point=(0, 0), anchored_position=(6, 76)
+# center. Instrument temp labels
+inst_temp_labels = "NIRCam Bench\nNIRSpec Bench\nFGS Bench\nMIRI Bench\nFSM"
+top_center_name = make_name_text(
+    text=inst_temp_labels, anchor_point=(1.0, 0.0), anchored_position=(top_right_value.x - 2, 6)
 )
 
-main_group.append(elapsed_time_lbl)
-main_group.append(distance_from_earth_lbl)
-main_group.append(distance_to_l2_lbl)
-main_group.append(temperature_lbl)
-main_group.append(speed_lbl)
-main_group.append(temperature_val)
+main_group.append(middle_left_name)
+main_group.append(top_center_name)
 
 if not TEST_RUN:
     try:
-        print("Fetching JSON data from %s" % JSON_GET_URL)
-        response = requests.get(JSON_GET_URL, timeout=30)
+        print("Fetching JSON data from {}".format(JSON_GET_URL.format(get_time_str())))
+        response = requests.get(JSON_GET_URL.format(get_time_str()), timeout=30)
     except (RuntimeError, OSError) as e:
         print(e)
         print("Failed GET request. Rebooting in 3 seconds...")
         time.sleep(3)
         supervisor.reload()
 
     print("-" * 40)
-    text_data = response.text
-    text_data = text_data.replace('"distanceEarthKm":', '"distanceEarthKm":"').replace(
-        ',"launchElapsedTime"', '","launchElapsedTime"'
-    )
-
-    json_data = json.loads(text_data)
+    print(response.headers)
+    json_data = response.json()
+    _time_parts = response.headers["date"].split(" ")
+    _time_str = "{}\n{}".format(" ".join(_time_parts[:4]), " ".join(_time_parts[4:]))
 
     print("JSON Response: ", json_data)
     print("-" * 40)
     response.close()
 else:
     json_data = json.loads(FAKE_DATA)
+    _time_parts = ["Mon,", "28", "Feb", "2022", "17:17:54 GMT"]
+    _time_str = "{}\n{}".format(" ".join(_time_parts[:4]), " ".join(_time_parts[4:]))
+
+# Date/Time
+timestamp_val.text = _time_str
+
+# instrument temps
+top_right_value.text = "{}K\n{}K\n{}K\n{}K\n{}K".format(
+    json_data["currentState"]["tempInstNirCamK"],
+    json_data["currentState"]["tempInstNirSpecK"],
+    json_data["currentState"]["tempInstFgsNirissK"],
+    json_data["currentState"]["tempInstMiriK"],
+    json_data["currentState"]["tempInstFsmK"],
+)
 
-# update the labels to display values
-elapsed_time_val.text = json_data["launchElapsedTime"]
-distance_from_earth_val.text = "{}km".format(json_data["distanceEarthKm"])
-distance_to_l2_val.text = "{}km".format(str(json_data["distanceL2Km"]))
-percent_complete_val.text = "{}%".format(str(json_data["percentageCompleted"]))
-speed_val.text = "{}km/s".format(str(json_data["speedKmS"]))
-timestamp_val.text = str(json_data["timestamp"])
-temperature_val.text = "{}c | {}c\n{}c | {}c".format(
-    json_data["tempC"]["tempWarmSide1C"],
-    json_data["tempC"]["tempCoolSide1C"],
-    json_data["tempC"]["tempWarmSide2C"],
-    json_data["tempC"]["tempCoolSide2C"],
+# hot side | cold site temps
+top_left_value.text = "{}C | {}C\n{}C | {}C".format(
+    json_data["currentState"]["tempWarmSide1C"],
+    json_data["currentState"]["tempCoolSide1C"],
+    json_data["currentState"]["tempWarmSide2C"],
+    json_data["currentState"]["tempCoolSide2C"],
 )
 
+# Set the name position after the instrument temps are in the value
+# label, so that it's x will be in the proper position.
+top_center_name.anchored_position = (top_right_value.x - 2, 6)
+
 # show the group
 display.show(main_group)