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Merge pull request #2077 from FoamyGuy/webb_telescope_update
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Webb telescope update
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@TheKitty
TheKitty authored Feb 28, 2022
2 parents 6fc30e6 + 1b71cab commit c1c883d
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Showing 3 changed files with 334 additions and 83 deletions.
169 changes: 86 additions & 83 deletions MagTag_Webb_Telescope_Status/code.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,13 +31,15 @@
# 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
Expand Down Expand Up @@ -75,7 +77,11 @@ 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.
Expand All @@ -90,15 +96,22 @@ 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.
Expand All @@ -112,7 +125,17 @@ 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,
)


Expand All @@ -122,118 +145,98 @@ 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

# top left
elapsed_time_val = make_value_text(anchor_point=(0, 0), anchored_position=(6, 6))
# value text initializations

# top right
distance_from_earth_val = make_value_text(
anchor_point=(1.0, 0), anchored_position=(display.width - 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,
)

# middle right
distance_to_l2_val = make_value_text(
anchor_point=(1.0, 0), anchored_position=(display.width - 6, 56)
# top right. Instrument temperature values
top_right_value = make_value_text(
anchor_point=(1.0, 0),
anchored_position=(display.width - 6, 6),
)

# 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 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 right
distance_to_l2_lbl = make_label_text(
text="To L2 Orbit", anchor_point=(1.0, 0), anchored_position=(display.width - 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),
)

# center
temperature_lbl = make_label_text(
text="Temp", anchor_point=(0.5, 0.0), anchored_position=(display.width // 2, 54)
)

# middle left
speed_lbl = make_label_text(
text="Speed", anchor_point=(0, 0), anchored_position=(6, 76)
)

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)

Expand Down
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