protostax / protostax_iss_tracker Goto Github PK
View Code? Open in Web Editor NEWProtoStax International Space Station Tracker with ePaper Display and Raspberry Pi
License: BSD 3-Clause "New" or "Revised" License
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filippoonesti jplegat orinocoz matkier frankwalzer mikethechap pshen aravind-govindhasamy blacksheeproboticsprotostax_iss_tracker's Issues
Option to Flip the Display
The default orientation for the display, when attached to a Raspberry Pi puts the power socket of the Pi at the top-right. To make wall mounting the whole thing a bit tidier, would it be possible to have an option to flip the display by 180 degrees. This would mean the power socket would be at the bottom left.
Logic seems to be reversed
Thanks for this great project, great example of coding for this application! I believe that the logic on when to display the positions is broken. Here is a patch, iss.patch that fixes this bug. Thanks again
--- iss.py 2022-03-15 20:04:26.258238672 -0400
+++ iss_new.py 2022-03-15 20:06:34.951525600 -0400
@@ -123,6 +123,7 @@
# Store positions in list
positions = []
+ DISPLAY_REFRESH_INTERVAL_COUNTER = 1
while(True):
t0 = time()
try:
@@ -143,7 +144,7 @@
print(positions)
# Refresh the display on the first fetch and then on every DISPLAY_REFRESH_INTERVAL fetch
- if ((len(positions) >= 1) and ((len(positions)-1) % DISPLAY_REFRESH_INTERVAL)):
+ if (len(positions) == 1 ) or DISPLAY_REFRESH_INTERVAL_COUNTER == DISPLAY_REFRESH_INTERVAL:
epd.init()
(imageBlack, imageRed) = display.drawISS(positions)
# We're drawing the map in black and the ISS location and trajectory in red
@@ -151,6 +152,12 @@
epd.display(epd.getbuffer(imageBlack), epd.getbuffer(imageRed))
sleep(2)
epd.sleep()
+ if (len(positions) > 1):
+ DISPLAY_REFRESH_INTERVAL_COUNTER = 1
+ else:
+ DISPLAY_REFRESH_INTERVAL_COUNTER += 1
+ else:
+ DISPLAY_REFRESH_INTERVAL_COUNTER += 1
t1 = time()
sleepTime = max(DATA_INTERVAL - (t1 - t0), 0)
screen
hello
i don't have a e-paper "screen" but i have a 7 inch raspberry pi touchscreen. Is there any way i can use that to see iss position?
ISS
Screen fills up: need a way to trim the list after a certain pint
The list of positions can accumulate so many positions that the screen eventually fills up. I noted this on the Hackster project page. I paid a programmer because my Python skills aren't good enough to create the suggested "circular or ring buffer". I'm not sure how to share that code but it seems to be working well on my setup. I'm happy to share the code.
Small mistake in the DISPLAY_REFRESH_INTERVAL test
When changing the DISPLAY_REFRESH_INTERVAL to higher value (good idea as the epaper does not appreciate to be refreshed every 30 seconds!) it does not work as there is a mistake in the test line:
if ((len(positions) >= 1) and ((len(positions)-1) % DISPLAY_REFRESH_INTERVAL)):
should be
if ((len(positions) >= 1) and ((len(positions)-1) % DISPLAY_REFRESH_INTERVAL) == 0):
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