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prueker / METARMap

Raspberry Pi project to visualize flight conditions on a map using WS8211 LEDs addressed via NeoPixel
MIT License
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Wind Blinking kills updating #58

Closed apldan closed 9 months ago

apldan commented 9 months ago

I have cron running every 5 minutes, and I have the blink duration set for 300 seconds. It seems to blink correctly for the first 5 minute window, then freezes and stops updating. Any thoughts?

apldan commented 9 months ago

Also, i hook my Pi up to a monitor while testing/changing things. is there a way to monitor what is being run? having a cmd window open only shows if i run the command by hand, not letting cron run it.

jcl-rv12is commented 9 months ago

As the pi user, you could always run: tail -f /var/log/syslog. That would only show you the command run every 5 minutes. If you're looking for the detail output from refresh.sh, you'd have to edit the crontab entry to send standard output somewhere. I would not recommend that. If sent to a file, it would get large quickly, so whatever you do, don't leave it set for long.

/5 6-22 /home/pi/refresh.sh > /home/pi/output.log

You'd then "tail -f /home/pi/output.log". There may be a lag in the writes, so be aware of that.

If you wanted to have it sent to your display, type "tty" at a prompt, and use that device in place of a physical file, e.g.

/5 6-22 /home/pi/refresh.sh > /dev/pts/0

Be aware that you can't stop that screen output once started...you'd have to kill the script and then edit crontab to reverse it. You'd have a tough time doing that with the constant output...you'd likely want to login remotely to do so.

In other words, be careful what you wish for.

jcl-rv12is commented 9 months ago

I have cron running every 5 minutes, and I have the blink duration set for 300 seconds. It seems to blink correctly for the first 5 minute window, then freezes and stops updating. Any thoughts?

Show us your crontab entry.

apldan commented 9 months ago

*edit - not sure why the code looks terrible below...

Cron:

/5 * /home/pi/METARMap/refresh.sh

refresh.sh:

usr/bin/sudo pkill -F /home/pi/offpid.pid /usr/bin/sudo pkill -F /home/pi/metarpid.pid /usr/bin/sudo /usr/bin/python3 /home/pi/METARMap/metar.py & echo $! > /home/pi/METARmap/metarpid.pid

metar.py:

!/usr/bin/env python3

import urllib.request import xml.etree.ElementTree as ET import board import neopixel import time import datetime try: import astral except ImportError: astral = None try: import displaymetar except ImportError: displaymetar = None

metar.py script iteration 1.5.1

---------------------------------------------------------------------------

------------START OF CONFIGURATION-----------------------------------------

---------------------------------------------------------------------------

NeoPixel LED Configuration

LED_COUNT = 50 # Number of LED pixels. LED_PIN = board.D18 # GPIO pin connected to the pixels (18 is PCM). LED_BRIGHTNESS = .5 # Float from 0.0 (min) to 1.0 (max) LED_ORDER = neopixel.GRB # Strip type and colour ordering

COLOR_VFR = (255,0,0) # Green COLOR_VFR_FADE = (125,0,0) # Green Fade for wind COLOR_MVFR = (0,0,255) # Blue COLOR_MVFR_FADE = (0,0,125) # Blue Fade for wind COLOR_IFR = (0,255,0) # Red COLOR_IFR_FADE = (0,125,0) # Red Fade for wind COLOR_LIFR = (0,125,125) # Magenta COLOR_LIFR_FADE = (0,75,75) # Magenta Fade for wind COLOR_CLEAR = (0,0,0) # Clear COLOR_LIGHTNING = (255,255,255) # White COLOR_HIGH_WINDS = (255,255,0) # Yellow

----- Blink/Fade functionality for Wind and Lightning -----

Do you want the METARMap to be static to just show flight conditions, or do you also want blinking/fading based on current wind conditions

ACTIVATE_WINDCONDITION_ANIMATION = True # Set this to False for Static or True for animated wind conditions

Do you want the Map to Flash white for lightning in the area

ACTIVATE_LIGHTNING_ANIMATION = True # Set this to False for Static or True for animated Lightning

Fade instead of blink

FADE_INSTEAD_OF_BLINK = True # Set to False if you want blinking

Blinking Windspeed Threshold

WIND_BLINK_THRESHOLD = 15 # Knots of windspeed to blink/fade HIGH_WINDS_THRESHOLD = 25 # Knots of windspeed to trigger Yellow LED indicating very High Winds, set to -1 if you don't want to use this ALWAYS_BLINK_FOR_GUSTS = True # Always animate for Gusts (regardless of speeds)

Blinking Speed in seconds

BLINK_SPEED = 1 # Float in seconds, e.g. 0.5 for half a second

Total blinking time in seconds.

For example set this to 300 to keep blinking for 5 minutes if you plan to run the script every 5 minutes to fetch the updated weather

BLINK_TOTALTIME_SECONDS = 298

----- Daytime dimming of LEDs based on time of day or Sunset/Sunrise -----

ACTIVATE_DAYTIME_DIMMING = True # Set to True if you want to dim the map after a certain time of day BRIGHT_TIME_START = datetime.time(7,0) # Time of day to run at LED_BRIGHTNESS in hours and minutes DIM_TIME_START = datetime.time(17,0) # Time of day to run at LED_BRIGHTNESS_DIM in hours and minutes LED_BRIGHTNESS_DIM = .1 # Float from 0.0 (min) to 1.0 (max)

USE_SUNRISE_SUNSET = True # Set to True if instead of fixed times for bright/dimming, you want to use local sunrise/sunset LOCATION = "Memphis" # Nearby city for Sunset/Sunrise timing, refer to https://astral.readthedocs.io/en/latest/#cities for list of cities supported

----- External Display support -----

ACTIVATE_EXTERNAL_METAR_DISPLAY = False # Set to True if you want to display METAR conditions to a small external display DISPLAY_ROTATION_SPEED = 5.0 # Float in seconds, e.g 2.0 for two seconds

----- Show a set of Legend LEDS at the end -----

SHOW_LEGEND = False # Set to true if you want to have a set of LEDs at the end show the legend

You'll need to add 7 LEDs at the end of your string of LEDs

If you want to offset the legend LEDs from the end of the last airport from the airports file,

then change this offset variable by the number of LEDs to skip before the LED that starts the legend

OFFSET_LEGEND_BY = 0

The order of LEDs is:

VFR

MVFR

IFR

LIFR

LIGHTNING

WINDY

HIGH WINDS

---------------------------------------------------------------------------

------------END OF CONFIGURATION-------------------------------------------

---------------------------------------------------------------------------

print("Running metar.py at " + datetime.datetime.now().strftime('%d/%m/%Y %H:%M'))

Figure out sunrise/sunset times if astral is being used

if astral is not None and USE_SUNRISE_SUNSET: try:

For older clients running python 3.5 which are using Astral 1.10.1

    ast = astral.Astral()
    try:
        city = ast[LOCATION]
    except KeyError:
        print("Error: Location not recognized, please check list of supported cities and reconfigure")
    else:
        print(city)
        sun = city.sun(date = datetime.datetime.now().date(), local = True)
        BRIGHT_TIME_START = sun['sunrise'].time()
        DIM_TIME_START = sun['sunset'].time()
except AttributeError:
    # newer Raspberry Pi versions using Python 3.6+ using Astral 2.2
    import astral.geocoder
    import astral.sun
    try:
        city = astral.geocoder.lookup(LOCATION, astral.geocoder.database())
    except KeyError:
        print("Error: Location not recognized, please check list of supported cities and reconfigure")
    else:
        print(city)
        sun = astral.sun.sun(city.observer, date = datetime.datetime.now().date(), tzinfo=city.timezone)
        BRIGHT_TIME_START = sun['sunrise'].time()
        DIM_TIME_START = sun['sunset'].time()
print("Sunrise:" + BRIGHT_TIME_START.strftime('%H:%M') + " Sunset:" + DIM_TIME_START.strftime('%H:%M'))

Initialize the LED strip

bright = BRIGHT_TIME_START < datetime.datetime.now().time() < DIM_TIME_START print("Wind animation:" + str(ACTIVATE_WINDCONDITION_ANIMATION)) print("Lightning animation:" + str(ACTIVATE_LIGHTNING_ANIMATION)) print("Daytime Dimming:" + str(ACTIVATE_DAYTIME_DIMMING) + (" using Sunrise/Sunset" if USE_SUNRISE_SUNSET and ACTIVATE_DAYTIME_DIMMING else "")) print("External Display:" + str(ACTIVATE_EXTERNAL_METAR_DISPLAY)) pixels = neopixel.NeoPixel(LED_PIN, LED_COUNT, brightness = LED_BRIGHTNESS_DIM if (ACTIVATE_DAYTIME_DIMMING and bright == False) else LED_BRIGHTNESS, pixel_order = LED_ORDER, auto_write = False)

Read the airports file to retrieve list of airports and use as order for LEDs

with open("/home/apldan/Desktop/METARMap/airports") as f: airports = f.readlines() airports = [x.strip() for x in airports] try: with open("/home/apldan/Desktop/METARMap/airports") as f2: displayairports = f2.readlines() displayairports = [x.strip() for x in displayairports] print("Using subset airports for LED display") except IOError: print("Rotating through all airports on LED display") displayairports = None

Retrieve METAR from aviationweather.gov data server

Details about parameters can be found here: https://www.aviationweather.gov/dataserver/example?datatype=metar

url = "https://aviationweather.gov/cgi-bin/data/dataserver.php?requestType=retrieve&dataSource=metars&stationString=" + ",".join([item for item in airports if item != "NULL"]) + "&hoursBeforeNow=5&format=xml&mostRecent=true&mostRecentForEachStation=constraint" req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36 Edg/86.0.622.69'}) content = urllib.request.urlopen(req).read()

Retrieve flying conditions from the service response and store in a dictionary for each airport

root = ET.fromstring(content) conditionDict = { "NULL": {"flightCategory" : "", "windDir": "", "windSpeed" : 0, "windGustSpeed" : 0, "windGust" : False, "lightning": False, "tempC" : 0, "dewpointC" : 0, "vis" : 0, "altimHg" : 0, "obs" : "", "skyConditions" : {}, "obsTime" : datetime.datetime.now() } } conditionDict.pop("NULL") stationList = [] for metar in root.iter('METAR'): stationId = metar.find('station_id').text if metar.find('flight_category') is None: print("Missing flight condition, skipping.") continue flightCategory = metar.find('flight_category').text windDir = "" windSpeed = 0 windGustSpeed = 0 windGust = False lightning = False tempC = 0 dewpointC = 0 vis = 0 altimHg = 0.0 obs = "" skyConditions = [] if metar.find('wind_gust_kt') is not None: windGustSpeed = int(metar.find('wind_gust_kt').text) windGust = (True if (ALWAYS_BLINK_FOR_GUSTS or windGustSpeed > WIND_BLINK_THRESHOLD) else False) if metar.find('wind_speed_kt') is not None: windSpeed = int(metar.find('wind_speed_kt').text) if metar.find('wind_dir_degrees') is not None: windDir = metar.find('wind_dir_degrees').text if metar.find('temp_c') is not None: tempC = int(round(float(metar.find('temp_c').text))) if metar.find('dewpoint_c') is not None: dewpointC = int(round(float(metar.find('dewpoint_c').text))) if metar.find('visibility_statute_mi') is not None: vis_str = metar.find('visibility_statute_mi').text vis_str = vis_str.replace('+', '') vis = int(round(float(vis_str)))
if metar.find('altim_in_hg') is not None: altimHg = float(round(float(metar.find('altim_in_hg').text), 2)) if metar.find('wx_string') is not None: obs = metar.find('wx_string').text if metar.find('observation_time') is not None: obsTime = datetime.datetime.fromisoformat(metar.find('observation_time').text.replace("Z","+00:00")) for skyIter in metar.iter("sky_condition"): skyCond = { "cover" : skyIter.get("sky_cover"), "cloudBaseFt": int(skyIter.get("cloud_base_ft_agl", default=0)) } skyConditions.append(skyCond) if metar.find('raw_text') is not None: rawText = metar.find('raw_text').text lightning = False if ((rawText.find('LTG', 4) == -1 and rawText.find('TS', 4) == -1) or rawText.find('TSNO', 4) != -1) else True print(stationId + ":"

Start up external display output

disp = None if displaymetar is not None and ACTIVATE_EXTERNAL_METAR_DISPLAY: print("setting up external display") disp = displaymetar.startDisplay() displaymetar.clearScreen(disp)

Setting LED colors based on weather conditions

looplimit = int(round(BLINK_TOTALTIME_SECONDS / BLINK_SPEED)) if (ACTIVATE_WINDCONDITION_ANIMATION or ACTIVATE_LIGHTNING_ANIMATION or ACTIVATE_EXTERNAL_METAR_DISPLAY) else 1

windCycle = False displayTime = 0.0 displayAirportCounter = 0 numAirports = len(stationList) while looplimit > 0: i = 0 for airportcode in airports:

Skip NULL entries

    if airportcode == "NULL":
        i += 1
        continue

    color = COLOR_CLEAR
    conditions = conditionDict.get(airportcode, None)
    windy = False
    highWinds = False
    lightningConditions = False

    if conditions != None:
        windy = True if (ACTIVATE_WINDCONDITION_ANIMATION and windCycle == True and (conditions["windSpeed"] >= WIND_BLINK_THRESHOLD or conditions["windGust"] == True)) else False
        highWinds = True if (windy and HIGH_WINDS_THRESHOLD != -1 and (conditions["windSpeed"] >= HIGH_WINDS_THRESHOLD or conditions["windGustSpeed"] >= HIGH_WINDS_THRESHOLD)) else False
        lightningConditions = True if (ACTIVATE_LIGHTNING_ANIMATION and windCycle == False and conditions["lightning"] == True) else False
        if conditions["flightCategory"] == "VFR":
            color = COLOR_VFR if not (windy or lightningConditions) else COLOR_LIGHTNING if lightningConditions else COLOR_HIGH_WINDS if highWinds else (COLOR_VFR_FADE if FADE_INSTEAD_OF_BLINK else COLOR_CLEAR) if windy else COLOR_CLEAR
        elif conditions["flightCategory"] == "MVFR":
            color = COLOR_MVFR if not (windy or lightningConditions) else COLOR_LIGHTNING if lightningConditions else COLOR_HIGH_WINDS if highWinds else (COLOR_MVFR_FADE if FADE_INSTEAD_OF_BLINK else COLOR_CLEAR) if windy else COLOR_CLEAR
        elif conditions["flightCategory"] == "IFR":
            color = COLOR_IFR if not (windy or lightningConditions) else COLOR_LIGHTNING if lightningConditions else COLOR_HIGH_WINDS if highWinds else (COLOR_IFR_FADE if FADE_INSTEAD_OF_BLINK else COLOR_CLEAR) if windy else COLOR_CLEAR
        elif conditions["flightCategory"] == "LIFR":
            color = COLOR_LIFR if not (windy or lightningConditions) else COLOR_LIGHTNING if lightningConditions else COLOR_HIGH_WINDS if highWinds else (COLOR_LIFR_FADE if FADE_INSTEAD_OF_BLINK else COLOR_CLEAR) if windy else COLOR_CLEAR
        else:
            color = COLOR_CLEAR

    print("Setting LED " + str(i) + " for " + airportcode + " to " + ("lightning " if lightningConditions else "") + ("very " if highWinds else "") + ("windy " if windy else "") + (conditions["flightCategory"] if conditions != None else "None") + " " + str(color))
    pixels[i] = color
    i += 1

# Legend
if SHOW_LEGEND:
    pixels[i + OFFSET_LEGEND_BY] = COLOR_VFR
    pixels[i + OFFSET_LEGEND_BY + 1] = COLOR_MVFR
    pixels[i + OFFSET_LEGEND_BY + 2] = COLOR_IFR
    pixels[i + OFFSET_LEGEND_BY + 3] = COLOR_LIFR
    if ACTIVATE_LIGHTNING_ANIMATION == True:
        pixels[i + OFFSET_LEGEND_BY + 4] = COLOR_LIGHTNING if windCycle else COLOR_VFR # lightning
    if ACTIVATE_WINDCONDITION_ANIMATION == True:
        pixels[i+ OFFSET_LEGEND_BY + 5] = COLOR_VFR if not windCycle else (COLOR_VFR_FADE if FADE_INSTEAD_OF_BLINK else COLOR_CLEAR)    # windy
        if HIGH_WINDS_THRESHOLD != -1:
            pixels[i + OFFSET_LEGEND_BY + 6] = COLOR_VFR if not windCycle else COLOR_HIGH_WINDS  # high winds

# Update actual LEDs all at once
pixels.show()

# Rotate through airports METAR on external display
if disp is not None:
    if displayTime <= DISPLAY_ROTATION_SPEED:
        displaymetar.outputMetar(disp, stationList[displayAirportCounter], conditionDict.get(stationList[displayAirportCounter], None))
        displayTime += BLINK_SPEED
    else:
        displayTime = 0.0
        displayAirportCounter = displayAirportCounter + 1 if displayAirportCounter < numAirports-1 else 0
        print("showing METAR Display for " + stationList[displayAirportCounter])

# Switching between animation cycles
time.sleep(BLINK_SPEED)
windCycle = False if windCycle else True
looplimit -= 1

print() print("Done")

jcl-rv12is commented 9 months ago

I can't guarantee this is your issue, but it looks like you're a victim of your decision to not put things in /home/pi, then not adjusting for that everywhere, and then using incorrect case in one place.

The refresh.sh script you posted is this:

usr/bin/sudo pkill -F /home/pi/offpid.pid /usr/bin/sudo pkill -F /home/pi/metarpid.pid /usr/bin/sudo /usr/bin/python3 /home/pi/METARMap/metar.py & echo $! > /home/pi/METARmap/metarpid.pid

  1. Incorrect directories in the first two lines.
  2. Incorrect case in the third line...METARmap should be METARMap

Try using:

usr/bin/sudo pkill -F /home/pi/METARMap/offpid.pid /usr/bin/sudo pkill -F /home/pi/METARMap/metarpid.pid /usr/bin/sudo /usr/bin/python3 /home/pi/METARMap/metar.py & echo $! > /home/pi/METARMap/metarpid.pid

While you're at it, you should look at your lightsoff.sh script.

apldan commented 9 months ago

I think you nailed it, seems to be working great now :)

P.S. - may want to add something to the read me/Pi setup instructions about modifying /boot/config.txt to uncomment dtparam=spi=on and change dtparam=audio=on to off. Couple of bumps i had to research to get it to work on my Pi 3B+.

Thanks again for your help!

jcl-rv12is commented 9 months ago

That’s interesting. I’ve never had to change anything for a 3B+. Have two that I built for friends over a year ago that are running fine.

Have also tested again today a Pi 2 model B V1.1 (with an Edimax WiFi adapter) bought way back in 2015 that works fine. I just moved the SD card built on a Pi Zero W to the Pi 2. All functions, including the small OLED dislay, work fine. This particular SD card was just built yesterday with 2023-12-11-raspios-bookworm-armhf-lite.img.xz.

As an aside, it really becomes a challenge to work with the Pi. With every OS release, or even just the passage of time, libraries get updated, things get deprecated, and I spend an inordinate amount of time getting things right. Sure enough, even moving from 2023-10-10-raspios-bookworm-armhf-lite.img.xz to 2023-12-11-raspios-bookworm-armhf-lite.img.xz was challenging. That, and issues with SD card corruption, make it a pain to help friends out.

FWIW, going forward, for my own usage I will likely keep using this software, but for any maps for friends, I’m using a commercial microcontroller based solution. I’ve also got a fork of the WKHarmon microcontroller code that adds significant functionality.

From: apldan @.> Sent: Saturday, January 13, 2024 9:48 PM To: prueker/METARMap @.> Cc: jcl-rv12is @.>; Comment @.> Subject: Re: [prueker/METARMap] Wind Blinking kills updating (Issue #58)

I think you nailed it, seems to be working great now :)

P.S. - may want to add something to the read me/Pi setup instructions about modifying /boot/config.txt to uncomment dtparam=spi=on and change dtparam=audio=on to off. Couple of bumps i had to research to get it to work on my Pi 3B+.

Thanks again for your help!

— Reply to this email directly, view it on GitHub https://github.com/prueker/METARMap/issues/58#issuecomment-1890837558 , or unsubscribe https://github.com/notifications/unsubscribe-auth/A7OJYUHNOZ5VG3H2LSNY753YONINRAVCNFSM6AAAAABBVUZ742VHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMYTQOJQHAZTONJVHA . You are receiving this because you commented. https://github.com/notifications/beacon/A7OJYUA73TLW3EQZACV5D33YONINRA5CNFSM6AAAAABBVUZ742WGG33NNVSW45C7OR4XAZNMJFZXG5LFINXW23LFNZ2KUY3PNVWWK3TUL5UWJTTQWPSDM.gif Message ID: @. @.> >

proppilot commented 9 months ago

Once it is working it is working and does not need any upgrading.  Mine worked for three years until the METAR URL was updated and then I needed to make that change but I never update any libraries etc in the PI

From: jcl-rv12is @.> Reply-To: prueker/METARMap @.> Date: Sunday, January 14, 2024 at 10:16 AM To: prueker/METARMap @.> Cc: Subscribed @.> Subject: Re: [prueker/METARMap] Wind Blinking kills updating (Issue #58)

That’s interesting. I’ve never had to change anything for a 3B+. Have two that I built for friends over a year ago that are running fine.

Have also tested again today a Pi 2 model B V1.1 (with an Edimax WiFi adapter) bought way back in 2015 that works fine. I just moved the SD card built on a Pi Zero W to the Pi 2. All functions, including the small OLED dislay, work fine. This particular SD card was just built yesterday with 2023-12-11-raspios-bookworm-armhf-lite.img.xz.

As an aside, it really becomes a challenge to work with the Pi. With every OS release, or even just the passage of time, libraries get updated, things get deprecated, and I spend an inordinate amount of time getting things right. Sure enough, even moving from 2023-10-10-raspios-bookworm-armhf-lite.img.xz to 2023-12-11-raspios-bookworm-armhf-lite.img.xz was challenging. That, and issues with SD card corruption, make it a pain to help friends out.

FWIW, going forward, for my own usage I will likely keep using this software, but for any maps for friends, I’m using a commercial microcontroller based solution. I’ve also got a fork of the WKHarmon microcontroller code that adds significant functionality.

From: apldan @.> Sent: Saturday, January 13, 2024 9:48 PM To: prueker/METARMap @.> Cc: jcl-rv12is @.>; Comment @.> Subject: Re: [prueker/METARMap] Wind Blinking kills updating (Issue #58)

I think you nailed it, seems to be working great now :)

P.S. - may want to add something to the read me/Pi setup instructions about modifying /boot/config.txt to uncomment dtparam=spi=on and change dtparam=audio=on to off. Couple of bumps i had to research to get it to work on my Pi 3B+.

Thanks again for your help!

— Reply to this email directly, view it on GitHub https://github.com/prueker/METARMap/issues/58#issuecomment-1890837558 , or unsubscribe https://github.com/notifications/unsubscribe-auth/A7OJYUHNOZ5VG3H2LSNY753YONINRAVCNFSM6AAAAABBVUZ742VHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMYTQOJQHAZTONJVHA . You are receiving this because you commented. https://github.com/notifications/beacon/A7OJYUA73TLW3EQZACV5D33YONINRA5CNFSM6AAAAABBVUZ742WGG33NNVSW45C7OR4XAZNMJFZXG5LFINXW23LFNZ2KUY3PNVWWK3TUL5UWJTTQWPSDM.gif Message ID: @. @.> >

— Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you are subscribed to this thread.Message ID: @.***>

jcl-rv12is commented 9 months ago

True, and I did the same thing on several friends’ maps, but building a new one from scratch today is a different story. I keep a Word doc updated regularly to cover building something today, at

https://github.com/jcl-rv12is/METARMap

From: Tony @.> Sent: Sunday, January 14, 2024 9:49 AM To: prueker/METARMap @.> Cc: jcl-rv12is @.>; Comment @.> Subject: Re: [prueker/METARMap] Wind Blinking kills updating (Issue #58)

Once it is working it is working and does not need any upgrading. Mine worked for three years until the METAR URL was updated and then I needed to make that change but I never update any libraries etc in the PI

From: jcl-rv12is @. <mailto:@.> > Reply-To: prueker/METARMap @. <mailto:@.> > Date: Sunday, January 14, 2024 at 10:16 AM To: prueker/METARMap @. <mailto:@.> > Cc: Subscribed @. <mailto:@.> > Subject: Re: [prueker/METARMap] Wind Blinking kills updating (Issue #58)

That’s interesting. I’ve never had to change anything for a 3B+. Have two that I built for friends over a year ago that are running fine.

Have also tested again today a Pi 2 model B V1.1 (with an Edimax WiFi adapter) bought way back in 2015 that works fine. I just moved the SD card built on a Pi Zero W to the Pi 2. All functions, including the small OLED dislay, work fine. This particular SD card was just built yesterday with 2023-12-11-raspios-bookworm-armhf-lite.img.xz.

As an aside, it really becomes a challenge to work with the Pi. With every OS release, or even just the passage of time, libraries get updated, things get deprecated, and I spend an inordinate amount of time getting things right. Sure enough, even moving from 2023-10-10-raspios-bookworm-armhf-lite.img.xz to 2023-12-11-raspios-bookworm-armhf-lite.img.xz was challenging. That, and issues with SD card corruption, make it a pain to help friends out.

FWIW, going forward, for my own usage I will likely keep using this software, but for any maps for friends, I’m using a commercial microcontroller based solution. I’ve also got a fork of the WKHarmon microcontroller code that adds significant functionality.

From: apldan @. <mailto:@.> > Sent: Saturday, January 13, 2024 9:48 PM To: prueker/METARMap @. <mailto:@.> > Cc: jcl-rv12is @. <mailto:@.> >; Comment @. <mailto:@.> > Subject: Re: [prueker/METARMap] Wind Blinking kills updating (Issue #58)

I think you nailed it, seems to be working great now :)

P.S. - may want to add something to the read me/Pi setup instructions about modifying /boot/config.txt to uncomment dtparam=spi=on and change dtparam=audio=on to off. Couple of bumps i had to research to get it to work on my Pi 3B+.

Thanks again for your help!

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