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Content import badge, wifi, ugfx, urequests, time # Global variables noWifi = False spaceOpen = False spaceName = '' exceptionCaught = False wifiTries = 0 requestComplete = False def setup(): pass def getSpaceInfo(): global noWifi, spaceOpen, spaceName, exceptionCaught, requestComplete requestComplete = False try: exceptionCaught = False # You can set your own Spacestate API URL :D apiUrl = badge.nvs_get_str( "spaceapimon", "apiUrl", "https://frack.nl/spacestate/?api" ); print("[SpaceAPIMon] Starting request") # get the API data apiData = urequests.get(apiUrl) # decode the JSON apiDecoded = apiData.json() apiData.close() # close conn # set the info in our global variables so the draw routine can read it print("[SpaceAPIMon] Setting info") spaceName = apiDecoded['space'] spaceOpen = apiDecoded['state']['open'] # We're done here. --Cave Johnson print("[SpaceAPIMon] Done") except: # Oops, that failed! print("[SpaceAPIMon] Caught exception") # Signal the exception to the draw routine exceptionCaught = True requestComplete = True return def draw(y, sleep=2): global spaceOpen, spaceName, noWifi, exceptionCaught, requestComplete # determine if the service is enabled shouldRun = badge.nvs_get_u8("spaceapimon", "enabled", 0) # determine our update frequency refreshMs = int(badge.nvs_get_str("spaceapimon", "interval", '300000')) if (shouldRun == 0): # Service disabled! return [999999999, 0] print("[SpaceAPIMon] Drawing") # draw strings depending on state if (exceptionCaught): ugfx.string_box( 0, y-22, 296, 22, 'Error while checking space API', "Roboto_Regular18", ugfx.BLACK, ugfx.justifyLeft ) elif (noWifi): ugfx.string_box( 0, y-22, 296, 22, 'Space state unknown (no wifi)', "Roboto_Regular18", ugfx.BLACK, ugfx.justifyLeft ) elif spaceName == '': # This shouldn't happen, but happened once? ugfx.string_box( 0, y-22, 296, 22, 'Waiting for Space Info!', "Roboto_Regular18", ugfx.BLACK, ugfx.justifyLeft ) else: ugfx.string_box( 0, y-22, 296, 22, '%s is %s' % (spaceName, ('open' if spaceOpen else 'closed')), "Roboto_Regular18", ugfx.BLACK, ugfx.justifyLeft ) # redraw every 1.5 seconds until we have data return [refreshMs if (requestComplete or noWifi) else 1500, 22] def loop(): global wifiTries, noWifi print("[SpaceAPIMon] In loop") # determine if we should run (service enabled?) and our refresh interval shouldRun = badge.nvs_get_u8("spaceapimon", "enabled", 0) refreshMs = int(badge.nvs_get_str("spaceapimon", "interval", '300000')) if (shouldRun == 0): # Service disabled! return 999999999 # we handle (re)connecting to wifi ourselves due to some quirks maxWifiTries = badge.nvs_get_u8('spaceapimon', 'maxWifiTries', 20) if wifiTries == 0: wifi.init() # wait until wifi is up if not wifi.sta_if.isconnected(): wifiTries+=1 if (wifiTries > maxWifiTries): # give up, signal the draw routine there is no wifi print("[SpaceAPIMon] Giving up on wifi") noWifi = True wifiTries = 0 return 999999999 print("[SpaceAPIMon] No wifi yet") return 100 # wait 100ms # we got wifi! noWifi = False wifiTries = 0 # Update our cached API response getSpaceInfo() # Go to sleep return refreshMs