main.py

   1 import machine,network,time, BlynkLib, sys, gc, ujson
   2 from neopixel import NeoPixel
   3 from machine import Pin
   4
   5 def readSecrets():
   6     with open('secrets.json') as fp:
   7         secrets=ujson.loads(fp.read())
   8         return secrets
   9
  10 #  connect to Blynk
  11 secrets=readSecrets()
  12 BLYNK_AUTH=secrets['home_wifi']['blynkAuth']
  13 blynk=BlynkLib.Blynk(BLYNK_AUTH,server='ny3.blynk.cloud')
  14 vpin=1
  15
  16 #  button connected to pin 39, ground, when btn pressed value=0
  17 btn=machine.Pin(39,machine.Pin.IN,machine.Pin.PULL_UP)
  18
  19 #  button connected to pin 18, ground, when btn pressed blynk.disconnect
  20 #btnD=machine.Pin(18,machine.Pin.IN,machine.Pin.PULL_UP)
  21
  22 #  LED GP25
  23 LED_GPIO = const(27)
  24 matrix_size_x = const(5)
  25 matrix_size_y = const(5)
  26 is_atom_matrix = True
  27
  28 np = NeoPixel(Pin(LED_GPIO), matrix_size_x * matrix_size_y)
  29
  30 #  set up datastream to Blynk (btn.value=pin v1)
  31 @blynk.on('read V1')
  32 def read_virtual_pin_handler(vpin):
  33     blynk.virtual_write(vpin,int(btn.value()))
  34
  35 #  LED handler (turn on when connected)
  36 @blynk.on("connected")
  37 def blynk_connected():
  38     np.fill((0,25,0))
  39     np.write()
  40
  41 #  LED handler (turn off when disconnected)
  42 @blynk.on("disconnected")
  43 def blynk_disconnected():
  44     np.fill((25,0,0))
  45     np.write()
  46
  47 #  garbage collection
  48 gc.threshold(26144)
  49 gc.enable()
  50
  51 #  main loop
  52 while True:
  53     try:
  54         read_virtual_pin_handler(vpin)
  55         #print(int(btn.value()))
  56         if int(btn.value())==0:
  57             blynk.log_event("Mommy_alert")
  58         time.sleep(.25)
  59
  60 #        if int(btnD.value())==0:
  61 #            wlan.disconnect()
  62 #            blynk.disconnect()
  63
  64         blynk.run()
  65     except KeyboardInterrupt:
  66         blynk_disconnected()
  67         blynk.disconnect()
  68         sys.exit()