blynkLibv1/mommyBtnESP32.py

   1 import machine,network,time, BlynkLib, sys, gc, ujson
   2 from neopixel import NeoPixel
   3 from machine import Pin
   4
   5 wlan=network.WLAN(network.STA_IF)
   6 wlan.active(True)
   7
   8 def readSecrets():
   9     with open('secrets.json') as fp:
  10         secrets=ujson.loads(fp.read())
  11         return secrets
  12
  13 def wifiConnect():
  14     secrets=readSecrets()
  15     wlan.connect(secrets['home_wifi']['ssid'],secrets['home_wifi']['pass'])
  16
  17 wifiConnect()
  18
  19 #  connect to Blynk
  20 secrets=readSecrets()
  21 BLYNK_AUTH=secrets['home_wifi']['blynkAuth']
  22 blynk=BlynkLib.Blynk(BLYNK_AUTH)
  23 vpin=1
  24
  25 #  button connected to pin 28, ground, when btn pressed value=0
  26 btn=machine.Pin(39,machine.Pin.IN,machine.Pin.PULL_UP)
  27
  28 #  button connected to pin 18, ground, when btn pressed blynk.disconnect
  29 #btnD=machine.Pin(18,machine.Pin.IN,machine.Pin.PULL_UP)
  30
  31 #  LED GP25
  32 LED_GPIO = const(27)
  33 matrix_size_x = const(5)
  34 matrix_size_y = const(5)
  35 is_atom_matrix = True
  36
  37 np = NeoPixel(Pin(LED_GPIO), matrix_size_x * matrix_size_y)
  38
  39 #  button handler
  40 def pressed(btn):
  41     global pressed
  42     if not pressed:
  43         pressed=True
  44
  45 #  set up datastream to Blynk (btn.value=pin v1)
  46 @blynk.on('read V1')
  47 def read_virtual_pin_handler(vpin):
  48     blynk.virtual_write(vpin,int(btn.value()))
  49
  50 #  LED handler (turn on when connected)
  51 @blynk.on("connected")
  52 def blynk_connected():
  53     np.fill((0,25,0))
  54     np.write()
  55
  56 #  LED handler (turn off when disconnected)
  57 @blynk.on("disconnected")
  58 def blynk_disconnected():
  59     np.fill((25,0,0))
  60     np.write()
  61
  62 #  garbage collection
  63 gc.threshold(26144)
  64 gc.enable()
  65
  66 #  main loop
  67 while True:
  68     try:
  69         read_virtual_pin_handler(vpin)
  70         #print(int(btn.value()))
  71         if int(btn.value())==0:
  72             blynk.log_event("Mommy_alert")
  73         time.sleep(.25)
  74
  75 #        if int(btnD.value())==0:
  76 #            wlan.disconnect()
  77 #            blynk.disconnect()
  78
  79         blynk.run()
  80     except KeyboardInterrupt:
  81         blynk_disconnected()
  82         blynk.disconnect()
  83         sys.exit()