blynkLibv1/mommybtn.py

   1 import machine,network,time, BlynkLib, sys, gc, ujson
   2
   3 wlan=network.WLAN(network.STA_IF)
   4 wlan.active(True)
   5
   6 def readSecrets():
   7     with open('secrets.json') as fp:
   8         secrets=ujson.loads(fp.read())
   9         return secrets
  10
  11 def wifiConnect():
  12     secrets=readSecrets()
  13     wlan.connect(secrets['home_wifi']['ssid'],secrets['home_wifi']['pass'])
  14
  15 wifiConnect()
  16
  17 #  connect to Blynk
  18 BLYNK_AUTH='ie_FVuX0HuP5m5k--kuauDHlrvviHbuI'
  19 blynk=BlynkLib.Blynk(BLYNK_AUTH)
  20 vpin=1
  21
  22 #  button connected to pin 28, ground, when btn pressed value=0
  23 btn=machine.Pin(28,machine.Pin.IN,machine.Pin.PULL_UP)
  24
  25 #  LED GP25
  26 led=machine.Pin("LED",machine.Pin.OUT)
  27
  28 #  button handler
  29 def pressed(btn):
  30     global pressed
  31     if not pressed:
  32         pressed=True
  33
  34 #  set up datastream to Blynk (btn.value=pin v1)
  35 @blynk.on('read V1')
  36 def read_virtual_pin_handler(vpin):
  37     blynk.virtual_write(vpin,int(btn.value()))
  38
  39 #  LED handler (turn on when connected)
  40 @blynk.on("connected")
  41 def blynk_connected():
  42     led.on()
  43
  44 #  LED handler (turn off when disconnected)
  45 @blynk.on("disconnected")
  46 def blynk_disconnected():
  47     led.off()
  48
  49 #  garbage collection
  50 gc.threshold(26144)
  51 gc.enable()
  52
  53 #  main loop
  54 while True:
  55     try:
  56         read_virtual_pin_handler(vpin)
  57         #print(int(btn.value()))
  58         if int(btn.value())==0:
  59             blynk.log_event("Mommy_alert")
  60         time.sleep(.25)
  61         blynk.run()
  62     except KeyboardInterrupt:
  63         blynk_disconnected()
  64         blynk.disconnect()
  65         sys.exit()