RasPi Sense Hat Experiments

sensehat.py

#!/usr/bin/python
# -*- coding: latin1 -*-
from sense_hat import SenseHat, ACTION_PRESSED, ACTION_HELD, ACTION_RELEASED
from time import sleep
from signal import pause

sense = SenseHat()


def readout():
    t = sense.get_temperature()
    msg = "{:.1f}C".format(t)
    sense.show_message(msg, scroll_speed=0.05, text_colour = [200,0,0])

    sleep(1)

    p = sense.get_pressure()
    msg = "{:.0f}mbar".format(p)
    sense.show_message(msg, scroll_speed=0.05, text_colour = [0,120,0])

    sleep(1)

    h = sense.get_humidity()
    msg = "{:.0f}%rH".format(h)
    sense.show_message(msg, scroll_speed=0.05, text_colour = [0,0,200])

    sleep(1)
    sense.clear()


def number():
  _ = [0, 0, 0]
  x = [255, 255, 255]
  image = [
    x, x, x, _, x, x, x, _,
    _, _, x, _, x, _, x, _,
    _, x, x, _, x, _, x, _,
    _, _, x, _, x, _, x, _,
    x, x, x, _, x, x, x, _,
    _, _, _, _, _, _, _, _,
    _, _, _, _, _, _, _, _,
    _, _, _, _, _, _, _, _,
  ]
  sense.set_pixels(image)

def joystick():
  night = False
  sense.show_letter('0', text_colour = [0,0,0], back_colour = [255,255,255])
  while True:
    event = sense.stick.wait_for_event()
    #print "Event {0} - {1}".format(event.action, event.direction)
    if event.action == ACTION_RELEASED:
      if event.direction == 'middle':
        night = not night
        sense.low_light = night
        if night == True:
          print "render 1"
          sense.show_letter('1', text_colour = [0,0,0], back_colour = [255,255,255])
        else:
          print "render 0"
          sense.show_letter('0', text_colour = [0,0,0], back_colour = [255,255,255])

def main():
  try:
    readout()
  except KeyboardInterrupt:
    sense.clear()

if __name__ == '__main__': main()