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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
HT16K33.py	4.41 KB	-rw-r--r--
__init__.py	1.09 KB	-rw-r--r--
alphanum4.py	8.01 KB	-rw-r--r--
apa102.py	3.59 KB	-rw-r--r--
bmp280.py	7.41 KB	-rw-r--r--
buzzer.py	2.01 KB	-rw-r--r--
lights.py	1.83 KB	-rw-r--r--
touch.py	2.77 KB	-rw-r--r--

Code Editor : touch.py

try:
    import RPi.GPIO as GPIO
except ImportError:
    raise ImportError("This library requires the RPi.GPIO module\nInstall with: sudo pip install RPi.GPIO")

PIN_A = 21
PIN_B = 20
PIN_C = 16

GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)

class Button(object):
    def __init__(self, index, gpio_pin):
        object.__init__(self)
        self.pressed = False
        self._on_press_handler = None
        self._on_release_handler = None
        self._gpio_pin = gpio_pin
        self._index = index
        self._is_setup = False

def setup(self):
        if self._is_setup:
            return

GPIO.setup(self._gpio_pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
        GPIO.add_event_detect(self._gpio_pin, GPIO.BOTH, bouncetime=1, callback=self._handle_button)
        self._is_setup = True

def _handle_button(self, pin):
        self.pressed = GPIO.input(pin) != GPIO.HIGH

if self.pressed and callable(self._on_press_handler):
            try:
                self._on_press_handler(self._index, self._gpio_pin)
            except TypeError:
                self._on_press_handler(self._index)

elif callable(self._on_release_handler):
            try:
                self._on_release_handler(self._index, self._gpio_pin)
            except TypeError:
                self._on_release_handler(self._index)

def press(self, handler=None):
        """Bind a function to handle touch press."""

self.setup()

if handler is None:
            def decorate(handler):
                self._on_press_handler = handler

return decorate

self._on_press_handler = handler

def release(self, handler=None):
        """Bind a funciton to handle touch release."""

self.setup()

if handler is None:
            def decorate(handler):
                self._on_release_handler = handler

return decorate

self._on_release_handler = handler

class Buttons(object):
    A = Button(0, PIN_A)
    B = Button(1, PIN_B)
    C = Button(2, PIN_C)

_all = [A, B, C]

def __getitem__(self, key):
        return self._all[key]

def press(self, handler=None):
        if handler is None:
            def decorate(handler):
                self.A.press(handler)
                self.B.press(handler)
                self.C.press(handler)

return decorate

self.A.press(handler)
        self.B.press(handler)
        self.C.press(handler)

def release(self, handler=None):
        if handler is None:
            def decorate(handler):
                self.A.release(handler)
                self.B.release(handler)
                self.C.release(handler)

return decorate

self.A.release(handler)
        self.B.release(handler)
        self.C.release(handler)

Buttons = Buttons()

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Code Editor : touch.py