def setupButtons():
global buttonLeft, buttonMiddle, buttonRight
buttonLeft = Button(BUTTON_LEFT_GPIO_PIN)
buttonMiddle = Button(BUTTON_MIDDLE_GPIO_PIN)
buttonRight = Button(BUTTON_RIGHT_GPIO_PIN)
buttonLeft.when_pressed = leftPressed
buttonMiddle.when_pressed = middlePressed
buttonRight.when_pressed = rightPressed
buttonLeft.when_held = leftHeld
buttonMiddle.when_held = middleHeld
buttonRight.when_held = rightHeld
buttonLeft.when_released = leftReleased
buttonMiddle.when_released = middleReleased
buttonRight.when_released = rightReleased
buttonLeft.hold_time = 1
buttonMiddle.hold_time = 1
buttonRight.hold_time = 1
buttonLeft.hold_repeat = True
buttonMiddle.hold_repeat = True
buttonRight.hold_repeat = True
def add_button(self, pin, name, pull_up=True, bounce_time=None, hold_time=None, hold_repeat=None):
if self._button_map.has_key(pin):
return
# TODO: Reference http://stackoverflow.com/a/21986301/1846662 for a better way to call Button()
if bounce_time > 0:
button = Button(pin, pull_up, bounce_time)
else:
button = Button(pin, pull_up)
if hold_time > 0:
button.hold_time = hold_time
if type(hold_repeat) is bool:
button.hold_repeat = hold_repeat
button.when_activated = self._handle_pressed
button.when_deactivated = self._handle_released
button.when_held = self._handle_held
self._button_map[pin] = NamedButton(name, button, pin)