Ejemplo n.º 1
0
 def __init__(self,
              hat_addr=0x60,
              flow_meter_pin=26,
              calibration_button_pin=22,
              tick_range=500):
     self.name = "Wash Input Valve"
     self._tick_range = tick_range
     self.flow_meter = FlowMeter(flow_meter_pin)
     self.calibration_button = Button(calibration_button_pin,
                                      self.max_range_callback)
     motor_hat = Adafruit_MotorHAT(addr=hat_addr)
     self.stepper = Stepper(motor_hat)
     self._has_calib = False
Ejemplo n.º 2
0
class FlowValve(object):
    def __init__(self,
                 hat_addr=0x60,
                 flow_meter_pin=26,
                 calibration_button_pin=22,
                 tick_range=500):
        self.name = "Wash Input Valve"
        self._tick_range = tick_range
        self.flow_meter = FlowMeter(flow_meter_pin)
        self.calibration_button = Button(calibration_button_pin,
                                         self.max_range_callback)
        motor_hat = Adafruit_MotorHAT(addr=hat_addr)
        self.stepper = Stepper(motor_hat)
        self._has_calib = False

    @property
    def uid(self):
        return self.name.lower().replace(" ", "_")

    @property
    def flow_rate(self):
        return 0

    def tick_to(self, tick):
        self.stepper.tick_to(tick)

    def calibrate(self):
        to = 0
        while not self._has_calib:
            self.tick_to(to)
            while self.stepper._current_tick > to and not self._has_calib:
                time.sleep(0.5)
            to -= 5000

        print "calibrated"
        self.stepper.tick_to(self._tick_range)

    def max_range_callback(self, button):
        if self._has_calib:
            return
        self._has_calib = True

        self.stepper.stop()
        self.stepper._current_tick = 0
        self.stepper.set_bounds(0, self._tick_range)
        time.sleep(0.1)
        self.stepper.start()

    @property
    def stepper_setting(self):
        return 1
Ejemplo n.º 3
0
 def __init__(self, hat_addr=0x60, flow_meter_pin=26, calibration_button_pin=22, tick_range=500):
     self.name = "Wash Input Valve"
     self._tick_range = tick_range
     self.flow_meter = FlowMeter(flow_meter_pin)
     self.calibration_button = Button(calibration_button_pin, self.max_range_callback)
     motor_hat = Adafruit_MotorHAT(addr=hat_addr)
     self.stepper = Stepper(motor_hat)
     self._has_calib = False
Ejemplo n.º 4
0
class FlowValve(object):
    def __init__(self, hat_addr=0x60, flow_meter_pin=26, calibration_button_pin=22, tick_range=500):
        self.name = "Wash Input Valve"
        self._tick_range = tick_range
        self.flow_meter = FlowMeter(flow_meter_pin)
        self.calibration_button = Button(calibration_button_pin, self.max_range_callback)
        motor_hat = Adafruit_MotorHAT(addr=hat_addr)
        self.stepper = Stepper(motor_hat)
        self._has_calib = False

    @property
    def uid(self):
        return self.name.lower().replace(" ", "_")

    @property
    def flow_rate(self):
        return 0

    def tick_to(self, tick):
        self.stepper.tick_to(tick)

    def calibrate(self):
        to = 0
        while not self._has_calib:
            self.tick_to(to)
            while self.stepper._current_tick > to and not self._has_calib:
                time.sleep(0.5)
            to -= 5000

        print "calibrated"
        self.stepper.tick_to(self._tick_range)

    def max_range_callback(self, button):
        if self._has_calib:
            return
        self._has_calib = True

        self.stepper.stop()
        self.stepper._current_tick = 0
        self.stepper.set_bounds(0, self._tick_range)
        time.sleep(0.1)
        self.stepper.start()

    @property
    def stepper_setting(self):
        return 1