X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/031c39f2511a2db0913d6f0410056e3b71c47cc5..d6f98c20c88d868ccdd6942e5be10ea405397b83:/src/adafruit_blinka/microcontroller/generic_linux/libgpiod_pin.py diff --git a/src/adafruit_blinka/microcontroller/generic_linux/libgpiod_pin.py b/src/adafruit_blinka/microcontroller/generic_linux/libgpiod_pin.py index 51b87f9..0d02308 100644 --- a/src/adafruit_blinka/microcontroller/generic_linux/libgpiod_pin.py +++ b/src/adafruit_blinka/microcontroller/generic_linux/libgpiod_pin.py @@ -18,10 +18,14 @@ class Pin: _value = LOW _mode = IN - def __init__(self, pin_number, gpiod_chipname="gpiochip0"): - self.id = int(pin_number) - # FIXME: Presumably this might vary by system: - self._chip = gpiod.Chip(gpiod_chipname, gpiod.Chip.OPEN_BY_NAME) + def __init__(self, pin_id): + self.id = pin_id + if type(pin_id) is tuple: + self._num = int(pin_id[1]) + self._chip = gpiod.Chip(str(pin_id[0]), gpiod.Chip.OPEN_BY_NUMBER) + else: + self._num = int(pin_id) + self._chip = gpiod.Chip("gpiochip0", gpiod.Chip.OPEN_BY_NAME) self._line = None def __repr__(self): @@ -32,17 +36,17 @@ class Pin: def init(self, mode=IN, pull=None): if not self._line: - self._line = self._chip.get_line(int(self.id)) - print("init line: ", int(self.id), self._line) + self._line = self._chip.get_line(int(self._num)) + #print("init line: ", self.id, self._line) if mode != None: if mode == self.IN: flags = 0 if pull != None: if pull == self.PULL_UP: - flags |= gpiod.LINE_REQ_FLAG_ACTIVE_LOW + raise NotImplementedError("Internal pullups not supported in libgpiod, use physical resistor instead!") elif pull == self.PULL_DOWN: - flags |= gpiod.LINE_REQ_FLAG_ACTIVE_HIGH + raise NotImplementedError("Internal pulldowns not supported in libgpiod, use physical resistor instead!") else: raise RuntimeError("Invalid pull for pin: %s" % self.id)