def __init__(self):
self.setPinMapping()
GPIOPort.__init__(self, max(self.pins) + 1)
self.post_value = True
self.post_function = True
self.gpio_setup = []
self.gpio_reset = []
self.gpio_map = None
self.pinFunctionSet = set()
self.valueFile = {pin: None for pin in self.pins}
self.functionFile = {pin: None for pin in self.pins}
for pin in self.pins:
# Export the pins here to prevent a delay when accessing the values for the
# first time while waiting for the file group to be set
self.__checkFilesystemExport__(pin)
if gpio_library:
gpio_library.setmode(gpio_library.ASUS)
else:
try:
with open('/dev/gpiomem', 'rb') as gpiomem:
self.gpio_map = mmap.mmap(gpiomem.fileno(),
BLOCK_SIZE,
prot=mmap.PROT_READ)
except FileNotFoundError:
pass
except OSError as err:
error(err)
def __init__(self):
self.setPinMapping()
GPIOPort.__init__(self, max(self.pins) + 1)
self.post_value = True
self.post_function = True
self.gpio_setup = []
self.gpio_reset = []
self.gpio_map = None
self.pinFunctionSet = set()
self.valueFile = {pin:None for pin in self.pins}
self.functionFile = {pin:None for pin in self.pins}
self.callbacks = {}
self.edge_poll = select.epoll()
thread = Thread(target=self.pollEdges, daemon=True)
thread.start()
for pin in self.pins:
# Export the pins here to prevent a delay when accessing the values for the
# first time while waiting for the file group to be set
self.__checkFilesystemExport__(pin)
if gpio_library:
gpio_library.setmode(gpio_library.ASUS)
elif not Hardware().isRaspberryPi3():
# On the Pi 3 the memory mapped /dev/gpiomem file seems to give strange, inconsistent readings, like duplicated
# 4 byte sequences and "oipg" ASCII values. This might be some issue with the way Python mmap works since it didn't
# seem to happen with the wiringPi C library using uint32_t pointers. For now we just avoid using /dev/gpiomem on Pi 3.
try:
with open('/dev/gpiomem', 'rb') as gpiomem:
self.gpio_map = mmap.mmap(gpiomem.fileno(), BLOCK_SIZE, prot=mmap.PROT_READ)
except FileNotFoundError:
pass
except OSError as err:
error(err)
def __init__(self, channel_count):
"""Initializes MCP3XXX device.
Arguments:
channel_count: Number of channels on the device
"""
GPIOPort.__init__(self, channel_count)
self.banks = int(channel_count / 8)
def __init__(self, slave=0x20):
slave = toint(slave)
if slave in range(0x20, 0x28):
self.name = "PCF8574"
elif slave in range(0x38, 0x40):
self.name = "PCF8574A"
else:
raise ValueError(
"Bad slave address for PCF8574(A) : 0x%02X not in range [0x20..0x27, 0x38..0x3F]"
% slave)
I2C.__init__(self, slave)
GPIOPort.__init__(self, 8)
self.portWrite(0xFF)
self.portRead()
def __init__(self, slave=0x20):
"""Initializes PCF8574 device.
Arguments:
slave: The slave address
"""
slave = int(slave)
if slave in range(0x20, 0x28):
self.name = "PCF8574"
elif slave in range(0x38, 0x40):
self.name = "PCF8574A"
else:
raise ValueError("Bad slave address for PCF8574(A) : 0x%02X not in range [0x20..0x27, 0x38..0x3F]" % slave)
I2C.__init__(self, slave)
GPIOPort.__init__(self, 8)
self.portWrite(0xFF)
self.portRead()
def __init__(self):
if not NativeGPIO.instance:
GPIOPort.__init__(self, 54)
self.export = range(54)
self.post_value = True
self.post_function = True
self.gpio_setup = []
self.gpio_reset = []
self.valueFile = [0 for i in range(54)]
self.functionFile = [0 for i in range(54)]
for i in range(54):
# Export the pins here to prevent a delay when accessing the values for the
# first time while waiting for the file group to be set
self.__checkFilesystemExport__(i)
try:
with open('/dev/gpiomem', 'rb') as gpiomem:
self.gpio_map = mmap.mmap(gpiomem.fileno(),
BLOCK_SIZE,
prot=mmap.PROT_READ)
except OSError as err:
error(err)
NativeGPIO.instance = self
def __init__(self, slave=None):
OneWire.__init__(self, slave, 0x29, "2408")
GPIOPort.__init__(self, 8)
self.portWrite(0x00)
def __init__(self, channelCount):
GPIOPort.__init__(self, channelCount)
self.banks = int(channelCount / 8)