1 # SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
3 # SPDX-License-Identifier: MIT
4 """Broadcom BCM283x pin names"""
7 GPIO.setmode(GPIO.BCM) # Use BCM pins D4 = GPIO #4
8 GPIO.setwarnings(False) # shh!
12 """Pins dont exist in CPython so...lets make our own!"""
26 def __init__(self, bcm_number):
32 def __eq__(self, other):
33 return self.id == other
35 def init(self, mode=IN, pull=None):
36 """Initialize the Pin"""
40 GPIO.setup(self.id, GPIO.IN)
41 elif mode == self.OUT:
43 GPIO.setup(self.id, GPIO.OUT)
45 raise RuntimeError("Invalid mode for pin: %s" % self.id)
47 if self._mode != self.IN:
48 raise RuntimeError("Cannot set pull resistor on output")
49 if pull == self.PULL_UP:
50 GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_UP)
51 elif pull == self.PULL_DOWN:
52 GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
54 raise RuntimeError("Invalid pull for pin: %s" % self.id)
56 def value(self, val=None):
57 """Set or return the Pin Value"""
61 GPIO.output(self.id, val)
62 elif val == self.HIGH:
64 GPIO.output(self.id, val)
66 raise RuntimeError("Invalid value for pin")
68 return GPIO.input(self.id)
93 SCLK = Pin(11) # Raspberry Pi naming
94 SCK = Pin(11) # CircuitPython naming
143 # ordered as spiId, sckId, mosiId, misoId
145 (0, SCLK, MOSI, MISO),
146 (1, SCLK_1, MOSI_1, MISO_1),
147 (2, SCLK_2, MOSI_2, MISO_2),
150 # ordered as uartId, txId, rxId
151 uartPorts = ((1, TXD, RXD),)
153 # These are the known hardware I2C ports / pins.
154 # For software I2C ports created with the i2c-gpio overlay, see:
155 # https://github.com/adafruit/Adafruit_Python_Extended_Bus
158 (0, D1, D0), # both pi 1 and pi 2 i2c ports!