Merge branch 'adafruit:main' into Support_for_Orange_Pi_Zero2W

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / bcm283x / pin.py

diff --git a/src/adafruit_blinka/microcontroller/bcm283x/pin.py b/src/adafruit_blinka/microcontroller/bcm283x/pin.py
index 3db76dfec133425357f34ada784f2c8d0f2a676e..d741ada1854b07db851e5e8bab8799a8de08edad 100644 (file)
--- a/src/adafruit_blinka/microcontroller/bcm283x/pin.py
+++ b/src/adafruit_blinka/microcontroller/bcm283x/pin.py
@@ -1,64 +1,11 @@
-import RPi.GPIO as GPIO
-GPIO.setmode(GPIO.BCM)    # Use BCM pins D4 = GPIO #4
-GPIO.setwarnings(False)   # shh!
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""Broadcom BCM283x pin names"""
 
-# Pins dont exist in CPython so...lets make our own!
-class Pin:
-    IN = 0
-    OUT = 1
-    LOW = 0
-    HIGH = 1
-    PULL_NONE = 0
-    PULL_UP = 1
-    PULL_DOWN = 2
-    
-    id = None
-    _value = LOW
-    _mode = IN
-    
-    def __init__(self, bcm_number):
-        self.id = bcm_number
+# Use RPi.GPIO pins for Raspberry Pi 1-3B+
+from adafruit_blinka.microcontroller.generic_linux.rpi_gpio_pin import Pin
 
-    def __repr__(self):
-        return str(self.id)
-
-    def __eq__(self, other):
-        return self.id == other
-
-    def init(self, mode=IN, pull=None):
-        if mode != None:
-            if mode == self.IN:
-                self._mode = self.IN
-                GPIO.setup(self.id, GPIO.IN)
-            elif mode == self.OUT:
-                self._mode = self.OUT
-                GPIO.setup(self.id, GPIO.OUT)
-            else:
-                raise RuntimeError("Invalid mode for pin: %s" % self.id)
-        if pull != None:
-            if self._mode != self.IN:
-                raise RuntimeError("Cannot set pull resistor on output")
-            if pull == self.PULL_UP:
-                GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_UP)
-            elif pull == self.PULL_DOWN:
-                GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
-            else:
-                raise RuntimeError("Invalid pull for pin: %s" % self.id)       
-
-    def value(self, val=None):
-        if val != None:
-            if val == self.LOW:
-                self._value = val
-                GPIO.output(self.id, val)
-            elif val == self.HIGH:
-                self._value = val
-                GPIO.output(self.id, val)
-            else:
-                raise RuntimeError("Invalid value for pin")
-        else:
-            return GPIO.input(self.id)
-
-# Pi 1B rev1 only?
 D0 = Pin(0)
 D1 = Pin(1)
 
@@ -80,7 +27,7 @@ MISO = Pin(9)
 D10 = Pin(10)
 MOSI = Pin(10)
 D11 = Pin(11)
-SCLK = Pin(11) # Raspberry Pi naming
+SCLK = Pin(11)  # Raspberry Pi naming
 SCK = Pin(11)  # CircuitPython naming
 
 D12 = Pin(12)
@@ -131,13 +78,19 @@ D44 = Pin(44)
 D45 = Pin(45)
 
 # ordered as spiId, sckId, mosiId, misoId
-spiPorts = ((0, SCLK, MOSI, MISO), (1, SCLK_1, MOSI_1, MISO_1), (2, SCLK_2, MOSI_2, MISO_2))
+spiPorts = (
+    (0, SCLK, MOSI, MISO),
+    (1, SCLK_1, MOSI_1, MISO_1),
+    (2, SCLK_2, MOSI_2, MISO_2),
+)
 
 # ordered as uartId, txId, rxId
-uartPorts = (
-    (1, TXD, RXD),
-)
+uartPorts = ((1, TXD, RXD),)
 
+# These are the known hardware I2C ports / pins.
+# For software I2C ports created with the i2c-gpio overlay, see:
+#     https://github.com/adafruit/Adafruit_Python_Extended_Bus
 i2cPorts = (
-    (3, SCL, SDA), (1, SCL, SDA), (0, D1, D0),   # both pi 1 and pi 2 i2c ports!
+    (1, SCL, SDA),
+    (0, D1, D0),  # both pi 1 and pi 2 i2c ports!
 )