X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/3b0f167719f774996e451ac9443375068cf0d78b..3b01699d1e09bc494656bae583d1f70b35d8975e:/src/adafruit_blinka/microcontroller/nova/pin.py?ds=inline

diff --git a/src/adafruit_blinka/microcontroller/nova/pin.py b/src/adafruit_blinka/microcontroller/nova/pin.py
index 04879e9..1fb4c9a 100644
--- a/src/adafruit_blinka/microcontroller/nova/pin.py
+++ b/src/adafruit_blinka/microcontroller/nova/pin.py
@@ -1,11 +1,17 @@
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""Binho Nova pin names"""
+
+
 class Pin:
     """A basic Pin class for use with Binho Nova."""
 
-    IN = 'DIN'
-    OUT = 'DOUT'
-    AIN = 'AIN'
-    AOUT = 'AOUT'
-    PWM = 'PWM'
+    IN = "DIN"
+    OUT = "DOUT"
+    AIN = "AIN"
+    AOUT = "AOUT"
+    PWM = "PWM"
     LOW = 0
     HIGH = 1
 
@@ -13,7 +19,11 @@ class Pin:
 
     def __init__(self, pin_id=None):
         if not Pin._nova:
+            # pylint: disable=import-outside-toplevel
             from adafruit_blinka.microcontroller.nova import Connection
+
+            # pylint: enable=import-outside-toplevel
+
             Pin._nova = Connection.getInstance()
         # check if pin is valid
         if pin_id > 4:
@@ -22,24 +32,27 @@ class Pin:
         self.id = pin_id
 
     def init(self, mode=IN, pull=None):
+        """Initialize the Pin"""
         if self.id is None:
             raise RuntimeError("Can not init a None type pin.")
-        # Nova does't have configurable internal pulls for 
+        # Nova does't have configurable internal pulls for
         if pull:
             raise ValueError("Internal pull up/down not currently supported.")
         Pin._nova.setIOpinMode(self.id, mode)
 
     def value(self, val=None):
+        """Set or return the Pin Value"""
         if self.id is None:
             raise RuntimeError("Can not access a None type pin.")
         # read
         if val is None:
-            return int(Pin._nova.getIOpinValue(self.id).split('VALUE ')[1])
+            return int(Pin._nova.getIOpinValue(self.id).split("VALUE ")[1])
         # write
-        elif val in (self.LOW, self.HIGH):
+        if val in (self.LOW, self.HIGH):
             Pin._nova.setIOpinValue(self.id, val)
-        else:
-            raise RuntimeError("Invalid value for pin")
+            return None
+        raise RuntimeError("Invalid value for pin")
+
 
 # create pin instances for each pin
 IO0 = Pin(0)
@@ -48,6 +61,14 @@ IO2 = Pin(2)
 IO3 = Pin(3)
 IO4 = Pin(4)
 
+SCL = IO2
+SDA = IO0
+SCK = SCLK = IO3
+MOSI = IO4
+MISO = IO2
+SS0 = IO0
+SS1 = IO1
+
 PWM0 = IO0
 # No PWM support on IO1
 PWM2 = IO2
@@ -55,10 +76,10 @@ PWM3 = IO3
 PWM4 = IO4
 
 # orderd as (channel, pin), id
-pwmOuts = ( ((1, 0), PWM0), ((1, 2), PWM2), ((1, 3), PWM3), ((1, 4), PWM4) )
+pwmOuts = (((1, 0), PWM0), ((1, 2), PWM2), ((1, 3), PWM3), ((1, 4), PWM4))
 
 UART1_TX = IO4
 UART1_RX = IO3
 
 # ordered as uartId, txId, rxId
-uartPorts = ( (0, UART1_TX, UART1_RX), )
\ No newline at end of file
+uartPorts = ((0, UART1_TX, UART1_RX),)