Untangle code and remove pylint disables

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / tegra / t194 / pin.py

diff --git a/src/adafruit_blinka/microcontroller/tegra/t194/pin.py b/src/adafruit_blinka/microcontroller/tegra/t194/pin.py
index 971474e385d404f552010c176de12959ffdcc163..a63a79965ddda4c7fbe05a278c399986335e6b3f 100644 (file)
--- a/src/adafruit_blinka/microcontroller/tegra/t194/pin.py
+++ b/src/adafruit_blinka/microcontroller/tegra/t194/pin.py
@@ -1,11 +1,17 @@
-import sys
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""Tegra T194 pin names"""
 import atexit
-import Jetson.GPIO as GPIO
+from Jetson import GPIO
+
 GPIO.setmode(GPIO.TEGRA_SOC)
-GPIO.setwarnings(False)   # shh!
+GPIO.setwarnings(False)  # shh!
+
 
-# Pins dont exist in CPython so...lets make our own!
 class Pin:
+    """Pins dont exist in CPython so...lets make our own!"""
+
     IN = 0
     OUT = 1
     LOW = 0
@@ -28,7 +34,8 @@ class Pin:
         return self.id == other
 
     def init(self, mode=IN, pull=None):
-        if mode != None:
+        """Initialize the Pin"""
+        if mode is not None:
             if mode == self.IN:
                 self._mode = self.IN
                 GPIO.setup(self.id, GPIO.IN)
@@ -37,7 +44,7 @@ class Pin:
                 GPIO.setup(self.id, GPIO.OUT)
             else:
                 raise RuntimeError("Invalid mode for pin: %s" % self.id)
-        if pull != None:
+        if pull is not None:
             if self._mode != self.IN:
                 raise RuntimeError("Cannot set pull resistor on output")
             if pull == self.PULL_UP:
@@ -48,55 +55,83 @@ class Pin:
                 raise RuntimeError("Invalid pull for pin: %s" % self.id)
 
     def value(self, val=None):
-        if val != None:
+        """Set or return the Pin Value"""
+        if val is not None:
             if val == self.LOW:
                 self._value = val
                 GPIO.output(self.id, val)
-            elif val == self.HIGH:
+                return None
+            if val == self.HIGH:
                 self._value = val
                 GPIO.output(self.id, val)
-            else:
-                raise RuntimeError("Invalid value for pin")
-        else:
-            return GPIO.input(self.id)
+                return None
+            raise RuntimeError("Invalid value for pin")
+        return GPIO.input(self.id)
 
+    # pylint: disable=no-method-argument
     @atexit.register
     def cleanup():
+        """Clean up pins"""
         print("Exiting... \nCleaning up pins")
         GPIO.cleanup()
 
+    # pylint: enable=no-method-argument
+
+
 # Cannot be used as GPIO
-SDA = Pin('DP_AUX_CH3_N')
-SCL = Pin('DP_AUX_CH3_P')
-SDA_1 = Pin('GEN2_I2C_SDA')
-SCL_1 = Pin('GEN2_I2C_SCL')
-
-Q06 = Pin('SOC_GPIO42')
-AA03 = Pin('CAN0_DIN')
-AA02 = Pin('CAN0_DOUT')
-Z07 = Pin('SPI1_CS1_N')
-Z06 = Pin('SPI1_CS0_N')
-Z04 = Pin('SPI1_MISO')
-Z05 = Pin('SPI1_MOSI')
-Z03 = Pin('SPI1_SCK')
-BB01 = Pin('CAN1_EN')
-AA00 = Pin('CAN1_DOUT')
-R05 = Pin('UART1_CTS')
-R04 = Pin('UART1_RTS')
-H07 = Pin('DAP2_SCLK')
-I02 = Pin('DAP2_FS')
-I01 = Pin('DAP2_DIN')
-I00 = Pin('DAP2_DOUT')
-N01 = Pin('SOC_GPIO54')
-BB00 = Pin('CAN1_STB')
-H00 = Pin('SOC_GPIO12')
-Q01 = Pin('SOC_GPIO21')
-AA01 = Pin('CAN1_DIN')
-R00 = Pin('SOC_GPIO44')
+SDA = Pin("DP_AUX_CH3_N")
+SCL = Pin("DP_AUX_CH3_P")
+SDA_1 = Pin("GEN2_I2C_SDA")
+SCL_1 = Pin("GEN2_I2C_SCL")
+
+# Jetson Xavier only
+Q06 = Pin("SOC_GPIO42")
+AA03 = Pin("CAN0_DIN")
+AA02 = Pin("CAN0_DOUT")
+BB01 = Pin("CAN1_EN")
+AA00 = Pin("CAN1_DOUT")
+H07 = Pin("DAP2_SCLK")
+I02 = Pin("DAP2_FS")
+I01 = Pin("DAP2_DIN")
+I00 = Pin("DAP2_DOUT")
+BB00 = Pin("CAN1_STB")
+H00 = Pin("SOC_GPIO12")
+Q01 = Pin("SOC_GPIO21")
+AA01 = Pin("CAN1_DIN")
+
+# Jetson NX only
+S04 = Pin("AUD_MCLK")
+T05 = Pin("DAP5_SCLK")
+Y00 = Pin("SPI3_SCK")
+CC04 = Pin("TOUCH_CLK")
+Y04 = Pin("SPI3_CS1_N")
+Y03 = Pin("SPI3_CS0_N")
+Y01 = Pin("SPI3_MISO")
+Q05 = Pin("SOC_GPIO41")
+Q06 = Pin("SOC_GPIO42")
+U00 = Pin("DAP5_FS")
+Y02 = Pin("SPI3_MOSI")
+T07 = Pin("DAP5_DIN")
+T06 = Pin("DAP5_DOUT")
+
+# Clara AGX Xavier only
+P04 = Pin("SOC_GPIO04")
+
+# Shared
+N01 = Pin("SOC_GPIO54")
+R00 = Pin("SOC_GPIO44")
+R04 = Pin("UART1_RTS")
+R05 = Pin("UART1_CTS")
+Z03 = Pin("SPI1_SCK")
+Z04 = Pin("SPI1_MISO")
+Z05 = Pin("SPI1_MOSI")
+Z06 = Pin("SPI1_CS0_N")
+Z07 = Pin("SPI1_CS1_N")
 
 i2cPorts = (
-    (8, SCL, SDA), (1, SCL_1, SDA_1),
+    (8, SCL, SDA),
+    (1, SCL_1, SDA_1),
 )
 
 # ordered as spiId, sckId, mosiId, misoId
-spiPorts = ((0, Z03, Z05, Z04), )
+spiPorts = ((0, Z03, Z05, Z04),)