Untangle code and remove pylint disables

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / am335x / pin.py

diff --git a/src/adafruit_blinka/microcontroller/am335x/pin.py b/src/adafruit_blinka/microcontroller/am335x/pin.py
index 6eb4fceacfb706697903be3c830b845d280e947b..c6659ca25aad0ac71ffe4aa9a1ac5c5b2d3bf4bc 100644 (file)
--- a/src/adafruit_blinka/microcontroller/am335x/pin.py
+++ b/src/adafruit_blinka/microcontroller/am335x/pin.py
@@ -1,7 +1,19 @@
-import Adafruit_BBIO.GPIO as GPIO
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""AM335x pin names"""
+try:
+    from Adafruit_BBIO import GPIO
+except ImportError as error:
+    raise RuntimeError(
+        "The library 'Adafruit_BBIO' was not found. To install, try typing: "
+        "pip install Adafruit_BBIO"
+    ) from error
+

 
 

-# Pins dont exist in CPython so...lets make our own!

 class Pin:
 class Pin:

+    """Pins dont exist in CPython so...lets make our own!"""
+

     IN = 0
     OUT = 1
     LOW = 0
     IN = 0
     OUT = 1
     LOW = 0


@@ -24,7 +36,8 @@ class Pin:
         return self.id == other
 
     def init(self, mode=IN, pull=None):
         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)
             if mode == self.IN:
                 self._mode = self.IN
                 GPIO.setup(self.id, GPIO.IN)


@@ -33,7 +46,7 @@ class Pin:
                 GPIO.setup(self.id, GPIO.OUT)
             else:
                 raise RuntimeError("Invalid mode for pin: %s" % self.id)
                 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:
             if self._mode != self.IN:
                 raise RuntimeError("Cannot set pull resistor on output")
             if pull == self.PULL_UP:


@@ -44,7 +57,8 @@ class Pin:
                 raise RuntimeError("Invalid pull for pin: %s" % self.id)
 
     def value(self, val=None):
                 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)
             if val == self.LOW:
                 self._value = val
                 GPIO.output(self.id, val)


@@ -53,8 +67,8 @@ class Pin:
                 GPIO.output(self.id, val)
             else:
                 raise RuntimeError("Invalid value for pin")
                 GPIO.output(self.id, val)
             else:
                 raise RuntimeError("Invalid value for pin")

-        else:
-            return GPIO.input(self.id)
+            return None
+        return GPIO.input(self.id)

 
 
 # names in comments copied from
 
 
 # names in comments copied from


@@ -62,128 +76,128 @@ class Pin:
 
 # PocketBeagle
 # P1_1 = SYS VIN        # VIN_AC
 
 # PocketBeagle
 # P1_1 = SYS VIN        # VIN_AC

-P1_2 = Pin('P1_2')      # GPIO2_23 - GPIO_87
-P1_3 = Pin('P1_3')      # USB1_VBUS_OUT
-P1_4 = Pin('P1_4')      # GPIO2_25 - GPIO_89
+P1_2 = Pin("P1_2")  # GPIO2_23 - GPIO_87
+P1_3 = Pin("P1_3")  # USB1_VBUS_OUT - (silkscreen: USB1 V_EN)
+P1_4 = Pin("P1_4")  # GPIO2_25 - GPIO_89

 # P1_5 = USB VBUS       # USB1_VBUS_IN
 # P1_5 = USB VBUS       # USB1_VBUS_IN

-P1_6 = Pin('P1_6')      # SPI0_CS0 - GPIO_5
+P1_6 = Pin("P1_6")  # SPI0_CS0 - GPIO_5

 # P1_7 = USB VIN        # VIN-USB
 # P1_7 = USB VIN        # VIN-USB

-P1_8 = Pin('P1_8')      # SPI0_SCLK - GPIO_2
+P1_8 = Pin("P1_8")  # SPI0_SCLK - GPIO_2

 # P1_9 = USB1 DN        # USB1-DN
 # P1_9 = USB1 DN        # USB1-DN

-P1_10 = Pin('P1_10')    # SPI0_D0 - GPIO_3
+P1_10 = Pin("P1_10")  # SPI0_D0 - GPIO_3

 # P1_11 = USB1 DP       # USB1-DP
 # P1_11 = USB1 DP       # USB1-DP

-P1_12 = Pin('P1_12')    # SPI0_D1 - GPIO_4
+P1_12 = Pin("P1_12")  # SPI0_D1 - GPIO_4

 # P1_13 = USB1 ID       # USB1-ID
 # P1_14 = SYS 3.3V      # VOUT-3.3V
 # P1_15 = SYS GND       # GND
 # P1_16 = SYS GND       # GND
 # P1_17 = AIN 1.8V REF- # VREFN
 # P1_18 = AIN 1.8V REF+ # VREFP
 # P1_13 = USB1 ID       # USB1-ID
 # P1_14 = SYS 3.3V      # VOUT-3.3V
 # P1_15 = SYS GND       # GND
 # P1_16 = SYS GND       # GND
 # P1_17 = AIN 1.8V REF- # VREFN
 # P1_18 = AIN 1.8V REF+ # VREFP

-P1_19 = Pin('P1_19')    # AIN0
-P1_20 = Pin('P1_20')    # GPIO0_20 - GPIO_20
-P1_21 = Pin('P1_21')    # AIN1
+P1_19 = Pin("P1_19")  # AIN0
+P1_20 = Pin("P1_20")  # GPIO0_20 - GPIO_20
+P1_21 = Pin("P1_21")  # AIN1

 # P1_22 = SYS GND       # GND
 # P1_22 = SYS GND       # GND

-P1_23 = Pin('P1_23')    # AIN2
+P1_23 = Pin("P1_23")  # AIN2

 # P1_22 = SYS VOUT      # VOUT-5V
 # P1_22 = SYS VOUT      # VOUT-5V

-P1_25 = Pin('P1_25')    # AIN3
-P1_26 = Pin('P1_26')    # I2C2_SDA - GPIO_12
-P1_27 = Pin('P1_27')    # AIN4
-P1_28 = Pin('P1_28')    # I2C2_SCL - GPIO_13
-P1_29 = Pin('P1_29')    # GPIO3_21 - GPIO_117
-P1_30 = Pin('P1_30')    # UART0_TXD - GPIO_43
-P1_31 = Pin('P1_31')    # GPIO3_18 - GPIO_114
-P1_32 = Pin('P1_32')    # UART0_RXD - GPIO_42
-P1_33 = Pin('P1_33')    # GPIO3_15 - GPIO_111
-P1_34 = Pin('P1_34')    # GPIO0_26 - GPIO_26
-P1_35 = Pin('P1_35')    # GPIO2_24 - GPIO_88
-P1_36 = Pin('P1_36')    # EHRPWM0A - GPIO_110
-
-
-P2_1 = Pin('P2_1')      # EHRPWM1A - GPIO_50
-P2_2 = Pin('P2_2')      # GPIO1_27 - GPIO_59
-P2_3 = Pin('P2_3')      # GPIO0_23 - GPIO_23
-P2_4 = Pin('P2_4')      # GPIO1_26 - GPIO_58
-P2_5 = Pin('P2_5')      # UART4_RXD - GPIO_30
-P2_6 = Pin('P2_6')      # GPIO1_25 - GPIO_57
-P2_7 = Pin('P2_7')      # UART4_TXD - GPIO_31
-P2_8 = Pin('P2_8')      # GPIO1_28 - GPIO_60
-P2_9 = Pin('P2_9')      # I2C1_SCL - GPIO_15
-P2_10 = Pin('P2_10')    # GPIO1_20 - GPIO_52
-P2_11 = Pin('P2_11')    # I2C1_SDA - GPIO_14
+P1_25 = Pin("P1_25")  # AIN3
+P1_26 = Pin("P1_26")  # I2C2_SDA - GPIO_12
+P1_27 = Pin("P1_27")  # AIN4
+P1_28 = Pin("P1_28")  # I2C2_SCL - GPIO_13
+P1_29 = Pin("P1_29")  # GPIO3_21 - GPIO_117
+P1_30 = Pin("P1_30")  # UART0_TXD - GPIO_43
+P1_31 = Pin("P1_31")  # GPIO3_18 - GPIO_114
+P1_32 = Pin("P1_32")  # UART0_RXD - GPIO_42
+P1_33 = Pin("P1_33")  # GPIO3_15 - GPIO_111
+P1_34 = Pin("P1_34")  # GPIO0_26 - GPIO_26
+P1_35 = Pin("P1_35")  # GPIO2_24 - GPIO_88
+P1_36 = Pin("P1_36")  # EHRPWM0A - GPIO_110
+
+
+P2_1 = Pin("P2_1")  # EHRPWM1A - GPIO_50
+P2_2 = Pin("P2_2")  # GPIO1_27 - GPIO_59
+P2_3 = Pin("P2_3")  # GPIO0_23 - GPIO_23
+P2_4 = Pin("P2_4")  # GPIO1_26 - GPIO_58
+P2_5 = Pin("P2_5")  # UART4_RXD - GPIO_30
+P2_6 = Pin("P2_6")  # GPIO1_25 - GPIO_57
+P2_7 = Pin("P2_7")  # UART4_TXD - GPIO_31
+P2_8 = Pin("P2_8")  # GPIO1_28 - GPIO_60
+P2_9 = Pin("P2_9")  # I2C1_SCL - GPIO_15
+P2_10 = Pin("P2_10")  # GPIO1_20 - GPIO_52
+P2_11 = Pin("P2_11")  # I2C1_SDA - GPIO_14

 # P2_12 = SYS  PWR BTN  # POWER_BUTTON
 # P2_13 = SYS VOUT      # VOUT-5V
 # P2_14 = BAT VIN       # BAT-VIN
 # P2_15 = SYS GND       # GND
 # P2_16 = BAT TEMP      # BAT-TEMP
 # P2_12 = SYS  PWR BTN  # POWER_BUTTON
 # P2_13 = SYS VOUT      # VOUT-5V
 # P2_14 = BAT VIN       # BAT-VIN
 # P2_15 = SYS GND       # GND
 # P2_16 = BAT TEMP      # BAT-TEMP

-P2_17 = Pin('P2_17')    # GPIO2_1 - GPIO_65
-P2_18 = Pin('P2_18')    # GPIO1_15 - GPIO_47
-P2_19 = Pin('P2_19')    # GPIO0_27 - GPIO_27
-P2_20 = Pin('P2_20')    # GPIO2_0 - GPIO_64
+P2_17 = Pin("P2_17")  # GPIO2_1 - GPIO_65
+P2_18 = Pin("P2_18")  # GPIO1_15 - GPIO_47
+P2_19 = Pin("P2_19")  # GPIO0_27 - GPIO_27
+P2_20 = Pin("P2_20")  # GPIO2_0 - GPIO_64

 # P2_21 = SYS GND       # GND
 # P2_21 = SYS GND       # GND

-P2_22 = Pin('P2_22')    # GPIO1_14 - GPIO_46
+P2_22 = Pin("P2_22")  # GPIO1_14 - GPIO_46

 # P2_23 = SYS 3.3V      # VOUT-3.3V
 # P2_23 = SYS 3.3V      # VOUT-3.3V

-P2_24 = Pin('P2_24')    # GPIO1_12 - GPIO_44
-P2_25 = Pin('P2_25')    # SPI1_CS0 - GPIO_41
+P2_24 = Pin("P2_24")  # GPIO1_12 - GPIO_44
+P2_25 = Pin("P2_25")  # SPI1_D1 - GPIO_41

 # P2_26 = SYS NRST      # RESET#
 # P2_26 = SYS NRST      # RESET#

-P2_27 = Pin('P2_27')    # SPI1_D0 - GPIO_40
-P2_28 = Pin('P2_28')    # GPIO3_20 - GPIO_116
-P2_29 = Pin('P2_29')    # SPI1_SCLK - GPIO_7
-P2_30 = Pin('P2_30')    # GPIO3_17 - GPIO_113
-P2_31 = Pin('P2_31')    # SPI1_CS1 - GPIO_19
-P2_32 = Pin('P2_32')    # GPIO3_16 - GPIO_112
-P2_33 = Pin('P2_33')    # GPIO1_13 - GPIO_45
-P2_34 = Pin('P2_34')    # GPIO3_19 - GPIO_115
-P2_35 = Pin('P2_35')    # GPIO2_22 - GPIO_86
-P2_36 = Pin('P2_36')    # AIN7
+P2_27 = Pin("P2_27")  # SPI1_D0 - GPIO_40
+P2_28 = Pin("P2_28")  # GPIO3_20 - GPIO_116
+P2_29 = Pin("P2_29")  # SPI1_SCLK - GPIO_7
+P2_30 = Pin("P2_30")  # GPIO3_17 - GPIO_113
+P2_31 = Pin("P2_31")  # SPI1_CS1 - GPIO_19
+P2_32 = Pin("P2_32")  # GPIO3_16 - GPIO_112
+P2_33 = Pin("P2_33")  # GPIO1_13 - GPIO_45
+P2_34 = Pin("P2_34")  # GPIO3_19 - GPIO_115
+P2_35 = Pin("P2_35")  # GPIO2_22 - GPIO_86
+P2_36 = Pin("P2_36")  # AIN7

 
 
 # BeagleBone Black
 # P8_1 = DGND           # DGND - GPIO_0
 # P8_2 = DGND           # DGND - GPIO_0
 
 
 # BeagleBone Black
 # P8_1 = DGND           # DGND - GPIO_0
 # P8_2 = DGND           # DGND - GPIO_0

-P8_3 = Pin('P8_3')      # GPIO1_6 - GPIO_38
-P8_4 = Pin('P8_4')      # GPIO1_7 - GPIO_39
-P8_5 = Pin('P8_5')      # GPIO1_2 - GPIO_34
-P8_6 = Pin('P8_6')      # GPIO1_3 - GPIO_35
-P8_7 = Pin('P8_7')      # TIMER4 - GPIO_66
-P8_8 = Pin('P8_8')      # TIMER7 - GPIO_67
-P8_9 = Pin('P8_9')      # TIMER5 - GPIO_69
-P8_10 = Pin('P8_10')    # TIMER6 - GPIO_68
-P8_11 = Pin('P8_11')    # GPIO1_13 - GPIO_45
-P8_12 = Pin('P8_12')    # GPIO1_12 - GPIO_44
-P8_13 = Pin('P8_13')    # EHRPWM2B - GPIO_23
-P8_14 = Pin('P8_14')    # GPIO0_26 - GPIO_26
-P8_15 = Pin('P8_15')    # GPIO1_15 - GPIO_47
-P8_16 = Pin('P8_16')    # GPIO1_14 - GPIO_46
-P8_17 = Pin('P8_17')    # GPIO0_27 - GPIO_27
-P8_18 = Pin('P8_18')    # GPIO2_1 - GPIO_65
-P8_19 = Pin('P8_19')    # EHRPWM2A - GPIO_22
-P8_20 = Pin('P8_20')    # GPIO1_31 - GPIO_63
-P8_21 = Pin('P8_21')    # GPIO1_30 - GPIO_62
-P8_22 = Pin('P8_22')    # GPIO1_5 - GPIO_37
-P8_23 = Pin('P8_23')    # GPIO1_4 - GPIO_36
-P8_24 = Pin('P8_24')    # GPIO1_1 - GPIO_33
-P8_25 = Pin('P8_25')    # GPIO1_0 - GPIO_32
-P8_26 = Pin('P8_26')    # GPIO1_29 - GPIO_61
-P8_27 = Pin('P8_27')    # GPIO2_22 - GPIO_86
-P8_28 = Pin('P8_28')    # GPIO2_24 - GPIO_88
-P8_29 = Pin('P8_29')    # GPIO2_23 - GPIO_87
-P8_30 = Pin('P8_30')    # GPIO2_25 - GPIO_89
-P8_31 = Pin('P8_31')    # UART5_CTSN - GPIO_10
-P8_32 = Pin('P8_32')    # UART5_RTSN - GPIO_11
-P8_33 = Pin('P8_33')    # UART4_RTSN - GPIO_9
-P8_34 = Pin('P8_34')    # UART3_RTSN - GPIO_81
-P8_35 = Pin('P8_35')    # UART4_CTSN - GPIO_8
-P8_36 = Pin('P8_36')    # UART3_CTSN - GPIO_80
-P8_37 = Pin('P8_37')    # UART5_TXD - GPIO_78
-P8_38 = Pin('P8_38')    # UART5_RXD - GPIO_79
-P8_39 = Pin('P8_39')    # GPIO2_12 - GPIO_76
-P8_40 = Pin('P8_40')    # GPIO2_13 - GPIO_77
-P8_41 = Pin('P8_41')    # GPIO2_10 - GPIO_74
-P8_42 = Pin('P8_42')    # GPIO2_11 - GPIO_75
-P8_43 = Pin('P8_43')    # GPIO2_8 - GPIO_72
-P8_44 = Pin('P8_44')    # GPIO2_9 - GPIO_73
-P8_45 = Pin('P8_45')    # GPIO2_6 - GPIO_70
-P8_46 = Pin('P8_46')    # GPIO2_7 - GPIO_71
+P8_3 = Pin("P8_3")  # GPIO1_6 - GPIO_38
+P8_4 = Pin("P8_4")  # GPIO1_7 - GPIO_39
+P8_5 = Pin("P8_5")  # GPIO1_2 - GPIO_34
+P8_6 = Pin("P8_6")  # GPIO1_3 - GPIO_35
+P8_7 = Pin("P8_7")  # TIMER4 - GPIO_66
+P8_8 = Pin("P8_8")  # TIMER7 - GPIO_67
+P8_9 = Pin("P8_9")  # TIMER5 - GPIO_69
+P8_10 = Pin("P8_10")  # TIMER6 - GPIO_68
+P8_11 = Pin("P8_11")  # GPIO1_13 - GPIO_45
+P8_12 = Pin("P8_12")  # GPIO1_12 - GPIO_44
+P8_13 = Pin("P8_13")  # EHRPWM2B - GPIO_23
+P8_14 = Pin("P8_14")  # GPIO0_26 - GPIO_26
+P8_15 = Pin("P8_15")  # GPIO1_15 - GPIO_47
+P8_16 = Pin("P8_16")  # GPIO1_14 - GPIO_46
+P8_17 = Pin("P8_17")  # GPIO0_27 - GPIO_27
+P8_18 = Pin("P8_18")  # GPIO2_1 - GPIO_65
+P8_19 = Pin("P8_19")  # EHRPWM2A - GPIO_22
+P8_20 = Pin("P8_20")  # GPIO1_31 - GPIO_63
+P8_21 = Pin("P8_21")  # GPIO1_30 - GPIO_62
+P8_22 = Pin("P8_22")  # GPIO1_5 - GPIO_37
+P8_23 = Pin("P8_23")  # GPIO1_4 - GPIO_36
+P8_24 = Pin("P8_24")  # GPIO1_1 - GPIO_33
+P8_25 = Pin("P8_25")  # GPIO1_0 - GPIO_32
+P8_26 = Pin("P8_26")  # GPIO1_29 - GPIO_61
+P8_27 = Pin("P8_27")  # GPIO2_22 - GPIO_86
+P8_28 = Pin("P8_28")  # GPIO2_24 - GPIO_88
+P8_29 = Pin("P8_29")  # GPIO2_23 - GPIO_87
+P8_30 = Pin("P8_30")  # GPIO2_25 - GPIO_89
+P8_31 = Pin("P8_31")  # UART5_CTSN - GPIO_10
+P8_32 = Pin("P8_32")  # UART5_RTSN - GPIO_11
+P8_33 = Pin("P8_33")  # UART4_RTSN - GPIO_9
+P8_34 = Pin("P8_34")  # UART3_RTSN - GPIO_81
+P8_35 = Pin("P8_35")  # UART4_CTSN - GPIO_8
+P8_36 = Pin("P8_36")  # UART3_CTSN - GPIO_80
+P8_37 = Pin("P8_37")  # UART5_TXD - GPIO_78
+P8_38 = Pin("P8_38")  # UART5_RXD - GPIO_79
+P8_39 = Pin("P8_39")  # GPIO2_12 - GPIO_76
+P8_40 = Pin("P8_40")  # GPIO2_13 - GPIO_77
+P8_41 = Pin("P8_41")  # GPIO2_10 - GPIO_74
+P8_42 = Pin("P8_42")  # GPIO2_11 - GPIO_75
+P8_43 = Pin("P8_43")  # GPIO2_8 - GPIO_72
+P8_44 = Pin("P8_44")  # GPIO2_9 - GPIO_73
+P8_45 = Pin("P8_45")  # GPIO2_6 - GPIO_70
+P8_46 = Pin("P8_46")  # GPIO2_7 - GPIO_71

 
 # P9_1 = DGND           # DGND - GPIO_0
 # P9_2 = DGND           # DGND - GPIO_0
 
 # P9_1 = DGND           # DGND - GPIO_0
 # P9_2 = DGND           # DGND - GPIO_0


@@ -195,27 +209,27 @@ P8_46 = Pin('P8_46')    # GPIO2_7 - GPIO_71
 # P9_8 = SYS_5V         # SYS_5V - GPIO_0
 # P9_9 = PWR_BUT        # PWR_BUT - GPIO_0
 # P9_10 = SYS_RESETN    # SYS_RESETn - GPIO_0
 # P9_8 = SYS_5V         # SYS_5V - GPIO_0
 # P9_9 = PWR_BUT        # PWR_BUT - GPIO_0
 # P9_10 = SYS_RESETN    # SYS_RESETn - GPIO_0

-P9_11 = Pin('P9_11')    # UART4_RXD - GPIO_30
-P9_12 = Pin('P9_12')    # GPIO1_28 - GPIO_60
-P9_13 = Pin('P9_13')    # UART4_TXD - GPIO_31
-P9_14 = Pin('P9_14')    # EHRPWM1A - GPIO_50
-P9_15 = Pin('P9_15')    # GPIO1_16 - GPIO_48
-P9_16 = Pin('P9_16')    # EHRPWM1B - GPIO_51
-P9_17 = Pin('P9_17')    # I2C1_SCL - GPIO_5
-P9_18 = Pin('P9_18')    # I2C1_SDA - GPIO_4
-P9_19 = Pin('P9_19')    # I2C2_SCL - GPIO_13
-P9_20 = Pin('P9_20')    # I2C2_SDA - GPIO_12
-P9_21 = Pin('P9_21')    # UART2_TXD - GPIO_3
-P9_22 = Pin('P9_22')    # UART2_RXD - GPIO_2
-P9_23 = Pin('P9_23')    # GPIO1_17 - GPIO_49
-P9_24 = Pin('P9_24')    # UART1_TXD - GPIO_15
-P9_25 = Pin('P9_25')    # GPIO3_21 - GPIO_117
-P9_26 = Pin('P9_26')    # UART1_RXD - GPIO_14
-P9_27 = Pin('P9_27')    # GPIO3_19 - GPIO_115
-P9_28 = Pin('P9_28')    # SPI1_CS0 - GPIO_113
-P9_29 = Pin('P9_29')    # SPI1_D0 - GPIO_111
-P9_30 = Pin('P9_30')    # SPI1_D1 - GPIO_112
-P9_31 = Pin('P9_31')    # SPI1_SCLK - GPIO_110
+P9_11 = Pin("P9_11")  # UART4_RXD - GPIO_30
+P9_12 = Pin("P9_12")  # GPIO1_28 - GPIO_60
+P9_13 = Pin("P9_13")  # UART4_TXD - GPIO_31
+P9_14 = Pin("P9_14")  # EHRPWM1A - GPIO_50
+P9_15 = Pin("P9_15")  # GPIO1_16 - GPIO_48
+P9_16 = Pin("P9_16")  # EHRPWM1B - GPIO_51
+P9_17 = Pin("P9_17")  # I2C1_SCL - GPIO_5
+P9_18 = Pin("P9_18")  # I2C1_SDA - GPIO_4
+P9_19 = Pin("P9_19")  # I2C2_SCL - GPIO_13
+P9_20 = Pin("P9_20")  # I2C2_SDA - GPIO_12
+P9_21 = Pin("P9_21")  # UART2_TXD - GPIO_3
+P9_22 = Pin("P9_22")  # UART2_RXD - GPIO_2
+P9_23 = Pin("P9_23")  # GPIO1_17 - GPIO_49
+P9_24 = Pin("P9_24")  # UART1_TXD - GPIO_15
+P9_25 = Pin("P9_25")  # GPIO3_21 - GPIO_117
+P9_26 = Pin("P9_26")  # UART1_RXD - GPIO_14
+P9_27 = Pin("P9_27")  # GPIO3_19 - GPIO_115
+P9_28 = Pin("P9_28")  # SPI1_CS0 - GPIO_113
+P9_29 = Pin("P9_29")  # SPI1_D0 - GPIO_111
+P9_30 = Pin("P9_30")  # SPI1_D1 - GPIO_112
+P9_31 = Pin("P9_31")  # SPI1_SCLK - GPIO_110

 # P9_32 = VDD_ADC       # VDD_ADC - GPIO_0
 # P9_33 = AIN4          # AIN4 - GPIO_0
 # P9_34 = GNDA_ADC      # GNDA_ADC - GPIO_0
 # P9_32 = VDD_ADC       # VDD_ADC - GPIO_0
 # P9_33 = AIN4          # AIN4 - GPIO_0
 # P9_34 = GNDA_ADC      # GNDA_ADC - GPIO_0


@@ -225,33 +239,128 @@ P9_31 = Pin('P9_31')    # SPI1_SCLK - GPIO_110
 # P9_38 = AIN3          # AIN3 - GPIO_0
 # P9_39 = AIN0          # AIN0 - GPIO_0
 # P9_40 = AIN1          # AIN1 - GPIO_0
 # P9_38 = AIN3          # AIN3 - GPIO_0
 # P9_39 = AIN0          # AIN0 - GPIO_0
 # P9_40 = AIN1          # AIN1 - GPIO_0

-P9_41 = Pin('P9_41')    # CLKOUT2 - GPIO_20
-P9_42 = Pin('P9_42')    # GPIO0_7 - GPIO_7
+P9_41 = Pin("P9_41")  # CLKOUT2 - GPIO_20
+P9_42 = Pin("P9_42")  # GPIO0_7 - GPIO_7

 # P9_43 = DGND          # DGND - GPIO_0
 # P9_44 = DGND          # DGND - GPIO_0
 # P9_45 = DGND          # DGND - GPIO_0
 # P9_46 = DGND          # DGND - GPIO_0
 
 # P9_43 = DGND          # DGND - GPIO_0
 # P9_44 = DGND          # DGND - GPIO_0
 # P9_45 = DGND          # DGND - GPIO_0
 # P9_46 = DGND          # DGND - GPIO_0
 

+
+##########################################

 # common to all beagles
 # common to all beagles

-USR0 = Pin('USR0')      # USR0 - GPIO_53
-USR1 = Pin('USR1')      # USR1 - GPIO_54
-USR2 = Pin('USR2')      # USR2 - GPIO_55
-USR3 = Pin('USR3')      # USR3 - GPIO_56
-
-# all special functions (SPI / I2C) are moved to
-# src/adafruit_blinka/board/beaglebone_black.py
-
-# # ordered as spiId, sckId, mosiId, misoId
-# spiPorts = (
-#     (0, SCLK, MOSI, MISO),
-#     (1, SCLK_1, MOSI_1, MISO_1)
-# )
-#
-# # ordered as uartId, txId, rxId
-# uartPorts = (
-#     (),
-# )
-#
-# i2cPorts = (
-#     (2, SCL, SDA),
-# )
+USR0 = Pin("USR0")  # USR0 - GPIO_53
+USR1 = Pin("USR1")  # USR1 - GPIO_54
+USR2 = Pin("USR2")  # USR2 - GPIO_55
+USR3 = Pin("USR3")  # USR3 - GPIO_56
+
+
+##########################################
+# specials
+
+# analog input
+AIN0 = Pin("AIN0")
+AIN1 = Pin("AIN1")
+AIN2 = Pin("AIN2")
+AIN3 = Pin("AIN3")
+AIN4 = Pin("AIN4")
+AIN5 = Pin("AIN5")
+AIN6 = Pin("AIN6")
+AIN7 = Pin("AIN7")
+
+# PWM
+EHRPWM0A = Pin("EHRPWM0A")
+EHRPWM0B = Pin("EHRPWM0B")
+EHRPWM1A = Pin("EHRPWM1A")
+EHRPWM1B = Pin("EHRPWM1B")
+EHRPWM2A = Pin("EHRPWM2A")
+EHRPWM2B = Pin("EHRPWM2B")
+ECAPPWM0 = Pin("ECAPPWM0")
+ECAPPWM2 = Pin("ECAPPWM2")
+TIMER4 = Pin("TIMER4")
+TIMER5 = Pin("TIMER5")
+TIMER6 = Pin("TIMER6")
+TIMER7 = Pin("TIMER7")
+
+
+# I2C1
+I2C1_SDA = Pin("I2C1_SDA")
+I2C1_SCL = Pin("I2C1_SCL")
+
+# I2C2
+I2C2_SDA = Pin("I2C2_SDA")
+I2C2_SCL = Pin("I2C2_SCL")
+
+# SPI0
+SPI0_CS0 = Pin("SPI0_CS0")
+SPI0_SCLK = Pin("SPI0_SCLK")
+SPI0_D1 = Pin("SPI0_D1")
+SPI0_D0 = Pin("SPI0_D0")
+
+# SPI1
+SPI1_CS0 = Pin("SPI1_CS0")
+SPI1_CS1 = Pin("SPI1_CS1")
+SPI1_SCLK = Pin("SPI1_SCLK")
+SPI1_D1 = Pin("SPI1_D1")
+SPI1_D0 = Pin("SPI1_D0")
+
+# UART0
+UART0_TXD = Pin("UART0_TXD")
+UART0_RXD = Pin("UART0_RXD")
+
+# UART1
+UART1_TXD = Pin("UART1_TXD")
+UART1_RXD = Pin("UART1_RXD")
+UART1_RTSn = Pin("UART1_RTSn")
+UART1_CTSn = Pin("UART1_CTSn")
+
+# UART2
+UART2_TXD = Pin("UART2_TXD")
+UART2_RXD = Pin("UART2_RXD")
+
+# UART3
+UART3_TXD = Pin("UART3_TXD")
+UART3_RXD = Pin("UART3_RXD")
+UART3_RTSn = Pin("UART3_RTSn")
+UART3_CTSn = Pin("UART3_CTSn")
+
+# UART4
+UART4_TXD = Pin("UART4_TXD")
+UART4_RXD = Pin("UART4_RXD")
+UART4_RTSn = Pin("UART4_RTSn")
+UART4_CTSn = Pin("UART4_CTSn")
+
+# UART5
+UART5_TXD = Pin("UART5_TXD")
+UART5_RXD = Pin("UART5_RXD")
+UART5_RTSn = Pin("UART5_RTSn")
+UART5_CTSn = Pin("UART5_CTSn")
+
+
+# ordered as spiId, sckId, mosiId, misoId
+spiPorts = (
+    (0, SPI0_SCLK, SPI0_D1, SPI0_D0),
+    (1, SPI1_SCLK, SPI1_D1, SPI1_D0),
+)
+
+# ordered as uartId, txId, rxId
+uartPorts = (
+    # (0, UART0_TXD, UART0_RXD),
+    # (1, UART1_TXD, UART1_RXD),
+    # (2, UART2_TXD, UART2_RXD),
+    # (4, UART4_TXD, UART4_RXD),
+    # (5, UART5_TXD, UART5_RXD),
+)
+
+# ordered as i2cId, SCL, SDA
+i2cPorts = (
+    (1, I2C1_SCL, I2C1_SDA),
+    (2, I2C2_SCL, I2C2_SDA),
+)
+
+PWM1 = P1_36
+PWM2 = P1_33
+PWM3 = P2_1
+PWM4 = P2_3
+
+pwmOuts = (((0, 0), PWM1), ((0, 1), PWM2), ((2, 0), PWM3), ((4, 1), PWM4))