366 lines
11 KiB
Python
366 lines
11 KiB
Python
# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""AM335x pin names"""
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try:
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from Adafruit_BBIO import GPIO
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except ImportError as error:
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raise RuntimeError(
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"The library 'Adafruit_BBIO' was not found. To install, try typing: "
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"pip install Adafruit_BBIO"
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) from error
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class Pin:
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"""Pins dont exist in CPython so...lets make our own!"""
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IN = 0
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OUT = 1
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LOW = 0
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HIGH = 1
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PULL_NONE = 0
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PULL_UP = 1
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PULL_DOWN = 2
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id = None
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_value = LOW
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_mode = IN
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def __init__(self, pin_name):
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self.id = pin_name
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def __repr__(self):
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return str(self.id)
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def __eq__(self, other):
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return self.id == other
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def init(self, mode=IN, pull=None):
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"""Initialize the Pin"""
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if mode is not None:
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if mode == self.IN:
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self._mode = self.IN
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GPIO.setup(self.id, GPIO.IN)
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elif mode == self.OUT:
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self._mode = self.OUT
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GPIO.setup(self.id, GPIO.OUT)
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else:
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raise RuntimeError("Invalid mode for pin: %s" % self.id)
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if pull is not None:
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if self._mode != self.IN:
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raise RuntimeError("Cannot set pull resistor on output")
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if pull == self.PULL_UP:
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GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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elif pull == self.PULL_DOWN:
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GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
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else:
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raise RuntimeError("Invalid pull for pin: %s" % self.id)
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def value(self, val=None):
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"""Set or return the Pin Value"""
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if val is not None:
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if val == self.LOW:
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self._value = val
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GPIO.output(self.id, val)
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elif val == self.HIGH:
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self._value = val
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GPIO.output(self.id, val)
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else:
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raise RuntimeError("Invalid value for pin")
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return None
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return GPIO.input(self.id)
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# names in comments copied from
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# https://github.com/adafruit/adafruit-beaglebone-io-python/blob/master/source/common.c#L73
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# PocketBeagle
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# P1_1 = SYS VIN # VIN_AC
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P1_2 = Pin("P1_2") # GPIO2_23 - GPIO_87
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P1_3 = Pin("P1_3") # USB1_VBUS_OUT - (silkscreen: USB1 V_EN)
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P1_4 = Pin("P1_4") # GPIO2_25 - GPIO_89
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# P1_5 = USB VBUS # USB1_VBUS_IN
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P1_6 = Pin("P1_6") # SPI0_CS0 - GPIO_5
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# P1_7 = USB VIN # VIN-USB
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P1_8 = Pin("P1_8") # SPI0_SCLK - GPIO_2
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# P1_9 = USB1 DN # USB1-DN
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P1_10 = Pin("P1_10") # SPI0_D0 - GPIO_3
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# P1_11 = USB1 DP # USB1-DP
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P1_12 = Pin("P1_12") # SPI0_D1 - GPIO_4
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# P1_13 = USB1 ID # USB1-ID
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# P1_14 = SYS 3.3V # VOUT-3.3V
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# P1_15 = SYS GND # GND
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# P1_16 = SYS GND # GND
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# P1_17 = AIN 1.8V REF- # VREFN
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# P1_18 = AIN 1.8V REF+ # VREFP
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P1_19 = Pin("P1_19") # AIN0
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P1_20 = Pin("P1_20") # GPIO0_20 - GPIO_20
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P1_21 = Pin("P1_21") # AIN1
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# P1_22 = SYS GND # GND
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P1_23 = Pin("P1_23") # AIN2
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# P1_22 = SYS VOUT # VOUT-5V
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P1_25 = Pin("P1_25") # AIN3
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P1_26 = Pin("P1_26") # I2C2_SDA - GPIO_12
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P1_27 = Pin("P1_27") # AIN4
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P1_28 = Pin("P1_28") # I2C2_SCL - GPIO_13
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P1_29 = Pin("P1_29") # GPIO3_21 - GPIO_117
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P1_30 = Pin("P1_30") # UART0_TXD - GPIO_43
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P1_31 = Pin("P1_31") # GPIO3_18 - GPIO_114
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P1_32 = Pin("P1_32") # UART0_RXD - GPIO_42
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P1_33 = Pin("P1_33") # GPIO3_15 - GPIO_111
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P1_34 = Pin("P1_34") # GPIO0_26 - GPIO_26
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P1_35 = Pin("P1_35") # GPIO2_24 - GPIO_88
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P1_36 = Pin("P1_36") # EHRPWM0A - GPIO_110
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P2_1 = Pin("P2_1") # EHRPWM1A - GPIO_50
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P2_2 = Pin("P2_2") # GPIO1_27 - GPIO_59
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P2_3 = Pin("P2_3") # GPIO0_23 - GPIO_23
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P2_4 = Pin("P2_4") # GPIO1_26 - GPIO_58
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P2_5 = Pin("P2_5") # UART4_RXD - GPIO_30
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P2_6 = Pin("P2_6") # GPIO1_25 - GPIO_57
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P2_7 = Pin("P2_7") # UART4_TXD - GPIO_31
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P2_8 = Pin("P2_8") # GPIO1_28 - GPIO_60
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P2_9 = Pin("P2_9") # I2C1_SCL - GPIO_15
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P2_10 = Pin("P2_10") # GPIO1_20 - GPIO_52
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P2_11 = Pin("P2_11") # I2C1_SDA - GPIO_14
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# P2_12 = SYS PWR BTN # POWER_BUTTON
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# P2_13 = SYS VOUT # VOUT-5V
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# P2_14 = BAT VIN # BAT-VIN
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# P2_15 = SYS GND # GND
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# P2_16 = BAT TEMP # BAT-TEMP
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P2_17 = Pin("P2_17") # GPIO2_1 - GPIO_65
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P2_18 = Pin("P2_18") # GPIO1_15 - GPIO_47
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P2_19 = Pin("P2_19") # GPIO0_27 - GPIO_27
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P2_20 = Pin("P2_20") # GPIO2_0 - GPIO_64
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# P2_21 = SYS GND # GND
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P2_22 = Pin("P2_22") # GPIO1_14 - GPIO_46
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# P2_23 = SYS 3.3V # VOUT-3.3V
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P2_24 = Pin("P2_24") # GPIO1_12 - GPIO_44
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P2_25 = Pin("P2_25") # SPI1_D1 - GPIO_41
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# P2_26 = SYS NRST # RESET#
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P2_27 = Pin("P2_27") # SPI1_D0 - GPIO_40
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P2_28 = Pin("P2_28") # GPIO3_20 - GPIO_116
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P2_29 = Pin("P2_29") # SPI1_SCLK - GPIO_7
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P2_30 = Pin("P2_30") # GPIO3_17 - GPIO_113
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P2_31 = Pin("P2_31") # SPI1_CS1 - GPIO_19
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P2_32 = Pin("P2_32") # GPIO3_16 - GPIO_112
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P2_33 = Pin("P2_33") # GPIO1_13 - GPIO_45
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P2_34 = Pin("P2_34") # GPIO3_19 - GPIO_115
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P2_35 = Pin("P2_35") # GPIO2_22 - GPIO_86
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P2_36 = Pin("P2_36") # AIN7
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# BeagleBone Black
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# P8_1 = DGND # DGND - GPIO_0
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# P8_2 = DGND # DGND - GPIO_0
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P8_3 = Pin("P8_3") # GPIO1_6 - GPIO_38
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P8_4 = Pin("P8_4") # GPIO1_7 - GPIO_39
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P8_5 = Pin("P8_5") # GPIO1_2 - GPIO_34
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P8_6 = Pin("P8_6") # GPIO1_3 - GPIO_35
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P8_7 = Pin("P8_7") # TIMER4 - GPIO_66
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P8_8 = Pin("P8_8") # TIMER7 - GPIO_67
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P8_9 = Pin("P8_9") # TIMER5 - GPIO_69
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P8_10 = Pin("P8_10") # TIMER6 - GPIO_68
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P8_11 = Pin("P8_11") # GPIO1_13 - GPIO_45
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P8_12 = Pin("P8_12") # GPIO1_12 - GPIO_44
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P8_13 = Pin("P8_13") # EHRPWM2B - GPIO_23
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P8_14 = Pin("P8_14") # GPIO0_26 - GPIO_26
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P8_15 = Pin("P8_15") # GPIO1_15 - GPIO_47
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P8_16 = Pin("P8_16") # GPIO1_14 - GPIO_46
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P8_17 = Pin("P8_17") # GPIO0_27 - GPIO_27
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P8_18 = Pin("P8_18") # GPIO2_1 - GPIO_65
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P8_19 = Pin("P8_19") # EHRPWM2A - GPIO_22
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P8_20 = Pin("P8_20") # GPIO1_31 - GPIO_63
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P8_21 = Pin("P8_21") # GPIO1_30 - GPIO_62
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P8_22 = Pin("P8_22") # GPIO1_5 - GPIO_37
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P8_23 = Pin("P8_23") # GPIO1_4 - GPIO_36
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P8_24 = Pin("P8_24") # GPIO1_1 - GPIO_33
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P8_25 = Pin("P8_25") # GPIO1_0 - GPIO_32
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P8_26 = Pin("P8_26") # GPIO1_29 - GPIO_61
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P8_27 = Pin("P8_27") # GPIO2_22 - GPIO_86
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P8_28 = Pin("P8_28") # GPIO2_24 - GPIO_88
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P8_29 = Pin("P8_29") # GPIO2_23 - GPIO_87
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P8_30 = Pin("P8_30") # GPIO2_25 - GPIO_89
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P8_31 = Pin("P8_31") # UART5_CTSN - GPIO_10
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P8_32 = Pin("P8_32") # UART5_RTSN - GPIO_11
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P8_33 = Pin("P8_33") # UART4_RTSN - GPIO_9
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P8_34 = Pin("P8_34") # UART3_RTSN - GPIO_81
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P8_35 = Pin("P8_35") # UART4_CTSN - GPIO_8
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P8_36 = Pin("P8_36") # UART3_CTSN - GPIO_80
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P8_37 = Pin("P8_37") # UART5_TXD - GPIO_78
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P8_38 = Pin("P8_38") # UART5_RXD - GPIO_79
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P8_39 = Pin("P8_39") # GPIO2_12 - GPIO_76
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P8_40 = Pin("P8_40") # GPIO2_13 - GPIO_77
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P8_41 = Pin("P8_41") # GPIO2_10 - GPIO_74
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P8_42 = Pin("P8_42") # GPIO2_11 - GPIO_75
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P8_43 = Pin("P8_43") # GPIO2_8 - GPIO_72
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P8_44 = Pin("P8_44") # GPIO2_9 - GPIO_73
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P8_45 = Pin("P8_45") # GPIO2_6 - GPIO_70
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P8_46 = Pin("P8_46") # GPIO2_7 - GPIO_71
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# P9_1 = DGND # DGND - GPIO_0
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# P9_2 = DGND # DGND - GPIO_0
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# P9_3 = VDD_3V3 # VDD_3V3 - GPIO_0
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# P9_4 = VDD_3V3 # VDD_3V3 - GPIO_0
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# P9_5 = VDD_5V # VDD_5V - GPIO_0
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# P9_6 = VDD_5V # VDD_5V - GPIO_0
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# P9_7 = SYS_5V # SYS_5V - GPIO_0
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# P9_8 = SYS_5V # SYS_5V - GPIO_0
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# P9_9 = PWR_BUT # PWR_BUT - GPIO_0
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# P9_10 = SYS_RESETN # SYS_RESETn - GPIO_0
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P9_11 = Pin("P9_11") # UART4_RXD - GPIO_30
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P9_12 = Pin("P9_12") # GPIO1_28 - GPIO_60
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P9_13 = Pin("P9_13") # UART4_TXD - GPIO_31
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P9_14 = Pin("P9_14") # EHRPWM1A - GPIO_50
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P9_15 = Pin("P9_15") # GPIO1_16 - GPIO_48
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P9_16 = Pin("P9_16") # EHRPWM1B - GPIO_51
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P9_17 = Pin("P9_17") # I2C1_SCL - GPIO_5
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P9_18 = Pin("P9_18") # I2C1_SDA - GPIO_4
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P9_19 = Pin("P9_19") # I2C2_SCL - GPIO_13
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P9_20 = Pin("P9_20") # I2C2_SDA - GPIO_12
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P9_21 = Pin("P9_21") # UART2_TXD - GPIO_3
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P9_22 = Pin("P9_22") # UART2_RXD - GPIO_2
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P9_23 = Pin("P9_23") # GPIO1_17 - GPIO_49
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P9_24 = Pin("P9_24") # UART1_TXD - GPIO_15
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P9_25 = Pin("P9_25") # GPIO3_21 - GPIO_117
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P9_26 = Pin("P9_26") # UART1_RXD - GPIO_14
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P9_27 = Pin("P9_27") # GPIO3_19 - GPIO_115
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P9_28 = Pin("P9_28") # SPI1_CS0 - GPIO_113
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P9_29 = Pin("P9_29") # SPI1_D0 - GPIO_111
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P9_30 = Pin("P9_30") # SPI1_D1 - GPIO_112
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P9_31 = Pin("P9_31") # SPI1_SCLK - GPIO_110
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# P9_32 = VDD_ADC # VDD_ADC - GPIO_0
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# P9_33 = AIN4 # AIN4 - GPIO_0
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# P9_34 = GNDA_ADC # GNDA_ADC - GPIO_0
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# P9_35 = AIN6 # AIN6 - GPIO_0
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# P9_36 = AIN5 # AIN5 - GPIO_0
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# P9_37 = AIN2 # AIN2 - GPIO_0
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# P9_38 = AIN3 # AIN3 - GPIO_0
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# P9_39 = AIN0 # AIN0 - GPIO_0
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# P9_40 = AIN1 # AIN1 - GPIO_0
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P9_41 = Pin("P9_41") # CLKOUT2 - GPIO_20
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P9_42 = Pin("P9_42") # GPIO0_7 - GPIO_7
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# P9_43 = DGND # DGND - GPIO_0
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# P9_44 = DGND # DGND - GPIO_0
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# P9_45 = DGND # DGND - GPIO_0
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# P9_46 = DGND # DGND - GPIO_0
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##########################################
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# common to all beagles
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USR0 = Pin("USR0") # USR0 - GPIO_53
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USR1 = Pin("USR1") # USR1 - GPIO_54
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USR2 = Pin("USR2") # USR2 - GPIO_55
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USR3 = Pin("USR3") # USR3 - GPIO_56
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##########################################
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# specials
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# analog input
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AIN0 = Pin("AIN0")
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AIN1 = Pin("AIN1")
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AIN2 = Pin("AIN2")
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AIN3 = Pin("AIN3")
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AIN4 = Pin("AIN4")
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AIN5 = Pin("AIN5")
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AIN6 = Pin("AIN6")
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AIN7 = Pin("AIN7")
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# PWM
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EHRPWM0A = Pin("EHRPWM0A")
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EHRPWM0B = Pin("EHRPWM0B")
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EHRPWM1A = Pin("EHRPWM1A")
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EHRPWM1B = Pin("EHRPWM1B")
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EHRPWM2A = Pin("EHRPWM2A")
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EHRPWM2B = Pin("EHRPWM2B")
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ECAPPWM0 = Pin("ECAPPWM0")
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ECAPPWM2 = Pin("ECAPPWM2")
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TIMER4 = Pin("TIMER4")
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TIMER5 = Pin("TIMER5")
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TIMER6 = Pin("TIMER6")
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TIMER7 = Pin("TIMER7")
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# I2C1
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I2C1_SDA = Pin("I2C1_SDA")
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I2C1_SCL = Pin("I2C1_SCL")
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# I2C2
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I2C2_SDA = Pin("I2C2_SDA")
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I2C2_SCL = Pin("I2C2_SCL")
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# SPI0
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SPI0_CS0 = Pin("SPI0_CS0")
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SPI0_SCLK = Pin("SPI0_SCLK")
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SPI0_D1 = Pin("SPI0_D1")
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SPI0_D0 = Pin("SPI0_D0")
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# SPI1
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SPI1_CS0 = Pin("SPI1_CS0")
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SPI1_CS1 = Pin("SPI1_CS1")
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SPI1_SCLK = Pin("SPI1_SCLK")
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SPI1_D1 = Pin("SPI1_D1")
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SPI1_D0 = Pin("SPI1_D0")
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# UART0
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UART0_TXD = Pin("UART0_TXD")
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UART0_RXD = Pin("UART0_RXD")
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# UART1
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UART1_TXD = Pin("UART1_TXD")
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UART1_RXD = Pin("UART1_RXD")
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UART1_RTSn = Pin("UART1_RTSn")
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UART1_CTSn = Pin("UART1_CTSn")
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# UART2
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UART2_TXD = Pin("UART2_TXD")
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UART2_RXD = Pin("UART2_RXD")
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# UART3
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UART3_TXD = Pin("UART3_TXD")
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UART3_RXD = Pin("UART3_RXD")
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UART3_RTSn = Pin("UART3_RTSn")
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UART3_CTSn = Pin("UART3_CTSn")
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# UART4
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UART4_TXD = Pin("UART4_TXD")
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UART4_RXD = Pin("UART4_RXD")
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UART4_RTSn = Pin("UART4_RTSn")
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UART4_CTSn = Pin("UART4_CTSn")
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# UART5
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UART5_TXD = Pin("UART5_TXD")
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UART5_RXD = Pin("UART5_RXD")
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UART5_RTSn = Pin("UART5_RTSn")
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UART5_CTSn = Pin("UART5_CTSn")
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# ordered as spiId, sckId, mosiId, misoId
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spiPorts = (
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(0, SPI0_SCLK, SPI0_D1, SPI0_D0),
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(1, SPI1_SCLK, SPI1_D1, SPI1_D0),
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)
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# ordered as uartId, txId, rxId
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uartPorts = (
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# (0, UART0_TXD, UART0_RXD),
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# (1, UART1_TXD, UART1_RXD),
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# (2, UART2_TXD, UART2_RXD),
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# (4, UART4_TXD, UART4_RXD),
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# (5, UART5_TXD, UART5_RXD),
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)
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# ordered as i2cId, SCL, SDA
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i2cPorts = (
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(1, I2C1_SCL, I2C1_SDA),
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(2, I2C2_SCL, I2C2_SDA),
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)
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PWM1 = P1_36
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PWM2 = P1_33
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PWM3 = P2_1
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PWM4 = P2_3
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pwmOuts = (((0, 0), PWM1), ((0, 1), PWM2), ((2, 0), PWM3), ((4, 1), PWM4))
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