--- /dev/null
+# SPDX-FileCopyrightText: 2022 Linh Hoang for NVIDIA
+# SPDX-FileCopyrightText: 2022 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+"""Tegra T234 pin names"""
+import atexit
+from Jetson import GPIO
+
+GPIO.setmode(GPIO.TEGRA_SOC)
+GPIO.setwarnings(False) # shh!
+
+
+class Pin:
+ """Pins dont exist in CPython so...lets make our own!"""
+
+ 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
+
+ def __repr__(self):
+ return str(self.id)
+
+ def __eq__(self, other):
+ return self.id == other
+
+ def init(self, mode=IN, pull=None):
+ """Initialize the Pin"""
+ if mode is not 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 is not 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):
+ """Set or return the Pin Value"""
+ if val is not None:
+ if val == self.LOW:
+ self._value = val
+ GPIO.output(self.id, val)
+ return None
+ if val == self.HIGH:
+ self._value = val
+ GPIO.output(self.id, val)
+ 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("GP16_I2C8_DAT") # I2C4
+SCL = Pin("GP81_I2C9_CLK")
+SDA_1 = Pin("GP14_I2C2_DAT") # I2C2
+SCL_1 = Pin("GP13_I2C2_CLK")
+
+# Jetson AGX Orin
+Q06 = Pin("GP66")
+R04 = Pin("GP72_UART1_RTS_N")
+H07 = Pin("GP122")
+R00 = Pin("GP68")
+N01 = Pin("GP88_PWM1")
+BB00 = Pin("GP25")
+H00 = Pin("GP115")
+Z05 = Pin("GP49_SPI1_MOSI")
+Z04 = Pin("GP48_SPI1_MISO")
+P04 = Pin("GP56")
+Z03 = Pin("GP47_SPI1_CLK")
+Z06 = Pin("GP50_SPI1_CS0_N")
+Z07 = Pin("GP51_SPI1_CS1_N")
+AA01 = Pin("GP18_CAN0_DIN")
+AA00 = Pin("GP17_CAN0_DOUT")
+BB01 = Pin("GP26")
+AA02 = Pin("GP19_CAN1_DOUT")
+I02 = Pin("GP125")
+R05 = Pin("GP73_UART1_CTS_N")
+AA03 = Pin("GP20_CAN1_DIN")
+I01 = Pin("GP124")
+I00 = Pin("GP123")
+
+i2cPorts = (
+ (7, SCL, SDA),
+ (1, SCL_1, SDA_1),
+)
+
+# ordered as spiId, sckId, mosiId, misoId
+spiPorts = ((0, Z03, Z05, Z04),)
projects / Adafruit_Blinka-hackapet.git / commitdiff