Added individual jetson board and tegra chip integration

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

diff --git a/src/adafruit_blinka/microcontroller/tegra/xavier/pin.py b/src/adafruit_blinka/microcontroller/tegra/xavier/pin.py
new file mode 100644 (file)
index 0000000..26f0f7b
--- /dev/null
+++ b/src/adafruit_blinka/microcontroller/tegra/xavier/pin.py
@@ -0,0 +1,115 @@
+import sys
+import atexit
+sys.path.append("/opt/nvidia/jetson-gpio/lib/python")
+sys.path.append("/opt/nvidia/jetson-gpio/lib/python/Jetson/GPIO")
+import Jetson.GPIO as GPIO
+GPIO.setmode(GPIO.TEGRA_SOC)
+GPIO.setwarnings(False)   # shh!
+
+# Pins dont exist in CPython so...lets make our own!
+class Pin:
+    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):
+        if mode != 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 != 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):
+        if val != None:
+            if val == self.LOW:
+                self._value = val
+                GPIO.output(self.id, val)
+            elif val == self.HIGH:
+                self._value = val
+                GPIO.output(self.id, val)
+            else:
+                raise RuntimeError("Invalid value for pin")
+        else:
+            return GPIO.input(self.id)
+
+    @atexit.register
+    def cleanup():
+        print("Exiting... \nCleaning up pins")
+        GPIO.cleanup()
+
+# 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')
+
+i2cPorts = (
+    (8, SCL, SDA), (1, SCL_1, SDA_1),
+)
+
+
+
+
+
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+