added i2c

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

diff --git a/src/adafruit_blinka/microcontroller/tegra/pin.py b/src/adafruit_blinka/microcontroller/tegra/pin.py
index 6c2709618dd594bd7ae1ab95c44a693dc287b342..fa535ce272e24c699bfd7c244f96cb041595cb12 100644 (file)
--- a/src/adafruit_blinka/microcontroller/tegra/pin.py
+++ b/src/adafruit_blinka/microcontroller/tegra/pin.py
@@ -1,10 +1,22 @@
 import sys
 import sys

+import Jetson.GPIO as GPIO

 sys.path.append("/opt/nvidia/jetson-gpio/lib/python")
 sys.path.append("/opt/nvidia/jetson-gpio/lib/python/Jetson/GPIO")
 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.BCM)
 GPIO.setwarnings(False)   # shh!
 
 GPIO.setmode(GPIO.BCM)
 GPIO.setwarnings(False)   # shh!
 

+# Each Jetson model uses different I2C busses
+JETSON_I2C_BUS_DEFS = {
+    "JETSON_TX1": [0, 1],
+    "JETSON_TX2": [1, 0],
+    "JETSON_XAVIER": [8, 1],
+    "JETSON_TXX": [1, 0]
+}
+
+model = GPIO.get_model()
+I2C_BUS = JETSON_I2C_BUS_DEFS[model][0]
+I2C_BUS_1 = JETSON_I2C_BUS_DEFS[model][1]
+

 # Pins dont exist in CPython so...lets make our own!
 class Pin:
     IN = 0
 # Pins dont exist in CPython so...lets make our own!
 class Pin:
     IN = 0


@@ -72,8 +84,10 @@ class Pin:
 D1 = Pin(1)
 D2 = Pin(2)
 D3 = Pin(3)
 D1 = Pin(1)
 D2 = Pin(2)
 D3 = Pin(3)

+SDA = Pin(3)

 D4 = Pin(4)
 D5 = Pin(5)
 D4 = Pin(4)
 D5 = Pin(5)

+SCL = Pin(5)

 D6 = Pin(6)
 D7 = Pin(7)
 D8 = Pin(8)
 D6 = Pin(6)
 D7 = Pin(7)
 D8 = Pin(8)


@@ -96,7 +110,9 @@ D24 = Pin(24)
 D25 = Pin(25)
 D26 = Pin(26)
 D27 = Pin(27)
 D25 = Pin(25)
 D26 = Pin(26)
 D27 = Pin(27)

+SDA_1 = Pin(27)

 D28 = Pin(28)
 D28 = Pin(28)

+SCL_1 = Pin(28)

 D29 = Pin(29)
 D30 = Pin(30)
 D31 = Pin(31)
 D29 = Pin(29)
 D30 = Pin(30)
 D31 = Pin(31)


@@ -109,3 +125,8 @@ D37 = Pin(37)
 D38 = Pin(38)
 D39 = Pin(39)
 D40 = Pin(40)
 D38 = Pin(38)
 D39 = Pin(39)
 D40 = Pin(40)

+
+i2cPorts = (
+    (I2C_BUS, SCL, SDA), (I2C_BUS_1, SCL_1, SDA_1),
+)
+