Add check to ODroid n2 to make sure i2c matches expected ports

[hackapet/Adafruit_Blinka.git] / src / adafruit_blinka / board / hardkernel / odroidn2.py

diff --git a/src/adafruit_blinka/board/hardkernel/odroidn2.py b/src/adafruit_blinka/board/hardkernel/odroidn2.py
index a5339589b39d8e87935c9c45115fc9d620e4fda3..9a0492680ed3b4f2505a71340cfc628f273dc24d 100644 (file)
--- a/src/adafruit_blinka/board/hardkernel/odroidn2.py
+++ b/src/adafruit_blinka/board/hardkernel/odroidn2.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
 """Pin definitions for the Odroid N2."""
 
 from adafruit_blinka.microcontroller.amlogic.s922x import pin
@@ -55,9 +58,15 @@ for it in pin.i2cPorts:
     globals()["SCL" + str(it[0])] = it[1]
     globals()["SDA" + str(it[0])] = it[2]
 
+SCL = None
+SDA = None
 # Set second i2c bus as default for backward compatibility.
-SCL = pin.i2cPorts[1][1]
-SDA = pin.i2cPorts[1][2]
+if len(pin.i2cPorts) > 1:
+    SCL = pin.i2cPorts[1][1]
+    SDA = pin.i2cPorts[1][2]
+elif len(pin.i2cPorts) > 0:
+    SCL = pin.i2cPorts[0][1]
+    SDA = pin.i2cPorts[0][2]
 
 SCLK = pin.SPI0_SCLK
 MOSI = pin.SPI0_MOSI