commit 35c8b2f79ea069f9063535d0f78b40e96ccae9c9
author Marti Bolivar <mbolivar@leaflabs.com> Sun Jun 22 05:13:52 2014 -0400
committer Marti Bolivar <mbolivar@leaflabs.com> Sun Jun 22 05:16:40 2014 -0400
tree de90d02bdf908fee3e15a6ef3569c41690e455e2
parent da381dd056ee7f84b067cb6c021fb768e8ada6af

Hard-code a preferred I2C bus.

src/com/projectara/araepm/DME.java

diff --git a/src/com/projectara/araepm/DME.java b/src/com/projectara/araepm/DME.java
index 3937324..6b2771e 100644
--- a/src/com/projectara/araepm/DME.java
+++ b/src/com/projectara/araepm/DME.java
@@ -8,6 +8,7 @@
 public class DME {
     private static final int slaveAddress = 0x44;
     private static final String TAG = "DME";
+    private static final String preferredI2cBus = "/dev/i2c-2";
     private static String i2cBus;
     private I2cManager i2c;
 
@@ -143,7 +144,14 @@
 
     public DME(I2cManager i2c) {
         this.i2c = i2c;
-        this.i2cBus = i2c.getI2cBuses()[0];
+        String[] buses = i2c.getI2cBuses();
+        this.i2cBus = buses[0];
+        for (String bus: buses) {
+            if (bus.equals("/dev/i2c-2")) {
+                this.i2cBus = bus;
+            }
+        }
+        Log.i(TAG, "[EPM app] Using I2C bus: " + this.i2cBus);
     }
 
     private void logByteArray(String prefix, byte[] arr) {