# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1421714455 -3600
# Node ID 082a1288126973d16c7cc3202474da62ec4af9dd
# Parent  e8f1b52c1d1755ec55e95ffe2898387bb6fa4202
Added a simple timeout to prevent the program from hanging.

diff -r e8f1b52c1d17 -r 082a12881269 ArduinoAm29F010.cpp
--- a/ArduinoAm29F010.cpp	Tue Jan 20 00:58:34 2015 +0100
+++ b/ArduinoAm29F010.cpp	Tue Jan 20 01:40:55 2015 +0100
@@ -163,7 +163,7 @@
 
 bool waitForCompletion(int high, int low, int written)
 {
-    int data;
+    int data, then = millis();
 
     do
     {
@@ -171,7 +171,8 @@
         data = readOp(high, low);
     } while (
         ((data & 0x80) != (written & 0x80)) &&
-        ((data & 0x20) == 0)
+        ((data & 0x20) == 0) &&
+        (millis() - then < 2000)
         );
 
     return readOp(high, low) == written;