# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1440352929 -7200
# Node ID cb9fe339c6ed30d1e657c71bb13cdeaae5be4efb
# Parent  c3fae781613c6c8992581b061499031d2269ef9d
Fixed data pin I/O which made assumptions about pin ordering.

diff -r c3fae781613c -r cb9fe339c6ed ArduinoAm29F010.cpp
--- a/ArduinoAm29F010.cpp	Sun Aug 23 19:20:03 2015 +0200
+++ b/ArduinoAm29F010.cpp	Sun Aug 23 20:02:09 2015 +0200
@@ -21,6 +21,7 @@
           DQ0 = 7, DQ1 = 6, DQ2 = 5, DQ3 = 4,
           DQ4 = 8, DQ5 = 9, DQ6 = 10, DQ7 = 11;
 
+const int datapins[8] = {DQ7, DQ6, DQ5, DQ4, DQ3, DQ2, DQ1, DQ0};
 const int BUFSIZE = 9;
 char inbuffer[BUFSIZE];
 int nread = 0;
@@ -69,16 +70,14 @@
 
 int sampleData()
 {
-    int i = DQ7;
+    int i = 0; /* start at DQ7 */
     int data = 0;
 
-    while (1)
+    while (i < 8)
     {
-        data += digitalRead(i);
-        if (i == DQ0)
-            break;
-        i--;
         data <<= 1;
+        data += digitalRead(datapins[i]);
+        i++;
     }
 
     return data;
@@ -97,14 +96,12 @@
 
 void writeData(int data)
 {
-    int i = DQ0;
+    int i = 8; /* start at DQ0 */
 
-    while (1)
+    while (i > 0)
     {
-        digitalWrite(i, data % 2);
-        if (i == DQ7)
-            break;
-        i++;
+	i--;
+        digitalWrite(datapins[i], data % 2);
         data >>= 1;
     }
 }