# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1421627198 -3600
# Node ID fd32e1d619ab7cac50cc07c54911c8db3e1c808e
# Parent  b3a0a3951381572d96f7afaa0c2a3c24cf6b2289
Fixed the command definitions and pin usage; made changes to help debugging.

diff -r b3a0a3951381 -r fd32e1d619ab ArduinoAm29F010B.cpp
--- a/ArduinoAm29F010B.cpp	Sun Jan 18 19:48:44 2015 +0100
+++ b/ArduinoAm29F010B.cpp	Mon Jan 19 01:26:38 2015 +0100
@@ -1,4 +1,4 @@
-const int CE = 1, OE = 2, WE = 3,
+const int CE = A5, OE = 2, WE = 3,
           CS1 = 4, CS2 = 5,
           DQ0 = 6, DQ1 = 7, DQ2 = 8, DQ3 = 9,
           DQ4 = 10, DQ5 = 11, DQ6 = 12, DQ7 = 13;
@@ -47,7 +47,7 @@
     int data = 0;
 
     setDataIn();
-    delayMicroseconds(1);
+    delay(10);
 
     while (1)
     {
@@ -100,10 +100,14 @@
     high = (fromHex(buffer[1]) << 4) + (fromHex(buffer[2]));
     low = (fromHex(buffer[3]) << 4) + (fromHex(buffer[4]));
 
+    digitalWrite(CE, LOW);
     setAddress(high, low);
+    delay(10);
     digitalWrite(OE, LOW);
     data = readData();
+    delay(10);
     digitalWrite(OE, HIGH);
+    digitalWrite(CE, HIGH);
 
     return data;
 }
@@ -119,10 +123,14 @@
     low = (fromHex(buffer[3]) << 4) + (fromHex(buffer[4]));
     data = (fromHex(buffer[5]) << 4) + (fromHex(buffer[6]));
 
+    digitalWrite(CE, LOW);
     setAddress(high, low);
+    delay(10);
     digitalWrite(WE, LOW);
     writeData(data);
+    delay(10);
     digitalWrite(WE, HIGH);
+    digitalWrite(CE, HIGH);
 
     return true;
 }
@@ -152,7 +160,7 @@
 
     // Interface loop.
 
-    Serial.print("? ");
+    Serial.println("?");
     Serial.setTimeout(3600000); // 1 hour
 
     while (nread = Serial.readBytesUntil('\n', buffer, BUFSIZE))
@@ -165,16 +173,15 @@
 
             case 'W':
             if (writeOutput(nread))
-                Serial.println("Written.");
+                Serial.println("W");
             else
-                Serial.println("Command?");
+                Serial.println("C");
             break;
 
             default:
+            Serial.println("?");
             break;
         }
-
-        Serial.print("? ");
     }
 
     Serial.println("Done.");
diff -r b3a0a3951381 -r fd32e1d619ab README.txt
--- a/README.txt	Sun Jan 18 19:48:44 2015 +0100
+++ b/README.txt	Mon Jan 19 01:26:38 2015 +0100
@@ -56,10 +56,10 @@
 Commands
 ========
 
-Reset                       (A=$555; D=$AA); (A=$2AA; D=$55); (A=$555; D=$F0)
-Autoselect (manufacturer)   (A=$555; D=$AA); (A=$2AA; D=$55); (A=$555; D=$90); (A=$X00; D=$XX)
+Reset                       (A=$5555; D=$AA); (A=$2AAA; D=$55); (A=$5555; D=$F0)
+Autoselect (manufacturer)   (A=$5555; D=$AA); (A=$2AAA; D=$55); (A=$5555; D=$90); (A=$X00; read)
                             => D=$01
-Autoselect (device)         (A=$555; D=$AA); (A=$2AA; D=$55); (A=$555; D=$90); (A=$X01; D=$XX)
+Autoselect (device)         (A=$5555; D=$AA); (A=$2AAA; D=$55); (A=$5555; D=$90); (A=$X01; read)
                             => D=$20
 
 Simple reset                (A=$XXX; D=$F0)
@@ -80,8 +80,8 @@
 
 As a result, only 13 pins are needed on the Arduino.
 
-Arduino     74HC273 #1  74HC273 #2  Am29F010B
--------     ----------  ----------  ---------
+Arduino     74HC273 #1  74HC273 #2  Am29F010
+-------     ----------  ----------  --------
 1                                   CE#
 2                                   OE#
 3                                   WE#