added comments

[goodfet] / client / goodfet.avr

diff --git a/client/goodfet.avr b/client/goodfet.avr
index 953e1b4..5eee753 100755 (executable)
--- a/client/goodfet.avr
+++ b/client/goodfet.avr
@@ -10,8 +10,8 @@ if(len(sys.argv)==1):
     print "Usage: %s verb [objects]\n" % sys.argv[0];
     print "%s test" % sys.argv[0];
     print "%s info" % sys.argv[0];
-    print "%s lockbits" % sys.argv[0];
-    #print "%s dump $foo.hex [0x$start 0x$stop]" % sys.argv[0];
+    print "%s lockbits [value]" % sys.argv[0];
+    print "%s dumpflash $foo.hex [0x$start 0x$stop]" % sys.argv[0];
     print "%s erase" % sys.argv[0];
     #print "%s flash $foo.hex [0x$start 0x$stop]" % sys.argv[0];
     #print "%s verify $foo.hex [0x$start 0x$stop]" % sys.argv[0];
@@ -28,11 +28,12 @@ client.start();
 if(sys.argv[1]=="glitch"):
     print "Identifies as %s" % client.identstr();
     client.glitchVoltages(0x880, 0xfff);
-    for i in range(1,20):
+    for i in range(1,2000):
         client.start();
-        print "Identifies as %s, fused 0x%02x" % (
+        print "Identifies as %s, fused 0x%02x; eeprom(0)=%02x" % (
             client.identstr(),
-            client.lockbits());
+            client.lockbits(),
+            client.eeprompeek(0));
 if(sys.argv[1]=="glitchgraph"):
     print "Identifies as %s" % client.identstr();
     for voltage in range(0x860,0x890,5):
@@ -50,18 +51,35 @@ if(sys.argv[1]=="glitchgraph"):
         print "%04x %s" % (voltage,str);
         #print "%f, %i" % (voltage*(3.3/4096.0),count);
 if(sys.argv[1]=="info"):
-    print "Identifies as %s" % client.identstr();
+    print "Identifies as %s, lock=%02x" % (client.identstr(),client.lockbits());
 if(sys.argv[1]=="erase"):
     print "Erasing %s" % client.identstr();
     client.erase();
 if(sys.argv[1]=="lockbits"):
     print "Lockbits are 0x%02x" % client.lockbits();
-#if(sys.argv[1]=="lock"):
+    if(len(sys.argv)>2):
+        print "Lockbits set 0x%02x" %  client.setlockbits(int(sys.argv[2],16));
+if(sys.argv[1]=="lock"):
+    client.setlockbits(0xFC);
+
+if(sys.argv[1]=="unlock"):
+    print "Identifies as %s" % client.identstr();
+    client.glitchVoltages(0x880, 0xfff);
+    for i in range(1,20):
+        client.start();
+        print "Identifies as %s, fused 0x%02x; eeprom(0)=%02x" % (
+            client.identstr(),
+            client.lockbits(),
+            client.eeprompeek(0));
+        if(client.lockbits()==0xFF):
+            client.setlockbits(0xFF);
+            print "Chip unlocked!"
+            exit();
 #if(sys.argv[1]=="unlock"):
     
 
 
-if(sys.argv[1]=="dump"):
+if(sys.argv[1]=="dumpflash"):
     f = sys.argv[2];
     start=0x0000;
     stop=0xFFFF;
@@ -94,6 +112,7 @@ if(sys.argv[1]=="peekeeprom"):
     while start<=stop:
         print "%06x: %02x" % (start,client.eeprompeek(start));
         start=start+1;
+
 if(sys.argv[1]=="peekflash"):
     start=0x0000;
     if(len(sys.argv)>2):