Glitching functions.

[goodfet] / client / goodfet.avr

diff --git a/client/goodfet.avr b/client/goodfet.avr
index b9eefcb..953e1b4 100755 (executable)
--- a/client/goodfet.avr
+++ b/client/goodfet.avr
@@ -25,6 +25,30 @@ client.serInit()
 #Connect to target
 client.start();
 
+if(sys.argv[1]=="glitch"):
+    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" % (
+            client.identstr(),
+            client.lockbits());
+if(sys.argv[1]=="glitchgraph"):
+    print "Identifies as %s" % client.identstr();
+    for voltage in range(0x860,0x890,5):
+        str="";
+        count=0;
+        #five minutes for 1,80
+        #thirty minutes for 1,500
+        
+        for i in range(1,40):
+            client.glitchVoltages(voltage, voltage);
+            client.start();
+            if(client.lockbits()==0xFF):
+                str="%s." % str;
+                count+=1;
+        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();
 if(sys.argv[1]=="erase"):
@@ -32,6 +56,10 @@ if(sys.argv[1]=="erase"):
     client.erase();
 if(sys.argv[1]=="lockbits"):
     print "Lockbits are 0x%02x" % client.lockbits();
+#if(sys.argv[1]=="lock"):
+#if(sys.argv[1]=="unlock"):
+    
+
 
 if(sys.argv[1]=="dump"):
     f = sys.argv[2];