readChunk (may replace readMem) is implemented, moving memory into regs then reading...

[goodfet] / client / GoodFET.py

diff --git a/client/GoodFET.py b/client/GoodFET.py
index 3033093..c3ab99e 100755 (executable)
--- a/client/GoodFET.py
+++ b/client/GoodFET.py
@@ -288,7 +288,7 @@ class GoodFET:
             except TypeError:
                 if self.connected:
                     print "Error: waiting for serial read timed out (most likely).";
-                    print "This shouldn't happen after syncing.  Exiting for safety.";
+                    print "This shouldn't happen after syncing.  Exiting for safety.";                    
                     sys.exit(-1)
                 return self.data;
     #Glitching stuff.
@@ -313,8 +313,11 @@ class GoodFET:
         """Time the execution of a verb."""
         if data==None: data=[];
         self.data=[app&0xff, verb&0xFF]+data;
+        print "Timing app %02x verb %02x." % (app,verb);
         self.writecmd(self.GLITCHAPP,0x82,len(self.data),self.data);
-        return ord(self.data[0])+(ord(self.data[1])<<8);
+        time=ord(self.data[0])+(ord(self.data[1])<<8);
+        print "Timed to be %i." % time;
+        return time;
     def glitchVoltages(self,low=0x0880, high=0x0fff):
         """Set glitching voltages. (0x0fff is max.)"""
         self.data=[low&0xff, (low>>8)&0xff,
@@ -366,11 +369,23 @@ class GoodFET:
     def peek(self,address):
         """Read a word of memory from the monitor."""
         return self.peekbyte(address)+(self.peekbyte(address+1)<<8);
+    def eeprompeek(self,address):
+        """Read a word of memory from the monitor."""
+        return self.peekbyte(address)+(self.peekbyte(address+1)<<8);
+    
     def pokebyte(self,address,value):
         """Set a byte of memory by the monitor."""
         self.data=[address&0xff,address>>8,value];
         self.writecmd(0,0x03,3,self.data);
         return ord(self.data[0]);
+    def setsecret(self,value):
+        """Set a secret word for later retreival.  Used by glitcher."""
+        self.eeprompoke(0,value);
+        self.eeprompoke(1,value);
+    def getsecret(self):
+        """Get a secret word.  Used by glitcher."""
+        self.eeprompeek(0);
+    
     def dumpmem(self,begin,end):
         i=begin;
         while i<end: