X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=client%2FGoodFET.py;h=45bd33aee85aca4065bb5d404f8bd61fc3c59b71;hb=627d0fc63ba0bfa962c0270157718b6cd4c888f7;hp=154bd389d98de4f1f533b3a5b27004230d1e5473;hpb=8eed366711c123dbd740b0bc0d5ca0e0c0d770e8;p=goodfet diff --git a/client/GoodFET.py b/client/GoodFET.py index 154bd38..45bd33a 100755 --- 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, @@ -375,6 +378,11 @@ class GoodFET: self.data=[address&0xff,address>>8,value]; self.writecmd(0,0x03,3,self.data); return ord(self.data[0]); + def poke16(self,address,value): + """Set a word of memory by the monitor.""" + self.pokebyte(address,value&0xFF); + self.pokebyte(address,(value>>8)&0xFF); + return value; def setsecret(self,value): """Set a secret word for later retreival. Used by glitcher.""" self.eeprompoke(0,value); @@ -462,10 +470,15 @@ class GoodFET: return 0; return 1; def monitorclocking(self): - DCOCTL=self.peekbyte(0x0056); - BCSCTL1=self.peekbyte(0x0057); - return "0x%02x, 0x%02x" % (DCOCTL, BCSCTL1); - + """Return the 16-bit clocking value.""" + return "0x%04x" % self.monitorgetclock(); + + def monitorsetclock(self,clock): + """Set the clocking value.""" + self.poke16(0x56, clock); + def monitorgetclock(self): + """Get the clocking value.""" + return self.peek16(0x56); # The following functions ought to be implemented in # every client.