X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2FGoodFET.py;h=cfc207961760353a84698826a9d314003f2840b9;hp=cd9499e339b1aa0708bf864c3348f4f3d390129c;hb=c9fa78dd91736cd5004d23fd9535c30be4f978ff;hpb=6a7bdc64b4ea34ebfe6b6a61360ad3274bb9ac15 diff --git a/client/GoodFET.py b/client/GoodFET.py index cd9499e..cfc2079 100755 --- a/client/GoodFET.py +++ b/client/GoodFET.py @@ -10,6 +10,9 @@ import sys, time, string, cStringIO, struct, glob, serial, os; class GoodFET: """GoodFET Client Library""" + + GLITCHAPP=0x71; + def __init__(self, *args, **kargs): self.data=[0]; def timeout(self): @@ -58,6 +61,8 @@ class GoodFET: self.serialport.write(chr(app)); self.serialport.write(chr(verb)); + #if data!=None: + # count=len(data); #Initial count ignored. #print "TX %02x %02x" % (app,verb); @@ -72,6 +77,7 @@ class GoodFET: #print "Converting %02x at %i" % (data[i],i) data[i]=chr(data[i]); outstr=''.join(data); + #outstr=data; self.serialport.write(outstr); if not self.besilent: self.readcmd(); @@ -97,10 +103,34 @@ class GoodFET: #Debugging string; print, but wait. if self.app==0xFF and self.verb==0xFF: - print "DEBUG %s" % self.serialport.read(self.count); + print "# DEBUG %s" % self.serialport.read(self.count); else: self.data=self.serialport.read(self.count); return self.data; + #Glitching stuff. + def glitchAPP(self,app): + """Glitch into a device by its application.""" + self.data=[app&0xff]; + self.writecmd(self.GLITCHAPP,0x80,1,self.data); + #return ord(self.data[0]); + def glitchVERB(self,app,verb, data): + """Glitch during a transaction..""" + self.data=[app&0xff, verb&0xFF]+data; + self.writecmd(self.GLITCHAPP,0x81,len(self.data),self.data); + #return ord(self.data[0]); + def glitchVoltages(self,low=0x0880, high=0x0fff): + """Set glitching voltages. (0x0fff is max.)""" + self.data=[low&0xff, (low>>8)&0xff, + high&0xff, (high>>8)&0xff]; + self.writecmd(self.GLITCHAPP,0x90,4,self.data); + #return ord(self.data[0]); + def glitchRate(self,count=0x0800): + """Set glitching count period.""" + self.data=[count&0xff, (count>>8)&0xff]; + self.writecmd(self.GLITCHAPP,0x91,2, + self.data); + #return ord(self.data[0]); + #Monitor stuff def silent(self,s=0):