git.rot13.org Git - goodfet/blob - client/GoodFET.py

   1 #!/usr/bin/env python
   2 # GoodFET Client Library
   3 #
   4 # (C) 2009 Travis Goodspeed <travis at radiantmachines.com>
   5 #
   6 # This code is being rewritten and refactored.  You've been warned!
   7
   8 import sys, time, string, cStringIO, struct, glob, os;
   9 import sqlite3;
  10
  11 fmt = ("B", "<H", None, "<L")
  12
  13 def getClient(name="GoodFET"):
  14     import GoodFET, GoodFETCC, GoodFETAVR, GoodFETSPI, GoodFETMSP430, GoodFETNRF, GoodFETCCSPI;
  15     if(name=="GoodFET" or name=="monitor"): return GoodFET.GoodFET();
  16     elif name=="cc" or name=="cc51": return GoodFETCC.GoodFETCC();
  17     elif name=="cc2420" or name=="ccspi": return GoodFETCCSPI.GoodFETCCSPI();
  18     elif name=="avr": return GoodFETAVR.GoodFETAVR();
  19     elif name=="spi": return GoodFETSPI.GoodFETSPI();
  20     elif name=="msp430": return GoodFETMSP430.GoodFETMSP430();
  21     elif name=="nrf": return GoodFETNRF.GoodFETNRF();
  22
  23     print "Unsupported target: %s" % name;
  24     sys.exit(0);
  25
  26 class SymbolTable:
  27     """GoodFET Symbol Table"""
  28     db=sqlite3.connect(":memory:");
  29
  30     def __init__(self, *args, **kargs):
  31         self.db.execute("create table if not exists symbols(adr,name,memory,size,comment);");
  32     def get(self,name):
  33         self.db.commit();
  34         c=self.db.cursor();
  35         try:
  36             c.execute("select adr,memory from symbols where name=?",(name,));
  37             for row in c:
  38                 #print "Found it.";
  39                 sys.stdout.flush();
  40                 return row[0];
  41             #print "No dice.";
  42         except:# sqlite3.OperationalError:
  43             #print "SQL error.";
  44             return eval(name);
  45         return eval(name);
  46     def define(self,adr,name,comment="",memory="vn",size=16):
  47         self.db.execute("insert into symbols(adr,name,memory,size,comment)"
  48                         "values(?,?,?,?,?);", (
  49                 adr,name,memory,size,comment));
  50         #print "Set %s=%s." % (name,adr);
  51 class GoodFETbtser:
  52     """py-bluez class for emulating py-serial."""
  53     def __init__(self,btaddr):
  54         import bluetooth;
  55         while btaddr==None or btaddr=="none" or btaddr=="bluetooth":
  56             print "performing inquiry..."
  57             nearby_devices = bluetooth.discover_devices(lookup_names = True)
  58             print "found %d devices" % len(nearby_devices)
  59             for addr, name in nearby_devices:
  60                 print "  %s - '%s'" % (addr, name)
  61                 if name=='FireFly-A6BD':
  62                     btaddr=addr;
  63         print "Identified GoodFET at %s" % btaddr;
  64
  65         # BlueFET doesn't run the Service Discovery Protocol.
  66         # Instead we manually use the portnumber.
  67         port=1;
  68
  69         print "Connecting to %s on port %i." % (btaddr, port);
  70         sock=bluetooth.BluetoothSocket(bluetooth.RFCOMM);
  71         self.sock=sock;
  72         sock.connect((btaddr,port));
  73         sock.settimeout(10);  #IMPORTANT Must be patient.
  74
  75         ##This is what we'd do for a normal reset.
  76         #str="";
  77         #while not str.endswith("goodfet.sf.net/"):
  78         #    str=self.read(64);
  79         #    print str;
  80
  81         # Instead, just return and hope for the best.
  82         return;
  83
  84     def write(self,msg):
  85         """Send traffic."""
  86         return self.sock.send(msg);
  87     def read(self,len):
  88         """Read traffic."""
  89         return self.sock.recv(len);
  90 class GoodFET:
  91     """GoodFET Client Library"""
  92
  93     besilent=0;
  94     app=0;
  95     verb=0;
  96     count=0;
  97     data="";
  98     verbose=False
  99
 100     GLITCHAPP=0x71;
 101     MONITORAPP=0x00;
 102     symbols=SymbolTable();
 103
 104     def __init__(self, *args, **kargs):
 105         self.data=[0];
 106     def getConsole(self):
 107         from GoodFETConsole import GoodFETConsole;
 108         return GoodFETConsole(self);
 109     def name2adr(self,name):
 110         return self.symbols.get(name);
 111     def timeout(self):
 112         print "timeout\n";
 113     def serInit(self, port=None, timeout=2, attemptlimit=None):
 114         """Open a serial port of some kind."""
 115         import re;
 116
 117         if port==None:
 118             port=os.environ.get("GOODFET");
 119         if port=="bluetooth" or (port is not None and re.match("..:..:..:..:..:..",port)):
 120             self.btInit(port,timeout,attemptlimit);
 121         else:
 122             self.pyserInit(port,timeout,attemptlimit);
 123     def btInit(self, port, timeout, attemptlimit):
 124         """Open a bluetooth port.""";
 125         #self.verbose=True;  #For debugging BT.
 126         self.serialport=GoodFETbtser(port);
 127
 128     def pyserInit(self, port, timeout, attemptlimit):
 129         """Open the serial port"""
 130         # Make timeout None to wait forever, 0 for non-blocking mode.
 131         import serial;
 132
 133         if os.name=='nt' and sys.version.find('64 bit')!=-1:
 134             print "WARNING: PySerial requires a 32-bit Python build in Windows.";
 135
 136         if port is None and os.environ.get("GOODFET")!=None:
 137             glob_list = glob.glob(os.environ.get("GOODFET"));
 138             if len(glob_list) > 0:
 139                 port = glob_list[0];
 140             else:
 141                 port = os.environ.get("GOODFET");
 142         if port is None:
 143             glob_list = glob.glob("/dev/tty.usbserial*");
 144             if len(glob_list) > 0:
 145                 port = glob_list[0];
 146         if port is None:
 147             glob_list = glob.glob("/dev/ttyUSB*");
 148             if len(glob_list) > 0:
 149                 port = glob_list[0];
 150         if port is None:
 151             glob_list = glob.glob("/dev/ttyU0");
 152             if len(glob_list) > 0:
 153                 port = glob_list[0];
 154         if port is None and os.name=='nt':
 155             from scanwin32 import winScan;
 156             scan=winScan();
 157             for order,comport,desc,hwid in sorted(scan.comports()):
 158                 try:
 159                     if hwid.index('FTDI')==0:
 160                         port=comport;
 161                         #print "Using FTDI port %s" % port
 162                 except:
 163                     #Do nothing.
 164                     a=1;
 165
 166         baud=115200;
 167         if(os.environ.get("platform")=='arduino'):
 168             baud=19200; #Slower, for now.
 169         self.serialport = serial.Serial(
 170             port,
 171             #9600,
 172             baud,
 173             parity = serial.PARITY_NONE,
 174             timeout=timeout
 175             )
 176
 177         self.verb=0;
 178         attempts=0;
 179         connected=0;
 180         while connected==0:
 181             while self.verb!=0x7F or self.data!="http://goodfet.sf.net/":
 182             #while self.data!="http://goodfet.sf.net/":
 183                 #print "'%s'!=\n'%s'" % (self.data,"http://goodfet.sf.net/");
 184                 if attemptlimit is not None and attempts >= attemptlimit:
 185                     return
 186                 elif attempts>2:
 187                     print "Resyncing.";
 188                 self.serialport.flushInput()
 189                 self.serialport.flushOutput()
 190
 191                 #TelosB reset, prefer software to I2C SPST Switch.
 192                 if(os.environ.get("platform")=='telosb'):
 193                     #print "TelosB Reset";
 194                     self.telosBReset();
 195                 else:
 196                     #Explicitly set RTS and DTR to halt board.
 197                     self.serialport.setRTS(1);
 198                     self.serialport.setDTR(1);
 199                     #Drop DTR, which is !RST, low to begin the app.
 200                     self.serialport.setDTR(0);
 201
 202                 #self.serialport.write(chr(0x80));
 203                 #self.serialport.write(chr(0x80));
 204                 #self.serialport.write(chr(0x80));
 205                 #self.serialport.write(chr(0x80));
 206
 207
 208                 #self.serialport.flushInput()
 209                 #self.serialport.flushOutput()
 210                 #time.sleep(60);
 211                 attempts=attempts+1;
 212                 self.readcmd(); #Read the first command.
 213                 #print "Got %02x,%02x:'%s'" % (self.app,self.verb,self.data);
 214             #Here we have a connection, but maybe not a good one.
 215             #print "We have a connection."
 216             connected=1;
 217             olds=self.infostring();
 218             clocking=self.monitorclocking();
 219             #if(os.environ.get("platform")!='arduino'):
 220             for foo in range(1,30):
 221                 if not self.monitorecho():
 222                     if self.verbose:
 223                         print "Comm error on %i try, resyncing out of %s." % (foo,
 224                                                                               clocking);
 225                         connected=0;
 226                         break;
 227         if self.verbose: print "Connected after %02i attempts." % attempts;
 228         self.mon_connected();
 229         self.serialport.setTimeout(12);
 230     def serClose(self):
 231         self.serialport.close();
 232     def telosSetSCL(self, level):
 233         self.serialport.setRTS(not level)
 234     def telosSetSDA(self, level):
 235         self.serialport.setDTR(not level)
 236
 237     def telosI2CStart(self):
 238         self.telosSetSDA(1)
 239         self.telosSetSCL(1)
 240         self.telosSetSDA(0)
 241
 242     def telosI2CStop(self):
 243         self.telosSetSDA(0)
 244         self.telosSetSCL(1)
 245         self.telosSetSDA(1)
 246
 247     def telosI2CWriteBit(self, bit):
 248         self.telosSetSCL(0)
 249         self.telosSetSDA(bit)
 250         time.sleep(2e-6)
 251         self.telosSetSCL(1)
 252         time.sleep(1e-6)
 253         self.telosSetSCL(0)
 254
 255     def telosI2CWriteByte(self, byte):
 256         self.telosI2CWriteBit( byte & 0x80 );
 257         self.telosI2CWriteBit( byte & 0x40 );
 258         self.telosI2CWriteBit( byte & 0x20 );
 259         self.telosI2CWriteBit( byte & 0x10 );
 260         self.telosI2CWriteBit( byte & 0x08 );
 261         self.telosI2CWriteBit( byte & 0x04 );
 262         self.telosI2CWriteBit( byte & 0x02 );
 263         self.telosI2CWriteBit( byte & 0x01 );
 264         self.telosI2CWriteBit( 0 );  # "acknowledge"
 265
 266     def telosI2CWriteCmd(self, addr, cmdbyte):
 267         self.telosI2CStart()
 268         self.telosI2CWriteByte( 0x90 | (addr << 1) )
 269         self.telosI2CWriteByte( cmdbyte )
 270         self.telosI2CStop()
 271
 272     def telosBReset(self,invokeBSL=0):
 273         # "BSL entry sequence at dedicated JTAG pins"
 274         # rst !s0: 0 0 0 0 1 1
 275         # tck !s1: 1 0 1 0 0 1
 276         #   s0|s1: 1 3 1 3 2 0
 277
 278         # "BSL entry sequence at shared JTAG pins"
 279         # rst !s0: 0 0 0 0 1 1
 280         # tck !s1: 0 1 0 1 1 0
 281         #   s0|s1: 3 1 3 1 0 2
 282
 283         if invokeBSL:
 284             self.telosI2CWriteCmd(0,1)
 285             self.telosI2CWriteCmd(0,3)
 286             self.telosI2CWriteCmd(0,1)
 287             self.telosI2CWriteCmd(0,3)
 288             self.telosI2CWriteCmd(0,2)
 289             self.telosI2CWriteCmd(0,0)
 290         else:
 291             self.telosI2CWriteCmd(0,3)
 292             self.telosI2CWriteCmd(0,2)
 293
 294         # This line was not defined inside the else: block, not sure where it
 295         # should be however
 296         self.telosI2CWriteCmd(0,0)
 297         time.sleep(0.250)       #give MSP430's oscillator time to stabilize
 298         self.serialport.flushInput()  #clear buffers
 299
 300
 301     def getbuffer(self,size=0x1c00):
 302         writecmd(0,0xC2,[size&0xFF,(size>>16)&0xFF]);
 303         print "Got %02x%02x buffer size." % (self.data[1],self.data[0]);
 304     def writecmd(self, app, verb, count=0, data=[]):
 305         """Write a command and some data to the GoodFET."""
 306         self.serialport.write(chr(app));
 307         self.serialport.write(chr(verb));
 308
 309         #if data!=None:
 310         #    count=len(data); #Initial count ignored.
 311
 312         #print "TX %02x %02x %04x" % (app,verb,count);
 313
 314         #little endian 16-bit length
 315         self.serialport.write(chr(count&0xFF));
 316         self.serialport.write(chr(count>>8));
 317
 318         if self.verbose:
 319             print "Tx: ( 0x%02x, 0x%02x, 0x%04x )" % ( app, verb, count )
 320
 321         #print "count=%02x, len(data)=%04x" % (count,len(data));
 322
 323         if count!=0:
 324             if(isinstance(data,list)):
 325                 for i in range(0,count):
 326                 #print "Converting %02x at %i" % (data[i],i)
 327                     data[i]=chr(data[i]);
 328             #print type(data);
 329             outstr=''.join(data);
 330             self.serialport.write(outstr);
 331         if not self.besilent:
 332             return self.readcmd()
 333         else:
 334             return []
 335
 336     def readcmd(self):
 337         """Read a reply from the GoodFET."""
 338         while 1:#self.serialport.inWaiting(): # Loop while input data is available
 339             try:
 340                 #print "Reading...";
 341                 self.app=ord(self.serialport.read(1));
 342                 #print "APP=%02x" % self.app;
 343                 self.verb=ord(self.serialport.read(1));
 344
 345                 #Fixes an obscure bug in the TelosB.
 346                 if self.app==0x00:
 347                     while self.verb==0x00:
 348                         self.verb=ord(self.serialport.read(1));
 349
 350                 #print "VERB=%02x" % self.verb;
 351                 self.count=(
 352                     ord(self.serialport.read(1))
 353                     +(ord(self.serialport.read(1))<<8)
 354                     );
 355
 356                 #if self.verbose:
 357                 #print "Rx: ( 0x%02x, 0x%02x, 0x%04x )" % ( self.app, self.verb, self.count )
 358
 359                 #Debugging string; print, but wait.
 360                 if self.app==0xFF:
 361                     if self.verb==0xFF:
 362                         print "# DEBUG %s" % self.serialport.read(self.count)
 363                     elif self.verb==0xFE:
 364                         print "# DEBUG 0x%x" % struct.unpack(fmt[self.count-1], self.serialport.read(self.count))[0]
 365                     elif self.verb==0xFD:
 366                         #Do nothing, just wait so there's no timeout.
 367                         print "# NOP.";
 368
 369                     sys.stdout.flush();
 370                 else:
 371                     self.data=self.serialport.read(self.count);
 372                     return self.data;
 373             except TypeError:
 374                 if self.connected:
 375                     print "Warning: waiting for serial read timed out (most likely).";
 376                     #print "This shouldn't happen after syncing.  Exiting for safety.";
 377                     #sys.exit(-1)
 378                 return self.data;
 379     #Glitching stuff.
 380     def glitchApp(self,app):
 381         """Glitch into a device by its application."""
 382         self.data=[app&0xff];
 383         self.writecmd(self.GLITCHAPP,0x80,1,self.data);
 384         #return ord(self.data[0]);
 385     def glitchVerb(self,app,verb,data):
 386         """Glitch during a transaction."""
 387         if data==None: data=[];
 388         self.data=[app&0xff, verb&0xFF]+data;
 389         self.writecmd(self.GLITCHAPP,0x81,len(self.data),self.data);
 390         #return ord(self.data[0]);
 391     def glitchstart(self):
 392         """Glitch into the AVR application."""
 393         self.glitchVerb(self.APP,0x20,None);
 394     def glitchstarttime(self):
 395         """Measure the timer of the START verb."""
 396         return self.glitchTime(self.APP,0x20,None);
 397     def glitchTime(self,app,verb,data):
 398         """Time the execution of a verb."""
 399         if data==None: data=[];
 400         self.data=[app&0xff, verb&0xFF]+data;
 401         print "Timing app %02x verb %02x." % (app,verb);
 402         self.writecmd(self.GLITCHAPP,0x82,len(self.data),self.data);
 403         time=ord(self.data[0])+(ord(self.data[1])<<8);
 404         print "Timed to be %i." % time;
 405         return time;
 406     def glitchVoltages(self,low=0x0880, high=0x0fff):
 407         """Set glitching voltages. (0x0fff is max.)"""
 408         self.data=[low&0xff, (low>>8)&0xff,
 409                    high&0xff, (high>>8)&0xff];
 410         self.writecmd(self.GLITCHAPP,0x90,4,self.data);
 411         #return ord(self.data[0]);
 412     def glitchRate(self,count=0x0800):
 413         """Set glitching count period."""
 414         self.data=[count&0xff, (count>>8)&0xff];
 415         self.writecmd(self.GLITCHAPP,0x91,2,
 416                       self.data);
 417         #return ord(self.data[0]);
 418
 419
 420     #Monitor stuff
 421     def silent(self,s=0):
 422         """Transmissions halted when 1."""
 423         self.besilent=s;
 424         print "besilent is %i" % self.besilent;
 425         self.writecmd(0,0xB0,1,[s]);
 426     connected=0;
 427     def mon_connected(self):
 428         """Announce to the monitor that the connection is good."""
 429         self.connected=1;
 430         self.writecmd(0,0xB1,0,[]);
 431     def out(self,byte):
 432         """Write a byte to P5OUT."""
 433         self.writecmd(0,0xA1,1,[byte]);
 434     def dir(self,byte):
 435         """Write a byte to P5DIR."""
 436         self.writecmd(0,0xA0,1,[byte]);
 437     def call(self,adr):
 438         """Call to an address."""
 439         self.writecmd(0,0x30,2,
 440                       [adr&0xFF,(adr>>8)&0xFF]);
 441     def execute(self,code):
 442         """Execute supplied code."""
 443         self.writecmd(0,0x31,2,#len(code),
 444                       code);
 445     def MONpeek8(self,address):
 446         """Read a byte of memory from the monitor."""
 447         self.data=[address&0xff,address>>8];
 448         self.writecmd(0,0x02,2,self.data);
 449         #self.readcmd();
 450         return ord(self.data[0]);
 451     def MONpeek16(self,address):
 452         """Read a word of memory from the monitor."""
 453         return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
 454     def peek(self,address):
 455         """Read a word of memory from the monitor."""
 456         return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
 457     def eeprompeek(self,address):
 458         """Read a word of memory from the monitor."""
 459         print "EEPROM peeking not supported for the monitor.";
 460         #return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
 461     def peekbysym(self,name):
 462         """Read a value by its symbol name."""
 463         #TODO include memory in symbol.
 464         reg=self.symbols.get(name);
 465         return self.peek8(reg,"data");
 466     def pokebysym(self,name,val):
 467         """Write a value by its symbol name."""
 468         #TODO include memory in symbol.
 469         reg=self.symbols.get(name);
 470         return self.pokebyte(reg,val);
 471     def pokebyte(self,address,value,memory="vn"):
 472         """Set a byte of memory by the monitor."""
 473         self.data=[address&0xff,address>>8,value];
 474         self.writecmd(0,0x03,3,self.data);
 475         return ord(self.data[0]);
 476     def poke16(self,address,value):
 477         """Set a word of memory by the monitor."""
 478         self.pokebyte(address,value&0xFF);
 479         self.pokebyte(address,(value>>8)&0xFF);
 480         return value;
 481     def setsecret(self,value):
 482         """Set a secret word for later retreival.  Used by glitcher."""
 483         #self.eeprompoke(0,value);
 484         #self.eeprompoke(1,value);
 485         print "Secret setting is not yet suppored for this target.";
 486         print "Aborting.";
 487
 488     def getsecret(self):
 489         """Get a secret word.  Used by glitcher."""
 490         #self.eeprompeek(0);
 491         print "Secret getting is not yet suppored for this target.";
 492         print "Aborting.";
 493         sys.exit();
 494
 495     def dumpmem(self,begin,end):
 496         i=begin;
 497         while i<end:
 498             print "%04x %04x" % (i, self.MONpeek16(i));
 499             i+=2;
 500     def monitor_ram_pattern(self):
 501         """Overwrite all of RAM with 0xBEEF."""
 502         self.writecmd(0,0x90,0,self.data);
 503         return;
 504     def monitor_ram_depth(self):
 505         """Determine how many bytes of RAM are unused by looking for 0xBEEF.."""
 506         self.writecmd(0,0x91,0,self.data);
 507         return ord(self.data[0])+(ord(self.data[1])<<8);
 508
 509     #Baud rates.
 510     baudrates=[115200,
 511                9600,
 512                19200,
 513                38400,
 514                57600,
 515                115200];
 516     def setBaud(self,baud):
 517         """Change the baud rate.  TODO fix this."""
 518         rates=self.baudrates;
 519         self.data=[baud];
 520         print "Changing FET baud."
 521         self.serialport.write(chr(0x00));
 522         self.serialport.write(chr(0x80));
 523         self.serialport.write(chr(1));
 524         self.serialport.write(chr(baud));
 525
 526         print "Changed host baud."
 527         self.serialport.setBaudrate(rates[baud]);
 528         time.sleep(1);
 529         self.serialport.flushInput()
 530         self.serialport.flushOutput()
 531
 532         print "Baud is now %i." % rates[baud];
 533         return;
 534     def readbyte(self):
 535         return ord(self.serialport.read(1));
 536     def findbaud(self):
 537         for r in self.baudrates:
 538             print "\nTrying %i" % r;
 539             self.serialport.setBaudrate(r);
 540             #time.sleep(1);
 541             self.serialport.flushInput()
 542             self.serialport.flushOutput()
 543
 544             for i in range(1,10):
 545                 self.readbyte();
 546
 547             print "Read %02x %02x %02x %02x" % (
 548                 self.readbyte(),self.readbyte(),self.readbyte(),self.readbyte());
 549     def monitortest(self):
 550         """Self-test several functions through the monitor."""
 551         print "Performing monitor self-test.";
 552         self.monitorclocking();
 553         for f in range(0,3000):
 554             a=self.MONpeek16(0x0c00);
 555             b=self.MONpeek16(0x0c02);
 556             if a!=0x0c04 and a!=0x0c06:
 557                 print "ERROR Fetched %04x, %04x" % (a,b);
 558             self.pokebyte(0x0021,0); #Drop LED
 559             if self.MONpeek8(0x0021)!=0:
 560                 print "ERROR, P1OUT not cleared.";
 561             self.pokebyte(0x0021,1); #Light LED
 562             if not self.monitorecho():
 563                 print "Echo test failed.";
 564         print "Self-test complete.";
 565         self.monitorclocking();
 566     def monitorecho(self):
 567         data="The quick brown fox jumped over the lazy dog.";
 568         self.writecmd(self.MONITORAPP,0x81,len(data),data);
 569         if self.data!=data:
 570             print "Comm error recognized by monitorecho(), got:\n%s" % self.data;
 571             return 0;
 572         return 1;
 573
 574     def monitor_info(self):
 575         print "GoodFET with %s MCU" % self.infostring();
 576         print "Clocked at %s" % self.monitorclocking();
 577         return 1;
 578
 579     def monitor_list_apps(self, full=False):
 580         self.monitor_info()
 581         old_value = self.besilent
 582         self.besilent = True    # turn off automatic call to readcmd
 583         self.writecmd(self.MONITORAPP, 0x82, 1, [int(full)]);
 584         self.besilent = old_value
 585
 586         # read the build date string
 587         self.readcmd()
 588         print "Build Date: %s" % self.data
 589         print "Firmware apps:"
 590         while True:
 591             self.readcmd()
 592             if self.count == 0:
 593                 break
 594             print self.data
 595         return 1;
 596
 597     def monitorclocking(self):
 598         """Return the 16-bit clocking value."""
 599         return "0x%04x" % self.monitorgetclock();
 600
 601     def monitorsetclock(self,clock):
 602         """Set the clocking value."""
 603         self.MONpoke16(0x56, clock);
 604     def monitorgetclock(self):
 605         """Get the clocking value."""
 606         if(os.environ.get("platform")=='arduino'):
 607             return 0xDEAD;
 608         #Check for MSP430 before peeking this.
 609         return self.MONpeek16(0x56);
 610     # The following functions ought to be implemented in
 611     # every client.
 612
 613     def infostring(self):
 614         if(os.environ.get("platform")=='arduino'):
 615             return "Arduino";
 616         else:
 617             a=self.MONpeek8(0xff0);
 618             b=self.MONpeek8(0xff1);
 619             return "%02x%02x" % (a,b);
 620     def lock(self):
 621         print "Locking Unsupported.";
 622     def erase(self):
 623         print "Erasure Unsupported.";
 624     def setup(self):
 625         return;
 626     def start(self):
 627         return;
 628     def test(self):
 629         print "Unimplemented.";
 630         return;
 631     def status(self):
 632         print "Unimplemented.";
 633         return;
 634     def halt(self):
 635         print "Unimplemented.";
 636         return;
 637     def resume(self):
 638         print "Unimplemented.";
 639         return;
 640     def getpc(self):
 641         print "Unimplemented.";
 642         return 0xdead;
 643     def flash(self,file):
 644         """Flash an intel hex file to code memory."""
 645         print "Flash not implemented.";
 646     def dump(self,file,start=0,stop=0xffff):
 647         """Dump an intel hex file from code memory."""
 648         print "Dump not implemented.";
 649     def peek32(self,address, memory="vn"):
 650         """Peek 32 bits."""
 651         return (self.peek16(address,memory)+
 652                 (self.peek16(address+2,memory)<<16));
 653     def peek16(self,address, memory="vn"):
 654         """Peek 16 bits of memory."""
 655         return (self.peek8(address,memory)+
 656                 (self.peek8(address+1,memory)<<8));
 657     def peek8(self,address, memory="vn"):
 658         """Peek a byte of memory."""
 659         return self.MONpeek8(address); #monitor
 660     def peekblock(self,address,length,memory="vn"):
 661         """Return a block of data."""
 662         data=range(0,length);
 663         for foo in range(0,length):
 664             data[foo]=self.peek8(address+foo,memory);
 665         return data;
 666     def pokeblock(self,address,bytes,memory="vn"):
 667         """Poke a block of a data into memory at an address."""
 668         for foo in bytes:
 669             self.pokebyte(address,foo,memory);
 670             address=address+1;
 671         return;
 672     def loadsymbols(self):
 673         """Load symbols from a file."""
 674         return;