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         if 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                 #TODO switch to wildcards.
  62                 if name=='FireFly-A6BD':
  63                     btaddr=addr;
  64                 if name=='RN42-A94A':
  65                     btaddr=addr;
  66
  67             print "Please set $GOODFET to the address of your device.";
  68             sys.exit();
  69         print "Identified GoodFET at %s" % btaddr;
  70
  71         # Manually use the portnumber.
  72         port=1;
  73
  74         print "Connecting to %s on port %i." % (btaddr, port);
  75         sock=bluetooth.BluetoothSocket(bluetooth.RFCOMM);
  76         self.sock=sock;
  77         sock.connect((btaddr,port));
  78         sock.settimeout(10);  #IMPORTANT Must be patient.
  79
  80         ##This is what we'd do for a normal reset.
  81         #str="";
  82         #while not str.endswith("goodfet.sf.net/"):
  83         #    str=self.read(64);
  84         #    print str;
  85
  86         # Instead, just return and hope for the best.
  87         return;
  88
  89     def write(self,msg):
  90         """Send traffic."""
  91         import time;
  92         self.sock.send(msg);
  93         #time.sleep(0.1);
  94         return;
  95     def read(self,length):
  96         """Read traffic."""
  97         data="";
  98         while len(data)<length:
  99             data=data+self.sock.recv(length-len(data));
 100         return data;
 101 class GoodFET:
 102     """GoodFET Client Library"""
 103
 104     besilent=0;
 105     app=0;
 106     verb=0;
 107     count=0;
 108     data="";
 109     verbose=False
 110
 111     GLITCHAPP=0x71;
 112     MONITORAPP=0x00;
 113     symbols=SymbolTable();
 114
 115     def __init__(self, *args, **kargs):
 116         self.data=[0];
 117     def getConsole(self):
 118         from GoodFETConsole import GoodFETConsole;
 119         return GoodFETConsole(self);
 120     def name2adr(self,name):
 121         return self.symbols.get(name);
 122     def timeout(self):
 123         print "timeout\n";
 124     def serInit(self, port=None, timeout=2, attemptlimit=None):
 125         """Open a serial port of some kind."""
 126         import re;
 127
 128         if port==None:
 129             port=os.environ.get("GOODFET");
 130         if port=="bluetooth" or (port is not None and re.match("..:..:..:..:..:..",port)):
 131             self.btInit(port,2,attemptlimit);
 132         else:
 133             self.pyserInit(port,timeout,attemptlimit);
 134     def btInit(self, port, timeout, attemptlimit):
 135         """Open a bluetooth port.""";
 136         #self.verbose=True;  #For debugging BT.
 137         self.serialport=GoodFETbtser(port);
 138
 139     def pyserInit(self, port, timeout, attemptlimit):
 140         """Open the serial port"""
 141         # Make timeout None to wait forever, 0 for non-blocking mode.
 142         import serial;
 143         fixserial=False;
 144
 145         if os.name=='nt' and sys.version.find('64 bit')!=-1:
 146             print "WARNING: PySerial requires a 32-bit Python build in Windows.";
 147
 148         if port is None and os.environ.get("GOODFET")!=None:
 149             glob_list = glob.glob(os.environ.get("GOODFET"));
 150             if len(glob_list) > 0:
 151                 port = glob_list[0];
 152             else:
 153                 port = os.environ.get("GOODFET");
 154         if port is None:
 155             glob_list = glob.glob("/dev/tty.usbserial*");
 156             if len(glob_list) > 0:
 157                 port = glob_list[0];
 158         if port is None:
 159             glob_list = glob.glob("/dev/ttyUSB*");
 160             if len(glob_list) > 0:
 161                 port = glob_list[0];
 162         if port is None:
 163             glob_list = glob.glob("/dev/ttyU0");
 164             if len(glob_list) > 0:
 165                 port = glob_list[0];
 166         if port is None and os.name=='nt':
 167             from scanwin32 import winScan;
 168             scan=winScan();
 169             for order,comport,desc,hwid in sorted(scan.comports()):
 170                 try:
 171                     if hwid.index('FTDI')==0:
 172                         port=comport;
 173                         #print "Using FTDI port %s" % port
 174                 except:
 175                     #Do nothing.
 176                     a=1;
 177
 178         baud=115200;
 179         if(os.environ.get("platform")=='arduino' or os.environ.get("board")=='arduino'):
 180             baud=19200; #Slower, for now.
 181         self.serialport = serial.Serial(
 182             port,
 183             #9600,
 184             baud,
 185             parity = serial.PARITY_NONE,
 186             timeout=timeout
 187             )
 188
 189         self.verb=0;
 190         attempts=0;
 191         connected=0;
 192         while connected==0:
 193             while self.verb!=0x7F or self.data!="http://goodfet.sf.net/":
 194             #while self.data!="http://goodfet.sf.net/":
 195                 #print "'%s'!=\n'%s'" % (self.data,"http://goodfet.sf.net/");
 196                 if attemptlimit is not None and attempts >= attemptlimit:
 197                     return
 198                 elif attempts==2 and os.environ.get("board")!='telosb':
 199                     print "See the GoodFET FAQ about missing info flash.";
 200                     self.serialport.setTimeout(0.2);
 201                 elif attempts == 100:
 202                     print "Tried 100 times to connect and failed."
 203                     sys.stdout.write("Continuing to try forever.")      # No newline
 204                     sys.stdout.flush()
 205                     self.verbose=True   # Something isn't going right, give the user more info
 206                 elif attempts > 100 and attempts % 10 == 0:
 207                     sys.stdout.write('.')
 208                     sys.stdout.flush()
 209                 #self.serialport.flushInput()
 210                 #self.serialport.flushOutput()
 211
 212                 #TelosB reset, prefer software to I2C SPST Switch.
 213                 if (os.environ.get("board")=='telosb'):
 214                     #print "TelosB Reset";
 215                     self.telosBReset();
 216                 elif (os.environ.get("board")=='z1'):
 217                     self.bslResetZ1(invokeBSL=0);
 218                 elif (os.environ.get("board")=='apimote1') or (os.environ.get("board")=='apimote'):
 219                     #Explicitly set RTS and DTR to halt board.
 220                     self.serialport.setRTS(1);
 221                     self.serialport.setDTR(1);
 222                     #RTS pin, not DTR is used for reset.
 223                     self.serialport.setRTS(0);
 224                     #print "Resetting Apimote not yet tested.";
 225                 else:
 226                     #Explicitly set RTS and DTR to halt board.
 227                     self.serialport.setRTS(1);
 228                     self.serialport.setDTR(1);
 229                     #Drop DTR, which is !RST, low to begin the app.
 230                     self.serialport.setDTR(0);
 231
 232                 #self.serialport.write(chr(0x80));
 233                 #self.serialport.write(chr(0x80));
 234                 #self.serialport.write(chr(0x80));
 235                 #self.serialport.write(chr(0x80));
 236
 237
 238                 #self.serialport.flushInput()
 239                 #self.serialport.flushOutput()
 240                 #time.sleep(60);
 241                 attempts=attempts+1;
 242                 self.readcmd(); #Read the first command.
 243                 #print "Got %02x,%02x:'%s'" % (self.app,self.verb,self.data);
 244                 if self.verb!=0x7f:
 245                     #Retry again. This usually times out, but helps connect.
 246                     self.readcmd();
 247                     #print "Retry got %02x,%02x:'%s'" % (self.app,self.verb,self.data);
 248             #Here we have a connection, but maybe not a good one.
 249             #print "We have a connection."
 250             connected=1;
 251             if attempts >= 100:
 252                 print ""        # Add a newline
 253             olds=self.infostring();
 254             clocking=self.monitorclocking();
 255             for foo in range(1,30):
 256                 if not self.monitorecho():
 257                     if self.verbose:
 258                         print "Comm error on %i try, resyncing out of %s." % (foo,
 259                                                                               clocking);
 260                     connected=0;
 261                     break;
 262         if self.verbose: print "Connected after %02i attempts." % attempts;
 263         self.mon_connected();
 264         self.serialport.setTimeout(12);
 265     def serClose(self):
 266         self.serialport.close();
 267     def telosSetSCL(self, level):
 268         self.serialport.setRTS(not level)
 269     def telosSetSDA(self, level):
 270         self.serialport.setDTR(not level)
 271
 272     def telosI2CStart(self):
 273         self.telosSetSDA(1)
 274         self.telosSetSCL(1)
 275         self.telosSetSDA(0)
 276
 277     def telosI2CStop(self):
 278         self.telosSetSDA(0)
 279         self.telosSetSCL(1)
 280         self.telosSetSDA(1)
 281
 282     def telosI2CWriteBit(self, bit):
 283         self.telosSetSCL(0)
 284         self.telosSetSDA(bit)
 285         time.sleep(2e-6)
 286         self.telosSetSCL(1)
 287         time.sleep(1e-6)
 288         self.telosSetSCL(0)
 289
 290     def telosI2CWriteByte(self, byte):
 291         self.telosI2CWriteBit( byte & 0x80 );
 292         self.telosI2CWriteBit( byte & 0x40 );
 293         self.telosI2CWriteBit( byte & 0x20 );
 294         self.telosI2CWriteBit( byte & 0x10 );
 295         self.telosI2CWriteBit( byte & 0x08 );
 296         self.telosI2CWriteBit( byte & 0x04 );
 297         self.telosI2CWriteBit( byte & 0x02 );
 298         self.telosI2CWriteBit( byte & 0x01 );
 299         self.telosI2CWriteBit( 0 );  # "acknowledge"
 300
 301     def telosI2CWriteCmd(self, addr, cmdbyte):
 302         self.telosI2CStart()
 303         self.telosI2CWriteByte( 0x90 | (addr << 1) )
 304         self.telosI2CWriteByte( cmdbyte )
 305         self.telosI2CStop()
 306     def bslResetZ1(self, invokeBSL=0):
 307         '''
 308         Applies BSL entry sequence on RST/NMI and TEST/VPP pins
 309         Parameters:
 310             invokeBSL = 1: complete sequence
 311             invokeBSL = 0: only RST/NMI pin accessed
 312
 313         By now only BSL mode is accessed
 314         '''
 315
 316         #if DEBUG > 1: sys.stderr.write("* bslReset(invokeBSL=%s)\n" % invokeBSL)
 317         if invokeBSL:
 318             #sys.stderr.write("in Z1 bsl reset...\n")
 319             time.sleep(0.1)
 320             self.writepicROM(0xFF, 0xFF)
 321             time.sleep(0.1)
 322             #sys.stderr.write("z1 bsl reset done...\n")
 323         else:
 324             #sys.stderr.write("in Z1 reset...\n")
 325             time.sleep(0.1)
 326             self.writepicROM(0xFF, 0xFE)
 327             time.sleep(0.1)
 328             #sys.stderr.write("z1 reset done...\n")
 329     def writepicROM(self, address, data):
 330         ''' Writes data to @address'''
 331         for i in range(7,-1,-1):
 332             self.picROMclock((address >> i) & 0x01)
 333         self.picROMclock(0)
 334         recbuf = 0
 335         for i in range(7,-1,-1):
 336             s = ((data >> i) & 0x01)
 337             #print s
 338             if i < 1:
 339                 r = not self.picROMclock(s, True)
 340             else:
 341                 r = not self.picROMclock(s)
 342             recbuf = (recbuf << 1) + r
 343
 344         self.picROMclock(0, True)
 345         #k = 1
 346         #while not self.serial.getCTS():
 347         #    pass
 348         #time.sleep(0.1)
 349         return recbuf
 350     def readpicROM(self, address):
 351         ''' reads a byte from @address'''
 352         for i in range(7,-1,-1):
 353             self.picROMclock((address >> i) & 0x01)
 354         self.picROMclock(1)
 355         recbuf = 0
 356         r = 0
 357         for i in range(7,-1,-1):
 358             r = self.picROMclock(0)
 359             recbuf = (recbuf << 1) + r
 360         self.picROMclock(r)
 361         #time.sleep(0.1)
 362         return recbuf
 363
 364     #This seems more reliable when slowed.
 365     def picROMclock(self, masterout, slow = True):
 366         #print "setting masterout to "+str(masterout)
 367         self.serialport.setRTS(masterout)
 368         self.serialport.setDTR(1)
 369         #time.sleep(0.02)
 370         self.serialport.setDTR(0)
 371         if slow:
 372             time.sleep(0.02)
 373         return self.serialport.getCTS()
 374
 375     def picROMfastclock(self, masterout):
 376         #print "setting masterout to "+str(masterout)
 377         self.serialport.setRTS(masterout)
 378         self.serialport.setDTR(1)
 379         self.serialport.setDTR(0)
 380         time.sleep(0.02)
 381         return self.serialport.getCTS()
 382
 383     def telosBReset(self,invokeBSL=0):
 384         # "BSL entry sequence at dedicated JTAG pins"
 385         # rst !s0: 0 0 0 0 1 1
 386         # tck !s1: 1 0 1 0 0 1
 387         #   s0|s1: 1 3 1 3 2 0
 388
 389         # "BSL entry sequence at shared JTAG pins"
 390         # rst !s0: 0 0 0 0 1 1
 391         # tck !s1: 0 1 0 1 1 0
 392         #   s0|s1: 3 1 3 1 0 2
 393
 394         if invokeBSL:
 395             self.telosI2CWriteCmd(0,1)
 396             self.telosI2CWriteCmd(0,3)
 397             self.telosI2CWriteCmd(0,1)
 398             self.telosI2CWriteCmd(0,3)
 399             self.telosI2CWriteCmd(0,2)
 400             self.telosI2CWriteCmd(0,0)
 401         else:
 402             self.telosI2CWriteCmd(0,3)
 403             self.telosI2CWriteCmd(0,2)
 404
 405         # This line was not defined inside the else: block, not sure where it
 406         # should be however
 407         self.telosI2CWriteCmd(0,0)
 408         time.sleep(0.250)       #give MSP430's oscillator time to stabilize
 409         self.serialport.flushInput()  #clear buffers
 410
 411
 412     def getbuffer(self,size=0x1c00):
 413         writecmd(0,0xC2,[size&0xFF,(size>>16)&0xFF]);
 414         print "Got %02x%02x buffer size." % (self.data[1],self.data[0]);
 415     def writecmd(self, app, verb, count=0, data=[]):
 416         """Write a command and some data to the GoodFET."""
 417         self.serialport.write(chr(app));
 418         self.serialport.write(chr(verb));
 419
 420         #if data!=None:
 421         #    count=len(data); #Initial count ignored.
 422
 423         #print "TX %02x %02x %04x" % (app,verb,count);
 424
 425         #little endian 16-bit length
 426         self.serialport.write(chr(count&0xFF));
 427         self.serialport.write(chr(count>>8));
 428
 429         if self.verbose:
 430             print "Tx: ( 0x%02x, 0x%02x, 0x%04x )" % ( app, verb, count )
 431
 432         #print "count=%02x, len(data)=%04x" % (count,len(data));
 433
 434         if count!=0:
 435             if(isinstance(data,list)):
 436                 for i in range(0,count):
 437                 #print "Converting %02x at %i" % (data[i],i)
 438                     data[i]=chr(data[i]);
 439             #print type(data);
 440             outstr=''.join(data);
 441             self.serialport.write(outstr);
 442         if not self.besilent:
 443             return self.readcmd()
 444         else:
 445             return []
 446
 447     def readcmd(self):
 448         """Read a reply from the GoodFET."""
 449         while 1:#self.serialport.inWaiting(): # Loop while input data is available
 450             try:
 451                 #print "Reading...";
 452                 self.app=ord(self.serialport.read(1));
 453                 #print "APP=%02x" % self.app;
 454                 self.verb=ord(self.serialport.read(1));
 455
 456                 #Fixes an obscure bug in the TelosB.
 457                 if self.app==0x00:
 458                     while self.verb==0x00:
 459                         self.verb=ord(self.serialport.read(1));
 460
 461                 #print "VERB=%02x" % self.verb;
 462                 self.count=(
 463                     ord(self.serialport.read(1))
 464                     +(ord(self.serialport.read(1))<<8)
 465                     );
 466
 467                 if self.verbose:
 468                     print "Rx: ( 0x%02x, 0x%02x, 0x%04x )" % ( self.app, self.verb, self.count )
 469
 470                 #Debugging string; print, but wait.
 471                 if self.app==0xFF:
 472                     if self.verb==0xFF:
 473                         print "# DEBUG %s" % self.serialport.read(self.count)
 474                     elif self.verb==0xFE:
 475                         print "# DEBUG 0x%x" % struct.unpack(fmt[self.count-1], self.serialport.read(self.count))[0]
 476                     elif self.verb==0xFD:
 477                         #Do nothing, just wait so there's no timeout.
 478                         print "# NOP.";
 479
 480                     sys.stdout.flush();
 481                 else:
 482                     self.data=self.serialport.read(self.count);
 483                     return self.data;
 484             except TypeError:
 485                 if self.connected:
 486                     print "Warning: waiting for serial read timed out (most likely).";
 487                     #print "This shouldn't happen after syncing.  Exiting for safety.";
 488                     #sys.exit(-1)
 489                 return self.data;
 490     #Glitching stuff.
 491     def glitchApp(self,app):
 492         """Glitch into a device by its application."""
 493         self.data=[app&0xff];
 494         self.writecmd(self.GLITCHAPP,0x80,1,self.data);
 495         #return ord(self.data[0]);
 496     def glitchVerb(self,app,verb,data):
 497         """Glitch during a transaction."""
 498         if data==None: data=[];
 499         self.data=[app&0xff, verb&0xFF]+data;
 500         self.writecmd(self.GLITCHAPP,0x81,len(self.data),self.data);
 501         #return ord(self.data[0]);
 502     def glitchstart(self):
 503         """Glitch into the AVR application."""
 504         self.glitchVerb(self.APP,0x20,None);
 505     def glitchstarttime(self):
 506         """Measure the timer of the START verb."""
 507         return self.glitchTime(self.APP,0x20,None);
 508     def glitchTime(self,app,verb,data):
 509         """Time the execution of a verb."""
 510         if data==None: data=[];
 511         self.data=[app&0xff, verb&0xFF]+data;
 512         print "Timing app %02x verb %02x." % (app,verb);
 513         self.writecmd(self.GLITCHAPP,0x82,len(self.data),self.data);
 514         time=ord(self.data[0])+(ord(self.data[1])<<8);
 515         print "Timed to be %i." % time;
 516         return time;
 517     def glitchVoltages(self,low=0x0880, high=0x0fff):
 518         """Set glitching voltages. (0x0fff is max.)"""
 519         self.data=[low&0xff, (low>>8)&0xff,
 520                    high&0xff, (high>>8)&0xff];
 521         self.writecmd(self.GLITCHAPP,0x90,4,self.data);
 522         #return ord(self.data[0]);
 523     def glitchRate(self,count=0x0800):
 524         """Set glitching count period."""
 525         self.data=[count&0xff, (count>>8)&0xff];
 526         self.writecmd(self.GLITCHAPP,0x91,2,
 527                       self.data);
 528         #return ord(self.data[0]);
 529
 530
 531     #Monitor stuff
 532     def silent(self,s=0):
 533         """Transmissions halted when 1."""
 534         self.besilent=s;
 535         print "besilent is %i" % self.besilent;
 536         self.writecmd(0,0xB0,1,[s]);
 537     connected=0;
 538     def mon_connected(self):
 539         """Announce to the monitor that the connection is good."""
 540         self.connected=1;
 541         self.writecmd(0,0xB1,0,[]);
 542     def out(self,byte):
 543         """Write a byte to P5OUT."""
 544         self.writecmd(0,0xA1,1,[byte]);
 545     def dir(self,byte):
 546         """Write a byte to P5DIR."""
 547         self.writecmd(0,0xA0,1,[byte]);
 548     def call(self,adr):
 549         """Call to an address."""
 550         self.writecmd(0,0x30,2,
 551                       [adr&0xFF,(adr>>8)&0xFF]);
 552     def execute(self,code):
 553         """Execute supplied code."""
 554         self.writecmd(0,0x31,2,#len(code),
 555                       code);
 556     def MONpeek8(self,address):
 557         """Read a byte of memory from the monitor."""
 558         self.data=[address&0xff,address>>8];
 559         self.writecmd(0,0x02,2,self.data);
 560         #self.readcmd();
 561         return ord(self.data[0]);
 562     def MONpeek16(self,address):
 563         """Read a word of memory from the monitor."""
 564         return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
 565     def peek(self,address):
 566         """Read a word of memory from the monitor."""
 567         return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
 568     def eeprompeek(self,address):
 569         """Read a word of memory from the monitor."""
 570         print "EEPROM peeking not supported for the monitor.";
 571         #return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
 572     def peekbysym(self,name):
 573         """Read a value by its symbol name."""
 574         #TODO include memory in symbol.
 575         reg=self.symbols.get(name);
 576         return self.peek8(reg,"data");
 577     def pokebysym(self,name,val):
 578         """Write a value by its symbol name."""
 579         #TODO include memory in symbol.
 580         reg=self.symbols.get(name);
 581         return self.pokebyte(reg,val);
 582     def pokebyte(self,address,value,memory="vn"):
 583         """Set a byte of memory by the monitor."""
 584         self.data=[address&0xff,address>>8,value];
 585         self.writecmd(0,0x03,3,self.data);
 586         return ord(self.data[0]);
 587     def poke16(self,address,value):
 588         """Set a word of memory by the monitor."""
 589         self.MONpoke16(address,value);
 590     def MONpoke16(self,address,value):
 591         """Set a word of memory by the monitor."""
 592         self.pokebyte(address,value&0xFF);
 593         self.pokebyte(address,(value>>8)&0xFF);
 594         return value;
 595     def setsecret(self,value):
 596         """Set a secret word for later retreival.  Used by glitcher."""
 597         #self.eeprompoke(0,value);
 598         #self.eeprompoke(1,value);
 599         print "Secret setting is not yet suppored for this target.";
 600         print "Aborting.";
 601
 602     def getsecret(self):
 603         """Get a secret word.  Used by glitcher."""
 604         #self.eeprompeek(0);
 605         print "Secret getting is not yet suppored for this target.";
 606         print "Aborting.";
 607         sys.exit();
 608
 609     def dumpmem(self,begin,end):
 610         i=begin;
 611         while i<end:
 612             print "%04x %04x" % (i, self.MONpeek16(i));
 613             i+=2;
 614     def monitor_ram_pattern(self):
 615         """Overwrite all of RAM with 0xBEEF."""
 616         self.writecmd(0,0x90,0,self.data);
 617         return;
 618     def monitor_ram_depth(self):
 619         """Determine how many bytes of RAM are unused by looking for 0xBEEF.."""
 620         self.writecmd(0,0x91,0,self.data);
 621         return ord(self.data[0])+(ord(self.data[1])<<8);
 622
 623     #Baud rates.
 624     baudrates=[115200,
 625                9600,
 626                19200,
 627                38400,
 628                57600,
 629                115200];
 630     def setBaud(self,baud):
 631         """Change the baud rate.  TODO fix this."""
 632         rates=self.baudrates;
 633         self.data=[baud];
 634         print "Changing FET baud."
 635         self.serialport.write(chr(0x00));
 636         self.serialport.write(chr(0x80));
 637         self.serialport.write(chr(1));
 638         self.serialport.write(chr(baud));
 639
 640         print "Changed host baud."
 641         self.serialport.setBaudrate(rates[baud]);
 642         time.sleep(1);
 643         self.serialport.flushInput()
 644         self.serialport.flushOutput()
 645
 646         print "Baud is now %i." % rates[baud];
 647         return;
 648     def readbyte(self):
 649         return ord(self.serialport.read(1));
 650     def findbaud(self):
 651         for r in self.baudrates:
 652             print "\nTrying %i" % r;
 653             self.serialport.setBaudrate(r);
 654             #time.sleep(1);
 655             self.serialport.flushInput()
 656             self.serialport.flushOutput()
 657
 658             for i in range(1,10):
 659                 self.readbyte();
 660
 661             print "Read %02x %02x %02x %02x" % (
 662                 self.readbyte(),self.readbyte(),self.readbyte(),self.readbyte());
 663     def monitortest(self):
 664         """Self-test several functions through the monitor."""
 665         print "Performing monitor self-test.";
 666         self.monitorclocking();
 667         for f in range(0,3000):
 668             a=self.MONpeek16(0x0c00);
 669             b=self.MONpeek16(0x0c02);
 670             if a!=0x0c04 and a!=0x0c06:
 671                 print "ERROR Fetched %04x, %04x" % (a,b);
 672             self.pokebyte(0x0021,0); #Drop LED
 673             if self.MONpeek8(0x0021)!=0:
 674                 print "ERROR, P1OUT not cleared.";
 675             self.pokebyte(0x0021,1); #Light LED
 676             if not self.monitorecho():
 677                 print "Echo test failed.";
 678         print "Self-test complete.";
 679         self.monitorclocking();
 680     def monitorecho(self):
 681         data="The quick brown fox jumped over the lazy dog.";
 682         self.writecmd(self.MONITORAPP,0x81,len(data),data);
 683         if self.data!=data:
 684             if self.verbose:
 685                 print "Comm error recognized by monitorecho(), got:\n%s" % self.data;
 686             return 0;
 687         return 1;
 688
 689     def monitor_info(self):
 690         print "GoodFET with %s MCU" % self.infostring();
 691         print "Clocked at %s" % self.monitorclocking();
 692         return 1;
 693
 694     def testleds(self):
 695         print "Flashing LEDs"
 696         self.writecmd(self.MONITORAPP,0xD0,0,"")
 697         try:
 698             print "Flashed %d LED." % ord(self.data)
 699         except:
 700             print "Unable to process response:", self.data
 701         return 1
 702
 703     def monitor_list_apps(self, full=False):
 704         self.monitor_info()
 705         old_value = self.besilent
 706         self.besilent = True    # turn off automatic call to readcmd
 707         self.writecmd(self.MONITORAPP, 0x82, 1, [int(full)]);
 708         self.besilent = old_value
 709
 710         # read the build date string
 711         self.readcmd()
 712         print "Build Date: %s" % self.data
 713         print "Firmware apps:"
 714         while True:
 715             self.readcmd()
 716             if self.count == 0:
 717                 break
 718             print self.data
 719         return 1;
 720
 721     def monitorclocking(self):
 722         """Return the 16-bit clocking value."""
 723         return "0x%04x" % self.monitorgetclock();
 724
 725     def monitorsetclock(self,clock):
 726         """Set the clocking value."""
 727         self.MONpoke16(0x56, clock);
 728     def monitorgetclock(self):
 729         """Get the clocking value."""
 730         if(os.environ.get("platform")=='arduino' or os.environ.get("board")=='arduino'):
 731             return 0xDEAD;
 732         #Check for MSP430 before peeking this.
 733         return self.MONpeek16(0x56);
 734     # The following functions ought to be implemented in
 735     # every client.
 736
 737     def infostring(self):
 738         if(os.environ.get("platform")=='arduino' or os.environ.get("board")=='arduino'):
 739             return "Arduino";
 740         else:
 741             a=self.MONpeek8(0xff0);
 742             b=self.MONpeek8(0xff1);
 743             return "%02x%02x" % (a,b);
 744     def lock(self):
 745         print "Locking Unsupported.";
 746     def erase(self):
 747         print "Erasure Unsupported.";
 748     def setup(self):
 749         return;
 750     def start(self):
 751         return;
 752     def test(self):
 753         print "Unimplemented.";
 754         return;
 755     def status(self):
 756         print "Unimplemented.";
 757         return;
 758     def halt(self):
 759         print "Unimplemented.";
 760         return;
 761     def resume(self):
 762         print "Unimplemented.";
 763         return;
 764     def getpc(self):
 765         print "Unimplemented.";
 766         return 0xdead;
 767     def flash(self,file):
 768         """Flash an intel hex file to code memory."""
 769         print "Flash not implemented.";
 770     def dump(self,file,start=0,stop=0xffff):
 771         """Dump an intel hex file from code memory."""
 772         print "Dump not implemented.";
 773     def peek32(self,address, memory="vn"):
 774         """Peek 32 bits."""
 775         return (self.peek16(address,memory)+
 776                 (self.peek16(address+2,memory)<<16));
 777     def peek16(self,address, memory="vn"):
 778         """Peek 16 bits of memory."""
 779         return (self.peek8(address,memory)+
 780                 (self.peek8(address+1,memory)<<8));
 781     def peek8(self,address, memory="vn"):
 782         """Peek a byte of memory."""
 783         return self.MONpeek8(address); #monitor
 784     def peekblock(self,address,length,memory="vn"):
 785         """Return a block of data."""
 786         data=range(0,length);
 787         for foo in range(0,length):
 788             data[foo]=self.peek8(address+foo,memory);
 789         return data;
 790     def pokeblock(self,address,bytes,memory="vn"):
 791         """Poke a block of a data into memory at an address."""
 792         for foo in bytes:
 793             self.pokebyte(address,foo,memory);
 794             address=address+1;
 795         return;
 796     def loadsymbols(self):
 797         """Load symbols from a file."""
 798         return;