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