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,timeout,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
 144         if os.name=='nt' and sys.version.find('64 bit')!=-1:
 145             print "WARNING: PySerial requires a 32-bit Python build in Windows.";
 146
 147         if port is None and os.environ.get("GOODFET")!=None:
 148             glob_list = glob.glob(os.environ.get("GOODFET"));
 149             if len(glob_list) > 0:
 150                 port = glob_list[0];
 151             else:
 152                 port = os.environ.get("GOODFET");
 153         if port is None:
 154             glob_list = glob.glob("/dev/tty.usbserial*");
 155             if len(glob_list) > 0:
 156                 port = glob_list[0];
 157         if port is None:
 158             glob_list = glob.glob("/dev/ttyUSB*");
 159             if len(glob_list) > 0:
 160                 port = glob_list[0];
 161         if port is None:
 162             glob_list = glob.glob("/dev/ttyU0");
 163             if len(glob_list) > 0:
 164                 port = glob_list[0];
 165         if port is None and os.name=='nt':
 166             from scanwin32 import winScan;
 167             scan=winScan();
 168             for order,comport,desc,hwid in sorted(scan.comports()):
 169                 try:
 170                     if hwid.index('FTDI')==0:
 171                         port=comport;
 172                         #print "Using FTDI port %s" % port
 173                 except:
 174                     #Do nothing.
 175                     a=1;
 176
 177         baud=115200;
 178         if(os.environ.get("platform")=='arduino' or os.environ.get("board")=='arduino'):
 179             baud=19200; #Slower, for now.
 180         self.serialport = serial.Serial(
 181             port,
 182             #9600,
 183             baud,
 184             parity = serial.PARITY_NONE,
 185             timeout=timeout
 186             )
 187
 188         self.verb=0;
 189         attempts=0;
 190         connected=0;
 191         while connected==0:
 192             while self.verb!=0x7F or self.data!="http://goodfet.sf.net/":
 193             #while self.data!="http://goodfet.sf.net/":
 194                 #print "'%s'!=\n'%s'" % (self.data,"http://goodfet.sf.net/");
 195                 if attemptlimit is not None and attempts >= attemptlimit:
 196                     return
 197                 elif attempts>2:
 198                     print "Resyncing.";
 199                 self.serialport.flushInput()
 200                 self.serialport.flushOutput()
 201
 202                 #TelosB reset, prefer software to I2C SPST Switch.
 203                 if (os.environ.get("platform")=='telosb' or  os.environ.get("board")=='telosb'):
 204                     #print "TelosB Reset";
 205                     self.telosBReset();
 206                 elif (os.environ.get("board")=='zolertiaz1' or  os.environ.get("board")=='z1'):
 207                     self.bslResetZ1();
 208                 elif (os.environ.get("board")=='apimote1'):
 209                     #Explicitly set RTS and DTR to halt board.
 210                     self.serialport.setRTS(1);
 211                     self.serialport.setDTR(1);
 212                     #RTS pin, not DTR is used for reset.
 213                     self.serialport.setRTS(0);
 214                     #print "Resetting Apimote not yet tested.";
 215                 else:
 216                     #Explicitly set RTS and DTR to halt board.
 217                     self.serialport.setRTS(1);
 218                     self.serialport.setDTR(1);
 219                     #Drop DTR, which is !RST, low to begin the app.
 220                     self.serialport.setDTR(0);
 221
 222                 #self.serialport.write(chr(0x80));
 223                 #self.serialport.write(chr(0x80));
 224                 #self.serialport.write(chr(0x80));
 225                 #self.serialport.write(chr(0x80));
 226
 227
 228                 #self.serialport.flushInput()
 229                 #self.serialport.flushOutput()
 230                 #time.sleep(60);
 231                 attempts=attempts+1;
 232                 self.readcmd(); #Read the first command.
 233                 #print "Got %02x,%02x:'%s'" % (self.app,self.verb,self.data);
 234             #Here we have a connection, but maybe not a good one.
 235             #print "We have a connection."
 236             connected=1;
 237             olds=self.infostring();
 238             clocking=self.monitorclocking();
 239             for foo in range(1,30):
 240                 if not self.monitorecho():
 241                     if self.verbose:
 242                         print "Comm error on %i try, resyncing out of %s." % (foo,
 243                                                                               clocking);
 244                         connected=0;
 245                         break;
 246         if self.verbose: print "Connected after %02i attempts." % attempts;
 247         self.mon_connected();
 248         self.serialport.setTimeout(12);
 249     def serClose(self):
 250         self.serialport.close();
 251     def telosSetSCL(self, level):
 252         self.serialport.setRTS(not level)
 253     def telosSetSDA(self, level):
 254         self.serialport.setDTR(not level)
 255
 256     def telosI2CStart(self):
 257         self.telosSetSDA(1)
 258         self.telosSetSCL(1)
 259         self.telosSetSDA(0)
 260
 261     def telosI2CStop(self):
 262         self.telosSetSDA(0)
 263         self.telosSetSCL(1)
 264         self.telosSetSDA(1)
 265
 266     def telosI2CWriteBit(self, bit):
 267         self.telosSetSCL(0)
 268         self.telosSetSDA(bit)
 269         time.sleep(2e-6)
 270         self.telosSetSCL(1)
 271         time.sleep(1e-6)
 272         self.telosSetSCL(0)
 273
 274     def telosI2CWriteByte(self, byte):
 275         self.telosI2CWriteBit( byte & 0x80 );
 276         self.telosI2CWriteBit( byte & 0x40 );
 277         self.telosI2CWriteBit( byte & 0x20 );
 278         self.telosI2CWriteBit( byte & 0x10 );
 279         self.telosI2CWriteBit( byte & 0x08 );
 280         self.telosI2CWriteBit( byte & 0x04 );
 281         self.telosI2CWriteBit( byte & 0x02 );
 282         self.telosI2CWriteBit( byte & 0x01 );
 283         self.telosI2CWriteBit( 0 );  # "acknowledge"
 284
 285     def telosI2CWriteCmd(self, addr, cmdbyte):
 286         self.telosI2CStart()
 287         self.telosI2CWriteByte( 0x90 | (addr << 1) )
 288         self.telosI2CWriteByte( cmdbyte )
 289         self.telosI2CStop()
 290     def bslResetZ1(self, invokeBSL=0):
 291         '''
 292         Applies BSL entry sequence on RST/NMI and TEST/VPP pins
 293         Parameters:
 294             invokeBSL = 1: complete sequence
 295             invokeBSL = 0: only RST/NMI pin accessed
 296
 297         By now only BSL mode is accessed
 298         '''
 299
 300         #if DEBUG > 1: sys.stderr.write("* bslReset(invokeBSL=%s)\n" % invokeBSL)
 301         if invokeBSL:
 302             #sys.stderr.write("in Z1 bsl reset...\n")
 303             time.sleep(0.1)
 304             self.writepicROM(0xFF, 0xFF)
 305             time.sleep(0.1)
 306             #sys.stderr.write("z1 bsl reset done...\n")
 307         else:
 308             #sys.stderr.write("in Z1 reset...\n")
 309             time.sleep(0.1)
 310             self.writepicROM(0xFF, 0xFE)
 311             time.sleep(0.1)
 312             #sys.stderr.write("z1 reset done...\n")
 313     def writepicROM(self, address, data):
 314         ''' Writes data to @address'''
 315         for i in range(7,-1,-1):
 316             self.picROMclock((address >> i) & 0x01)
 317         self.picROMclock(0)
 318         recbuf = 0
 319         for i in range(7,-1,-1):
 320             s = ((data >> i) & 0x01)
 321             #print s
 322             if i < 1:
 323                 r = not self.picROMclock(s, True)
 324             else:
 325                 r = not self.picROMclock(s)
 326             recbuf = (recbuf << 1) + r
 327
 328         self.picROMclock(0, True)
 329         #k = 1
 330         #while not self.serial.getCTS():
 331         #    pass
 332         #time.sleep(0.1)
 333         return recbuf
 334     def readpicROM(self, address):
 335         ''' reads a byte from @address'''
 336         for i in range(7,-1,-1):
 337             self.picROMclock((address >> i) & 0x01)
 338         self.picROMclock(1)
 339         recbuf = 0
 340         r = 0
 341         for i in range(7,-1,-1):
 342             r = self.picROMclock(0)
 343             recbuf = (recbuf << 1) + r
 344         self.picROMclock(r)
 345         #time.sleep(0.1)
 346         return recbuf
 347
 348     def picROMclock(self, masterout, slow = False):
 349         #print "setting masterout to "+str(masterout)
 350         self.serialport.setRTS(masterout)
 351         self.serialport.setDTR(1)
 352         #time.sleep(0.02)
 353         self.serialport.setDTR(0)
 354         if slow:
 355             time.sleep(0.02)
 356         return self.serialport.getCTS()
 357
 358     def picROMfastclock(self, masterout):
 359         #print "setting masterout to "+str(masterout)
 360         self.serialport.setRTS(masterout)
 361         self.serialport.setDTR(1)
 362         self.serialport.setDTR(0)
 363         time.sleep(0.02)
 364         return self.serialport.getCTS()
 365
 366     def telosBReset(self,invokeBSL=0):
 367         # "BSL entry sequence at dedicated JTAG pins"
 368         # rst !s0: 0 0 0 0 1 1
 369         # tck !s1: 1 0 1 0 0 1
 370         #   s0|s1: 1 3 1 3 2 0
 371
 372         # "BSL entry sequence at shared JTAG pins"
 373         # rst !s0: 0 0 0 0 1 1
 374         # tck !s1: 0 1 0 1 1 0
 375         #   s0|s1: 3 1 3 1 0 2
 376
 377         if invokeBSL:
 378             self.telosI2CWriteCmd(0,1)
 379             self.telosI2CWriteCmd(0,3)
 380             self.telosI2CWriteCmd(0,1)
 381             self.telosI2CWriteCmd(0,3)
 382             self.telosI2CWriteCmd(0,2)
 383             self.telosI2CWriteCmd(0,0)
 384         else:
 385             self.telosI2CWriteCmd(0,3)
 386             self.telosI2CWriteCmd(0,2)
 387
 388         # This line was not defined inside the else: block, not sure where it
 389         # should be however
 390         self.telosI2CWriteCmd(0,0)
 391         time.sleep(0.250)       #give MSP430's oscillator time to stabilize
 392         self.serialport.flushInput()  #clear buffers
 393
 394
 395     def getbuffer(self,size=0x1c00):
 396         writecmd(0,0xC2,[size&0xFF,(size>>16)&0xFF]);
 397         print "Got %02x%02x buffer size." % (self.data[1],self.data[0]);
 398     def writecmd(self, app, verb, count=0, data=[]):
 399         """Write a command and some data to the GoodFET."""
 400         self.serialport.write(chr(app));
 401         self.serialport.write(chr(verb));
 402
 403         #if data!=None:
 404         #    count=len(data); #Initial count ignored.
 405
 406         #print "TX %02x %02x %04x" % (app,verb,count);
 407
 408         #little endian 16-bit length
 409         self.serialport.write(chr(count&0xFF));
 410         self.serialport.write(chr(count>>8));
 411
 412         if self.verbose:
 413             print "Tx: ( 0x%02x, 0x%02x, 0x%04x )" % ( app, verb, count )
 414
 415         #print "count=%02x, len(data)=%04x" % (count,len(data));
 416
 417         if count!=0:
 418             if(isinstance(data,list)):
 419                 for i in range(0,count):
 420                 #print "Converting %02x at %i" % (data[i],i)
 421                     data[i]=chr(data[i]);
 422             #print type(data);
 423             outstr=''.join(data);
 424             self.serialport.write(outstr);
 425         if not self.besilent:
 426             return self.readcmd()
 427         else:
 428             return []
 429
 430     def readcmd(self):
 431         """Read a reply from the GoodFET."""
 432         while 1:#self.serialport.inWaiting(): # Loop while input data is available
 433             try:
 434                 #print "Reading...";
 435                 self.app=ord(self.serialport.read(1));
 436                 #print "APP=%02x" % self.app;
 437                 self.verb=ord(self.serialport.read(1));
 438
 439                 #Fixes an obscure bug in the TelosB.
 440                 if self.app==0x00:
 441                     while self.verb==0x00:
 442                         self.verb=ord(self.serialport.read(1));
 443
 444                 #print "VERB=%02x" % self.verb;
 445                 self.count=(
 446                     ord(self.serialport.read(1))
 447                     +(ord(self.serialport.read(1))<<8)
 448                     );
 449
 450                 if self.verbose:
 451                     print "Rx: ( 0x%02x, 0x%02x, 0x%04x )" % ( self.app, self.verb, self.count )
 452
 453                 #Debugging string; print, but wait.
 454                 if self.app==0xFF:
 455                     if self.verb==0xFF:
 456                         print "# DEBUG %s" % self.serialport.read(self.count)
 457                     elif self.verb==0xFE:
 458                         print "# DEBUG 0x%x" % struct.unpack(fmt[self.count-1], self.serialport.read(self.count))[0]
 459                     elif self.verb==0xFD:
 460                         #Do nothing, just wait so there's no timeout.
 461                         print "# NOP.";
 462
 463                     sys.stdout.flush();
 464                 else:
 465                     self.data=self.serialport.read(self.count);
 466                     return self.data;
 467             except TypeError:
 468                 if self.connected:
 469                     print "Warning: waiting for serial read timed out (most likely).";
 470                     #print "This shouldn't happen after syncing.  Exiting for safety.";
 471                     #sys.exit(-1)
 472                 return self.data;
 473     #Glitching stuff.
 474     def glitchApp(self,app):
 475         """Glitch into a device by its application."""
 476         self.data=[app&0xff];
 477         self.writecmd(self.GLITCHAPP,0x80,1,self.data);
 478         #return ord(self.data[0]);
 479     def glitchVerb(self,app,verb,data):
 480         """Glitch during a transaction."""
 481         if data==None: data=[];
 482         self.data=[app&0xff, verb&0xFF]+data;
 483         self.writecmd(self.GLITCHAPP,0x81,len(self.data),self.data);
 484         #return ord(self.data[0]);
 485     def glitchstart(self):
 486         """Glitch into the AVR application."""
 487         self.glitchVerb(self.APP,0x20,None);
 488     def glitchstarttime(self):
 489         """Measure the timer of the START verb."""
 490         return self.glitchTime(self.APP,0x20,None);
 491     def glitchTime(self,app,verb,data):
 492         """Time the execution of a verb."""
 493         if data==None: data=[];
 494         self.data=[app&0xff, verb&0xFF]+data;
 495         print "Timing app %02x verb %02x." % (app,verb);
 496         self.writecmd(self.GLITCHAPP,0x82,len(self.data),self.data);
 497         time=ord(self.data[0])+(ord(self.data[1])<<8);
 498         print "Timed to be %i." % time;
 499         return time;
 500     def glitchVoltages(self,low=0x0880, high=0x0fff):
 501         """Set glitching voltages. (0x0fff is max.)"""
 502         self.data=[low&0xff, (low>>8)&0xff,
 503                    high&0xff, (high>>8)&0xff];
 504         self.writecmd(self.GLITCHAPP,0x90,4,self.data);
 505         #return ord(self.data[0]);
 506     def glitchRate(self,count=0x0800):
 507         """Set glitching count period."""
 508         self.data=[count&0xff, (count>>8)&0xff];
 509         self.writecmd(self.GLITCHAPP,0x91,2,
 510                       self.data);
 511         #return ord(self.data[0]);
 512
 513
 514     #Monitor stuff
 515     def silent(self,s=0):
 516         """Transmissions halted when 1."""
 517         self.besilent=s;
 518         print "besilent is %i" % self.besilent;
 519         self.writecmd(0,0xB0,1,[s]);
 520     connected=0;
 521     def mon_connected(self):
 522         """Announce to the monitor that the connection is good."""
 523         self.connected=1;
 524         self.writecmd(0,0xB1,0,[]);
 525     def out(self,byte):
 526         """Write a byte to P5OUT."""
 527         self.writecmd(0,0xA1,1,[byte]);
 528     def dir(self,byte):
 529         """Write a byte to P5DIR."""
 530         self.writecmd(0,0xA0,1,[byte]);
 531     def call(self,adr):
 532         """Call to an address."""
 533         self.writecmd(0,0x30,2,
 534                       [adr&0xFF,(adr>>8)&0xFF]);
 535     def execute(self,code):
 536         """Execute supplied code."""
 537         self.writecmd(0,0x31,2,#len(code),
 538                       code);
 539     def MONpeek8(self,address):
 540         """Read a byte of memory from the monitor."""
 541         self.data=[address&0xff,address>>8];
 542         self.writecmd(0,0x02,2,self.data);
 543         #self.readcmd();
 544         return ord(self.data[0]);
 545     def MONpeek16(self,address):
 546         """Read a word of memory from the monitor."""
 547         return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
 548     def peek(self,address):
 549         """Read a word of memory from the monitor."""
 550         return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
 551     def eeprompeek(self,address):
 552         """Read a word of memory from the monitor."""
 553         print "EEPROM peeking not supported for the monitor.";
 554         #return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
 555     def peekbysym(self,name):
 556         """Read a value by its symbol name."""
 557         #TODO include memory in symbol.
 558         reg=self.symbols.get(name);
 559         return self.peek8(reg,"data");
 560     def pokebysym(self,name,val):
 561         """Write a value by its symbol name."""
 562         #TODO include memory in symbol.
 563         reg=self.symbols.get(name);
 564         return self.pokebyte(reg,val);
 565     def pokebyte(self,address,value,memory="vn"):
 566         """Set a byte of memory by the monitor."""
 567         self.data=[address&0xff,address>>8,value];
 568         self.writecmd(0,0x03,3,self.data);
 569         return ord(self.data[0]);
 570     def poke16(self,address,value):
 571         """Set a word of memory by the monitor."""
 572         self.pokebyte(address,value&0xFF);
 573         self.pokebyte(address,(value>>8)&0xFF);
 574         return value;
 575     def setsecret(self,value):
 576         """Set a secret word for later retreival.  Used by glitcher."""
 577         #self.eeprompoke(0,value);
 578         #self.eeprompoke(1,value);
 579         print "Secret setting is not yet suppored for this target.";
 580         print "Aborting.";
 581
 582     def getsecret(self):
 583         """Get a secret word.  Used by glitcher."""
 584         #self.eeprompeek(0);
 585         print "Secret getting is not yet suppored for this target.";
 586         print "Aborting.";
 587         sys.exit();
 588
 589     def dumpmem(self,begin,end):
 590         i=begin;
 591         while i<end:
 592             print "%04x %04x" % (i, self.MONpeek16(i));
 593             i+=2;
 594     def monitor_ram_pattern(self):
 595         """Overwrite all of RAM with 0xBEEF."""
 596         self.writecmd(0,0x90,0,self.data);
 597         return;
 598     def monitor_ram_depth(self):
 599         """Determine how many bytes of RAM are unused by looking for 0xBEEF.."""
 600         self.writecmd(0,0x91,0,self.data);
 601         return ord(self.data[0])+(ord(self.data[1])<<8);
 602
 603     #Baud rates.
 604     baudrates=[115200,
 605                9600,
 606                19200,
 607                38400,
 608                57600,
 609                115200];
 610     def setBaud(self,baud):
 611         """Change the baud rate.  TODO fix this."""
 612         rates=self.baudrates;
 613         self.data=[baud];
 614         print "Changing FET baud."
 615         self.serialport.write(chr(0x00));
 616         self.serialport.write(chr(0x80));
 617         self.serialport.write(chr(1));
 618         self.serialport.write(chr(baud));
 619
 620         print "Changed host baud."
 621         self.serialport.setBaudrate(rates[baud]);
 622         time.sleep(1);
 623         self.serialport.flushInput()
 624         self.serialport.flushOutput()
 625
 626         print "Baud is now %i." % rates[baud];
 627         return;
 628     def readbyte(self):
 629         return ord(self.serialport.read(1));
 630     def findbaud(self):
 631         for r in self.baudrates:
 632             print "\nTrying %i" % r;
 633             self.serialport.setBaudrate(r);
 634             #time.sleep(1);
 635             self.serialport.flushInput()
 636             self.serialport.flushOutput()
 637
 638             for i in range(1,10):
 639                 self.readbyte();
 640
 641             print "Read %02x %02x %02x %02x" % (
 642                 self.readbyte(),self.readbyte(),self.readbyte(),self.readbyte());
 643     def monitortest(self):
 644         """Self-test several functions through the monitor."""
 645         print "Performing monitor self-test.";
 646         self.monitorclocking();
 647         for f in range(0,3000):
 648             a=self.MONpeek16(0x0c00);
 649             b=self.MONpeek16(0x0c02);
 650             if a!=0x0c04 and a!=0x0c06:
 651                 print "ERROR Fetched %04x, %04x" % (a,b);
 652             self.pokebyte(0x0021,0); #Drop LED
 653             if self.MONpeek8(0x0021)!=0:
 654                 print "ERROR, P1OUT not cleared.";
 655             self.pokebyte(0x0021,1); #Light LED
 656             if not self.monitorecho():
 657                 print "Echo test failed.";
 658         print "Self-test complete.";
 659         self.monitorclocking();
 660     def monitorecho(self):
 661         data="The quick brown fox jumped over the lazy dog.";
 662         self.writecmd(self.MONITORAPP,0x81,len(data),data);
 663         if self.data!=data:
 664             print "Comm error recognized by monitorecho(), got:\n%s" % self.data;
 665             return 0;
 666         return 1;
 667
 668     def monitor_info(self):
 669         print "GoodFET with %s MCU" % self.infostring();
 670         print "Clocked at %s" % self.monitorclocking();
 671         return 1;
 672
 673     def testleds(self):
 674         print "Flashing LEDs"
 675         self.writecmd(self.MONITORAPP,0xD0,0,"");
 676         try:
 677             print "Flashed %d LED." % ord(self.data)
 678         except:
 679             print "Unable to process response:", self.data
 680
 681     def monitor_list_apps(self, full=False):
 682         self.monitor_info()
 683         old_value = self.besilent
 684         self.besilent = True    # turn off automatic call to readcmd
 685         self.writecmd(self.MONITORAPP, 0x82, 1, [int(full)]);
 686         self.besilent = old_value
 687
 688         # read the build date string
 689         self.readcmd()
 690         print "Build Date: %s" % self.data
 691         print "Firmware apps:"
 692         while True:
 693             self.readcmd()
 694             if self.count == 0:
 695                 break
 696             print self.data
 697         return 1;
 698
 699     def monitorclocking(self):
 700         """Return the 16-bit clocking value."""
 701         return "0x%04x" % self.monitorgetclock();
 702
 703     def monitorsetclock(self,clock):
 704         """Set the clocking value."""
 705         self.MONpoke16(0x56, clock);
 706     def monitorgetclock(self):
 707         """Get the clocking value."""
 708         if(os.environ.get("platform")=='arduino' or os.environ.get("board")=='arduino'):
 709             return 0xDEAD;
 710         #Check for MSP430 before peeking this.
 711         return self.MONpeek16(0x56);
 712     # The following functions ought to be implemented in
 713     # every client.
 714
 715     def infostring(self):
 716         if(os.environ.get("platform")=='arduino' or os.environ.get("board")=='arduino'):
 717             return "Arduino";
 718         else:
 719             a=self.MONpeek8(0xff0);
 720             b=self.MONpeek8(0xff1);
 721             return "%02x%02x" % (a,b);
 722     def lock(self):
 723         print "Locking Unsupported.";
 724     def erase(self):
 725         print "Erasure Unsupported.";
 726     def setup(self):
 727         return;
 728     def start(self):
 729         return;
 730     def test(self):
 731         print "Unimplemented.";
 732         return;
 733     def status(self):
 734         print "Unimplemented.";
 735         return;
 736     def halt(self):
 737         print "Unimplemented.";
 738         return;
 739     def resume(self):
 740         print "Unimplemented.";
 741         return;
 742     def getpc(self):
 743         print "Unimplemented.";
 744         return 0xdead;
 745     def flash(self,file):
 746         """Flash an intel hex file to code memory."""
 747         print "Flash not implemented.";
 748     def dump(self,file,start=0,stop=0xffff):
 749         """Dump an intel hex file from code memory."""
 750         print "Dump not implemented.";
 751     def peek32(self,address, memory="vn"):
 752         """Peek 32 bits."""
 753         return (self.peek16(address,memory)+
 754                 (self.peek16(address+2,memory)<<16));
 755     def peek16(self,address, memory="vn"):
 756         """Peek 16 bits of memory."""
 757         return (self.peek8(address,memory)+
 758                 (self.peek8(address+1,memory)<<8));
 759     def peek8(self,address, memory="vn"):
 760         """Peek a byte of memory."""
 761         return self.MONpeek8(address); #monitor
 762     def peekblock(self,address,length,memory="vn"):
 763         """Return a block of data."""
 764         data=range(0,length);
 765         for foo in range(0,length):
 766             data[foo]=self.peek8(address+foo,memory);
 767         return data;
 768     def pokeblock(self,address,bytes,memory="vn"):
 769         """Poke a block of a data into memory at an address."""
 770         for foo in bytes:
 771             self.pokebyte(address,foo,memory);
 772             address=address+1;
 773         return;
 774     def loadsymbols(self):
 775         """Load symbols from a file."""
 776         return;