git.rot13.org Git - goodfet/blob - client/GoodFETCC.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;
   9 import binascii;
  10
  11 from GoodFET import GoodFET;
  12 from intelhex import IntelHex;
  13
  14 import xml.dom.minidom, time;
  15
  16 class GoodFETCC(GoodFET):
  17     """A GoodFET variant for use with Chipcon 8051 Zigbee SoC."""
  18     APP=0x30;
  19
  20
  21
  22
  23     smartrfpath="/opt/smartrf7";
  24     def loadsymbols(self):
  25         try: self.SRF_loadsymbols();
  26         except:
  27             if self.verbose>0: print "SmartRF not found at %s." % self.smartrfpath;
  28     def SRF_chipdom(self,chip="cc1110", doc="register_definition.xml"):
  29         fn="%s/config/xml/%s/%s" % (self.smartrfpath,chip,doc);
  30         #print "Opening %s" % fn;
  31         return xml.dom.minidom.parse(fn)
  32
  33     def CMDrs(self,args=[]):
  34         """Chip command to grab the radio state."""
  35         try:
  36             self.SRF_radiostate();
  37         except:
  38             print "Error printing radio state.";
  39             print "SmartRF not found at %s." % self.smartrfpath;
  40     def SRF_bitfieldstr(self,bf):
  41         name="unused";
  42         start=0;
  43         stop=0;
  44         access="";
  45         reset="0x00";
  46         description="";
  47         for e in bf.childNodes:
  48             if e.localName=="Name" and e.childNodes: name= e.childNodes[0].nodeValue;
  49             elif e.localName=="Start": start=e.childNodes[0].nodeValue;
  50             elif e.localName=="Stop": stop=e.childNodes[0].nodeValue;
  51         return "   [%s:%s] %30s " % (start,stop,name);
  52     def SRF_radiostate(self):
  53         ident=self.CCident();
  54         chip=self.CCversions.get(ident&0xFF00);
  55         dom=self.SRF_chipdom(chip,"register_definition.xml");
  56         for e in dom.getElementsByTagName("registerdefinition"):
  57             for f in e.childNodes:
  58                 if f.localName=="DeviceName":
  59                     print "// %s RadioState" % (f.childNodes[0].nodeValue);
  60                 elif f.localName=="Register":
  61                     name="unknownreg";
  62                     address="0xdead";
  63                     description="";
  64                     bitfields="";
  65                     for g in f.childNodes:
  66                         if g.localName=="Name":
  67                             name=g.childNodes[0].nodeValue;
  68                         elif g.localName=="Address":
  69                             address=g.childNodes[0].nodeValue;
  70                         elif g.localName=="Description":
  71                             if g.childNodes:
  72                                 description=g.childNodes[0].nodeValue;
  73                         elif g.localName=="Bitfield":
  74                             bitfields+="%17s/* %-50s */\n" % ("",self.SRF_bitfieldstr(g));
  75                     #print "SFRX(%10s, %s); /* %50s */" % (name,address, description);
  76                     print "%-10s=0x%02x; /* %-50s */" % (
  77                         name,self.CCpeekdatabyte(eval(address)), description);
  78                     if bitfields!="": print bitfields.rstrip();
  79     def RF_setfreq(self,frequency):
  80         """Set the frequency in Hz."""
  81         #FIXME CC1110 specific
  82         #Some frequencies fail, probably and FSCAL thing.
  83
  84         hz=frequency;
  85         freq=int(hz/396.728515625);
  86
  87         freq0=freq&0xFF;
  88         freq1=(freq&0xFF00)>>8;
  89         freq2=(freq&0xFF0000)>>16;
  90
  91         self.pokebysym("FREQ2",freq2);
  92         self.pokebysym("FREQ1",freq1);
  93         self.pokebysym("FREQ0",freq0);
  94
  95         self.pokebysym("TEST1",0x31);
  96         self.pokebysym("TEST0",0x09);
  97
  98         #self.pokebysym("PA_TABLE0" ,   0x60);  #above mid
  99
 100         #self.pokebysym("FSCAL2" ,   0x2A);  #above mid
 101         self.pokebysym("FSCAL2" ,   0x0A);  #beneath mid
 102
 103         #self.CC_RFST_CAL(); #SCAL
 104         #time.sleep(1);
 105
 106
 107     def RF_getfreq(self):
 108         """Get the frequency in Hz."""
 109         #FIXME CC1110 specific
 110
 111         #return (2400+self.peek(0x05))*10**6
 112         #self.poke(0x05,chan);
 113
 114         #freq2=self.CCpeekdatabyte(0xdf09);
 115         #freq1=self.CCpeekdatabyte(0xdf0a);
 116         #freq0=self.CCpeekdatabyte(0xdf0b);
 117         freq=0;
 118         try:
 119             freq2=self.peekbysym("FREQ2");
 120             freq1=self.peekbysym("FREQ1");
 121             freq0=self.peekbysym("FREQ0");
 122             freq=(freq2<<16)+(freq1<<8)+freq0;
 123         except:
 124             freq=0;
 125
 126         hz=freq*396.728515625;
 127
 128         return hz;
 129     def shellcodefile(self,filename,wait=1):
 130         """Run a fragment of shellcode by name."""
 131         #FIXME: should identify chip model number, use shellcode for that chip.
 132         file=__file__;
 133         file=file.replace("GoodFETCC.pyc","GoodFETCC.py");
 134         path=file.replace("client/GoodFETCC.py","shellcode/chipcon/cc1110/");
 135         #print "File\t%s" % file;
 136         #print "Path\t%s" % path;
 137         filename=path+filename;
 138         #print "Loading shelcode from %s" % filename;
 139
 140         #Load the shellcode.
 141         h=IntelHex(filename);
 142         for i in h._buf.keys():
 143             self.CCpokedatabyte(i,h[i]);
 144
 145         #Execute it.
 146         self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
 147         self.resume();
 148         while wait>0 and (0==self.CCstatus()&0x20):
 149             a=1;
 150             #time.sleep(0.1);
 151             #print "Waiting for shell code to return.";
 152         return;
 153     def shellcode(self,code,wait=1):
 154         """Copy a block of code into RAM and execute it."""
 155         i=0;
 156         ram=0xF000;
 157         for byte in code:
 158             self.pokebyte(0xF000+i,byte);
 159             i=i+1;
 160         #print "Code loaded, executing."
 161         self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
 162         self.resume();
 163         while wait>0 and (0==self.CCstatus()&0x20):
 164             a=1;
 165             #time.sleep(0.1);
 166             #print "Waiting for shell code to return.";
 167         return;
 168     def CC1110_crystal(self):
 169         """Start the main crystal of the CC1110 oscillating, needed for radio use."""
 170         code=[0x53, 0xBE, 0xFB, #anl SLEEP, #0xFB
 171               #one:
 172               0xE5, 0xBE,       #mov a,SLEEP
 173               0x30, 0xE6, 0xFB, #jnb acc.6, back
 174               0x53, 0xc6, 0xB8, #anl CLKCON, #0xB8
 175               #two
 176               0xE5, 0xC6,       #mov a,CLKCON
 177               0x20, 0xE6, 0xFB, #jb acc.6, two
 178               0x43, 0xBE, 0x04, #orl SLEEP, #0x04
 179               0xA5,             #HALT
 180               ];
 181         self.shellcode(code);
 182
 183         #Slower to load, but produced from C.
 184         #self.shellcodefile("crystal.ihx");
 185         return;
 186     def RF_idle(self):
 187         """Move the radio to its idle state."""
 188         self.CC_RFST_IDLE();
 189         return;
 190
 191     #Chipcon RF strobes.  CC1110 specific
 192     RFST_IDLE=0x04;
 193     RFST_RX=0x02;
 194     RFST_TX=0x03;
 195     RFST_CAL=0x01;
 196     def CC_RFST_IDLE(self):
 197         """Switch the radio to idle mode, clearing overflows and errors."""
 198         self.CC_RFST(self.RFST_IDLE);
 199     def CC_RFST_TX(self):
 200         """Switch the radio to TX mode."""
 201         self.CC_RFST(self.RFST_TX);
 202     def CC_RFST_RX(self):
 203         """Switch the radio to RX mode."""
 204         self.CC_RFST(self.RFST_RX);
 205     def CC_RFST_CAL(self):
 206         """Calibrate strobe the radio."""
 207         self.CC_RFST(self.RFST_CAL);
 208     def CC_RFST(self,state=RFST_IDLE):
 209         RFST=0xDFE1
 210         self.pokebyte(RFST,state); #Return to idle state.
 211         return;
 212
 213     def config_simpliciti(self,band="none"):
 214         self.pokebysym("FSCTRL1"  , 0x08)   # Frequency synthesizer control.
 215         self.pokebysym("FSCTRL0"  , 0x00)   # Frequency synthesizer control.
 216
 217         #Don't change these while the radio is active.
 218         self.pokebysym("FSCAL3"   , 0xEA)   # Frequency synthesizer calibration.
 219         self.pokebysym("FSCAL2"   , 0x2A)   # Frequency synthesizer calibration.
 220         self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 221         self.pokebysym("FSCAL0"   , 0x1F)   # Frequency synthesizer calibration.
 222
 223         if band=="ismeu" or band=="eu":
 224             self.pokebysym("FREQ2"    , 0x21)   # Frequency control word, high byte.
 225             self.pokebysym("FREQ1"    , 0x71)   # Frequency control word, middle byte.
 226             self.pokebysym("FREQ0"    , 0x7a)   # Frequency control word, low byte.
 227         if band=="ismus" or band=="us":
 228             self.pokebysym("FREQ2"    , 0x22)   # Frequency control word, high byte.
 229             self.pokebysym("FREQ1"    , 0xB1)   # Frequency control word, middle byte.
 230             self.pokebysym("FREQ0"    , 0x3B)   # Frequency control word, low byte.
 231         if band=="ismlf" or band=="lf":
 232             self.pokebysym("FREQ2"    , 0x10)   # Frequency control word, high byte.
 233             self.pokebysym("FREQ1"    , 0xB0)   # Frequency control word, middle byte.
 234             self.pokebysym("FREQ0"    , 0x71)   # Frequency control word, low byte.
 235
 236         self.pokebysym("MDMCFG4"  , 0x7B)   # Modem configuration.
 237         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 238         self.pokebysym("MDMCFG2"  , 0x13)   # Modem configuration.
 239         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 240         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 241         if band=="ismus" or band=="us":
 242             self.pokebysym("CHANNR"   , 20)   # Channel number.
 243         else:
 244             self.pokebysym("CHANNR"   , 0x00)   # Channel number.
 245         self.pokebysym("DEVIATN"  , 0x42)   # Modem deviation setting (when FSK modulation is enabled).
 246
 247         self.pokebysym("FREND1"   , 0xB6)   # Front end RX configuration.
 248         self.pokebysym("FREND0"   , 0x10)   # Front end RX configuration.
 249         self.pokebysym("MCSM0"    , 0x18)   # Main Radio Control State Machine configuration.
 250         self.pokebysym("FOCCFG"   , 0x1D)   # Frequency Offset Compensation Configuration.
 251         self.pokebysym("BSCFG"    , 0x1C)   # Bit synchronization Configuration.
 252
 253         self.pokebysym("AGCCTRL2" , 0xC7)   # AGC control.
 254         self.pokebysym("AGCCTRL1" , 0x00)   # AGC control.
 255         self.pokebysym("AGCCTRL0" , 0xB2)   # AGC control.
 256
 257         self.pokebysym("TEST2"    , 0x81)   # Various test settings.
 258         self.pokebysym("TEST1"    , 0x35)   # Various test settings.
 259         self.pokebysym("TEST0"    , 0x09)   # Various test settings.
 260         self.pokebysym("PA_TABLE0", 0xC0)   # PA output power setting.
 261         self.pokebysym("PKTCTRL1" , 0x04)   # Packet automation control, w/ lqi
 262         #self.pokebysym("PKTCTRL1" , 0x00)   # Packet automation control. w/o lqi
 263         self.pokebysym("PKTCTRL0" , 0x05)   # Packet automation control, w/ checksum.
 264         self.pokebysym("PKTCTRL0" , 0x00)   # Packet automation control, w/o checksum, fixed length
 265         self.pokebysym("ADDR"     , 0x01)   # Device address.
 266         self.pokebysym("PKTLEN"   , 0xFF)   # Packet length.
 267
 268         self.pokebysym("SYNC1",0xD3);
 269         self.pokebysym("SYNC0",0x91);
 270
 271     def RF_carrier(self):
 272         """Hold a carrier wave on the present frequency."""
 273
 274         self.CC1110_crystal(); #FIXME, '1110 specific.
 275         self.RF_idle();
 276
 277
 278         RFST=0xDFE1;
 279
 280         self.config_simpliciti();
 281
 282         #Don't change these while the radio is active.
 283         #self.pokebysym("FSCAL3"   , 0xA9)   # Frequency synthesizer calibration.
 284         #self.pokebysym("FSCAL2"   , 0x0A)   # Frequency synthesizer calibration.
 285         #self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 286         #self.pokebysym("FSCAL0"   , 0x11)   # Frequency synthesizer calibration.
 287
 288         #Ramp up the power.
 289         #self.pokebysym("PA_TABLE0", 0xFF)   # PA output power setting.
 290
 291         #This is what drops to OOK.
 292         #Comment to keep GFSK, might be better at jamming.
 293         self.pokebysym("MDMCFG4"  , 0x86)   # Modem configuration.
 294         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 295         self.pokebysym("MDMCFG2"  , 0x30)   # Modem configuration.
 296         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 297         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 298
 299
 300         self.pokebysym("SYNC1",0xAA);
 301         self.pokebysym("SYNC0",0xAA);
 302
 303
 304
 305         #while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
 306         state=0;
 307
 308         while((state!=0x13)):
 309             self.pokebyte(RFST,0x03); #RFST=RFST_STX
 310             time.sleep(0.1);
 311             state=self.peekbysym("MARCSTATE")&0x1F;
 312             #print "state=%02x" % state;
 313         print "Holding a carrier on %f MHz." % (self.RF_getfreq()/10**6);
 314
 315         return;
 316
 317     def RF_getsmac(self):
 318         """Return the source MAC address."""
 319
 320         #Register 0A is RX_ADDR_P0, five bytes.
 321         mac=self.peekbysym("ADDR");
 322         return mac;
 323     def RF_setsmac(self,mac):
 324         """Set the source MAC address."""
 325         self.pokebysym("ADDR",mac);
 326         return 0;
 327     def RF_gettmac(self):
 328         """Return the target MAC address."""
 329         return 0;
 330     def RF_settmac(self,mac):
 331         """Set the target MAC address."""
 332         return 0;
 333     def RF_rxpacket(self):
 334         """Get a packet from the radio.  Returns None if none is waiting."""
 335         self.shellcodefile("rxpacket.ihx");
 336         len=self.peek8(0xFE00,"xdata");
 337         return self.peekblock(0xFE00,len+1,"data");
 338     def RF_txpacket(self,packet):
 339         """Transmit a packet.  Untested."""
 340
 341         self.pokeblock(0xFE00,packet,"data");
 342         self.shellcodefile("txpacket.ihx");
 343         return;
 344     def RF_txrxpacket(self,packet):
 345         """Transmit a packet.  Untested."""
 346
 347         self.pokeblock(0xFE00,packet,"data");
 348         self.shellcodefile("txrxpacket.ihx");
 349         len=self.peek8(0xFE00,"xdata");
 350         return self.peekblock(0xFE00,len+1,"data");
 351
 352     def RF_getrssi(self):
 353         """Returns the received signal strenght, with a weird offset."""
 354         try:
 355             rssireg=self.symbols.get("RSSI");
 356             return self.CCpeekdatabyte(rssireg)^0x80;
 357         except:
 358             if self.verbose>0: print "RSSI reg doesn't exist.";
 359         try:
 360             #RSSI doesn't exist on 2.4GHz devices.  Maybe RSSIL and RSSIH?
 361             rssilreg=self.symbols.get("RSSIL");
 362             rssil=self.CCpeekdatabyte(rssilreg);
 363             rssihreg=self.symbols.get("RSSIL");
 364             rssih=self.CCpeekdatabyte(rssihreg);
 365             return (rssih<<8)|rssil;
 366         except:
 367             if self.verbose>0: print "RSSIL/RSSIH regs don't exist.";
 368
 369         return 0;
 370
 371
 372
 373     def SRF_loadsymbols(self):
 374         ident=self.CCident();
 375         chip=self.CCversions.get(ident&0xFF00);
 376         dom=self.SRF_chipdom(chip,"register_definition.xml");
 377         for e in dom.getElementsByTagName("registerdefinition"):
 378             for f in e.childNodes:
 379                 if f.localName=="Register":
 380                     name="unknownreg";
 381                     address="0xdead";
 382                     description="";
 383                     bitfields="";
 384                     for g in f.childNodes:
 385                         if g.localName=="Name":
 386                             name=g.childNodes[0].nodeValue;
 387                         elif g.localName=="Address":
 388                             address=g.childNodes[0].nodeValue;
 389                         elif g.localName=="Description":
 390                             if g.childNodes:
 391                                 description=g.childNodes[0].nodeValue;
 392                         elif g.localName=="Bitfield":
 393                             bitfields+="%17s/* %-50s */\n" % ("",self.SRF_bitfieldstr(g));
 394                     #print "SFRX(%10s, %s); /* %50s */" % (name,address, description);
 395                     self.symbols.define(eval(address),name,description,"data");
 396     def halt(self):
 397         """Halt the CPU."""
 398         self.CChaltcpu();
 399     def CChaltcpu(self):
 400         """Halt the CPU."""
 401         self.writecmd(self.APP,0x86,0,self.data);
 402     def resume(self):
 403         self.CCreleasecpu();
 404     def CCreleasecpu(self):
 405         """Resume the CPU."""
 406         self.writecmd(self.APP,0x87,0,self.data);
 407     def test(self):
 408         self.CCreleasecpu();
 409         self.CChaltcpu();
 410         #print "Status: %s" % self.CCstatusstr();
 411
 412         #Grab ident three times, should be equal.
 413         ident1=self.CCident();
 414         ident2=self.CCident();
 415         ident3=self.CCident();
 416         if(ident1!=ident2 or ident2!=ident3):
 417             print "Error, repeated ident attempts unequal."
 418             print "%04x, %04x, %04x" % (ident1, ident2, ident3);
 419
 420         #Single step, printing PC.
 421         print "Tracing execution at startup."
 422         for i in range(1,15):
 423             pc=self.CCgetPC();
 424             byte=self.CCpeekcodebyte(i);
 425             #print "PC=%04x, %02x" % (pc, byte);
 426             self.CCstep_instr();
 427
 428         print "Verifying that debugging a NOP doesn't affect the PC."
 429         for i in range(1,15):
 430             pc=self.CCgetPC();
 431             self.CCdebuginstr([0x00]);
 432             if(pc!=self.CCgetPC()):
 433                 print "ERROR: PC changed during CCdebuginstr([NOP])!";
 434
 435         print "Checking pokes to XRAM."
 436         for i in range(0xf000,0xf020):
 437             self.CCpokedatabyte(i,0xde);
 438             if(self.CCpeekdatabyte(i)!=0xde):
 439                 print "Error in XDATA at 0x%04x" % i;
 440
 441         #print "Status: %s." % self.CCstatusstr();
 442         #Exit debugger
 443         self.stop();
 444         print "Done.";
 445
 446     def setup(self):
 447         """Move the FET into the CC2430/CC2530 application."""
 448         #print "Initializing Chipcon.";
 449         self.writecmd(self.APP,0x10,0,self.data);
 450     def CCrd_config(self):
 451         """Read the config register of a Chipcon."""
 452         self.writecmd(self.APP,0x82,0,self.data);
 453         return ord(self.data[0]);
 454     def CCwr_config(self,config):
 455         """Write the config register of a Chipcon."""
 456         self.writecmd(self.APP,0x81,1,[config&0xFF]);
 457     def CClockchip(self):
 458         """Set the flash lock bit in info mem."""
 459         self.writecmd(self.APP, 0x9A, 0, None);
 460     def lock(self):
 461         """Set the flash lock bit in info mem."""
 462         self.CClockchip();
 463
 464
 465     CCversions={0x0100:"cc1110",
 466                 0x1100:"cc1111",
 467                 0x8500:"cc2430",
 468                 0x8900:"cc2431",
 469                 0x8100:"cc2510",
 470                 0x9100:"cc2511",
 471                 0xA500:"cc2530", #page 52 of SWRU191
 472                 0xB500:"cc2531",
 473                 0xFF00:"CCmissing"};
 474     CCpagesizes={0x01: 1024, #"CC1110",
 475                  0x11: 1024, #"CC1111",
 476                  0x85: 2048, #"CC2430",
 477                  0x89: 2048, #"CC2431",
 478                  0x81: 1024, #"CC2510",
 479                  0x91: 1024, #"CC2511",
 480                  0xA5: 2048, #"CC2530", #page 52 of SWRU191
 481                  0xB5: 2048, #"CC2531",
 482                  0xFF: 0    } #"CCmissing"};
 483     def infostring(self):
 484         return self.CCidentstr();
 485     def CCidentstr(self):
 486         ident=self.CCident();
 487         chip=self.CCversions.get(ident&0xFF00);
 488         pagesize=self.CCpagesizes.get(ident>0xFF);
 489         try:
 490             return "%s/r%0.4x/ps0x%0.4x" % (chip, ident, pagesize);
 491         except:
 492             return "%04x" % ident;
 493     def CCident(self):
 494         """Get a chipcon's ID."""
 495         self.writecmd(self.APP,0x8B,0,None);
 496         chip=ord(self.data[0]);
 497         rev=ord(self.data[1]);
 498         return (chip<<8)+rev;
 499     def CCpagesize(self):
 500         """Get a chipcon's ID."""
 501         self.writecmd(self.APP,0x8B,0,None);
 502         chip=ord(self.data[0]);
 503         size=self.CCpagesizes.get(chip);
 504         if(size<10):
 505             print "ERROR: Pagesize undefined.";
 506             print "chip=%0.4x" %chip;
 507             sys.exit(1);
 508             #return 2048;
 509         return size;
 510     def getpc(self):
 511         return self.CCgetPC();
 512     def CCgetPC(self):
 513         """Get a chipcon's PC."""
 514         self.writecmd(self.APP,0x83,0,None);
 515         hi=ord(self.data[0]);
 516         lo=ord(self.data[1]);
 517         return (hi<<8)+lo;
 518     def CCcmd(self,phrase):
 519         self.writecmd(self.APP,0x00,len(phrase),phrase);
 520         val=ord(self.data[0]);
 521         print "Got %02x" % val;
 522         return val;
 523     def CCdebuginstr(self,instr):
 524         self.writecmd(self.APP,0x88,len(instr),instr);
 525         return ord(self.data[0]);
 526     #def peekblock(self,adr,length,memory="vn"):
 527     #    """Return a block of data, broken"""
 528     #    data=[adr&0xff, (adr&0xff00)>>8,
 529     #          length&0xFF,(length&0xFF00)>>8];
 530     #    self.writecmd(self.APP,0x91,4,data);
 531     #    return [ord(x) for x in self.data]
 532     def peek8(self,address, memory="code"):
 533         if(memory=="code" or memory=="flash" or memory=="vn"):
 534             return self.CCpeekcodebyte(address);
 535         elif(memory=="data" or memory=="xdata" or memory=="ram"):
 536             return self.CCpeekdatabyte(address);
 537         elif(memory=="idata" or memory=="iram"):
 538             return self.CCpeekirambyte(address);
 539         print "%s is an unknown memory." % memory;
 540         return 0xdead;
 541     def CCpeekcodebyte(self,adr):
 542         """Read the contents of code memory at an address."""
 543         self.data=[adr&0xff, (adr&0xff00)>>8];
 544         self.writecmd(self.APP,0x90,2,self.data);
 545         return ord(self.data[0]);
 546     def CCpeekdatabyte(self,adr):
 547         """Read the contents of data memory at an address."""
 548         self.data=[adr&0xff, (adr&0xff00)>>8];
 549         self.writecmd(self.APP,0x91, 2, self.data);
 550         return ord(self.data[0]);
 551     def CCpeekirambyte(self,adr):
 552         """Read the contents of IRAM at an address."""
 553         self.data=[adr&0xff];
 554         self.writecmd(self.APP,0x02, 1, self.data);
 555         return ord(self.data[0]);
 556     def CCpeekiramword(self,adr):
 557         """Read the little-endian contents of IRAM at an address."""
 558         return self.CCpeekirambyte(adr)+(
 559             self.CCpeekirambyte(adr+1)<<8);
 560     def CCpokeiramword(self,adr,val):
 561         self.CCpokeirambyte(adr,val&0xff);
 562         self.CCpokeirambyte(adr+1,(val>>8)&0xff);
 563     def CCpokeirambyte(self,adr,val):
 564         """Write the contents of IRAM at an address."""
 565         self.data=[adr&0xff, val&0xff];
 566         self.writecmd(self.APP,0x02, 2, self.data);
 567         return ord(self.data[0]);
 568     def pokebyte(self,adr,val,mem="data"):
 569         if mem!="data":
 570             print "FIXME: poking of non data bytes not yet supported.";
 571         self.CCpokedatabyte(adr,val);
 572     def CCpokedatabyte(self,adr,val):
 573         """Write a byte to data memory."""
 574         self.data=[adr&0xff, (adr&0xff00)>>8, val];
 575         self.writecmd(self.APP, 0x92, 3, self.data);
 576         return ord(self.data[0]);
 577     def CCchiperase(self):
 578         """Erase all of the target's memory."""
 579         self.writecmd(self.APP,0x80,0,None);
 580     def erase(self):
 581         """Erase all of the target's memory."""
 582         self.CCchiperase();
 583         self.start();
 584
 585     def CCstatus(self):
 586         """Check the status."""
 587         self.writecmd(self.APP,0x84,0,None);
 588         return ord(self.data[0])
 589     #Same as CC2530
 590     CCstatusbits={0x80 : "erase_busy",
 591                   0x40 : "pcon_idle",
 592                   0x20 : "cpu_halted",
 593                   0x10 : "pm0",
 594                   0x08 : "halt_status",
 595                   0x04 : "locked",
 596                   0x02 : "oscstable",
 597                   0x01 : "overflow"
 598                   };
 599     CCconfigbits={0x20 : "soft_power_mode",   #new for CC2530
 600                   0x08 : "timers_off",
 601                   0x04 : "dma_pause",
 602                   0x02 : "timer_suspend",
 603                   0x01 : "sel_flash_info_page" #stricken from CC2530
 604                   };
 605
 606     def status(self):
 607         """Check the status as a string."""
 608         status=self.CCstatus();
 609         str="";
 610         i=1;
 611         while i<0x100:
 612             if(status&i):
 613                 str="%s %s" %(self.CCstatusbits[i],str);
 614             i*=2;
 615         return str;
 616     def start(self):
 617         """Start debugging."""
 618         self.setup();
 619         self.writecmd(self.APP,0x20,0,self.data);
 620         ident=self.CCidentstr();
 621         #print "Target identifies as %s." % ident;
 622         #print "Status: %s." % self.status();
 623         self.CCreleasecpu();
 624         self.CChaltcpu();
 625         #Get SmartRF Studio regs if they exist.
 626         self.loadsymbols();
 627
 628     def stop(self):
 629         """Stop debugging."""
 630         self.writecmd(self.APP,0x21,0,self.data);
 631     def CCstep_instr(self):
 632         """Step one instruction."""
 633         self.writecmd(self.APP,0x89,0,self.data);
 634     def CCeraseflashbuffer(self):
 635         """Erase the 2kB flash buffer"""
 636         self.writecmd(self.APP,0x99);
 637     def CCflashpage(self,adr):
 638         """Flash 2kB a page of flash from 0xF000 in XDATA"""
 639         data=[adr&0xFF,
 640               (adr>>8)&0xFF,
 641               (adr>>16)&0xFF,
 642               (adr>>24)&0xFF];
 643         print "Flashing buffer to 0x%06x" % adr;
 644         self.writecmd(self.APP,0x95,4,data);
 645
 646     def setsecret(self,value):
 647         """Set a secret word for later retreival.  Used by glitcher."""
 648         page = 0x0000;
 649         pagelen = self.CCpagesize(); #Varies by chip.
 650         print "page=%04x, pagelen=%04x" % (page,pagelen);
 651
 652         self.CCeraseflashbuffer();
 653         print "Setting secret to %x" % value;
 654         self.CCpokedatabyte(0xF000,value);
 655         self.CCpokedatabyte(0xF800,value);
 656         print "Setting secret to %x==%x" % (value,
 657                                             self.CCpeekdatabyte(0xf000));
 658         self.CCflashpage(0);
 659         print "code[0]=%x" % self.CCpeekcodebyte(0);
 660     def getsecret(self):
 661         """Get a secret word.  Used by glitcher."""
 662         secret=self.CCpeekcodebyte(0);
 663         #print "Got secret %02x" % secret;
 664         return secret;
 665
 666     def dump(self,file,start=0,stop=0xffff):
 667         """Dump an intel hex file from code memory."""
 668         print "Dumping code from %04x to %04x as %s." % (start,stop,file);
 669         h = IntelHex(None);
 670         i=start;
 671         while i<=stop:
 672             h[i]=self.CCpeekcodebyte(i);
 673             if(i%0x100==0):
 674                 print "Dumped %04x."%i;
 675                 h.write_hex_file(file); #buffer to disk.
 676             i+=1;
 677         h.write_hex_file(file);
 678
 679     def flash(self,file):
 680         """Flash an intel hex file to code memory."""
 681         print "Flashing %s" % file;
 682
 683         h = IntelHex(file);
 684         page = 0x0000;
 685         pagelen = self.CCpagesize(); #Varies by chip.
 686
 687         #print "page=%04x, pagelen=%04x" % (page,pagelen);
 688
 689         bcount = 0;
 690
 691         #Wipe the RAM buffer for the next flash page.
 692         self.CCeraseflashbuffer();
 693         for i in h._buf.keys():
 694             while(i>=page+pagelen):
 695                 if bcount>0:
 696                     self.CCflashpage(page);
 697                     #client.CCeraseflashbuffer();
 698                     bcount=0;
 699                     print "Flashed page at %06x" % page
 700                 page+=pagelen;
 701
 702             #Place byte into buffer.
 703             self.CCpokedatabyte(0xF000+i-page,
 704                                 h[i]);
 705             bcount+=1;
 706             if(i%0x100==0):
 707                 print "Buffering %04x toward %06x" % (i,page);
 708         #last page
 709         self.CCflashpage(page);
 710         print "Flashed final page at %06x" % page;
 711