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     lastshellcode="none";
 130     def shellcodefile(self,filename,wait=1):
 131         """Run a fragment of shellcode by name."""
 132         #FIXME: should identify chip model number, use shellcode for that chip.
 133
 134         if self.lastshellcode!=filename:
 135             self.lastshellcode=filename;
 136             file=__file__;
 137             file=file.replace("GoodFETCC.pyc","GoodFETCC.py");
 138             path=file.replace("client/GoodFETCC.py","shellcode/chipcon/cc1110/");
 139             filename=path+filename;
 140
 141             #Load the shellcode.
 142             h=IntelHex(filename);
 143             for i in h._buf.keys():
 144                 self.CCpokedatabyte(i,h[i]);
 145
 146         #Execute it.
 147         self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
 148         self.resume();
 149         while wait>0 and (0==self.CCstatus()&0x20):
 150             a=1;
 151             #time.sleep(0.1);
 152             #print "Waiting for shell code to return.";
 153         return;
 154     def ishalted(self):
 155         return self.CCstatus()&0x20;
 156     def shellcode(self,code,wait=1):
 157         """Copy a block of code into RAM and execute it."""
 158         i=0;
 159         ram=0xF000;
 160         for byte in code:
 161             self.pokebyte(0xF000+i,byte);
 162             i=i+1;
 163         #print "Code loaded, executing."
 164         self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
 165         self.resume();
 166         while wait>0 and (0==self.CCstatus()&0x20):
 167             a=1;
 168             #time.sleep(0.1);
 169             #print "Waiting for shell code to return.";
 170         return;
 171     def CC1110_crystal(self):
 172         """Start the main crystal of the CC1110 oscillating, needed for radio use."""
 173         code=[0x53, 0xBE, 0xFB, #anl SLEEP, #0xFB
 174               #one:
 175               0xE5, 0xBE,       #mov a,SLEEP
 176               0x30, 0xE6, 0xFB, #jnb acc.6, back
 177               0x53, 0xc6, 0xB8, #anl CLKCON, #0xB8
 178               #two
 179               0xE5, 0xC6,       #mov a,CLKCON
 180               0x20, 0xE6, 0xFB, #jb acc.6, two
 181               0x43, 0xBE, 0x04, #orl SLEEP, #0x04
 182               0xA5,             #HALT
 183               ];
 184         self.shellcode(code);
 185
 186         #Slower to load, but produced from C.
 187         #self.shellcodefile("crystal.ihx");
 188         return;
 189     def RF_idle(self):
 190         """Move the radio to its idle state."""
 191         self.CC_RFST_IDLE();
 192         return;
 193
 194     #Chipcon RF strobes.  CC1110 specific
 195     RFST_IDLE=0x04;
 196     RFST_RX=0x02;
 197     RFST_TX=0x03;
 198     RFST_CAL=0x01;
 199     def CC_RFST_IDLE(self):
 200         """Switch the radio to idle mode, clearing overflows and errors."""
 201         self.CC_RFST(self.RFST_IDLE);
 202     def CC_RFST_TX(self):
 203         """Switch the radio to TX mode."""
 204         self.CC_RFST(self.RFST_TX);
 205     def CC_RFST_RX(self):
 206         """Switch the radio to RX mode."""
 207         self.CC_RFST(self.RFST_RX);
 208     def CC_RFST_CAL(self):
 209         """Calibrate strobe the radio."""
 210         self.CC_RFST(self.RFST_CAL);
 211     def CC_RFST(self,state=RFST_IDLE):
 212         RFST=0xDFE1
 213         self.pokebyte(RFST,state); #Return to idle state.
 214         return;
 215
 216     def config_simpliciti(self,band="none"):
 217         self.pokebysym("FSCTRL1"  , 0x08)   # Frequency synthesizer control.
 218         self.pokebysym("FSCTRL0"  , 0x00)   # Frequency synthesizer control.
 219
 220         #Don't change these while the radio is active.
 221         self.pokebysym("FSCAL3"   , 0xEA)   # Frequency synthesizer calibration.
 222         self.pokebysym("FSCAL2"   , 0x2A)   # Frequency synthesizer calibration.
 223         self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 224         self.pokebysym("FSCAL0"   , 0x1F)   # Frequency synthesizer calibration.
 225
 226         if band=="ismeu" or band=="eu":
 227             self.pokebysym("FREQ2"    , 0x21)   # Frequency control word, high byte.
 228             self.pokebysym("FREQ1"    , 0x71)   # Frequency control word, middle byte.
 229             self.pokebysym("FREQ0"    , 0x7a)   # Frequency control word, low byte.
 230         elif band=="ismus" or band=="us":
 231             self.pokebysym("FREQ2"    , 0x22)   # Frequency control word, high byte.
 232             self.pokebysym("FREQ1"    , 0xB1)   # Frequency control word, middle byte.
 233             self.pokebysym("FREQ0"    , 0x3B)   # Frequency control word, low byte.
 234         elif band=="ismlf" or band=="lf":
 235             self.pokebysym("FREQ2"    , 0x10)   # Frequency control word, high byte.
 236             self.pokebysym("FREQ1"    , 0xB0)   # Frequency control word, middle byte.
 237             self.pokebysym("FREQ0"    , 0x71)   # Frequency control word, low byte.
 238         elif band=="none":
 239             band="none";
 240         else:
 241             #Got a frequency, not a band.
 242             self.RF_setfreq(eval(band));
 243         self.pokebysym("MDMCFG4"  , 0x7B)   # Modem configuration.
 244         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 245         self.pokebysym("MDMCFG2"  , 0x13)   # Modem configuration.
 246         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 247         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 248         if band=="ismus" or band=="us":
 249             self.pokebysym("CHANNR"   , 20)   # Channel number.
 250         else:
 251             self.pokebysym("CHANNR"   , 0x00)   # Channel number.
 252         self.pokebysym("DEVIATN"  , 0x42)   # Modem deviation setting (when FSK modulation is enabled).
 253
 254         self.pokebysym("FREND1"   , 0xB6)   # Front end RX configuration.
 255         self.pokebysym("FREND0"   , 0x10)   # Front end RX configuration.
 256         self.pokebysym("MCSM0"    , 0x18)   # Main Radio Control State Machine configuration.
 257         self.pokebysym("FOCCFG"   , 0x1D)   # Frequency Offset Compensation Configuration.
 258         self.pokebysym("BSCFG"    , 0x1C)   # Bit synchronization Configuration.
 259
 260         self.pokebysym("AGCCTRL2" , 0xC7)   # AGC control.
 261         self.pokebysym("AGCCTRL1" , 0x00)   # AGC control.
 262         self.pokebysym("AGCCTRL0" , 0xB2)   # AGC control.
 263
 264         self.pokebysym("TEST2"    , 0x81)   # Various test settings.
 265         self.pokebysym("TEST1"    , 0x35)   # Various test settings.
 266         self.pokebysym("TEST0"    , 0x09)   # Various test settings.
 267         self.pokebysym("PA_TABLE0", 0xC0)   # PA output power setting.
 268         self.pokebysym("PKTCTRL1" , 0x04)   # Packet automation control, w/ lqi
 269         #self.pokebysym("PKTCTRL1" , 0x00)   # Packet automation control. w/o lqi
 270         self.pokebysym("PKTCTRL0" , 0x05)   # Packet automation control, w/ checksum.
 271         #self.pokebysym("PKTCTRL0" , 0x00)   # Packet automation control, w/o checksum, fixed length
 272         self.pokebysym("ADDR"     , 0x01)   # Device address.
 273         self.pokebysym("PKTLEN"   , 0xFF)   # Packet length.
 274
 275         self.pokebysym("SYNC1",0xD3);
 276         self.pokebysym("SYNC0",0x91);
 277
 278     def RF_carrier(self):
 279         """Hold a carrier wave on the present frequency."""
 280
 281         self.CC1110_crystal(); #FIXME, '1110 specific.
 282         self.RF_idle();
 283
 284
 285         RFST=0xDFE1;
 286
 287         self.config_simpliciti();
 288
 289         #Don't change these while the radio is active.
 290         #self.pokebysym("FSCAL3"   , 0xA9)   # Frequency synthesizer calibration.
 291         #self.pokebysym("FSCAL2"   , 0x0A)   # Frequency synthesizer calibration.
 292         #self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 293         #self.pokebysym("FSCAL0"   , 0x11)   # Frequency synthesizer calibration.
 294
 295         #Ramp up the power.
 296         #self.pokebysym("PA_TABLE0", 0xFF)   # PA output power setting.
 297
 298         #This is what drops to OOK.
 299         #Comment to keep GFSK, might be better at jamming.
 300         self.pokebysym("MDMCFG4"  , 0x86)   # Modem configuration.
 301         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 302         self.pokebysym("MDMCFG2"  , 0x30)   # Modem configuration.
 303         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 304         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 305
 306
 307         self.pokebysym("SYNC1",0xAA);
 308         self.pokebysym("SYNC0",0xAA);
 309
 310
 311
 312         #while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
 313         state=0;
 314
 315         while((state!=0x13)):
 316             self.pokebyte(RFST,0x03); #RFST=RFST_STX
 317             time.sleep(0.1);
 318             state=self.peekbysym("MARCSTATE")&0x1F;
 319             #print "state=%02x" % state;
 320         print "Holding a carrier on %f MHz." % (self.RF_getfreq()/10**6);
 321
 322         return;
 323
 324     def RF_getsmac(self):
 325         """Return the source MAC address."""
 326
 327         #Register 0A is RX_ADDR_P0, five bytes.
 328         mac=self.peekbysym("ADDR");
 329         return mac;
 330     def RF_setsmac(self,mac):
 331         """Set the source MAC address."""
 332         self.pokebysym("ADDR",mac);
 333         return 0;
 334     def RF_gettmac(self):
 335         """Return the target MAC address."""
 336         return 0;
 337     def RF_settmac(self,mac):
 338         """Set the target MAC address."""
 339         return 0;
 340     def RF_rxpacket(self):
 341         """Get a packet from the radio.  Returns None if none is waiting."""
 342         self.shellcodefile("rxpacket.ihx");
 343         len=self.peek8(0xFE00,"xdata");
 344         return self.peekblock(0xFE00,len+1,"data");
 345     def RF_txpacket(self,packet):
 346         """Transmit a packet.  Untested."""
 347
 348         self.pokeblock(0xFE00,packet,"data");
 349         self.shellcodefile("txpacket.ihx");
 350         return;
 351     def RF_txrxpacket(self,packet):
 352         """Transmit a packet.  Untested."""
 353
 354         self.pokeblock(0xFE00,packet,"data");
 355         self.shellcodefile("txrxpacket.ihx");
 356         len=self.peek8(0xFE00,"xdata");
 357         return self.peekblock(0xFE00,len+1,"data");
 358
 359     def RF_getrssi(self):
 360         """Returns the received signal strenght, with a weird offset."""
 361         try:
 362             rssireg=self.symbols.get("RSSI");
 363             return self.CCpeekdatabyte(rssireg)^0x80;
 364         except:
 365             if self.verbose>0: print "RSSI reg doesn't exist.";
 366         try:
 367             #RSSI doesn't exist on 2.4GHz devices.  Maybe RSSIL and RSSIH?
 368             rssilreg=self.symbols.get("RSSIL");
 369             rssil=self.CCpeekdatabyte(rssilreg);
 370             rssihreg=self.symbols.get("RSSIL");
 371             rssih=self.CCpeekdatabyte(rssihreg);
 372             return (rssih<<8)|rssil;
 373         except:
 374             if self.verbose>0: print "RSSIL/RSSIH regs don't exist.";
 375
 376         return 0;
 377
 378
 379
 380     def SRF_loadsymbols(self):
 381         ident=self.CCident();
 382         chip=self.CCversions.get(ident&0xFF00);
 383         dom=self.SRF_chipdom(chip,"register_definition.xml");
 384         for e in dom.getElementsByTagName("registerdefinition"):
 385             for f in e.childNodes:
 386                 if f.localName=="Register":
 387                     name="unknownreg";
 388                     address="0xdead";
 389                     description="";
 390                     bitfields="";
 391                     for g in f.childNodes:
 392                         if g.localName=="Name":
 393                             name=g.childNodes[0].nodeValue;
 394                         elif g.localName=="Address":
 395                             address=g.childNodes[0].nodeValue;
 396                         elif g.localName=="Description":
 397                             if g.childNodes:
 398                                 description=g.childNodes[0].nodeValue;
 399                         elif g.localName=="Bitfield":
 400                             bitfields+="%17s/* %-50s */\n" % ("",self.SRF_bitfieldstr(g));
 401                     #print "SFRX(%10s, %s); /* %50s */" % (name,address, description);
 402                     self.symbols.define(eval(address),name,description,"data");
 403     def halt(self):
 404         """Halt the CPU."""
 405         self.CChaltcpu();
 406     def CChaltcpu(self):
 407         """Halt the CPU."""
 408         self.writecmd(self.APP,0x86,0,self.data);
 409     def resume(self):
 410         self.CCreleasecpu();
 411     def CCreleasecpu(self):
 412         """Resume the CPU."""
 413         self.writecmd(self.APP,0x87,0,self.data);
 414     def test(self):
 415         self.CCreleasecpu();
 416         self.CChaltcpu();
 417         #print "Status: %s" % self.CCstatusstr();
 418
 419         #Grab ident three times, should be equal.
 420         ident1=self.CCident();
 421         ident2=self.CCident();
 422         ident3=self.CCident();
 423         if(ident1!=ident2 or ident2!=ident3):
 424             print "Error, repeated ident attempts unequal."
 425             print "%04x, %04x, %04x" % (ident1, ident2, ident3);
 426
 427         #Single step, printing PC.
 428         print "Tracing execution at startup."
 429         for i in range(1,15):
 430             pc=self.CCgetPC();
 431             byte=self.CCpeekcodebyte(i);
 432             #print "PC=%04x, %02x" % (pc, byte);
 433             self.CCstep_instr();
 434
 435         print "Verifying that debugging a NOP doesn't affect the PC."
 436         for i in range(1,15):
 437             pc=self.CCgetPC();
 438             self.CCdebuginstr([0x00]);
 439             if(pc!=self.CCgetPC()):
 440                 print "ERROR: PC changed during CCdebuginstr([NOP])!";
 441
 442         print "Checking pokes to XRAM."
 443         for i in range(0xf000,0xf020):
 444             self.CCpokedatabyte(i,0xde);
 445             if(self.CCpeekdatabyte(i)!=0xde):
 446                 print "Error in XDATA at 0x%04x" % i;
 447
 448         #print "Status: %s." % self.CCstatusstr();
 449         #Exit debugger
 450         self.stop();
 451         print "Done.";
 452
 453     def setup(self):
 454         """Move the FET into the CC2430/CC2530 application."""
 455         #print "Initializing Chipcon.";
 456         self.writecmd(self.APP,0x10,0,self.data);
 457     def CCrd_config(self):
 458         """Read the config register of a Chipcon."""
 459         self.writecmd(self.APP,0x82,0,self.data);
 460         return ord(self.data[0]);
 461     def CCwr_config(self,config):
 462         """Write the config register of a Chipcon."""
 463         self.writecmd(self.APP,0x81,1,[config&0xFF]);
 464     def CClockchip(self):
 465         """Set the flash lock bit in info mem."""
 466         self.writecmd(self.APP, 0x9A, 0, None);
 467     def lock(self):
 468         """Set the flash lock bit in info mem."""
 469         self.CClockchip();
 470
 471
 472     CCversions={0x0100:"cc1110",
 473                 0x1100:"cc1111",
 474                 0x8500:"cc2430",
 475                 0x8900:"cc2431",
 476                 0x8100:"cc2510",
 477                 0x9100:"cc2511",
 478                 0xA500:"cc2530", #page 52 of SWRU191
 479                 0xB500:"cc2531",
 480                 0xFF00:"CCmissing"};
 481     CCpagesizes={0x01: 1024, #"CC1110",
 482                  0x11: 1024, #"CC1111",
 483                  0x85: 2048, #"CC2430",
 484                  0x89: 2048, #"CC2431",
 485                  0x81: 1024, #"CC2510",
 486                  0x91: 1024, #"CC2511",
 487                  0xA5: 2048, #"CC2530", #page 52 of SWRU191
 488                  0xB5: 2048, #"CC2531",
 489                  0xFF: 0    } #"CCmissing"};
 490     def infostring(self):
 491         return self.CCidentstr();
 492     def CCidentstr(self):
 493         ident=self.CCident();
 494         chip=self.CCversions.get(ident&0xFF00);
 495         pagesize=self.CCpagesizes.get(ident>0xFF);
 496         try:
 497             return "%s/r%0.4x/ps0x%0.4x" % (chip, ident, pagesize);
 498         except:
 499             return "%04x" % ident;
 500     def CCident(self):
 501         """Get a chipcon's ID."""
 502         self.writecmd(self.APP,0x8B,0,None);
 503         chip=ord(self.data[0]);
 504         rev=ord(self.data[1]);
 505         return (chip<<8)+rev;
 506     def CCpagesize(self):
 507         """Get a chipcon's ID."""
 508         self.writecmd(self.APP,0x8B,0,None);
 509         chip=ord(self.data[0]);
 510         size=self.CCpagesizes.get(chip);
 511         if(size<10):
 512             print "ERROR: Pagesize undefined.";
 513             print "chip=%0.4x" %chip;
 514             sys.exit(1);
 515             #return 2048;
 516         return size;
 517     def getpc(self):
 518         return self.CCgetPC();
 519     def CCgetPC(self):
 520         """Get a chipcon's PC."""
 521         self.writecmd(self.APP,0x83,0,None);
 522         hi=ord(self.data[0]);
 523         lo=ord(self.data[1]);
 524         return (hi<<8)+lo;
 525     def CCcmd(self,phrase):
 526         self.writecmd(self.APP,0x00,len(phrase),phrase);
 527         val=ord(self.data[0]);
 528         print "Got %02x" % val;
 529         return val;
 530     def CCdebuginstr(self,instr):
 531         self.writecmd(self.APP,0x88,len(instr),instr);
 532         return ord(self.data[0]);
 533     #def peekblock(self,adr,length,memory="vn"):
 534     #    """Return a block of data, broken"""
 535     #    data=[adr&0xff, (adr&0xff00)>>8,
 536     #          length&0xFF,(length&0xFF00)>>8];
 537     #    self.writecmd(self.APP,0x91,4,data);
 538     #    return [ord(x) for x in self.data]
 539     def peek8(self,address, memory="code"):
 540         if(memory=="code" or memory=="flash" or memory=="vn"):
 541             return self.CCpeekcodebyte(address);
 542         elif(memory=="data" or memory=="xdata" or memory=="ram"):
 543             return self.CCpeekdatabyte(address);
 544         elif(memory=="idata" or memory=="iram"):
 545             return self.CCpeekirambyte(address);
 546         print "%s is an unknown memory." % memory;
 547         return 0xdead;
 548     def CCpeekcodebyte(self,adr):
 549         """Read the contents of code memory at an address."""
 550         self.data=[adr&0xff, (adr&0xff00)>>8];
 551         self.writecmd(self.APP,0x90,2,self.data);
 552         return ord(self.data[0]);
 553     def CCpeekdatabyte(self,adr):
 554         """Read the contents of data memory at an address."""
 555         self.data=[adr&0xff, (adr&0xff00)>>8];
 556         self.writecmd(self.APP,0x91, 2, self.data);
 557         return ord(self.data[0]);
 558     def CCpeekirambyte(self,adr):
 559         """Read the contents of IRAM at an address."""
 560         self.data=[adr&0xff];
 561         self.writecmd(self.APP,0x02, 1, self.data);
 562         return ord(self.data[0]);
 563     def CCpeekiramword(self,adr):
 564         """Read the little-endian contents of IRAM at an address."""
 565         return self.CCpeekirambyte(adr)+(
 566             self.CCpeekirambyte(adr+1)<<8);
 567     def CCpokeiramword(self,adr,val):
 568         self.CCpokeirambyte(adr,val&0xff);
 569         self.CCpokeirambyte(adr+1,(val>>8)&0xff);
 570     def CCpokeirambyte(self,adr,val):
 571         """Write the contents of IRAM at an address."""
 572         self.data=[adr&0xff, val&0xff];
 573         self.writecmd(self.APP,0x02, 2, self.data);
 574         return ord(self.data[0]);
 575     def pokebyte(self,adr,val,mem="xdata"):
 576         self.CCpokedatabyte(adr,val);
 577     def CCpokedatabyte(self,adr,val):
 578         """Write a byte to data memory."""
 579         self.data=[adr&0xff, (adr&0xff00)>>8, val];
 580         self.writecmd(self.APP, 0x92, 3, self.data);
 581         return ord(self.data[0]);
 582     def CCchiperase(self):
 583         """Erase all of the target's memory."""
 584         self.writecmd(self.APP,0x80,0,None);
 585     def erase(self):
 586         """Erase all of the target's memory."""
 587         self.CCchiperase();
 588         self.start();
 589
 590     def CCstatus(self):
 591         """Check the status."""
 592         self.writecmd(self.APP,0x84,0,None);
 593         return ord(self.data[0])
 594     #Same as CC2530
 595     CCstatusbits={0x80 : "erase_busy",
 596                   0x40 : "pcon_idle",
 597                   0x20 : "cpu_halted",
 598                   0x10 : "pm0",
 599                   0x08 : "halt_status",
 600                   0x04 : "locked",
 601                   0x02 : "oscstable",
 602                   0x01 : "overflow"
 603                   };
 604     CCconfigbits={0x20 : "soft_power_mode",   #new for CC2530
 605                   0x08 : "timers_off",
 606                   0x04 : "dma_pause",
 607                   0x02 : "timer_suspend",
 608                   0x01 : "sel_flash_info_page" #stricken from CC2530
 609                   };
 610
 611     def status(self):
 612         """Check the status as a string."""
 613         status=self.CCstatus();
 614         str="";
 615         i=1;
 616         while i<0x100:
 617             if(status&i):
 618                 str="%s %s" %(self.CCstatusbits[i],str);
 619             i*=2;
 620         return str;
 621     def start(self):
 622         """Start debugging."""
 623         self.setup();
 624         self.writecmd(self.APP,0x20,0,self.data);
 625         ident=self.CCidentstr();
 626         #print "Target identifies as %s." % ident;
 627         #print "Status: %s." % self.status();
 628         self.CCreleasecpu();
 629         self.CChaltcpu();
 630         #Get SmartRF Studio regs if they exist.
 631         self.loadsymbols();
 632
 633     def stop(self):
 634         """Stop debugging."""
 635         self.writecmd(self.APP,0x21,0,self.data);
 636     def CCstep_instr(self):
 637         """Step one instruction."""
 638         self.writecmd(self.APP,0x89,0,self.data);
 639     def CCeraseflashbuffer(self):
 640         """Erase the 2kB flash buffer"""
 641         self.writecmd(self.APP,0x99);
 642     def CCflashpage(self,adr):
 643         """Flash 2kB a page of flash from 0xF000 in XDATA"""
 644         data=[adr&0xFF,
 645               (adr>>8)&0xFF,
 646               (adr>>16)&0xFF,
 647               (adr>>24)&0xFF];
 648         print "Flashing buffer to 0x%06x" % adr;
 649         self.writecmd(self.APP,0x95,4,data);
 650
 651     def setsecret(self,value):
 652         """Set a secret word for later retreival.  Used by glitcher."""
 653         page = 0x0000;
 654         pagelen = self.CCpagesize(); #Varies by chip.
 655         print "page=%04x, pagelen=%04x" % (page,pagelen);
 656
 657         self.CCeraseflashbuffer();
 658         print "Setting secret to %x" % value;
 659         self.CCpokedatabyte(0xF000,value);
 660         self.CCpokedatabyte(0xF800,value);
 661         print "Setting secret to %x==%x" % (value,
 662                                             self.CCpeekdatabyte(0xf000));
 663         self.CCflashpage(0);
 664         print "code[0]=%x" % self.CCpeekcodebyte(0);
 665     def getsecret(self):
 666         """Get a secret word.  Used by glitcher."""
 667         secret=self.CCpeekcodebyte(0);
 668         #print "Got secret %02x" % secret;
 669         return secret;
 670
 671     def dump(self,file,start=0,stop=0xffff):
 672         """Dump an intel hex file from code memory."""
 673         print "Dumping code from %04x to %04x as %s." % (start,stop,file);
 674         h = IntelHex(None);
 675         i=start;
 676         while i<=stop:
 677             h[i]=self.CCpeekcodebyte(i);
 678             if(i%0x100==0):
 679                 print "Dumped %04x."%i;
 680                 h.write_hex_file(file); #buffer to disk.
 681             i+=1;
 682         h.write_hex_file(file);
 683
 684     def flash(self,file):
 685         """Flash an intel hex file to code memory."""
 686         print "Flashing %s" % file;
 687
 688         h = IntelHex(file);
 689         page = 0x0000;
 690         pagelen = self.CCpagesize(); #Varies by chip.
 691
 692         #print "page=%04x, pagelen=%04x" % (page,pagelen);
 693
 694         bcount = 0;
 695
 696         #Wipe the RAM buffer for the next flash page.
 697         self.CCeraseflashbuffer();
 698         for i in h._buf.keys():
 699             while(i>=page+pagelen):
 700                 if bcount>0:
 701                     self.CCflashpage(page);
 702                     #client.CCeraseflashbuffer();
 703                     bcount=0;
 704                     print "Flashed page at %06x" % page
 705                 page+=pagelen;
 706
 707             #Place byte into buffer.
 708             self.CCpokedatabyte(0xF000+i-page,
 709                                 h[i]);
 710             bcount+=1;
 711             if(i%0x100==0):
 712                 print "Buffering %04x toward %06x" % (i,page);
 713         #last page
 714         self.CCflashpage(page);
 715         print "Flashed final page at %06x" % page;
 716