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
  83         hz=frequency;
  84         freq=int(hz/396.728515625);
  85
  86         freq0=freq&0xFF;
  87         freq1=(freq&0xFF00)>>8;
  88         freq2=(freq&0xFF0000)>>16;
  89
  90         self.pokebysym("FREQ2",freq2);
  91         self.pokebysym("FREQ1",freq1);
  92         self.pokebysym("FREQ0",freq0);
  93
  94
  95     def RF_getfreq(self):
  96         """Get the frequency in Hz."""
  97         #FIXME CC1110 specific
  98
  99         #return (2400+self.peek(0x05))*10**6
 100         #self.poke(0x05,chan);
 101
 102         #freq2=self.CCpeekdatabyte(0xdf09);
 103         #freq1=self.CCpeekdatabyte(0xdf0a);
 104         #freq0=self.CCpeekdatabyte(0xdf0b);
 105         freq=0;
 106         try:
 107             freq2=self.peekbysym("FREQ2");
 108             freq1=self.peekbysym("FREQ1");
 109             freq0=self.peekbysym("FREQ0");
 110             freq=(freq2<<16)+(freq1<<8)+freq0;
 111         except:
 112             freq=0;
 113
 114         hz=freq*396.728515625;
 115
 116         return hz;
 117
 118     def shellcode(self,code,wait=1):
 119         """Copy a block of code into RAM and execute it."""
 120         i=0;
 121         ram=0xF000;
 122         for byte in code:
 123             self.pokebyte(0xF000+i,byte);
 124             i=i+1;
 125         #print "Code loaded, executing."
 126         self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
 127         self.resume();
 128         while wait>0 and (0==self.CCstatus()&0x20):
 129             time.sleep(0.1);
 130             #print "Waiting for shell code to return.";
 131         return;
 132     def CC1110_crystal(self):
 133         """Start the main crystal of the CC1110 oscillating, needed for radio use."""
 134         code=[0x53, 0xBE, 0xFB, #anl SLEEP, #0xFB
 135               #one:
 136               0xE5, 0xBE,       #mov a,SLEEP
 137               0x30, 0xE6, 0xFB, #jnb acc.6, back
 138               0x53, 0xc6, 0xB8, #anl CLKCON, #0xB8
 139               #two
 140               0xE5, 0xC6,       #mov a,CLKCON
 141               0x20, 0xE6, 0xFB, #jb acc.6, two
 142               0x43, 0xBE, 0x04, #orl SLEEP, #0x04
 143               0xA5,             #HALT
 144               ];
 145         self.shellcode(code);
 146         return;
 147     def RF_idle(self):
 148         """Move the radio to its idle state."""
 149         self.CC_RFST_IDLE();
 150         return;
 151
 152     #Chipcon RF strobes.  CC1110 specific
 153     RFST_IDLE=0x04;
 154     RFST_RX=0x02;
 155     RFST_TX=0x03;
 156     RFST_CAL=0x01;
 157     def CC_RFST_IDLE(self):
 158         """Switch the radio to idle mode, clearing overflows and errors."""
 159         self.CC_RFST(self.RFST_IDLE);
 160     def CC_RFST_TX(self):
 161         """Switch the radio to TX mode."""
 162         self.CC_RFST(self.RFST_TX);
 163     def CC_RFST_RX(self):
 164         """Switch the radio to RX mode."""
 165         self.CC_RFST(self.RFST_RX);
 166     def CC_RFST_CAL(self):
 167         """Calibrate strobe the radio."""
 168         self.CC_RFST(self.RFST_CAL);
 169     def CC_RFST(self,state=RFST_IDLE):
 170         RFST=0xDFE1
 171         self.pokebyte(RFST,state); #Return to idle state.
 172         return;
 173
 174     def config_simpliciti(self,band="none"):
 175         self.pokebysym("FSCTRL1"  , 0x08)   # Frequency synthesizer control.
 176         self.pokebysym("FSCTRL0"  , 0x00)   # Frequency synthesizer control.
 177
 178         #Don't change these while the radio is active.
 179         self.pokebysym("FSCAL3"   , 0xEA)   # Frequency synthesizer calibration.
 180         self.pokebysym("FSCAL2"   , 0x2A)   # Frequency synthesizer calibration.
 181         self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 182         self.pokebysym("FSCAL0"   , 0x1F)   # Frequency synthesizer calibration.
 183
 184         if band=="ismeu" or band=="eu":
 185             self.pokebysym("FREQ2"    , 0x21)   # Frequency control word, high byte.
 186             self.pokebysym("FREQ1"    , 0x71)   # Frequency control word, middle byte.
 187             self.pokebysym("FREQ0"    , 0x7a)   # Frequency control word, low byte.
 188         if band=="ismus" or band=="us":
 189             self.pokebysym("FREQ2"    , 0x22)   # Frequency control word, high byte.
 190             self.pokebysym("FREQ1"    , 0xB1)   # Frequency control word, middle byte.
 191             self.pokebysym("FREQ0"    , 0x3B)   # Frequency control word, low byte.
 192         if band=="ismlf" or band=="lf":
 193             self.pokebysym("FREQ2"    , 0x10)   # Frequency control word, high byte.
 194             self.pokebysym("FREQ1"    , 0xB0)   # Frequency control word, middle byte.
 195             self.pokebysym("FREQ0"    , 0x71)   # Frequency control word, low byte.
 196
 197         self.pokebysym("MDMCFG4"  , 0x7B)   # Modem configuration.
 198         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 199         self.pokebysym("MDMCFG2"  , 0x13)   # Modem configuration.
 200         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 201         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 202         self.pokebysym("CHANNR"   , 0x00)   # Channel number.
 203         self.pokebysym("DEVIATN"  , 0x42)   # Modem deviation setting (when FSK modulation is enabled).
 204
 205         self.pokebysym("FREND1"   , 0xB6)   # Front end RX configuration.
 206         self.pokebysym("FREND0"   , 0x10)   # Front end RX configuration.
 207         self.pokebysym("MCSM0"    , 0x18)   # Main Radio Control State Machine configuration.
 208         self.pokebysym("FOCCFG"   , 0x1D)   # Frequency Offset Compensation Configuration.
 209         self.pokebysym("BSCFG"    , 0x1C)   # Bit synchronization Configuration.
 210
 211         self.pokebysym("AGCCTRL2" , 0xC7)   # AGC control.
 212         self.pokebysym("AGCCTRL1" , 0x00)   # AGC control.
 213         self.pokebysym("AGCCTRL0" , 0xB2)   # AGC control.
 214
 215         self.pokebysym("TEST2"    , 0x81)   # Various test settings.
 216         self.pokebysym("TEST1"    , 0x35)   # Various test settings.
 217         self.pokebysym("TEST0"    , 0x09)   # Various test settings.
 218         #self.pokebysym("PA_TABLE0", 0xC0)   # PA output power setting.
 219         self.pokebysym("PKTCTRL1" , 0x04)   # Packet automation control.
 220         self.pokebysym("PKTCTRL0" , 0x05)   # Packet automation control.
 221         self.pokebysym("ADDR"     , 0x00)   # Device address.
 222         self.pokebysym("PKTLEN"   , 0xFF)   # Packet length.
 223
 224         self.pokebysym("SYNC1",0xAA);
 225         self.pokebysym("SYNC0",0xAA);
 226
 227     def RF_carrier(self):
 228         """Hold a carrier wave on the present frequency."""
 229
 230         self.CC1110_crystal(); #FIXME, '1110 specific.
 231         self.RF_idle();
 232
 233         #self.resume();
 234         #time.sleep(1);
 235         #self.halt();
 236
 237         RFST=0xDFE1;
 238
 239
 240         self.pokebysym("FSCTRL1"  , 0x0a)   # Frequency synthesizer control.
 241         self.pokebysym("FSCTRL0"  , 0x00)   # Frequency synthesizer control.
 242
 243         #Don't change these while the radio is active.
 244         self.pokebysym("FSCAL3"   , 0xA9)   # Frequency synthesizer calibration.
 245         self.pokebysym("FSCAL2"   , 0x0A)   # Frequency synthesizer calibration.
 246         self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 247         self.pokebysym("FSCAL0"   , 0x11)   # Frequency synthesizer calibration.
 248
 249
 250         #self.pokebysym("FREQ2"    , 0x10)   # Frequency control word, high byte.
 251         #self.pokebysym("FREQ1"    , 0xEC)   # Frequency control word, middle byte.
 252         #self.pokebysym("FREQ0"    , 0x4E)   # Frequency control word, low byte.
 253         self.pokebysym("MDMCFG4"  , 0x86)   # Modem configuration.
 254         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 255         self.pokebysym("MDMCFG2"  , 0x30)   # Modem configuration.
 256         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 257         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 258         self.pokebysym("CHANNR"   , 0x00)   # Channel number.
 259         self.pokebysym("DEVIATN"  , 0x00)   # Modem deviation setting (when FSK modulation is enabled).
 260         self.pokebysym("FREND1"   , 0x56)   # Front end RX configuration.
 261
 262         self.pokebysym("FREND0"   , 0x10)   # Front end RX configuration.
 263         self.pokebysym("MCSM0"    , 0x14)   # Main Radio Control State Machine configuration.
 264         self.pokebysym("FOCCFG"   , 0x16)   # Frequency Offset Compensation Configuration.
 265         self.pokebysym("BSCFG"    , 0x6C)   # Bit synchronization Configuration.
 266
 267         self.pokebysym("AGCCTRL2" , 0x03)   # AGC control.
 268         self.pokebysym("AGCCTRL1" , 0x40)   # AGC control.
 269         self.pokebysym("AGCCTRL0" , 0x91)   # AGC control.
 270
 271         self.pokebysym("TEST2"    , 0x88)   # Various test settings.
 272         self.pokebysym("TEST1"    , 0x31)   # Various test settings.
 273         self.pokebysym("TEST0"    , 0x09)   # Various test settings.
 274         self.pokebysym("PA_TABLE0", 0xC0)   # PA output power setting.
 275         self.pokebysym("PKTCTRL1" , 0x04)   # Packet automation control.
 276         self.pokebysym("PKTCTRL0" , 0x22)   # Packet automation control.
 277         self.pokebysym("ADDR"     , 0x00)   # Device address.
 278         self.pokebysym("PKTLEN"   , 0xFF)   # Packet length.
 279
 280         self.pokebysym("SYNC1",0xAA);
 281         self.pokebysym("SYNC0",0xAA);
 282
 283
 284
 285         #while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
 286         state=0;
 287
 288         while((state!=0x13)):
 289             self.pokebyte(RFST,0x03); #RFST=RFST_STX
 290             time.sleep(0.1);
 291             state=self.peekbysym("MARCSTATE")&0x1F;
 292             #print "state=%02x" % state;
 293         print "Holding a carrier on %f MHz." % (self.RF_getfreq()/10**6);
 294
 295         #Not needed, radio works when CPU is halted.
 296         #self.resume();
 297
 298         return;
 299
 300     def RF_getsmac(self):
 301         """Return the source MAC address."""
 302
 303         #Register 0A is RX_ADDR_P0, five bytes.
 304         mac=self.peekbysym("ADDR");
 305         return mac;
 306     def RF_setsmac(self,mac):
 307         """Set the source MAC address."""
 308         self.pokebysym("ADDR",mac);
 309         return 0;
 310     def RF_gettmac(self):
 311         """Return the target MAC address."""
 312         return 0;
 313     def RF_settmac(self,mac):
 314         """Set the target MAC address."""
 315         return 0;
 316     def RF_rxpacket(self):
 317         """Get a packet from the radio.  Returns None if none is waiting."""
 318         RFST=0xDFE1
 319         self.pokebyte(RFST,0x01); #SCAL
 320         self.pokebyte(RFST,0x02); #SRX
 321
 322         print "Packet reception isn't working yet.  Returning [RSSI].";
 323         time.sleep(0.1);
 324         return [chr(self.RF_getrssi())];
 325     def RF_txpacket(self,payload):
 326         """Transmit a packet.  Untested."""
 327
 328         print "FIXME, Chipcon packet transmission is not yet implemented.";
 329         return;
 330
 331     def RF_getrssi(self):
 332         """Returns the received signal strenght, with a weird offset."""
 333         try:
 334             rssireg=self.symbols.get("RSSI");
 335             return self.CCpeekdatabyte(rssireg)^0x80;
 336         except:
 337             if self.verbose>0: print "RSSI reg doesn't exist.";
 338         try:
 339             #RSSI doesn't exist on 2.4GHz devices.  Maybe RSSIL and RSSIH?
 340             rssilreg=self.symbols.get("RSSIL");
 341             rssil=self.CCpeekdatabyte(rssilreg);
 342             rssihreg=self.symbols.get("RSSIL");
 343             rssih=self.CCpeekdatabyte(rssihreg);
 344             return (rssih<<8)|rssil;
 345         except:
 346             if self.verbose>0: print "RSSIL/RSSIH regs don't exist.";
 347
 348         return 0;
 349
 350
 351
 352     def SRF_loadsymbols(self):
 353         ident=self.CCident();
 354         chip=self.CCversions.get(ident&0xFF00);
 355         dom=self.SRF_chipdom(chip,"register_definition.xml");
 356         for e in dom.getElementsByTagName("registerdefinition"):
 357             for f in e.childNodes:
 358                 if f.localName=="Register":
 359                     name="unknownreg";
 360                     address="0xdead";
 361                     description="";
 362                     bitfields="";
 363                     for g in f.childNodes:
 364                         if g.localName=="Name":
 365                             name=g.childNodes[0].nodeValue;
 366                         elif g.localName=="Address":
 367                             address=g.childNodes[0].nodeValue;
 368                         elif g.localName=="Description":
 369                             if g.childNodes:
 370                                 description=g.childNodes[0].nodeValue;
 371                         elif g.localName=="Bitfield":
 372                             bitfields+="%17s/* %-50s */\n" % ("",self.SRF_bitfieldstr(g));
 373                     #print "SFRX(%10s, %s); /* %50s */" % (name,address, description);
 374                     self.symbols.define(eval(address),name,description,"data");
 375     def halt(self):
 376         """Halt the CPU."""
 377         self.CChaltcpu();
 378     def CChaltcpu(self):
 379         """Halt the CPU."""
 380         self.writecmd(self.APP,0x86,0,self.data);
 381     def resume(self):
 382         self.CCreleasecpu();
 383     def CCreleasecpu(self):
 384         """Resume the CPU."""
 385         self.writecmd(self.APP,0x87,0,self.data);
 386     def test(self):
 387         self.CCreleasecpu();
 388         self.CChaltcpu();
 389         #print "Status: %s" % self.CCstatusstr();
 390
 391         #Grab ident three times, should be equal.
 392         ident1=self.CCident();
 393         ident2=self.CCident();
 394         ident3=self.CCident();
 395         if(ident1!=ident2 or ident2!=ident3):
 396             print "Error, repeated ident attempts unequal."
 397             print "%04x, %04x, %04x" % (ident1, ident2, ident3);
 398
 399         #Single step, printing PC.
 400         print "Tracing execution at startup."
 401         for i in range(1,15):
 402             pc=self.CCgetPC();
 403             byte=self.CCpeekcodebyte(i);
 404             #print "PC=%04x, %02x" % (pc, byte);
 405             self.CCstep_instr();
 406
 407         print "Verifying that debugging a NOP doesn't affect the PC."
 408         for i in range(1,15):
 409             pc=self.CCgetPC();
 410             self.CCdebuginstr([0x00]);
 411             if(pc!=self.CCgetPC()):
 412                 print "ERROR: PC changed during CCdebuginstr([NOP])!";
 413
 414         print "Checking pokes to XRAM."
 415         for i in range(0xf000,0xf020):
 416             self.CCpokedatabyte(i,0xde);
 417             if(self.CCpeekdatabyte(i)!=0xde):
 418                 print "Error in XDATA at 0x%04x" % i;
 419
 420         #print "Status: %s." % self.CCstatusstr();
 421         #Exit debugger
 422         self.stop();
 423         print "Done.";
 424
 425     def setup(self):
 426         """Move the FET into the CC2430/CC2530 application."""
 427         #print "Initializing Chipcon.";
 428         self.writecmd(self.APP,0x10,0,self.data);
 429     def CCrd_config(self):
 430         """Read the config register of a Chipcon."""
 431         self.writecmd(self.APP,0x82,0,self.data);
 432         return ord(self.data[0]);
 433     def CCwr_config(self,config):
 434         """Write the config register of a Chipcon."""
 435         self.writecmd(self.APP,0x81,1,[config&0xFF]);
 436     def CClockchip(self):
 437         """Set the flash lock bit in info mem."""
 438         self.writecmd(self.APP, 0x9A, 0, None);
 439     def lock(self):
 440         """Set the flash lock bit in info mem."""
 441         self.CClockchip();
 442
 443
 444     CCversions={0x0100:"cc1110",
 445                 0x1100:"cc1111",
 446                 0x8500:"cc2430",
 447                 0x8900:"cc2431",
 448                 0x8100:"cc2510",
 449                 0x9100:"cc2511",
 450                 0xA500:"cc2530", #page 52 of SWRU191
 451                 0xB500:"cc2531",
 452                 0xFF00:"CCmissing"};
 453     CCpagesizes={0x01: 1024, #"CC1110",
 454                  0x11: 1024, #"CC1111",
 455                  0x85: 2048, #"CC2430",
 456                  0x89: 2048, #"CC2431",
 457                  0x81: 1024, #"CC2510",
 458                  0x91: 1024, #"CC2511",
 459                  0xA5: 2048, #"CC2530", #page 52 of SWRU191
 460                  0xB5: 2048, #"CC2531",
 461                  0xFF: 0    } #"CCmissing"};
 462     def infostring(self):
 463         return self.CCidentstr();
 464     def CCidentstr(self):
 465         ident=self.CCident();
 466         chip=self.CCversions.get(ident&0xFF00);
 467         pagesize=self.CCpagesizes.get(ident>0xFF);
 468         try:
 469             return "%s/r%0.4x/ps0x%0.4x" % (chip, ident, pagesize);
 470         except:
 471             return "%04x" % ident;
 472     def CCident(self):
 473         """Get a chipcon's ID."""
 474         self.writecmd(self.APP,0x8B,0,None);
 475         chip=ord(self.data[0]);
 476         rev=ord(self.data[1]);
 477         return (chip<<8)+rev;
 478     def CCpagesize(self):
 479         """Get a chipcon's ID."""
 480         self.writecmd(self.APP,0x8B,0,None);
 481         chip=ord(self.data[0]);
 482         size=self.CCpagesizes.get(chip);
 483         if(size<10):
 484             print "ERROR: Pagesize undefined.";
 485             print "chip=%0.4x" %chip;
 486             sys.exit(1);
 487             #return 2048;
 488         return size;
 489     def getpc(self):
 490         return self.CCgetPC();
 491     def CCgetPC(self):
 492         """Get a chipcon's PC."""
 493         self.writecmd(self.APP,0x83,0,None);
 494         hi=ord(self.data[0]);
 495         lo=ord(self.data[1]);
 496         return (hi<<8)+lo;
 497     def CCcmd(self,phrase):
 498         self.writecmd(self.APP,0x00,len(phrase),phrase);
 499         val=ord(self.data[0]);
 500         print "Got %02x" % val;
 501         return val;
 502     def CCdebuginstr(self,instr):
 503         self.writecmd(self.APP,0x88,len(instr),instr);
 504         return ord(self.data[0]);
 505     def peekblock(self,adr,length,memory="vn"):
 506         """Return a block of data."""
 507         data=[adr&0xff, (adr&0xff00)>>8,
 508               length&0xFF,(length&0xFF00)>>8];
 509         self.writecmd(self.APP,0x91,4,data);
 510         return [ord(x) for x in self.data]
 511     def peek8(self,address, memory="code"):
 512         if(memory=="code" or memory=="flash" or memory=="vn"):
 513             return self.CCpeekcodebyte(address);
 514         elif(memory=="data" or memory=="xdata" or memory=="ram"):
 515             return self.CCpeekdatabyte(address);
 516         elif(memory=="idata" or memory=="iram"):
 517             return self.CCpeekirambyte(address);
 518         print "%s is an unknown memory." % memory;
 519         return 0xdead;
 520     def CCpeekcodebyte(self,adr):
 521         """Read the contents of code memory at an address."""
 522         self.data=[adr&0xff, (adr&0xff00)>>8];
 523         self.writecmd(self.APP,0x90,2,self.data);
 524         return ord(self.data[0]);
 525     def CCpeekdatabyte(self,adr):
 526         """Read the contents of data memory at an address."""
 527         self.data=[adr&0xff, (adr&0xff00)>>8];
 528         self.writecmd(self.APP,0x91, 2, self.data);
 529         return ord(self.data[0]);
 530     def CCpeekirambyte(self,adr):
 531         """Read the contents of IRAM at an address."""
 532         self.data=[adr&0xff];
 533         self.writecmd(self.APP,0x02, 1, self.data);
 534         return ord(self.data[0]);
 535     def CCpeekiramword(self,adr):
 536         """Read the little-endian contents of IRAM at an address."""
 537         return self.CCpeekirambyte(adr)+(
 538             self.CCpeekirambyte(adr+1)<<8);
 539     def CCpokeiramword(self,adr,val):
 540         self.CCpokeirambyte(adr,val&0xff);
 541         self.CCpokeirambyte(adr+1,(val>>8)&0xff);
 542     def CCpokeirambyte(self,adr,val):
 543         """Write the contents of IRAM at an address."""
 544         self.data=[adr&0xff, val&0xff];
 545         self.writecmd(self.APP,0x02, 2, self.data);
 546         return ord(self.data[0]);
 547     def pokebyte(self,adr,val,mem="data"):
 548         if mem!="data":
 549             print "FIXME: poking of non data bytes not yet supported.";
 550         self.CCpokedatabyte(adr,val);
 551     def CCpokedatabyte(self,adr,val):
 552         """Write a byte to data memory."""
 553         self.data=[adr&0xff, (adr&0xff00)>>8, val];
 554         self.writecmd(self.APP, 0x92, 3, self.data);
 555         return ord(self.data[0]);
 556     def CCchiperase(self):
 557         """Erase all of the target's memory."""
 558         self.writecmd(self.APP,0x80,0,None);
 559     def erase(self):
 560         """Erase all of the target's memory."""
 561         self.CCchiperase();
 562         self.start();
 563
 564     def CCstatus(self):
 565         """Check the status."""
 566         self.writecmd(self.APP,0x84,0,None);
 567         return ord(self.data[0])
 568     #Same as CC2530
 569     CCstatusbits={0x80 : "erase_busy",
 570                   0x40 : "pcon_idle",
 571                   0x20 : "cpu_halted",
 572                   0x10 : "pm0",
 573                   0x08 : "halt_status",
 574                   0x04 : "locked",
 575                   0x02 : "oscstable",
 576                   0x01 : "overflow"
 577                   };
 578     CCconfigbits={0x20 : "soft_power_mode",   #new for CC2530
 579                   0x08 : "timers_off",
 580                   0x04 : "dma_pause",
 581                   0x02 : "timer_suspend",
 582                   0x01 : "sel_flash_info_page" #stricken from CC2530
 583                   };
 584
 585     def status(self):
 586         """Check the status as a string."""
 587         status=self.CCstatus();
 588         str="";
 589         i=1;
 590         while i<0x100:
 591             if(status&i):
 592                 str="%s %s" %(self.CCstatusbits[i],str);
 593             i*=2;
 594         return str;
 595     def start(self):
 596         """Start debugging."""
 597         self.setup();
 598         self.writecmd(self.APP,0x20,0,self.data);
 599         ident=self.CCidentstr();
 600         #print "Target identifies as %s." % ident;
 601         #print "Status: %s." % self.status();
 602         self.CCreleasecpu();
 603         self.CChaltcpu();
 604         #Get SmartRF Studio regs if they exist.
 605         self.loadsymbols();
 606
 607     def stop(self):
 608         """Stop debugging."""
 609         self.writecmd(self.APP,0x21,0,self.data);
 610     def CCstep_instr(self):
 611         """Step one instruction."""
 612         self.writecmd(self.APP,0x89,0,self.data);
 613     def CCeraseflashbuffer(self):
 614         """Erase the 2kB flash buffer"""
 615         self.writecmd(self.APP,0x99);
 616     def CCflashpage(self,adr):
 617         """Flash 2kB a page of flash from 0xF000 in XDATA"""
 618         data=[adr&0xFF,
 619               (adr>>8)&0xFF,
 620               (adr>>16)&0xFF,
 621               (adr>>24)&0xFF];
 622         print "Flashing buffer to 0x%06x" % adr;
 623         self.writecmd(self.APP,0x95,4,data);
 624
 625     def setsecret(self,value):
 626         """Set a secret word for later retreival.  Used by glitcher."""
 627         page = 0x0000;
 628         pagelen = self.CCpagesize(); #Varies by chip.
 629         print "page=%04x, pagelen=%04x" % (page,pagelen);
 630
 631         self.CCeraseflashbuffer();
 632         print "Setting secret to %x" % value;
 633         self.CCpokedatabyte(0xF000,value);
 634         self.CCpokedatabyte(0xF800,value);
 635         print "Setting secret to %x==%x" % (value,
 636                                             self.CCpeekdatabyte(0xf000));
 637         self.CCflashpage(0);
 638         print "code[0]=%x" % self.CCpeekcodebyte(0);
 639     def getsecret(self):
 640         """Get a secret word.  Used by glitcher."""
 641         secret=self.CCpeekcodebyte(0);
 642         #print "Got secret %02x" % secret;
 643         return secret;
 644
 645     def dump(self,file,start=0,stop=0xffff):
 646         """Dump an intel hex file from code memory."""
 647         print "Dumping code from %04x to %04x as %s." % (start,stop,file);
 648         h = IntelHex(None);
 649         i=start;
 650         while i<=stop:
 651             h[i]=self.CCpeekcodebyte(i);
 652             if(i%0x100==0):
 653                 print "Dumped %04x."%i;
 654                 h.write_hex_file(file); #buffer to disk.
 655             i+=1;
 656         h.write_hex_file(file);
 657
 658     def flash(self,file):
 659         """Flash an intel hex file to code memory."""
 660         print "Flashing %s" % file;
 661
 662         h = IntelHex(file);
 663         page = 0x0000;
 664         pagelen = self.CCpagesize(); #Varies by chip.
 665
 666         #print "page=%04x, pagelen=%04x" % (page,pagelen);
 667
 668         bcount = 0;
 669
 670         #Wipe the RAM buffer for the next flash page.
 671         self.CCeraseflashbuffer();
 672         for i in h._buf.keys():
 673             while(i>=page+pagelen):
 674                 if bcount>0:
 675                     self.CCflashpage(page);
 676                     #client.CCeraseflashbuffer();
 677                     bcount=0;
 678                     print "Flashed page at %06x" % page
 679                 page+=pagelen;
 680
 681             #Place byte into buffer.
 682             self.CCpokedatabyte(0xF000+i-page,
 683                                 h[i]);
 684             bcount+=1;
 685             if(i%0x100==0):
 686                 print "Buffering %04x toward %06x" % (i,page);
 687         #last page
 688         self.CCflashpage(page);
 689         print "Flashed final page at %06x" % page;
 690