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     def shellcodefile(self,filename,wait=1):
 118         """Run a fragment of shellcode by name."""
 119         #FIXME: should identify chip model number, use shellcode for that chip.
 120         file=__file__;
 121         file=file.replace("GoodFETCC.pyc","GoodFETCC.py");
 122         path=file.replace("client/GoodFETCC.py","shellcode/chipcon/cc1110/");
 123         #print "File\t%s" % file;
 124         #print "Path\t%s" % path;
 125         filename=path+filename;
 126         #print "Loading shelcode from %s" % filename;
 127
 128         #Load the shellcode.
 129         h=IntelHex(filename);
 130         for i in h._buf.keys():
 131             self.CCpokedatabyte(i,h[i]);
 132
 133         #Execute it.
 134         self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
 135         self.resume();
 136         while wait>0 and (0==self.CCstatus()&0x20):
 137             time.sleep(0.1);
 138             #print "Waiting for shell code to return.";
 139         return;
 140     def shellcode(self,code,wait=1):
 141         """Copy a block of code into RAM and execute it."""
 142         i=0;
 143         ram=0xF000;
 144         for byte in code:
 145             self.pokebyte(0xF000+i,byte);
 146             i=i+1;
 147         #print "Code loaded, executing."
 148         self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
 149         self.resume();
 150         while wait>0 and (0==self.CCstatus()&0x20):
 151             time.sleep(0.1);
 152             #print "Waiting for shell code to return.";
 153         return;
 154     def CC1110_crystal(self):
 155         """Start the main crystal of the CC1110 oscillating, needed for radio use."""
 156         code=[0x53, 0xBE, 0xFB, #anl SLEEP, #0xFB
 157               #one:
 158               0xE5, 0xBE,       #mov a,SLEEP
 159               0x30, 0xE6, 0xFB, #jnb acc.6, back
 160               0x53, 0xc6, 0xB8, #anl CLKCON, #0xB8
 161               #two
 162               0xE5, 0xC6,       #mov a,CLKCON
 163               0x20, 0xE6, 0xFB, #jb acc.6, two
 164               0x43, 0xBE, 0x04, #orl SLEEP, #0x04
 165               0xA5,             #HALT
 166               ];
 167         self.shellcode(code);
 168
 169         #Slower to load, but produced from C.
 170         #self.shellcodefile("crystal.ihx");
 171         return;
 172     def RF_idle(self):
 173         """Move the radio to its idle state."""
 174         self.CC_RFST_IDLE();
 175         return;
 176
 177     #Chipcon RF strobes.  CC1110 specific
 178     RFST_IDLE=0x04;
 179     RFST_RX=0x02;
 180     RFST_TX=0x03;
 181     RFST_CAL=0x01;
 182     def CC_RFST_IDLE(self):
 183         """Switch the radio to idle mode, clearing overflows and errors."""
 184         self.CC_RFST(self.RFST_IDLE);
 185     def CC_RFST_TX(self):
 186         """Switch the radio to TX mode."""
 187         self.CC_RFST(self.RFST_TX);
 188     def CC_RFST_RX(self):
 189         """Switch the radio to RX mode."""
 190         self.CC_RFST(self.RFST_RX);
 191     def CC_RFST_CAL(self):
 192         """Calibrate strobe the radio."""
 193         self.CC_RFST(self.RFST_CAL);
 194     def CC_RFST(self,state=RFST_IDLE):
 195         RFST=0xDFE1
 196         self.pokebyte(RFST,state); #Return to idle state.
 197         return;
 198
 199     def config_simpliciti(self,band="none"):
 200         self.pokebysym("FSCTRL1"  , 0x08)   # Frequency synthesizer control.
 201         self.pokebysym("FSCTRL0"  , 0x00)   # Frequency synthesizer control.
 202
 203         #Don't change these while the radio is active.
 204         self.pokebysym("FSCAL3"   , 0xEA)   # Frequency synthesizer calibration.
 205         self.pokebysym("FSCAL2"   , 0x2A)   # Frequency synthesizer calibration.
 206         self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 207         self.pokebysym("FSCAL0"   , 0x1F)   # Frequency synthesizer calibration.
 208
 209         if band=="ismeu" or band=="eu":
 210             self.pokebysym("FREQ2"    , 0x21)   # Frequency control word, high byte.
 211             self.pokebysym("FREQ1"    , 0x71)   # Frequency control word, middle byte.
 212             self.pokebysym("FREQ0"    , 0x7a)   # Frequency control word, low byte.
 213         if band=="ismus" or band=="us":
 214             self.pokebysym("FREQ2"    , 0x22)   # Frequency control word, high byte.
 215             self.pokebysym("FREQ1"    , 0xB1)   # Frequency control word, middle byte.
 216             self.pokebysym("FREQ0"    , 0x3B)   # Frequency control word, low byte.
 217         if band=="ismlf" or band=="lf":
 218             self.pokebysym("FREQ2"    , 0x10)   # Frequency control word, high byte.
 219             self.pokebysym("FREQ1"    , 0xB0)   # Frequency control word, middle byte.
 220             self.pokebysym("FREQ0"    , 0x71)   # Frequency control word, low byte.
 221
 222         self.pokebysym("MDMCFG4"  , 0x7B)   # Modem configuration.
 223         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 224         self.pokebysym("MDMCFG2"  , 0x13)   # Modem configuration.
 225         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 226         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 227         if band=="ismus" or band=="us":
 228             self.pokebysym("CHANNR"   , 20)   # Channel number.
 229         else:
 230             self.pokebysym("CHANNR"   , 0x00)   # Channel number.
 231         self.pokebysym("DEVIATN"  , 0x42)   # Modem deviation setting (when FSK modulation is enabled).
 232
 233         self.pokebysym("FREND1"   , 0xB6)   # Front end RX configuration.
 234         self.pokebysym("FREND0"   , 0x10)   # Front end RX configuration.
 235         self.pokebysym("MCSM0"    , 0x18)   # Main Radio Control State Machine configuration.
 236         self.pokebysym("FOCCFG"   , 0x1D)   # Frequency Offset Compensation Configuration.
 237         self.pokebysym("BSCFG"    , 0x1C)   # Bit synchronization Configuration.
 238
 239         self.pokebysym("AGCCTRL2" , 0xC7)   # AGC control.
 240         self.pokebysym("AGCCTRL1" , 0x00)   # AGC control.
 241         self.pokebysym("AGCCTRL0" , 0xB2)   # AGC control.
 242
 243         self.pokebysym("TEST2"    , 0x81)   # Various test settings.
 244         self.pokebysym("TEST1"    , 0x35)   # Various test settings.
 245         self.pokebysym("TEST0"    , 0x09)   # Various test settings.
 246         #self.pokebysym("PA_TABLE0", 0xC0)   # PA output power setting.
 247         self.pokebysym("PKTCTRL1" , 0x04)   # Packet automation control.
 248         self.pokebysym("PKTCTRL0" , 0x05)   # Packet automation control, w/ checksum.
 249         #self.pokebysym("PKTCTRL0" , 0x01)   # Packet automation control, w/o checksum.
 250         self.pokebysym("ADDR"     , 0x00)   # Device address.
 251         self.pokebysym("PKTLEN"   , 0xFF)   # Packet length.
 252
 253         self.pokebysym("SYNC1",0xD3);
 254         self.pokebysym("SYNC0",0x91);
 255
 256     def RF_carrier(self):
 257         """Hold a carrier wave on the present frequency."""
 258
 259         self.CC1110_crystal(); #FIXME, '1110 specific.
 260         self.RF_idle();
 261
 262         #self.resume();
 263         #time.sleep(1);
 264         #self.halt();
 265
 266         RFST=0xDFE1;
 267
 268
 269         self.pokebysym("FSCTRL1"  , 0x0a)   # Frequency synthesizer control.
 270         self.pokebysym("FSCTRL0"  , 0x00)   # Frequency synthesizer control.
 271
 272         #Don't change these while the radio is active.
 273         self.pokebysym("FSCAL3"   , 0xA9)   # Frequency synthesizer calibration.
 274         self.pokebysym("FSCAL2"   , 0x0A)   # Frequency synthesizer calibration.
 275         self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 276         self.pokebysym("FSCAL0"   , 0x11)   # Frequency synthesizer calibration.
 277
 278
 279         #self.pokebysym("FREQ2"    , 0x10)   # Frequency control word, high byte.
 280         #self.pokebysym("FREQ1"    , 0xEC)   # Frequency control word, middle byte.
 281         #self.pokebysym("FREQ0"    , 0x4E)   # Frequency control word, low byte.
 282         self.pokebysym("MDMCFG4"  , 0x86)   # Modem configuration.
 283         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 284         self.pokebysym("MDMCFG2"  , 0x30)   # Modem configuration.
 285         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 286         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 287         self.pokebysym("CHANNR"   , 0x00)   # Channel number.
 288         self.pokebysym("DEVIATN"  , 0x00)   # Modem deviation setting (when FSK modulation is enabled).
 289         self.pokebysym("FREND1"   , 0x56)   # Front end RX configuration.
 290
 291         self.pokebysym("FREND0"   , 0x10)   # Front end RX configuration.
 292         self.pokebysym("MCSM0"    , 0x14)   # Main Radio Control State Machine configuration.
 293         self.pokebysym("FOCCFG"   , 0x16)   # Frequency Offset Compensation Configuration.
 294         self.pokebysym("BSCFG"    , 0x6C)   # Bit synchronization Configuration.
 295
 296         self.pokebysym("AGCCTRL2" , 0x03)   # AGC control.
 297         self.pokebysym("AGCCTRL1" , 0x40)   # AGC control.
 298         self.pokebysym("AGCCTRL0" , 0x91)   # AGC control.
 299
 300         self.pokebysym("TEST2"    , 0x88)   # Various test settings.
 301         self.pokebysym("TEST1"    , 0x31)   # Various test settings.
 302         self.pokebysym("TEST0"    , 0x09)   # Various test settings.
 303         self.pokebysym("PA_TABLE0", 0xC0)   # PA output power setting.
 304         self.pokebysym("PKTCTRL1" , 0x04)   # Packet automation control.
 305         self.pokebysym("PKTCTRL0" , 0x22)   # Packet automation control.
 306         self.pokebysym("ADDR"     , 0x00)   # Device address.
 307         self.pokebysym("PKTLEN"   , 0xFF)   # Packet length.
 308
 309         self.pokebysym("SYNC1",0xAA);
 310         self.pokebysym("SYNC0",0xAA);
 311
 312
 313
 314         #while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
 315         state=0;
 316
 317         while((state!=0x13)):
 318             self.pokebyte(RFST,0x03); #RFST=RFST_STX
 319             time.sleep(0.1);
 320             state=self.peekbysym("MARCSTATE")&0x1F;
 321             #print "state=%02x" % state;
 322         print "Holding a carrier on %f MHz." % (self.RF_getfreq()/10**6);
 323
 324         #Not needed, radio works when CPU is halted.
 325         #self.resume();
 326
 327         return;
 328
 329     def RF_getsmac(self):
 330         """Return the source MAC address."""
 331
 332         #Register 0A is RX_ADDR_P0, five bytes.
 333         mac=self.peekbysym("ADDR");
 334         return mac;
 335     def RF_setsmac(self,mac):
 336         """Set the source MAC address."""
 337         self.pokebysym("ADDR",mac);
 338         return 0;
 339     def RF_gettmac(self):
 340         """Return the target MAC address."""
 341         return 0;
 342     def RF_settmac(self,mac):
 343         """Set the target MAC address."""
 344         return 0;
 345     def RF_rxpacket(self):
 346         """Get a packet from the radio.  Returns None if none is waiting."""
 347         #RFST=0xDFE1
 348         #self.pokebyte(RFST,0x01); #SCAL
 349         #self.pokebyte(RFST,0x02); #SRX
 350
 351         self.shellcodefile("rxpacket.ihx");
 352         #time.sleep(1);
 353         self.halt();
 354         len=self.peek8(0xFE00,"xdata");
 355         #print "Grabbing %i bytes." %len;
 356         return self.peekblock(0xFE00,len,"data");
 357     def RF_txpacket(self,payload):
 358         """Transmit a packet.  Untested."""
 359
 360         print "FIXME, Chipcon packet transmission is not yet implemented.";
 361         return;
 362
 363     def RF_getrssi(self):
 364         """Returns the received signal strenght, with a weird offset."""
 365         try:
 366             rssireg=self.symbols.get("RSSI");
 367             return self.CCpeekdatabyte(rssireg)^0x80;
 368         except:
 369             if self.verbose>0: print "RSSI reg doesn't exist.";
 370         try:
 371             #RSSI doesn't exist on 2.4GHz devices.  Maybe RSSIL and RSSIH?
 372             rssilreg=self.symbols.get("RSSIL");
 373             rssil=self.CCpeekdatabyte(rssilreg);
 374             rssihreg=self.symbols.get("RSSIL");
 375             rssih=self.CCpeekdatabyte(rssihreg);
 376             return (rssih<<8)|rssil;
 377         except:
 378             if self.verbose>0: print "RSSIL/RSSIH regs don't exist.";
 379
 380         return 0;
 381
 382
 383
 384     def SRF_loadsymbols(self):
 385         ident=self.CCident();
 386         chip=self.CCversions.get(ident&0xFF00);
 387         dom=self.SRF_chipdom(chip,"register_definition.xml");
 388         for e in dom.getElementsByTagName("registerdefinition"):
 389             for f in e.childNodes:
 390                 if f.localName=="Register":
 391                     name="unknownreg";
 392                     address="0xdead";
 393                     description="";
 394                     bitfields="";
 395                     for g in f.childNodes:
 396                         if g.localName=="Name":
 397                             name=g.childNodes[0].nodeValue;
 398                         elif g.localName=="Address":
 399                             address=g.childNodes[0].nodeValue;
 400                         elif g.localName=="Description":
 401                             if g.childNodes:
 402                                 description=g.childNodes[0].nodeValue;
 403                         elif g.localName=="Bitfield":
 404                             bitfields+="%17s/* %-50s */\n" % ("",self.SRF_bitfieldstr(g));
 405                     #print "SFRX(%10s, %s); /* %50s */" % (name,address, description);
 406                     self.symbols.define(eval(address),name,description,"data");
 407     def halt(self):
 408         """Halt the CPU."""
 409         self.CChaltcpu();
 410     def CChaltcpu(self):
 411         """Halt the CPU."""
 412         self.writecmd(self.APP,0x86,0,self.data);
 413     def resume(self):
 414         self.CCreleasecpu();
 415     def CCreleasecpu(self):
 416         """Resume the CPU."""
 417         self.writecmd(self.APP,0x87,0,self.data);
 418     def test(self):
 419         self.CCreleasecpu();
 420         self.CChaltcpu();
 421         #print "Status: %s" % self.CCstatusstr();
 422
 423         #Grab ident three times, should be equal.
 424         ident1=self.CCident();
 425         ident2=self.CCident();
 426         ident3=self.CCident();
 427         if(ident1!=ident2 or ident2!=ident3):
 428             print "Error, repeated ident attempts unequal."
 429             print "%04x, %04x, %04x" % (ident1, ident2, ident3);
 430
 431         #Single step, printing PC.
 432         print "Tracing execution at startup."
 433         for i in range(1,15):
 434             pc=self.CCgetPC();
 435             byte=self.CCpeekcodebyte(i);
 436             #print "PC=%04x, %02x" % (pc, byte);
 437             self.CCstep_instr();
 438
 439         print "Verifying that debugging a NOP doesn't affect the PC."
 440         for i in range(1,15):
 441             pc=self.CCgetPC();
 442             self.CCdebuginstr([0x00]);
 443             if(pc!=self.CCgetPC()):
 444                 print "ERROR: PC changed during CCdebuginstr([NOP])!";
 445
 446         print "Checking pokes to XRAM."
 447         for i in range(0xf000,0xf020):
 448             self.CCpokedatabyte(i,0xde);
 449             if(self.CCpeekdatabyte(i)!=0xde):
 450                 print "Error in XDATA at 0x%04x" % i;
 451
 452         #print "Status: %s." % self.CCstatusstr();
 453         #Exit debugger
 454         self.stop();
 455         print "Done.";
 456
 457     def setup(self):
 458         """Move the FET into the CC2430/CC2530 application."""
 459         #print "Initializing Chipcon.";
 460         self.writecmd(self.APP,0x10,0,self.data);
 461     def CCrd_config(self):
 462         """Read the config register of a Chipcon."""
 463         self.writecmd(self.APP,0x82,0,self.data);
 464         return ord(self.data[0]);
 465     def CCwr_config(self,config):
 466         """Write the config register of a Chipcon."""
 467         self.writecmd(self.APP,0x81,1,[config&0xFF]);
 468     def CClockchip(self):
 469         """Set the flash lock bit in info mem."""
 470         self.writecmd(self.APP, 0x9A, 0, None);
 471     def lock(self):
 472         """Set the flash lock bit in info mem."""
 473         self.CClockchip();
 474
 475
 476     CCversions={0x0100:"cc1110",
 477                 0x1100:"cc1111",
 478                 0x8500:"cc2430",
 479                 0x8900:"cc2431",
 480                 0x8100:"cc2510",
 481                 0x9100:"cc2511",
 482                 0xA500:"cc2530", #page 52 of SWRU191
 483                 0xB500:"cc2531",
 484                 0xFF00:"CCmissing"};
 485     CCpagesizes={0x01: 1024, #"CC1110",
 486                  0x11: 1024, #"CC1111",
 487                  0x85: 2048, #"CC2430",
 488                  0x89: 2048, #"CC2431",
 489                  0x81: 1024, #"CC2510",
 490                  0x91: 1024, #"CC2511",
 491                  0xA5: 2048, #"CC2530", #page 52 of SWRU191
 492                  0xB5: 2048, #"CC2531",
 493                  0xFF: 0    } #"CCmissing"};
 494     def infostring(self):
 495         return self.CCidentstr();
 496     def CCidentstr(self):
 497         ident=self.CCident();
 498         chip=self.CCversions.get(ident&0xFF00);
 499         pagesize=self.CCpagesizes.get(ident>0xFF);
 500         try:
 501             return "%s/r%0.4x/ps0x%0.4x" % (chip, ident, pagesize);
 502         except:
 503             return "%04x" % ident;
 504     def CCident(self):
 505         """Get a chipcon's ID."""
 506         self.writecmd(self.APP,0x8B,0,None);
 507         chip=ord(self.data[0]);
 508         rev=ord(self.data[1]);
 509         return (chip<<8)+rev;
 510     def CCpagesize(self):
 511         """Get a chipcon's ID."""
 512         self.writecmd(self.APP,0x8B,0,None);
 513         chip=ord(self.data[0]);
 514         size=self.CCpagesizes.get(chip);
 515         if(size<10):
 516             print "ERROR: Pagesize undefined.";
 517             print "chip=%0.4x" %chip;
 518             sys.exit(1);
 519             #return 2048;
 520         return size;
 521     def getpc(self):
 522         return self.CCgetPC();
 523     def CCgetPC(self):
 524         """Get a chipcon's PC."""
 525         self.writecmd(self.APP,0x83,0,None);
 526         hi=ord(self.data[0]);
 527         lo=ord(self.data[1]);
 528         return (hi<<8)+lo;
 529     def CCcmd(self,phrase):
 530         self.writecmd(self.APP,0x00,len(phrase),phrase);
 531         val=ord(self.data[0]);
 532         print "Got %02x" % val;
 533         return val;
 534     def CCdebuginstr(self,instr):
 535         self.writecmd(self.APP,0x88,len(instr),instr);
 536         return ord(self.data[0]);
 537     #def peekblock(self,adr,length,memory="vn"):
 538     #    """Return a block of data, broken"""
 539     #    data=[adr&0xff, (adr&0xff00)>>8,
 540     #          length&0xFF,(length&0xFF00)>>8];
 541     #    self.writecmd(self.APP,0x91,4,data);
 542     #    return [ord(x) for x in self.data]
 543     def peek8(self,address, memory="code"):
 544         if(memory=="code" or memory=="flash" or memory=="vn"):
 545             return self.CCpeekcodebyte(address);
 546         elif(memory=="data" or memory=="xdata" or memory=="ram"):
 547             return self.CCpeekdatabyte(address);
 548         elif(memory=="idata" or memory=="iram"):
 549             return self.CCpeekirambyte(address);
 550         print "%s is an unknown memory." % memory;
 551         return 0xdead;
 552     def CCpeekcodebyte(self,adr):
 553         """Read the contents of code memory at an address."""
 554         self.data=[adr&0xff, (adr&0xff00)>>8];
 555         self.writecmd(self.APP,0x90,2,self.data);
 556         return ord(self.data[0]);
 557     def CCpeekdatabyte(self,adr):
 558         """Read the contents of data memory at an address."""
 559         self.data=[adr&0xff, (adr&0xff00)>>8];
 560         self.writecmd(self.APP,0x91, 2, self.data);
 561         return ord(self.data[0]);
 562     def CCpeekirambyte(self,adr):
 563         """Read the contents of IRAM at an address."""
 564         self.data=[adr&0xff];
 565         self.writecmd(self.APP,0x02, 1, self.data);
 566         return ord(self.data[0]);
 567     def CCpeekiramword(self,adr):
 568         """Read the little-endian contents of IRAM at an address."""
 569         return self.CCpeekirambyte(adr)+(
 570             self.CCpeekirambyte(adr+1)<<8);
 571     def CCpokeiramword(self,adr,val):
 572         self.CCpokeirambyte(adr,val&0xff);
 573         self.CCpokeirambyte(adr+1,(val>>8)&0xff);
 574     def CCpokeirambyte(self,adr,val):
 575         """Write the contents of IRAM at an address."""
 576         self.data=[adr&0xff, val&0xff];
 577         self.writecmd(self.APP,0x02, 2, self.data);
 578         return ord(self.data[0]);
 579     def pokebyte(self,adr,val,mem="data"):
 580         if mem!="data":
 581             print "FIXME: poking of non data bytes not yet supported.";
 582         self.CCpokedatabyte(adr,val);
 583     def CCpokedatabyte(self,adr,val):
 584         """Write a byte to data memory."""
 585         self.data=[adr&0xff, (adr&0xff00)>>8, val];
 586         self.writecmd(self.APP, 0x92, 3, self.data);
 587         return ord(self.data[0]);
 588     def CCchiperase(self):
 589         """Erase all of the target's memory."""
 590         self.writecmd(self.APP,0x80,0,None);
 591     def erase(self):
 592         """Erase all of the target's memory."""
 593         self.CCchiperase();
 594         self.start();
 595
 596     def CCstatus(self):
 597         """Check the status."""
 598         self.writecmd(self.APP,0x84,0,None);
 599         return ord(self.data[0])
 600     #Same as CC2530
 601     CCstatusbits={0x80 : "erase_busy",
 602                   0x40 : "pcon_idle",
 603                   0x20 : "cpu_halted",
 604                   0x10 : "pm0",
 605                   0x08 : "halt_status",
 606                   0x04 : "locked",
 607                   0x02 : "oscstable",
 608                   0x01 : "overflow"
 609                   };
 610     CCconfigbits={0x20 : "soft_power_mode",   #new for CC2530
 611                   0x08 : "timers_off",
 612                   0x04 : "dma_pause",
 613                   0x02 : "timer_suspend",
 614                   0x01 : "sel_flash_info_page" #stricken from CC2530
 615                   };
 616
 617     def status(self):
 618         """Check the status as a string."""
 619         status=self.CCstatus();
 620         str="";
 621         i=1;
 622         while i<0x100:
 623             if(status&i):
 624                 str="%s %s" %(self.CCstatusbits[i],str);
 625             i*=2;
 626         return str;
 627     def start(self):
 628         """Start debugging."""
 629         self.setup();
 630         self.writecmd(self.APP,0x20,0,self.data);
 631         ident=self.CCidentstr();
 632         #print "Target identifies as %s." % ident;
 633         #print "Status: %s." % self.status();
 634         self.CCreleasecpu();
 635         self.CChaltcpu();
 636         #Get SmartRF Studio regs if they exist.
 637         self.loadsymbols();
 638
 639     def stop(self):
 640         """Stop debugging."""
 641         self.writecmd(self.APP,0x21,0,self.data);
 642     def CCstep_instr(self):
 643         """Step one instruction."""
 644         self.writecmd(self.APP,0x89,0,self.data);
 645     def CCeraseflashbuffer(self):
 646         """Erase the 2kB flash buffer"""
 647         self.writecmd(self.APP,0x99);
 648     def CCflashpage(self,adr):
 649         """Flash 2kB a page of flash from 0xF000 in XDATA"""
 650         data=[adr&0xFF,
 651               (adr>>8)&0xFF,
 652               (adr>>16)&0xFF,
 653               (adr>>24)&0xFF];
 654         print "Flashing buffer to 0x%06x" % adr;
 655         self.writecmd(self.APP,0x95,4,data);
 656
 657     def setsecret(self,value):
 658         """Set a secret word for later retreival.  Used by glitcher."""
 659         page = 0x0000;
 660         pagelen = self.CCpagesize(); #Varies by chip.
 661         print "page=%04x, pagelen=%04x" % (page,pagelen);
 662
 663         self.CCeraseflashbuffer();
 664         print "Setting secret to %x" % value;
 665         self.CCpokedatabyte(0xF000,value);
 666         self.CCpokedatabyte(0xF800,value);
 667         print "Setting secret to %x==%x" % (value,
 668                                             self.CCpeekdatabyte(0xf000));
 669         self.CCflashpage(0);
 670         print "code[0]=%x" % self.CCpeekcodebyte(0);
 671     def getsecret(self):
 672         """Get a secret word.  Used by glitcher."""
 673         secret=self.CCpeekcodebyte(0);
 674         #print "Got secret %02x" % secret;
 675         return secret;
 676
 677     def dump(self,file,start=0,stop=0xffff):
 678         """Dump an intel hex file from code memory."""
 679         print "Dumping code from %04x to %04x as %s." % (start,stop,file);
 680         h = IntelHex(None);
 681         i=start;
 682         while i<=stop:
 683             h[i]=self.CCpeekcodebyte(i);
 684             if(i%0x100==0):
 685                 print "Dumped %04x."%i;
 686                 h.write_hex_file(file); #buffer to disk.
 687             i+=1;
 688         h.write_hex_file(file);
 689
 690     def flash(self,file):
 691         """Flash an intel hex file to code memory."""
 692         print "Flashing %s" % file;
 693
 694         h = IntelHex(file);
 695         page = 0x0000;
 696         pagelen = self.CCpagesize(); #Varies by chip.
 697
 698         #print "page=%04x, pagelen=%04x" % (page,pagelen);
 699
 700         bcount = 0;
 701
 702         #Wipe the RAM buffer for the next flash page.
 703         self.CCeraseflashbuffer();
 704         for i in h._buf.keys():
 705             while(i>=page+pagelen):
 706                 if bcount>0:
 707                     self.CCflashpage(page);
 708                     #client.CCeraseflashbuffer();
 709                     bcount=0;
 710                     print "Flashed page at %06x" % page
 711                 page+=pagelen;
 712
 713             #Place byte into buffer.
 714             self.CCpokedatabyte(0xF000+i-page,
 715                                 h[i]);
 716             bcount+=1;
 717             if(i%0x100==0):
 718                 print "Buffering %04x toward %06x" % (i,page);
 719         #last page
 720         self.CCflashpage(page);
 721         print "Flashed final page at %06x" % page;
 722