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
  99         #self.pokebysym("FSCAL2" ,   0x2A);  #above mid
 100         self.pokebysym("FSCAL2" ,   0x0A);  #beneath mid
 101
 102         #self.CC_RFST_CAL(); #SCAL
 103         #time.sleep(1);
 104
 105
 106     def RF_getfreq(self):
 107         """Get the frequency in Hz."""
 108         #FIXME CC1110 specific
 109
 110         #return (2400+self.peek(0x05))*10**6
 111         #self.poke(0x05,chan);
 112
 113         #freq2=self.CCpeekdatabyte(0xdf09);
 114         #freq1=self.CCpeekdatabyte(0xdf0a);
 115         #freq0=self.CCpeekdatabyte(0xdf0b);
 116         freq=0;
 117         try:
 118             freq2=self.peekbysym("FREQ2");
 119             freq1=self.peekbysym("FREQ1");
 120             freq0=self.peekbysym("FREQ0");
 121             freq=(freq2<<16)+(freq1<<8)+freq0;
 122         except:
 123             freq=0;
 124
 125         hz=freq*396.728515625;
 126
 127         return hz;
 128     lastshellcode="none";
 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
 133         if self.lastshellcode!=filename:
 134             self.lastshellcode=filename;
 135             file=__file__;
 136             file=file.replace("GoodFETCC.pyc","GoodFETCC.py");
 137             path=file.replace("GoodFETCC.py","shellcode/chipcon/cc1110/");
 138             filename=path+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 ishalted(self):
 154         return self.CCstatus()&0x20;
 155     def shellcode(self,code,wait=1):
 156         """Copy a block of code into RAM and execute it."""
 157         i=0;
 158         ram=0xF000;
 159         for byte in code:
 160             self.pokebyte(0xF000+i,byte);
 161             i=i+1;
 162         #print "Code loaded, executing."
 163         self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
 164         self.resume();
 165         while wait>0 and (0==self.CCstatus()&0x20):
 166             a=1;
 167             #time.sleep(0.1);
 168             #print "Waiting for shell code to return.";
 169         return;
 170     def CC1110_crystal(self):
 171         """Start the main crystal of the CC1110 oscillating, needed for radio use."""
 172         code=[0x53, 0xBE, 0xFB, #anl SLEEP, #0xFB
 173               #one:
 174               0xE5, 0xBE,       #mov a,SLEEP
 175               0x30, 0xE6, 0xFB, #jnb acc.6, back
 176               0x53, 0xc6, 0xB8, #anl CLKCON, #0xB8
 177               #two
 178               0xE5, 0xC6,       #mov a,CLKCON
 179               0x20, 0xE6, 0xFB, #jb acc.6, two
 180               0x43, 0xBE, 0x04, #orl SLEEP, #0x04
 181               0xA5,             #HALT
 182               ];
 183         self.shellcode(code);
 184
 185         #Slower to load, but produced from C.
 186         #self.shellcodefile("crystal.ihx");
 187         return;
 188     def RF_idle(self):
 189         """Move the radio to its idle state."""
 190         self.CC_RFST_IDLE();
 191         return;
 192
 193     #Chipcon RF strobes.  CC1110 specific
 194     RFST_IDLE=0x04;
 195     RFST_RX=0x02;
 196     RFST_TX=0x03;
 197     RFST_CAL=0x01;
 198     def CC_RFST_IDLE(self):
 199         """Switch the radio to idle mode, clearing overflows and errors."""
 200         self.CC_RFST(self.RFST_IDLE);
 201     def CC_RFST_TX(self):
 202         """Switch the radio to TX mode."""
 203         self.CC_RFST(self.RFST_TX);
 204     def CC_RFST_RX(self):
 205         """Switch the radio to RX mode."""
 206         self.CC_RFST(self.RFST_RX);
 207     def CC_RFST_CAL(self):
 208         """Calibrate strobe the radio."""
 209         self.CC_RFST(self.RFST_CAL);
 210     def CC_RFST(self,state=RFST_IDLE):
 211         RFST=0xDFE1
 212         self.pokebyte(RFST,state); #Return to idle state.
 213         return;
 214     def config_dash7(self,band="lf"):
 215         #These settings came from the OpenTag project's GIT repo on 18 Dec, 2010.
 216         #Waiting for official confirmation of the accuracy.
 217
 218         self.pokebysym("FSCTRL1"  , 0x08)   # Frequency synthesizer control.
 219         self.pokebysym("FSCTRL0"  , 0x00)   # Frequency synthesizer control.
 220
 221         #Don't change these while the radio is active.
 222         self.pokebysym("FSCAL3"   , 0xEA)   # Frequency synthesizer calibration.
 223         self.pokebysym("FSCAL2"   , 0x2A)   # Frequency synthesizer calibration.
 224         self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 225         self.pokebysym("FSCAL0"   , 0x1F)   # Frequency synthesizer calibration.
 226
 227         if band=="ismeu" or band=="eu":
 228             print "There is no official eu band for dash7."
 229             self.pokebysym("FREQ2"    , 0x21)   # Frequency control word, high byte.
 230             self.pokebysym("FREQ1"    , 0x71)   # Frequency control word, middle byte.
 231             self.pokebysym("FREQ0"    , 0x7a)   # Frequency control word, low byte.
 232         elif band=="ismus" or band=="us":
 233             print "There is no official us band for dash7."
 234             self.pokebysym("FREQ2"    , 0x22)   # Frequency control word, high byte.
 235             self.pokebysym("FREQ1"    , 0xB1)   # Frequency control word, middle byte.
 236             self.pokebysym("FREQ0"    , 0x3B)   # Frequency control word, low byte.
 237         elif band=="ismlf" or band=="lf":
 238             # 433.9198 MHz, same as Simpliciti.
 239             self.pokebysym("FREQ2"    , 0x10)   # Frequency control word, high byte.
 240             self.pokebysym("FREQ1"    , 0xB0)   # Frequency control word, middle byte.
 241             self.pokebysym("FREQ0"    , 0x71)   # Frequency control word, low byte.
 242         elif band=="none":
 243             pass;
 244         else:
 245             #Got a frequency, not a band.
 246             self.RF_setfreq(eval(band));
 247         self.pokebysym("MDMCFG4"  , 0x8B)   # 62.5 kbps w/ 200 kHz filter
 248         self.pokebysym("MDMCFG3"  , 0x3B)
 249         self.pokebysym("MDMCFG2"  , 0x11)
 250         self.pokebysym("MDMCFG1"  , 0x02)
 251         self.pokebysym("MDMCFG0"  , 0x53)
 252         self.pokebysym("CHANNR"   , 0x00)   # Channel zero.
 253         self.pokebysym("DEVIATN"  , 0x50)   # 50 kHz deviation
 254
 255         self.pokebysym("FREND1"   , 0xB6)   # Front end RX configuration.
 256         self.pokebysym("FREND0"   , 0x10)   # Front end RX configuration.
 257         self.pokebysym("MCSM2"    , 0x1E)
 258         self.pokebysym("MCSM1"    , 0x3F)
 259         self.pokebysym("MCSM0"    , 0x30)
 260         self.pokebysym("FOCCFG"   , 0x1D)   # Frequency Offset Compensation Configuration.
 261         self.pokebysym("BSCFG"    , 0x1E)   # 6.25% data error rate
 262
 263         self.pokebysym("AGCCTRL2" , 0xC7)   # AGC control.
 264         self.pokebysym("AGCCTRL1" , 0x00)   # AGC control.
 265         self.pokebysym("AGCCTRL0" , 0xB2)   # AGC control.
 266
 267         self.pokebysym("TEST2"    , 0x81)   # Various test settings.
 268         self.pokebysym("TEST1"    , 0x35)   # Various test settings.
 269         self.pokebysym("TEST0"    , 0x09)   # Various test settings.
 270         self.pokebysym("PA_TABLE0", 0xc0)   # Max output power.
 271         self.pokebysym("PKTCTRL1" , 0x04)   # Packet automation control, w/ lqi
 272         #self.pokebysym("PKTCTRL1" , 0x00)   # Packet automation control. w/o lqi
 273         self.pokebysym("PKTCTRL0" , 0x05)   # Packet automation control, w/ checksum.
 274         #self.pokebysym("PKTCTRL0" , 0x00)   # Packet automation control, w/o checksum, fixed length
 275         self.pokebysym("ADDR"     , 0x01)   # Device address.
 276         self.pokebysym("PKTLEN"   , 0xFF)   # Packet length.
 277
 278         self.pokebysym("SYNC1",0xD3);
 279         self.pokebysym("SYNC0",0x91);
 280         return;
 281     def config_simpliciti(self,band="none"):
 282         self.pokebysym("FSCTRL1"  , 0x0C) #08   # Frequency synthesizer control.
 283         self.pokebysym("FSCTRL0"  , 0x00)   # Frequency synthesizer control.
 284
 285         #Don't change these while the radio is active.
 286         self.pokebysym("FSCAL3"   , 0xEA)   # Frequency synthesizer calibration.
 287         self.pokebysym("FSCAL2"   , 0x2A)   # Frequency synthesizer calibration.
 288         self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 289         self.pokebysym("FSCAL0"   , 0x1F)   # Frequency synthesizer calibration.
 290
 291         if band=="ismeu" or band=="eu":
 292             self.pokebysym("FREQ2"    , 0x21)   # Frequency control word, high byte.
 293             self.pokebysym("FREQ1"    , 0x71)   # Frequency control word, middle byte.
 294             self.pokebysym("FREQ0"    , 0x7a)   # Frequency control word, low byte.
 295         elif band=="ismus" or band=="us":
 296             self.pokebysym("FREQ2"    , 0x22)   # Frequency control word, high byte.
 297             self.pokebysym("FREQ1"    , 0xB1)   # Frequency control word, middle byte.
 298             self.pokebysym("FREQ0"    , 0x3B)   # Frequency control word, low byte.
 299         elif band=="ismlf" or band=="lf":
 300             self.pokebysym("FREQ2"    , 0x10)   # Frequency control word, high byte.
 301             self.pokebysym("FREQ1"    , 0xB0)   # Frequency control word, middle byte.
 302             self.pokebysym("FREQ0"    , 0x71)   # Frequency control word, low byte.
 303         elif band=="none":
 304             band="none";
 305         else:
 306             #Got a frequency, not a band.
 307             self.RF_setfreq(eval(band));
 308         self.pokebysym("MDMCFG4"  , 0x7B)   # Modem configuration.
 309         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 310         self.pokebysym("MDMCFG2"  , 0x13)   # Modem configuration.
 311         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 312         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 313         if band=="ismus" or band=="us":
 314             self.pokebysym("CHANNR"   , 20)   # Channel number.
 315         else:
 316             self.pokebysym("CHANNR"   , 0x00)   # Channel number.
 317         self.pokebysym("DEVIATN"  , 0x42)   # Modem deviation setting (when FSK modulation is enabled).
 318
 319         self.pokebysym("FREND1"   , 0xB6)   # Front end RX configuration.
 320         self.pokebysym("FREND0"   , 0x10)   # Front end RX configuration.
 321         self.pokebysym("MCSM0"    , 0x18)   # Main Radio Control State Machine configuration.
 322         self.pokebysym("FOCCFG"   , 0x1D)   # Frequency Offset Compensation Configuration.
 323         self.pokebysym("BSCFG"    , 0x1C)   # Bit synchronization Configuration.
 324
 325         self.pokebysym("AGCCTRL2" , 0xC7)   # AGC control.
 326         self.pokebysym("AGCCTRL1" , 0x00)   # AGC control.
 327         self.pokebysym("AGCCTRL0" , 0xB2)   # AGC control.
 328
 329         self.pokebysym("TEST2"    , 0x81)   # Various test settings.
 330         self.pokebysym("TEST1"    , 0x35)   # Various test settings.
 331         self.pokebysym("TEST0"    , 0x09)   # Various test settings.
 332         self.pokebysym("PA_TABLE0", 0xc0)   # Max output power.
 333         self.pokebysym("PKTCTRL1" , 0x04)   # Packet automation control, w/ lqi
 334         #self.pokebysym("PKTCTRL1" , 0x00)   # Packet automation control. w/o lqi
 335         self.pokebysym("PKTCTRL0" , 0x05)   # Packet automation control, w/ checksum.
 336         #self.pokebysym("PKTCTRL0" , 0x00)   # Packet automation control, w/o checksum, fixed length
 337         self.pokebysym("ADDR"     , 0x01)   # Device address.
 338         self.pokebysym("PKTLEN"   , 0xFF)   # Packet length.
 339
 340         self.pokebysym("SYNC1",0xD3);
 341         self.pokebysym("SYNC0",0x91);
 342
 343     def RF_carrier(self):
 344         """Hold a carrier wave on the present frequency."""
 345
 346         self.CC1110_crystal(); #FIXME, '1110 specific.
 347         self.RF_idle();
 348
 349
 350         RFST=0xDFE1;
 351
 352         self.config_simpliciti();
 353
 354         #Don't change these while the radio is active.
 355         #self.pokebysym("FSCAL3"   , 0xA9)   # Frequency synthesizer calibration.
 356         #self.pokebysym("FSCAL2"   , 0x0A)   # Frequency synthesizer calibration.
 357         #self.pokebysym("FSCAL1"   , 0x00)   # Frequency synthesizer calibration.
 358         #self.pokebysym("FSCAL0"   , 0x11)   # Frequency synthesizer calibration.
 359
 360         #Ramp up the power.
 361         #self.pokebysym("PA_TABLE0", 0xFF)   # PA output power setting.
 362
 363         #This is what drops to OOK.
 364         #Comment to keep GFSK, might be better at jamming.
 365         self.pokebysym("MDMCFG4"  , 0x86)   # Modem configuration.
 366         self.pokebysym("MDMCFG3"  , 0x83)   # Modem configuration.
 367         self.pokebysym("MDMCFG2"  , 0x30)   # Modem configuration.
 368         self.pokebysym("MDMCFG1"  , 0x22)   # Modem configuration.
 369         self.pokebysym("MDMCFG0"  , 0xF8)   # Modem configuration.
 370
 371
 372         self.pokebysym("SYNC1",0xAA);
 373         self.pokebysym("SYNC0",0xAA);
 374
 375
 376
 377         #while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
 378         state=0;
 379
 380         while((state!=0x13)):
 381             self.pokebyte(RFST,0x03); #RFST=RFST_STX
 382             time.sleep(0.1);
 383             state=self.peekbysym("MARCSTATE")&0x1F;
 384             #print "state=%02x" % state;
 385         print "Holding a carrier on %f MHz." % (self.RF_getfreq()/10**6);
 386
 387         return;
 388
 389     def RF_getsmac(self):
 390         """Return the source MAC address."""
 391
 392         #Register 0A is RX_ADDR_P0, five bytes.
 393         mac=self.peekbysym("ADDR");
 394         return mac;
 395     def RF_setsmac(self,mac):
 396         """Set the source MAC address."""
 397         self.pokebysym("ADDR",mac);
 398         return 0;
 399     def RF_gettmac(self):
 400         """Return the target MAC address."""
 401         return 0;
 402     def RF_settmac(self,mac):
 403         """Set the target MAC address."""
 404         return 0;
 405     def RF_rxpacket(self):
 406         """Get a packet from the radio.  Returns None if none is waiting."""
 407         self.shellcodefile("rxpacket.ihx");
 408         len=self.peek8(0xFE00,"xdata");
 409         return self.peekblock(0xFE00,len+3,"data");
 410     def RF_txpacket(self,packet):
 411         """Transmit a packet.  Untested."""
 412
 413         self.pokeblock(0xFE00,packet,"data");
 414         self.shellcodefile("txpacket.ihx");
 415         return;
 416     def RF_txrxpacket(self,packet):
 417         """Transmit a packet.  Untested."""
 418
 419         self.pokeblock(0xFE00,packet,"data");
 420         self.shellcodefile("txrxpacket.ihx");
 421         len=self.peek8(0xFE00,"xdata");
 422         return self.peekblock(0xFE00,len+3,"data");
 423
 424     def RF_getrssi(self):
 425         """Returns the received signal strenght, with a weird offset."""
 426         try:
 427             rssireg=self.symbols.get("RSSI");
 428             return self.CCpeekdatabyte(rssireg)^0x80;
 429         except:
 430             if self.verbose>0: print "RSSI reg doesn't exist.";
 431         try:
 432             #RSSI doesn't exist on 2.4GHz devices.  Maybe RSSIL and RSSIH?
 433             rssilreg=self.symbols.get("RSSIL");
 434             rssil=self.CCpeekdatabyte(rssilreg);
 435             rssihreg=self.symbols.get("RSSIL");
 436             rssih=self.CCpeekdatabyte(rssihreg);
 437             return (rssih<<8)|rssil;
 438         except:
 439             if self.verbose>0: print "RSSIL/RSSIH regs don't exist.";
 440
 441         return 0;
 442
 443
 444
 445     def SRF_loadsymbols(self):
 446         ident=self.CCident();
 447         chip=self.CCversions.get(ident&0xFF00);
 448         dom=self.SRF_chipdom(chip,"register_definition.xml");
 449         for e in dom.getElementsByTagName("registerdefinition"):
 450             for f in e.childNodes:
 451                 if f.localName=="Register":
 452                     name="unknownreg";
 453                     address="0xdead";
 454                     description="";
 455                     bitfields="";
 456                     for g in f.childNodes:
 457                         if g.localName=="Name":
 458                             name=g.childNodes[0].nodeValue;
 459                         elif g.localName=="Address":
 460                             address=g.childNodes[0].nodeValue;
 461                         elif g.localName=="Description":
 462                             if g.childNodes:
 463                                 description=g.childNodes[0].nodeValue;
 464                         elif g.localName=="Bitfield":
 465                             bitfields+="%17s/* %-50s */\n" % ("",self.SRF_bitfieldstr(g));
 466                     #print "SFRX(%10s, %s); /* %50s */" % (name,address, description);
 467                     self.symbols.define(eval(address),name,description,"data");
 468     def halt(self):
 469         """Halt the CPU."""
 470         self.CChaltcpu();
 471     def CChaltcpu(self):
 472         """Halt the CPU."""
 473         self.writecmd(self.APP,0x86,0,self.data);
 474     def resume(self):
 475         self.CCreleasecpu();
 476     def CCreleasecpu(self):
 477         """Resume the CPU."""
 478         self.writecmd(self.APP,0x87,0,self.data);
 479     def test(self):
 480         self.CCreleasecpu();
 481         self.CChaltcpu();
 482         #print "Status: %s" % self.CCstatusstr();
 483
 484         #Grab ident three times, should be equal.
 485         ident1=self.CCident();
 486         ident2=self.CCident();
 487         ident3=self.CCident();
 488         if(ident1!=ident2 or ident2!=ident3):
 489             print "Error, repeated ident attempts unequal."
 490             print "%04x, %04x, %04x" % (ident1, ident2, ident3);
 491
 492         #Single step, printing PC.
 493         print "Tracing execution at startup."
 494         for i in range(1,15):
 495             pc=self.CCgetPC();
 496             byte=self.CCpeekcodebyte(i);
 497             #print "PC=%04x, %02x" % (pc, byte);
 498             self.CCstep_instr();
 499
 500         print "Verifying that debugging a NOP doesn't affect the PC."
 501         for i in range(1,15):
 502             pc=self.CCgetPC();
 503             self.CCdebuginstr([0x00]);
 504             if(pc!=self.CCgetPC()):
 505                 print "ERROR: PC changed during CCdebuginstr([NOP])!";
 506
 507         print "Checking pokes to XRAM."
 508         for i in range(0xf000,0xf020):
 509             self.CCpokedatabyte(i,0xde);
 510             if(self.CCpeekdatabyte(i)!=0xde):
 511                 print "Error in XDATA at 0x%04x" % i;
 512
 513         #print "Status: %s." % self.CCstatusstr();
 514         #Exit debugger
 515         self.stop();
 516         print "Done.";
 517
 518     def setup(self):
 519         """Move the FET into the CC2430/CC2530 application."""
 520         #print "Initializing Chipcon.";
 521         self.writecmd(self.APP,0x10,0,self.data);
 522     def CCrd_config(self):
 523         """Read the config register of a Chipcon."""
 524         self.writecmd(self.APP,0x82,0,self.data);
 525         return ord(self.data[0]);
 526     def CCwr_config(self,config):
 527         """Write the config register of a Chipcon."""
 528         self.writecmd(self.APP,0x81,1,[config&0xFF]);
 529     def CClockchip(self):
 530         """Set the flash lock bit in info mem."""
 531         self.writecmd(self.APP, 0x9A, 0, None);
 532     def lock(self):
 533         """Set the flash lock bit in info mem."""
 534         self.CClockchip();
 535
 536
 537     CCversions={0x0100:"cc1110",
 538                 0x1100:"cc1111",
 539                 0x8500:"cc2430",
 540                 0x8900:"cc2431",
 541                 0x8100:"cc2510",
 542                 0x9100:"cc2511",
 543                 0xA500:"cc2530", #page 52 of SWRU191
 544                 0xB500:"cc2531",
 545                 0xFF00:"CCmissing"};
 546     CCpagesizes={0x01: 1024, #"CC1110",
 547                  0x11: 1024, #"CC1111",
 548                  0x85: 2048, #"CC2430",
 549                  0x89: 2048, #"CC2431",
 550                  0x81: 1024, #"CC2510",
 551                  0x91: 1024, #"CC2511",
 552                  0xA5: 2048, #"CC2530", #page 52 of SWRU191
 553                  0xB5: 2048, #"CC2531",
 554                  0xFF: 0    } #"CCmissing"};
 555     def infostring(self):
 556         return self.CCidentstr();
 557     def CCidentstr(self):
 558         ident=self.CCident();
 559         chip=self.CCversions.get(ident&0xFF00);
 560         pagesize=self.CCpagesizes.get(ident>0xFF);
 561         try:
 562             return "%s/r%0.4x/ps0x%0.4x" % (chip, ident, pagesize);
 563         except:
 564             return "%04x" % ident;
 565     def CCident(self):
 566         """Get a chipcon's ID."""
 567         self.writecmd(self.APP,0x8B,0,None);
 568         chip=ord(self.data[0]);
 569         rev=ord(self.data[1]);
 570         return (chip<<8)+rev;
 571     def CCpagesize(self):
 572         """Get a chipcon's ID."""
 573         self.writecmd(self.APP,0x8B,0,None);
 574         chip=ord(self.data[0]);
 575         size=self.CCpagesizes.get(chip);
 576         if(size<10):
 577             print "ERROR: Pagesize undefined.";
 578             print "chip=%0.4x" %chip;
 579             sys.exit(1);
 580             #return 2048;
 581         return size;
 582     def getpc(self):
 583         return self.CCgetPC();
 584     def CCgetPC(self):
 585         """Get a chipcon's PC."""
 586         self.writecmd(self.APP,0x83,0,None);
 587         hi=ord(self.data[0]);
 588         lo=ord(self.data[1]);
 589         return (hi<<8)+lo;
 590     def CCcmd(self,phrase):
 591         self.writecmd(self.APP,0x00,len(phrase),phrase);
 592         val=ord(self.data[0]);
 593         print "Got %02x" % val;
 594         return val;
 595     def CCdebuginstr(self,instr):
 596         self.writecmd(self.APP,0x88,len(instr),instr);
 597         return ord(self.data[0]);
 598     #def peekblock(self,adr,length,memory="vn"):
 599     #    """Return a block of data, broken"""
 600     #    data=[adr&0xff, (adr&0xff00)>>8,
 601     #          length&0xFF,(length&0xFF00)>>8];
 602     #    self.writecmd(self.APP,0x91,4,data);
 603     #    return [ord(x) for x in self.data]
 604     def peek8(self,address, memory="code"):
 605         if(memory=="code" or memory=="flash" or memory=="vn"):
 606             return self.CCpeekcodebyte(address);
 607         elif(memory=="data" or memory=="xdata" or memory=="ram"):
 608             return self.CCpeekdatabyte(address);
 609         elif(memory=="idata" or memory=="iram"):
 610             return self.CCpeekirambyte(address);
 611         print "%s is an unknown memory." % memory;
 612         return 0xdead;
 613     def CCpeekcodebyte(self,adr):
 614         """Read the contents of code memory at an address."""
 615         self.data=[adr&0xff, (adr&0xff00)>>8];
 616         self.writecmd(self.APP,0x90,2,self.data);
 617         return ord(self.data[0]);
 618     def CCpeekdatabyte(self,adr):
 619         """Read the contents of data memory at an address."""
 620         self.data=[adr&0xff, (adr&0xff00)>>8];
 621         self.writecmd(self.APP,0x91, 2, self.data);
 622         return ord(self.data[0]);
 623     def CCpeekirambyte(self,adr):
 624         """Read the contents of IRAM at an address."""
 625         self.data=[adr&0xff];
 626         self.writecmd(self.APP,0x02, 1, self.data);
 627         return ord(self.data[0]);
 628     def CCpeekiramword(self,adr):
 629         """Read the little-endian contents of IRAM at an address."""
 630         return self.CCpeekirambyte(adr)+(
 631             self.CCpeekirambyte(adr+1)<<8);
 632     def CCpokeiramword(self,adr,val):
 633         self.CCpokeirambyte(adr,val&0xff);
 634         self.CCpokeirambyte(adr+1,(val>>8)&0xff);
 635     def CCpokeirambyte(self,adr,val):
 636         """Write the contents of IRAM at an address."""
 637         self.data=[adr&0xff, val&0xff];
 638         self.writecmd(self.APP,0x02, 2, self.data);
 639         return ord(self.data[0]);
 640     def pokebyte(self,adr,val,mem="xdata"):
 641         self.CCpokedatabyte(adr,val);
 642     def CCpokedatabyte(self,adr,val):
 643         """Write a byte to data memory."""
 644         self.data=[adr&0xff, (adr&0xff00)>>8, val];
 645         self.writecmd(self.APP, 0x92, 3, self.data);
 646         return ord(self.data[0]);
 647     def CCchiperase(self):
 648         """Erase all of the target's memory."""
 649         self.writecmd(self.APP,0x80,0,None);
 650     def erase(self):
 651         """Erase all of the target's memory."""
 652         self.CCchiperase();
 653         self.start();
 654
 655     def CCstatus(self):
 656         """Check the status."""
 657         self.writecmd(self.APP,0x84,0,None);
 658         return ord(self.data[0])
 659     #Same as CC2530
 660     CCstatusbits={0x80 : "erase_busy",
 661                   0x40 : "pcon_idle",
 662                   0x20 : "cpu_halted",
 663                   0x10 : "pm0",
 664                   0x08 : "halt_status",
 665                   0x04 : "locked",
 666                   0x02 : "oscstable",
 667                   0x01 : "overflow"
 668                   };
 669     CCconfigbits={0x20 : "soft_power_mode",   #new for CC2530
 670                   0x08 : "timers_off",
 671                   0x04 : "dma_pause",
 672                   0x02 : "timer_suspend",
 673                   0x01 : "sel_flash_info_page" #stricken from CC2530
 674                   };
 675
 676     def status(self):
 677         """Check the status as a string."""
 678         status=self.CCstatus();
 679         str="";
 680         i=1;
 681         while i<0x100:
 682             if(status&i):
 683                 str="%s %s" %(self.CCstatusbits[i],str);
 684             i*=2;
 685         return str;
 686     def start(self):
 687         """Start debugging."""
 688         self.setup();
 689         self.writecmd(self.APP,0x20,0,self.data);
 690         ident=self.CCidentstr();
 691         #print "Target identifies as %s." % ident;
 692         #print "Status: %s." % self.status();
 693         self.CCreleasecpu();
 694         self.CChaltcpu();
 695         #Get SmartRF Studio regs if they exist.
 696         self.loadsymbols();
 697
 698     def stop(self):
 699         """Stop debugging."""
 700         self.writecmd(self.APP,0x21,0,self.data);
 701     def CCstep_instr(self):
 702         """Step one instruction."""
 703         self.writecmd(self.APP,0x89,0,self.data);
 704     def CCeraseflashbuffer(self):
 705         """Erase the 2kB flash buffer"""
 706         self.writecmd(self.APP,0x99);
 707     def CCflashpage(self,adr):
 708         """Flash 2kB a page of flash from 0xF000 in XDATA"""
 709         data=[adr&0xFF,
 710               (adr>>8)&0xFF,
 711               (adr>>16)&0xFF,
 712               (adr>>24)&0xFF];
 713         print "Flashing buffer to 0x%06x" % adr;
 714         self.writecmd(self.APP,0x95,4,data);
 715
 716     def setsecret(self,value):
 717         """Set a secret word for later retreival.  Used by glitcher."""
 718         page = 0x0000;
 719         pagelen = self.CCpagesize(); #Varies by chip.
 720         print "page=%04x, pagelen=%04x" % (page,pagelen);
 721
 722         self.CCeraseflashbuffer();
 723         print "Setting secret to %x" % value;
 724         self.CCpokedatabyte(0xF000,value);
 725         self.CCpokedatabyte(0xF800,value);
 726         print "Setting secret to %x==%x" % (value,
 727                                             self.CCpeekdatabyte(0xf000));
 728         self.CCflashpage(0);
 729         print "code[0]=%x" % self.CCpeekcodebyte(0);
 730     def getsecret(self):
 731         """Get a secret word.  Used by glitcher."""
 732         secret=self.CCpeekcodebyte(0);
 733         #print "Got secret %02x" % secret;
 734         return secret;
 735
 736     def dump(self,file,start=0,stop=0xffff):
 737         """Dump an intel hex file from code memory."""
 738         print "Dumping code from %04x to %04x as %s." % (start,stop,file);
 739         h = IntelHex(None);
 740         i=start;
 741         while i<=stop:
 742             h[i]=self.CCpeekcodebyte(i);
 743             if(i%0x100==0):
 744                 print "Dumped %04x."%i;
 745                 h.write_hex_file(file); #buffer to disk.
 746             i+=1;
 747         h.write_hex_file(file);
 748
 749     def flash(self,file):
 750         """Flash an intel hex file to code memory."""
 751         print "Flashing %s" % file;
 752
 753         h = IntelHex(file);
 754         page = 0x0000;
 755         pagelen = self.CCpagesize(); #Varies by chip.
 756
 757         #print "page=%04x, pagelen=%04x" % (page,pagelen);
 758
 759         bcount = 0;
 760
 761         #Wipe the RAM buffer for the next flash page.
 762         self.CCeraseflashbuffer();
 763         for i in h._buf.keys():
 764             while(i>=page+pagelen):
 765                 if bcount>0:
 766                     self.CCflashpage(page);
 767                     #client.CCeraseflashbuffer();
 768                     bcount=0;
 769                     print "Flashed page at %06x" % page
 770                 page+=pagelen;
 771
 772             #Place byte into buffer.
 773             self.CCpokedatabyte(0xF000+i-page,
 774                                 h[i]);
 775             bcount+=1;
 776             if(i%0x100==0):
 777                 print "Buffering %04x toward %06x" % (i,page);
 778         #last page
 779         self.CCflashpage(page);
 780         print "Flashed final page at %06x" % page;
 781