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;
  15
  16 class GoodFETCC(GoodFET):
  17     """A GoodFET variant for use with Chipcon 8051 Zigbee SoC."""
  18     APP=0x30;
  19     smartrfpath="/opt/smartrf7";
  20     def SRF_chipdom(self,chip="cc1110", doc="register_definition.xml"):
  21         fn="%s/config/xml/%s/%s" % (self.smartrfpath,chip,doc);
  22         print "Opening %s" % fn;
  23         return xml.dom.minidom.parse(fn)
  24     def CMDrs(self,args=[]):
  25         """Chip command to grab the radio state."""
  26         self.SRF_radiostate();
  27     def SRF_bitfieldstr(self,bf):
  28         name="unused";
  29         start=0;
  30         stop=0;
  31         access="";
  32         reset="0x00";
  33         description="";
  34         for e in bf.childNodes:
  35             if e.localName=="Name" and e.childNodes: name= e.childNodes[0].nodeValue;
  36             elif e.localName=="Start": start=e.childNodes[0].nodeValue;
  37             elif e.localName=="Stop": stop=e.childNodes[0].nodeValue;
  38         return "   [%s:%s] %30s " % (start,stop,name);
  39     def SRF_radiostate(self):
  40         ident=self.CCident();
  41         chip=self.CCversions.get(ident&0xFF00);
  42         dom=self.SRF_chipdom(chip,"register_definition.xml");
  43         for e in dom.getElementsByTagName("registerdefinition"):
  44             for f in e.childNodes:
  45                 if f.localName=="DeviceName":
  46                     print "// %s RadioState" % (f.childNodes[0].nodeValue);
  47                 elif f.localName=="Register":
  48                     name="unknownreg";
  49                     address="0xdead";
  50                     description="";
  51                     bitfields="";
  52                     for g in f.childNodes:
  53                         if g.localName=="Name":
  54                             name=g.childNodes[0].nodeValue;
  55                         elif g.localName=="Address":
  56                             address=g.childNodes[0].nodeValue;
  57                         elif g.localName=="Description":
  58                             if g.childNodes:
  59                                 description=g.childNodes[0].nodeValue;
  60                         elif g.localName=="Bitfield":
  61                             bitfields+="%17s/* %-50s */\n" % ("",self.SRF_bitfieldstr(g));
  62                     #print "SFRX(%10s, %s); /* %50s */" % (name,address, description);
  63                     print "%-10s=0x%02x; /* %-50s */" % (
  64                         name,self.CCpeekdatabyte(eval(address)), description);
  65                     if bitfields!="": print bitfields.rstrip();
  66     def halt(self):
  67         """Halt the CPU."""
  68         self.CChaltcpu();
  69     def CChaltcpu(self):
  70         """Halt the CPU."""
  71         self.writecmd(self.APP,0x86,0,self.data);
  72     def resume(self):
  73         self.CCreleasecpu();
  74     def CCreleasecpu(self):
  75         """Resume the CPU."""
  76         self.writecmd(self.APP,0x87,0,self.data);
  77     def test(self):
  78         self.CCreleasecpu();
  79         self.CChaltcpu();
  80         #print "Status: %s" % self.CCstatusstr();
  81
  82         #Grab ident three times, should be equal.
  83         ident1=self.CCident();
  84         ident2=self.CCident();
  85         ident3=self.CCident();
  86         if(ident1!=ident2 or ident2!=ident3):
  87             print "Error, repeated ident attempts unequal."
  88             print "%04x, %04x, %04x" % (ident1, ident2, ident3);
  89
  90         #Single step, printing PC.
  91         print "Tracing execution at startup."
  92         for i in range(1,15):
  93             pc=self.CCgetPC();
  94             byte=self.CCpeekcodebyte(i);
  95             #print "PC=%04x, %02x" % (pc, byte);
  96             self.CCstep_instr();
  97
  98         print "Verifying that debugging a NOP doesn't affect the PC."
  99         for i in range(1,15):
 100             pc=self.CCgetPC();
 101             self.CCdebuginstr([0x00]);
 102             if(pc!=self.CCgetPC()):
 103                 print "ERROR: PC changed during CCdebuginstr([NOP])!";
 104
 105         print "Checking pokes to XRAM."
 106         for i in range(0xf000,0xf020):
 107             self.CCpokedatabyte(i,0xde);
 108             if(self.CCpeekdatabyte(i)!=0xde):
 109                 print "Error in XDATA at 0x%04x" % i;
 110
 111         #print "Status: %s." % self.CCstatusstr();
 112         #Exit debugger
 113         self.stop();
 114         print "Done.";
 115
 116     def setup(self):
 117         """Move the FET into the CC2430/CC2530 application."""
 118         #print "Initializing Chipcon.";
 119         self.writecmd(self.APP,0x10,0,self.data);
 120     def CCrd_config(self):
 121         """Read the config register of a Chipcon."""
 122         self.writecmd(self.APP,0x82,0,self.data);
 123         return ord(self.data[0]);
 124     def CCwr_config(self,config):
 125         """Write the config register of a Chipcon."""
 126         self.writecmd(self.APP,0x81,1,[config&0xFF]);
 127     def CClockchip(self):
 128         """Set the flash lock bit in info mem."""
 129         self.writecmd(self.APP, 0x9A, 0, None);
 130     def lock(self):
 131         """Set the flash lock bit in info mem."""
 132         self.CClockchip();
 133
 134
 135     CCversions={0x0100:"cc1110",
 136                 0x8500:"cc2430",
 137                 0x8900:"cc2431",
 138                 0x8100:"cc2510",
 139                 0x9100:"cc2511",
 140                 0xA500:"cc2530", #page 52 of SWRU191
 141                 0xB500:"cc2531",
 142                 0xFF00:"CCmissing"};
 143     CCpagesizes={0x01: 1024, #"CC1110",
 144                  0x85: 2048, #"CC2430",
 145                  0x89: 2048, #"CC2431",
 146                  0x81: 1024, #"CC2510",
 147                  0x91: 1024, #"CC2511",
 148                  0xA5: 2048, #"CC2530", #page 52 of SWRU191
 149                  0xB5: 2048, #"CC2531",
 150                  0xFF: 0    } #"CCmissing"};
 151     def infostring(self):
 152         return self.CCidentstr();
 153     def CCidentstr(self):
 154         ident=self.CCident();
 155         chip=self.CCversions.get(ident&0xFF00);
 156         return "%s/r%02x" % (chip, ident&0xFF);
 157     def CCident(self):
 158         """Get a chipcon's ID."""
 159         self.writecmd(self.APP,0x8B,0,None);
 160         chip=ord(self.data[0]);
 161         rev=ord(self.data[1]);
 162         return (chip<<8)+rev;
 163     def CCpagesize(self):
 164         """Get a chipcon's ID."""
 165         self.writecmd(self.APP,0x8B,0,None);
 166         chip=ord(self.data[0]);
 167         size=self.CCpagesizes.get(chip);
 168         if(size<10):
 169             print "ERROR: Pagesize undefined.";
 170             print "chip=%02x" %chip;
 171             sys.exit(1);
 172             #return 2048;
 173         return size;
 174     def CCgetPC(self):
 175         """Get a chipcon's PC."""
 176         self.writecmd(self.APP,0x83,0,None);
 177         hi=ord(self.data[0]);
 178         lo=ord(self.data[1]);
 179         return (hi<<8)+lo;
 180     def CCcmd(self,phrase):
 181         self.writecmd(self.APP,0x00,len(phrase),phrase);
 182         val=ord(self.data[0]);
 183         print "Got %02x" % val;
 184         return val;
 185     def CCdebuginstr(self,instr):
 186         self.writecmd(self.APP,0x88,len(instr),instr);
 187         return ord(self.data[0]);
 188     def peek8(self,address, memory="code"):
 189         if(memory=="code" or memory=="flash" or memory=="vn"):
 190             return self.CCpeekcodebyte(address);
 191         elif(memory=="data" or memory=="xdata" or memory=="ram"):
 192             return self.CCpeekdatabyte(address);
 193         elif(memory=="idata" or memory=="iram"):
 194             return self.CCpeekirambyte(address);
 195         print "%s is an unknown memory." % memory;
 196         return 0xdead;
 197     def CCpeekcodebyte(self,adr):
 198         """Read the contents of code memory at an address."""
 199         self.data=[adr&0xff, (adr&0xff00)>>8];
 200         self.writecmd(self.APP,0x90,2,self.data);
 201         return ord(self.data[0]);
 202     def CCpeekdatabyte(self,adr):
 203         """Read the contents of data memory at an address."""
 204         self.data=[adr&0xff, (adr&0xff00)>>8];
 205         self.writecmd(self.APP,0x91, 2, self.data);
 206         return ord(self.data[0]);
 207     def CCpeekirambyte(self,adr):
 208         """Read the contents of IRAM at an address."""
 209         self.data=[adr&0xff];
 210         self.writecmd(self.APP,0x02, 1, self.data);
 211         return ord(self.data[0]);
 212     def CCpeekiramword(self,adr):
 213         """Read the little-endian contents of IRAM at an address."""
 214         return self.CCpeekirambyte(adr)+(
 215             self.CCpeekirambyte(adr+1)<<8);
 216     def CCpokeiramword(self,adr,val):
 217         self.CCpokeirambyte(adr,val&0xff);
 218         self.CCpokeirambyte(adr+1,(val>>8)&0xff);
 219     def CCpokeirambyte(self,adr,val):
 220         """Write the contents of IRAM at an address."""
 221         self.data=[adr&0xff, val&0xff];
 222         self.writecmd(self.APP,0x02, 2, self.data);
 223         return ord(self.data[0]);
 224
 225     def CCpokedatabyte(self,adr,val):
 226         """Write a byte to data memory."""
 227         self.data=[adr&0xff, (adr&0xff00)>>8, val];
 228         self.writecmd(self.APP, 0x92, 3, self.data);
 229         return ord(self.data[0]);
 230     def CCchiperase(self):
 231         """Erase all of the target's memory."""
 232         self.writecmd(self.APP,0x80,0,None);
 233     def erase(self):
 234         """Erase all of the target's memory."""
 235         self.CCchiperase();
 236
 237     def CCstatus(self):
 238         """Check the status."""
 239         self.writecmd(self.APP,0x84,0,None);
 240         return ord(self.data[0])
 241     #Same as CC2530
 242     CCstatusbits={0x80 : "erase_busy",
 243                   0x40 : "pcon_idle",
 244                   0x20 : "cpu_halted",
 245                   0x10 : "pm0",
 246                   0x08 : "halt_status",
 247                   0x04 : "locked",
 248                   0x02 : "oscstable",
 249                   0x01 : "overflow"
 250                   };
 251     CCconfigbits={0x20 : "soft_power_mode",   #new for CC2530
 252                   0x08 : "timers_off",
 253                   0x04 : "dma_pause",
 254                   0x02 : "timer_suspend",
 255                   0x01 : "sel_flash_info_page" #stricken from CC2530
 256                   };
 257
 258     def status(self):
 259         """Check the status as a string."""
 260         status=self.CCstatus();
 261         str="";
 262         i=1;
 263         while i<0x100:
 264             if(status&i):
 265                 str="%s %s" %(self.CCstatusbits[i],str);
 266             i*=2;
 267         return str;
 268     def start(self):
 269         """Start debugging."""
 270         self.setup();
 271         self.writecmd(self.APP,0x20,0,self.data);
 272         ident=self.CCidentstr();
 273         #print "Target identifies as %s." % ident;
 274         #print "Status: %s." % self.status();
 275         self.CCreleasecpu();
 276         self.CChaltcpu();
 277         #print "Status: %s." % self.status();
 278
 279     def stop(self):
 280         """Stop debugging."""
 281         self.writecmd(self.APP,0x21,0,self.data);
 282     def CCstep_instr(self):
 283         """Step one instruction."""
 284         self.writecmd(self.APP,0x89,0,self.data);
 285     def CCeraseflashbuffer(self):
 286         """Erase the 2kB flash buffer"""
 287         self.writecmd(self.APP,0x99);
 288     def CCflashpage(self,adr):
 289         """Flash 2kB a page of flash from 0xF000 in XDATA"""
 290         data=[adr&0xFF,
 291               (adr>>8)&0xFF,
 292               (adr>>16)&0xFF,
 293               (adr>>24)&0xFF];
 294         print "Flashing buffer to 0x%06x" % adr;
 295         self.writecmd(self.APP,0x95,4,data);
 296
 297     def flash(self,file):
 298         """Flash an intel hex file to code memory."""
 299         print "Flashing %s" % file;
 300
 301         h = IntelHex(file);
 302         page = 0x0000;
 303         pagelen = self.CCpagesize(); #Varies by chip.
 304
 305         #print "page=%04x, pagelen=%04x" % (page,pagelen);
 306
 307         bcount = 0;
 308
 309         #Wipe the RAM buffer for the next flash page.
 310         self.CCeraseflashbuffer();
 311         for i in h._buf.keys():
 312             while(i>=page+pagelen):
 313                 if bcount>0:
 314                     self.CCflashpage(page);
 315                     #client.CCeraseflashbuffer();
 316                     bcount=0;
 317                     print "Flashed page at %06x" % page
 318                 page+=pagelen;
 319
 320             #Place byte into buffer.
 321             self.CCpokedatabyte(0xF000+i-page,
 322                                 h[i]);
 323             bcount+=1;
 324             if(i%0x100==0):
 325                 print "Buffering %04x toward %06x" % (i,page);
 326         #last page
 327         self.CCflashpage(page);
 328         print "Flashed final page at %06x" % page;
 329