git.rot13.org Git - goodfet/blob - client/GoodFET/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 CChaltcpu(self):
  67         """Halt the CPU."""
  68         self.writecmd(self.APP,0x86,0,self.data);
  69     def CCreleasecpu(self):
  70         """Resume the CPU."""
  71         self.writecmd(self.APP,0x87,0,self.data);
  72     def test(self):
  73         self.CCreleasecpu();
  74         self.CChaltcpu();
  75         #print "Status: %s" % self.CCstatusstr();
  76
  77         #Grab ident three times, should be equal.
  78         ident1=self.CCident();
  79         ident2=self.CCident();
  80         ident3=self.CCident();
  81         if(ident1!=ident2 or ident2!=ident3):
  82             print "Error, repeated ident attempts unequal."
  83             print "%04x, %04x, %04x" % (ident1, ident2, ident3);
  84
  85         #Single step, printing PC.
  86         print "Tracing execution at startup."
  87         for i in range(1,15):
  88             pc=self.CCgetPC();
  89             byte=self.CCpeekcodebyte(i);
  90             #print "PC=%04x, %02x" % (pc, byte);
  91             self.CCstep_instr();
  92
  93         print "Verifying that debugging a NOP doesn't affect the PC."
  94         for i in range(1,15):
  95             pc=self.CCgetPC();
  96             self.CCdebuginstr([0x00]);
  97             if(pc!=self.CCgetPC()):
  98                 print "ERROR: PC changed during CCdebuginstr([NOP])!";
  99
 100         print "Checking pokes to XRAM."
 101         for i in range(0xf000,0xf020):
 102             self.CCpokedatabyte(i,0xde);
 103             if(self.CCpeekdatabyte(i)!=0xde):
 104                 print "Error in XDATA at 0x%04x" % i;
 105
 106         #print "Status: %s." % self.CCstatusstr();
 107         #Exit debugger
 108         self.stop();
 109         print "Done.";
 110
 111     def setup(self):
 112         """Move the FET into the CC2430/CC2530 application."""
 113         #print "Initializing Chipcon.";
 114         self.writecmd(self.APP,0x10,0,self.data);
 115     def CCrd_config(self):
 116         """Read the config register of a Chipcon."""
 117         self.writecmd(self.APP,0x82,0,self.data);
 118         return ord(self.data[0]);
 119     def CCwr_config(self,config):
 120         """Write the config register of a Chipcon."""
 121         self.writecmd(self.APP,0x81,1,[config&0xFF]);
 122     def CClockchip(self):
 123         """Set the flash lock bit in info mem."""
 124         self.writecmd(self.APP, 0x9A, 0, None);
 125     def lock(self):
 126         """Set the flash lock bit in info mem."""
 127         self.CClockchip();
 128
 129
 130     CCversions={0x0100:"cc1110",
 131                 0x8500:"cc2430",
 132                 0x8900:"cc2431",
 133                 0x8100:"cc2510",
 134                 0x9100:"cc2511",
 135                 0xA500:"cc2530", #page 52 of SWRU191
 136                 0xB500:"cc2531",
 137                 0xFF00:"CCmissing"};
 138     CCpagesizes={0x01: 1024, #"CC1110",
 139                  0x85: 2048, #"CC2430",
 140                  0x89: 2048, #"CC2431",
 141                  0x81: 1024, #"CC2510",
 142                  0x91: 1024, #"CC2511",
 143                  0xA5: 2048, #"CC2530", #page 52 of SWRU191
 144                  0xB5: 2048, #"CC2531",
 145                  0xFF: 0    } #"CCmissing"};
 146     def infostring(self):
 147         return self.CCidentstr();
 148     def CCidentstr(self):
 149         ident=self.CCident();
 150         chip=self.CCversions.get(ident&0xFF00);
 151         return "%s/r%02x" % (chip, ident&0xFF);
 152     def CCident(self):
 153         """Get a chipcon's ID."""
 154         self.writecmd(self.APP,0x8B,0,None);
 155         chip=ord(self.data[0]);
 156         rev=ord(self.data[1]);
 157         return (chip<<8)+rev;
 158     def CCpagesize(self):
 159         """Get a chipcon's ID."""
 160         self.writecmd(self.APP,0x8B,0,None);
 161         chip=ord(self.data[0]);
 162         size=self.CCpagesizes.get(chip);
 163         if(size<10):
 164             print "ERROR: Pagesize undefined.";
 165             print "chip=%02x" %chip;
 166             sys.exit(1);
 167             #return 2048;
 168         return size;
 169     def CCgetPC(self):
 170         """Get a chipcon's PC."""
 171         self.writecmd(self.APP,0x83,0,None);
 172         hi=ord(self.data[0]);
 173         lo=ord(self.data[1]);
 174         return (hi<<8)+lo;
 175     def CCcmd(self,phrase):
 176         self.writecmd(self.APP,0x00,len(phrase),phrase);
 177         val=ord(self.data[0]);
 178         print "Got %02x" % val;
 179         return val;
 180     def CCdebuginstr(self,instr):
 181         self.writecmd(self.APP,0x88,len(instr),instr);
 182         return ord(self.data[0]);
 183     def peek8(self,address, memory="code"):
 184         if(memory=="code" or memory=="flash" or memory=="vn"):
 185             return self.CCpeekcodebyte(address);
 186         elif(memory=="data" or memory=="xdata" or memory=="ram"):
 187             return self.CCpeekdatabyte(address);
 188         elif(memory=="idata" or memory=="iram"):
 189             return self.CCpeekirambyte(address);
 190         print "%s is an unknown memory." % memory;
 191         return 0xdead;
 192     def CCpeekcodebyte(self,adr):
 193         """Read the contents of code memory at an address."""
 194         self.data=[adr&0xff, (adr&0xff00)>>8];
 195         self.writecmd(self.APP,0x90,2,self.data);
 196         return ord(self.data[0]);
 197     def CCpeekdatabyte(self,adr):
 198         """Read the contents of data memory at an address."""
 199         self.data=[adr&0xff, (adr&0xff00)>>8];
 200         self.writecmd(self.APP,0x91, 2, self.data);
 201         return ord(self.data[0]);
 202     def CCpeekirambyte(self,adr):
 203         """Read the contents of IRAM at an address."""
 204         self.data=[adr&0xff];
 205         self.writecmd(self.APP,0x02, 1, self.data);
 206         return ord(self.data[0]);
 207     def CCpeekiramword(self,adr):
 208         """Read the little-endian contents of IRAM at an address."""
 209         return self.CCpeekirambyte(adr)+(
 210             self.CCpeekirambyte(adr+1)<<8);
 211     def CCpokeiramword(self,adr,val):
 212         self.CCpokeirambyte(adr,val&0xff);
 213         self.CCpokeirambyte(adr+1,(val>>8)&0xff);
 214     def CCpokeirambyte(self,adr,val):
 215         """Write the contents of IRAM at an address."""
 216         self.data=[adr&0xff, val&0xff];
 217         self.writecmd(self.APP,0x02, 2, self.data);
 218         return ord(self.data[0]);
 219
 220     def CCpokedatabyte(self,adr,val):
 221         """Write a byte to data memory."""
 222         self.data=[adr&0xff, (adr&0xff00)>>8, val];
 223         self.writecmd(self.APP, 0x92, 3, self.data);
 224         return ord(self.data[0]);
 225     def CCchiperase(self):
 226         """Erase all of the target's memory."""
 227         self.writecmd(self.APP,0x80,0,None);
 228     def erase(self):
 229         """Erase all of the target's memory."""
 230         self.CCchiperase();
 231
 232     def CCstatus(self):
 233         """Check the status."""
 234         self.writecmd(self.APP,0x84,0,None);
 235         return ord(self.data[0])
 236     #Same as CC2530
 237     CCstatusbits={0x80 : "erase_busy",
 238                   0x40 : "pcon_idle",
 239                   0x20 : "cpu_halted",
 240                   0x10 : "pm0",
 241                   0x08 : "halt_status",
 242                   0x04 : "locked",
 243                   0x02 : "oscstable",
 244                   0x01 : "overflow"
 245                   };
 246     CCconfigbits={0x20 : "soft_power_mode",   #new for CC2530
 247                   0x08 : "timers_off",
 248                   0x04 : "dma_pause",
 249                   0x02 : "timer_suspend",
 250                   0x01 : "sel_flash_info_page" #stricken from CC2530
 251                   };
 252
 253     def status(self):
 254         """Check the status as a string."""
 255         status=self.CCstatus();
 256         str="";
 257         i=1;
 258         while i<0x100:
 259             if(status&i):
 260                 str="%s %s" %(self.CCstatusbits[i],str);
 261             i*=2;
 262         return str;
 263     def start(self):
 264         """Start debugging."""
 265         self.setup();
 266         self.writecmd(self.APP,0x20,0,self.data);
 267         ident=self.CCidentstr();
 268         #print "Target identifies as %s." % ident;
 269         #print "Status: %s." % self.status();
 270         self.CCreleasecpu();
 271         self.CChaltcpu();
 272         #print "Status: %s." % self.status();
 273
 274     def stop(self):
 275         """Stop debugging."""
 276         self.writecmd(self.APP,0x21,0,self.data);
 277     def CCstep_instr(self):
 278         """Step one instruction."""
 279         self.writecmd(self.APP,0x89,0,self.data);
 280     def CCeraseflashbuffer(self):
 281         """Erase the 2kB flash buffer"""
 282         self.writecmd(self.APP,0x99);
 283     def CCflashpage(self,adr):
 284         """Flash 2kB a page of flash from 0xF000 in XDATA"""
 285         data=[adr&0xFF,
 286               (adr>>8)&0xFF,
 287               (adr>>16)&0xFF,
 288               (adr>>24)&0xFF];
 289         print "Flashing buffer to 0x%06x" % adr;
 290         self.writecmd(self.APP,0x95,4,data);
 291
 292     def flash(self,file):
 293         """Flash an intel hex file to code memory."""
 294         print "Flashing %s" % file;
 295
 296         h = IntelHex(file);
 297         page = 0x0000;
 298         pagelen = self.CCpagesize(); #Varies by chip.
 299
 300         #print "page=%04x, pagelen=%04x" % (page,pagelen);
 301
 302         bcount = 0;
 303
 304         #Wipe the RAM buffer for the next flash page.
 305         self.CCeraseflashbuffer();
 306         for i in h._buf.keys():
 307             while(i>=page+pagelen):
 308                 if bcount>0:
 309                     self.CCflashpage(page);
 310                     #client.CCeraseflashbuffer();
 311                     bcount=0;
 312                     print "Flashed page at %06x" % page
 313                 page+=pagelen;
 314
 315             #Place byte into buffer.
 316             self.CCpokedatabyte(0xF000+i-page,
 317                                 h[i]);
 318             bcount+=1;
 319             if(i%0x100==0):
 320                 print "Buffering %04x toward %06x" % (i,page);
 321         #last page
 322         self.CCflashpage(page);
 323         print "Flashed final page at %06x" % page;
 324