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 class GoodFETCC(GoodFET):
  15     """A GoodFET variant for use with Chipcon 8051 Zigbeema SoC."""
  16     APP=0x30;
  17
  18     def CChaltcpu(self):
  19         """Halt the CPU."""
  20         self.writecmd(0x30,0x86,0,self.data);
  21     def CCreleasecpu(self):
  22         """Resume the CPU."""
  23         self.writecmd(0x30,0x87,0,self.data);
  24     def test(self):
  25         self.CCreleasecpu();
  26         self.CChaltcpu();
  27         #print "Status: %s" % self.CCstatusstr();
  28
  29         #Grab ident three times, should be equal.
  30         ident1=self.CCident();
  31         ident2=self.CCident();
  32         ident3=self.CCident();
  33         if(ident1!=ident2 or ident2!=ident3):
  34             print "Error, repeated ident attempts unequal."
  35             print "%04x, %04x, %04x" % (ident1, ident2, ident3);
  36
  37         #Single step, printing PC.
  38         print "Tracing execution at startup."
  39         for i in range(1,15):
  40             pc=self.CCgetPC();
  41             byte=self.CCpeekcodebyte(i);
  42             #print "PC=%04x, %02x" % (pc, byte);
  43             self.CCstep_instr();
  44
  45         print "Verifying that debugging a NOP doesn't affect the PC."
  46         for i in range(1,15):
  47             pc=self.CCgetPC();
  48             self.CCdebuginstr([0x00]);
  49             if(pc!=self.CCgetPC()):
  50                 print "ERROR: PC changed during CCdebuginstr([NOP])!";
  51
  52         print "Checking pokes to XRAM."
  53         for i in range(0xf000,0xf020):
  54             self.CCpokedatabyte(i,0xde);
  55             if(self.CCpeekdatabyte(i)!=0xde):
  56                 print "Error in XDATA at 0x%04x" % i;
  57
  58         #print "Status: %s." % self.CCstatusstr();
  59         #Exit debugger
  60         self.stop();
  61         print "Done.";
  62
  63     def setup(self):
  64         """Move the FET into the CC2430/CC2530 application."""
  65         #print "Initializing Chipcon.";
  66         self.writecmd(0x30,0x10,0,self.data);
  67     def CCrd_config(self):
  68         """Read the config register of a Chipcon."""
  69         self.writecmd(0x30,0x82,0,self.data);
  70         return ord(self.data[0]);
  71     def CCwr_config(self,config):
  72         """Write the config register of a Chipcon."""
  73         self.writecmd(0x30,0x81,1,[config&0xFF]);
  74     def CClockchip(self):
  75         """Set the flash lock bit in info mem."""
  76         self.writecmd(0x30, 0x9A, 0, None);
  77     def lock(self):
  78         """Set the flash lock bit in info mem."""
  79         self.CClockchip();
  80
  81
  82     CCversions={0x0100:"CC1110",
  83                 0x8500:"CC2430",
  84                 0x8900:"CC2431",
  85                 0x8100:"CC2510",
  86                 0x9100:"CC2511",
  87                 0xA500:"CC2530", #page 52 of SWRU191
  88                 0xB500:"CC2531",
  89                 0xFF00:"CCmissing"};
  90     CCpagesizes={0x01: 1024, #"CC1110",
  91                  0x85: 2048, #"CC2430",
  92                  0x89: 2048, #"CC2431",
  93                  0x81: 1024, #"CC2510",
  94                  0x91: 1024, #"CC2511",
  95                  0xA5: 2048, #"CC2530", #page 52 of SWRU191
  96                  0xB5: 2048, #"CC2531",
  97                  0xFF: 0    } #"CCmissing"};
  98     def infostring(self):
  99         return self.CCidentstr();
 100     def CCidentstr(self):
 101         ident=self.CCident();
 102         chip=self.CCversions.get(ident&0xFF00);
 103         return "%s/r%02x" % (chip, ident&0xFF);
 104     def CCident(self):
 105         """Get a chipcon's ID."""
 106         self.writecmd(0x30,0x8B,0,None);
 107         chip=ord(self.data[0]);
 108         rev=ord(self.data[1]);
 109         return (chip<<8)+rev;
 110     def CCpagesize(self):
 111         """Get a chipcon's ID."""
 112         self.writecmd(0x30,0x8B,0,None);
 113         chip=ord(self.data[0]);
 114         size=self.CCpagesizes.get(chip);
 115         if(size<10):
 116             print "ERROR: Pagesize undefined.";
 117             print "chip=%02x" %chip;
 118             sys.exit(1);
 119             #return 2048;
 120         return size;
 121     def CCgetPC(self):
 122         """Get a chipcon's PC."""
 123         self.writecmd(0x30,0x83,0,None);
 124         hi=ord(self.data[0]);
 125         lo=ord(self.data[1]);
 126         return (hi<<8)+lo;
 127     def CCcmd(self,phrase):
 128         self.writecmd(0x30,0x00,len(phrase),phrase);
 129         val=ord(self.data[0]);
 130         print "Got %02x" % val;
 131         return val;
 132     def CCdebuginstr(self,instr):
 133         self.writecmd(0x30,0x88,len(instr),instr);
 134         return ord(self.data[0]);
 135     def peek8(self,address, memory="vn"):
 136         return self.CCpeekcodebyte(address);
 137
 138     def CCpeekcodebyte(self,adr):
 139         """Read the contents of code memory at an address."""
 140         self.data=[adr&0xff, (adr&0xff00)>>8];
 141         self.writecmd(0x30,0x90,2,self.data);
 142         return ord(self.data[0]);
 143     def CCpeekdatabyte(self,adr):
 144         """Read the contents of data memory at an address."""
 145         self.data=[adr&0xff, (adr&0xff00)>>8];
 146         self.writecmd(0x30,0x91, 2, self.data);
 147         return ord(self.data[0]);
 148     def CCpeekirambyte(self,adr):
 149         """Read the contents of IRAM at an address."""
 150         self.data=[adr&0xff];
 151         self.writecmd(0x30,0x02, 1, self.data);
 152         return ord(self.data[0]);
 153     def CCpeekiramword(self,adr):
 154         """Read the little-endian contents of IRAM at an address."""
 155         return self.CCpeekirambyte(adr)+(
 156             self.CCpeekirambyte(adr+1)<<8);
 157     def CCpokeiramword(self,adr,val):
 158         self.CCpokeirambyte(adr,val&0xff);
 159         self.CCpokeirambyte(adr+1,(val>>8)&0xff);
 160     def CCpokeirambyte(self,adr,val):
 161         """Write the contents of IRAM at an address."""
 162         self.data=[adr&0xff, val&0xff];
 163         self.writecmd(0x30,0x02, 2, self.data);
 164         return ord(self.data[0]);
 165
 166     def CCpokedatabyte(self,adr,val):
 167         """Write a byte to data memory."""
 168         self.data=[adr&0xff, (adr&0xff00)>>8, val];
 169         self.writecmd(0x30, 0x92, 3, self.data);
 170         return ord(self.data[0]);
 171     def CCchiperase(self):
 172         """Erase all of the target's memory."""
 173         self.writecmd(0x30,0x80,0,None);
 174     def erase(self):
 175         """Erase all of the target's memory."""
 176         self.CCchiperase();
 177
 178     def CCstatus(self):
 179         """Check the status."""
 180         self.writecmd(0x30,0x84,0,None);
 181         return ord(self.data[0])
 182     #Same as CC2530
 183     CCstatusbits={0x80 : "erase_busy",
 184                   0x40 : "pcon_idle",
 185                   0x20 : "cpu_halted",
 186                   0x10 : "pm0",
 187                   0x08 : "halt_status",
 188                   0x04 : "locked",
 189                   0x02 : "oscstable",
 190                   0x01 : "overflow"
 191                   };
 192     CCconfigbits={0x20 : "soft_power_mode",   #new for CC2530
 193                   0x08 : "timers_off",
 194                   0x04 : "dma_pause",
 195                   0x02 : "timer_suspend",
 196                   0x01 : "sel_flash_info_page" #stricken from CC2530
 197                   };
 198
 199     def status(self):
 200         """Check the status as a string."""
 201         status=self.CCstatus();
 202         str="";
 203         i=1;
 204         while i<0x100:
 205             if(status&i):
 206                 str="%s %s" %(self.CCstatusbits[i],str);
 207             i*=2;
 208         return str;
 209     def start(self):
 210         """Start debugging."""
 211         self.writecmd(0x30,0x20,0,self.data);
 212         ident=self.CCidentstr();
 213         #print "Target identifies as %s." % ident;
 214         #print "Status: %s." % self.status();
 215         self.CCreleasecpu();
 216         self.CChaltcpu();
 217         #print "Status: %s." % self.status();
 218
 219     def stop(self):
 220         """Stop debugging."""
 221         self.writecmd(0x30,0x21,0,self.data);
 222     def CCstep_instr(self):
 223         """Step one instruction."""
 224         self.writecmd(0x30,0x89,0,self.data);
 225     def CCeraseflashbuffer(self):
 226         """Erase the 2kB flash buffer"""
 227         self.writecmd(0x30,0x99);
 228     def CCflashpage(self,adr):
 229         """Flash 2kB a page of flash from 0xF000 in XDATA"""
 230         data=[adr&0xFF,
 231               (adr>>8)&0xFF,
 232               (adr>>16)&0xFF,
 233               (adr>>24)&0xFF];
 234         print "Flashing buffer to 0x%06x" % adr;
 235         self.writecmd(0x30,0x95,4,data);