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