- def MSP430stop(self):
- """Stop debugging."""
- self.writecmd(0x11,0x21,0,self.data);
- def MSP430haltcpu(self):
- """Halt the CPU."""
- self.writecmd(0x11,0xA0,0,self.data);
- def MSP430releasecpu(self):
- """Resume the CPU."""
- self.writecmd(0x11,0xA1,0,self.data);
- def CChaltcpu(self):
- """Halt the CPU."""
- self.writecmd(0x30,0x86,0,self.data);
- def CCreleasecpu(self):
- """Resume the CPU."""
- self.writecmd(0x30,0x87,0,self.data);
- def MSP430shiftir8(self,ins):
- """Shift the 8-bit Instruction Register."""
- data=[ins];
- self.writecmd(0x11,0x80,1,data);
- return ord(self.data[0]);
- def MSP430shiftdr16(self,dat):
- """Shift the 16-bit Data Register."""
- data=[dat&0xFF,(dat&0xFF00)>>8];
- self.writecmd(0x11,0x81,2,data);
- return ord(self.data[0])#+(ord(self.data[1])<<8);
- def MSP430setinstrfetch(self):
- """Set the instruction fetch mode."""
- self.writecmd(0x11,0xC1,0,self.data);
- return self.data[0];
- def MSP430ident(self):
- """Grab self-identification word from 0x0FF0 as big endian."""
- i=self.MSP430peek(0x0ff0);
- return ((i&0xFF00)>>8)+((i&0xFF)<<8)
- def MSP430test(self):
- """Test MSP430 JTAG. Requires that a chip be attached."""
- if self.MSP430ident()==0xffff:
- print "Is anything connected?";
- print "Testing RAM.";
- temp=self.MSP430peek(0x0200);
- self.MSP430poke(0x0200,0xdead);
- if(self.MSP430peek(0x0200)!=0xdead):
- print "Poke of 0x0200 did not set to 0xDEAD properly.";
- return;
- self.MSP430poke(0x0200,temp); #restore old value.
- def MSP430flashtest(self):
- self.MSP430masserase();
- i=0x2500;
- while(i<0xFFFF):
- if(self.MSP430peek(i)!=0xFFFF):
- print "ERROR: Unerased flash at %04x."%i;
- self.MSP430writeflash(i,0xDEAD);
- i+=2;
- def MSP430masserase(self):
- """Erase MSP430 flash memory."""
- self.writecmd(0x11,0xE3,0,None);
- def MSP430writeflash(self,adr,val):
- """Write a word of flash memory."""
- if(self.MSP430peek(adr)!=0xFFFF):
- print "FLASH ERROR: %04x not clear." % adr;
- data=[adr&0xFF,(adr&0xFF00)>>8,val&0xFF,(val&0xFF00)>>8];
- self.writecmd(0x11,0xE1,4,data);
- rval=ord(self.data[0])+(ord(self.data[1])<<8);
- if(val!=rval):
- print "FLASH WRITE ERROR AT %04x. Found %04x, wrote %04x." % (adr,rval,val);
-
- def MSP430dumpbsl(self):
- self.MSP430dumpmem(0xC00,0xfff);
- def MSP430dumpallmem(self):
- self.MSP430dumpmem(0x200,0xffff);
- def MSP430dumpmem(self,begin,end):
- i=begin;
- while i<end:
- print "%04x %04x" % (i, self.MSP430peek(i));
- i+=2;
- def CCtest(self):
- self.CCreleasecpu();
- self.CChaltcpu();
- print "Status: %s" % self.CCstatusstr();
-
- #Grab ident three times, should be equal.
- ident1=self.CCident();
- ident2=self.CCident();
- ident3=self.CCident();
- if(ident1!=ident2 or ident2!=ident3):
- print "Error, repeated ident attempts unequal."
- print "%04x, %04x, %04x" % (ident1, ident2, ident3);
-
- #Single step, printing PC.
- #print "Tracing execution at startup."
- for i in range(1,15):
- pc=self.CCgetPC();
- byte=self.CCpeekcodebyte(i);
- print "PC=%04x, %02x" % (pc, byte);
- self.CCstep_instr();
-
- #print "Verifying that debugging a NOP doesn't affect the PC."
- for i in range(1,15):
- pc=self.CCgetPC();
- self.CCdebuginstr([0x00]);
- if(pc!=self.CCgetPC()):
- print "ERROR: PC changed during CCdebuginstr([NOP])!";
- for i in range(0xE500,0xE600):
- byte=self.CCpeekdatabyte(i);
- print "data %04x: %02x" % (i,byte);
- self.CCpokedatabyte(i,i&0xFF);
- byte=self.CCpeekdatabyte(i);
- print "data %04x: %02x" % (i,byte);
- print "Status: %s." % self.CCstatusstr();
- #Exit debugger
- self.CCstop();
- print "Done.";