#
# (C) 2009 Travis Goodspeed <travis at radiantmachines.com>
#
-# This code is ugly as sin, for bootstrapping the firmware only.
-# Rewrite cleanly as soon as is convenient.
+# This code is being rewritten and refactored. You've been warned!
import sys, time, string, cStringIO, struct, glob, serial, os;
"""Write bytes by I2C."""
self.writecmd(0x02,0x01,len(bytes),bytes); #SPI/SETUP
return ord(self.data[0]);
-
-class GoodFETMSP430(GoodFET):
- def MSP430setup(self):
- """Move the FET into the MSP430 JTAG application."""
- print "Initializing MSP430.";
- self.writecmd(0x11,0x10,0,self.data);
- def MSP430stop(self):
- """Stop debugging."""
- self.writecmd(0x11,0x21,0,self.data);
-
- def MSP430peek(self,adr):
- """Read the contents of memory at an address."""
- self.data=[adr&0xff, (adr&0xff00)>>8];
- self.writecmd(0x11,0x02,2,self.data);
- return ord(self.data[0])+(ord(self.data[1])<<8);
- def MSP430poke(self,adr,val):
- """Read the contents of memory at an address."""
- self.data=[adr&0xff, (adr&0xff00)>>8, val&0xff, (val&0xff00)>>8];
- self.writecmd(0x11,0x03,4,self.data);
- return;# ord(self.data[0])+(ord(self.data[1])<<8);
- def MSP430start(self):
- """Start debugging."""
- self.writecmd(0x11,0x20,0,self.data);
- ident=self.MSP430ident();
- print "Target identifies as %04x." % ident;
-
- 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 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;
class GoodFETSPI(GoodFET):
def SPIsetup(self):
"""Move the FET into the SPI application."""
if device==0:
device="???"
return "%s %s" % (man,device);
+
class GoodFETCC(GoodFET):
"""A GoodFET variant for use with Chipcon 8051 Zigbe SoC."""
def CChaltcpu(self):
--- /dev/null
+#!/usr/bin/env python
+# GoodFET Client Library
+#
+# (C) 2009 Travis Goodspeed <travis at radiantmachines.com>
+#
+# Presently being rewritten.
+
+import sys, time, string, cStringIO, struct, glob, serial, os;
+
+from GoodFET import GoodFET;
+
+class GoodFETMSP430(GoodFET):
+ MSP430APP=0x11; #Changed by inheritors.
+ def MSP430setup(self):
+ """Move the FET into the MSP430 JTAG application."""
+ print "Initializing MSP430.";
+ self.writecmd(0x11,0x10,0,self.data);
+ def MSP430stop(self):
+ """Stop debugging."""
+ self.writecmd(self.MSP430APP,0x21,0,self.data);
+
+ def MSP430peek(self,adr):
+ """Read the contents of memory at an address."""
+ self.data=[adr&0xff, (adr&0xff00)>>8];
+ self.writecmd(self.MSP430APP,0x02,2,self.data);
+ return ord(self.data[0])+(ord(self.data[1])<<8);
+ def MSP430poke(self,adr,val):
+ """Read the contents of memory at an address."""
+ self.data=[adr&0xff, (adr&0xff00)>>8, val&0xff, (val&0xff00)>>8];
+ self.writecmd(self.MSP430APP,0x03,4,self.data);
+ return;# ord(self.data[0])+(ord(self.data[1])<<8);
+ def MSP430start(self):
+ """Start debugging."""
+ self.writecmd(self.MSP430APP,0x20,0,self.data);
+ ident=self.MSP430ident();
+ print "Target identifies as %04x." % ident;
+
+ def MSP430haltcpu(self):
+ """Halt the CPU."""
+ self.writecmd(self.MSP430APP,0xA0,0,self.data);
+ def MSP430releasecpu(self):
+ """Resume the CPU."""
+ self.writecmd(self.MSP430APP,0xA1,0,self.data);
+ def MSP430shiftir8(self,ins):
+ """Shift the 8-bit Instruction Register."""
+ data=[ins];
+ self.writecmd(self.MSP430APP,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(self.MSP430APP,0x81,2,data);
+ return ord(self.data[0])#+(ord(self.data[1])<<8);
+ def MSP430setinstrfetch(self):
+ """Set the instruction fetch mode."""
+ self.writecmd(self.MSP430APP,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(self.MSP430APP,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(self.MSP430APP,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;