class GoodFET:
def __init__(self, *args, **kargs):
- print "inited\n";
self.data=[0];
def timeout(self):
print "timout\n";
"""Open the serial port"""
self.serialport = serial.Serial(
port,
- 9600,
+ #9600,
+ 115200,
parity = serial.PARITY_NONE
)
#Drop DTR, which is !RST, low to begin the app.
self.serialport.flushOutput()
#Read and handle the initial command.
- time.sleep(1);
+ #time.sleep(1);
self.readcmd(); #Read the first command.
if(self.verb!=0x7F):
print "Verb is wrong. Incorrect firmware?";
-
def writecmd(self, app, verb, count, data):
"""Write a command and some data to the GoodFET."""
self.serialport.write(chr(app));
self.data=[address&0xff,address>>8,value];
self.writecmd(0,0x03,3,self.data);
return ord(self.data[0]);
-
+ def setBaud(self,baud):
+ rates=[9600, 9600, 19200, 38400];
+ self.data=[baud];
+ print "Changing FET baud."
+ self.serialport.write(chr(0x00));
+ self.serialport.write(chr(0x80));
+ self.serialport.write(chr(1));
+ self.serialport.write(chr(baud));
+
+ print "Changed host baud."
+ self.serialport.setBaudrate(rates[baud]);
+ time.sleep(1);
+ self.serialport.flushInput()
+ self.serialport.flushOutput()
+
+ print "Baud is now %i." % rates[baud];
+ return;
def monitortest(self):
"""Self-test several functions through the monitor."""
print "Performing monitor self-test.";
def spisetup(self):
"""Moved the FET into the SPI application."""
- print "Initializing SPI.";
self.writecmd(1,0x10,0,self.data); #SPI/SETUP
#self.readcmd();
def spitrans8(self,byte):
"""Move the FET into the MSP430 JTAG application."""
print "Initializing MSP430.";
self.writecmd(0x11,0x10,0,self.data);
+ def CCsetup(self):
+ """Move the FET into the CC2430/CC2530 application."""
+ print "Initializing Chipcon.";
+ self.writecmd(0x30,0x10,0,self.data);
+ def CCrd_config(self):
+ """Read the config register of a Chipcon."""
+ self.writecmd(0x30,0x82,0,self.data);
+ return ord(self.data[0]);
+ def CCwr_config(self,config):
+ """Write the config register of a Chipcon."""
+ self.writecmd(0x30,0x81,1,[config&0xFF]);
+
+ CCversions={0x0100:"CC1110",
+ 0x8500:"CC2430",
+ 0x8900:"CC2431",
+ 0x8100:"CC2510",
+ 0x9100:"CC2511"};
+ def CCidentstr(self):
+ ident=self.CCident();
+ chip=self.CCversions[ident&0xFF00];
+ return "%s/r%02x" % (chip, ident&0xFF);
+ def CCident(self):
+ """Get a chipcon's ID."""
+ self.writecmd(0x30,0x8B,0,None);
+ chip=ord(self.data[0]);
+ rev=ord(self.data[1]);
+ return (chip<<8)+rev;
+ def CCgetPC(self):
+ """Get a chipcon's PC."""
+ self.writecmd(0x30,0x83,0,None);
+ hi=ord(self.data[0]);
+ lo=ord(self.data[1]);
+ return (hi<<8)+lo;
def MSP430peek(self,adr):
"""Read the contents of memory at an address."""
self.data=[adr&0xff, (adr&0xff00)>>8];
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 CCstart(self):
+ """Start debugging."""
+ self.writecmd(0x30,0x20,0,self.data);
+ ident=self.CCidentstr();
+ print "Target identifies as %s." % ident;
+ def CCstop(self):
+ """Stop debugging."""
+ self.writecmd(0x30,0x21,0,self.data);
+ def CCstep_instr(self):
+ """Step one instruction."""
+ self.writecmd(0x30,0x89,0,self.data);
+ 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);
"""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."""
- self.MSP430setup();
- self.MSP430start();
- self.MSP430haltcpu();
-
- ident=self.MSP430peek(0x0ff0);
- print "Target identifies as %04x." % ident;
- if ident==0xffff:
+ 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.";
- exit;
+ return;
self.MSP430poke(0x0200,temp); #restore old value.
- self.MSP430releasecpu();
-
+ 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):
- i=0xC00;
- while i<0x1000:
+ 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):
+ #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):
+ print "PC=%04x" % self.CCgetPC();
+ self.CCstep_instr();
+ #Exit debugger
+ self.CCstop();
+ print "Done.";
projects / goodfet / blobdiff