return self.symbols.get(name);
def timeout(self):
print "timeout\n";
- def serInit(self, port=None, timeout=2):
+ def serInit(self, port=None, timeout=2, attemptlimit=None):
"""Open the serial port"""
# Make timeout None to wait forever, 0 for non-blocking mode.
glob_list = glob.glob("/dev/ttyUSB*");
if len(glob_list) > 0:
port = glob_list[0];
+ if port is None:
+ glob_list = glob.glob("/dev/ttyU0");
+ if len(glob_list) > 0:
+ port = glob_list[0];
if os.name=='nt':
from scanwin32 import winScan;
scan=winScan();
connected=0;
while connected==0:
while self.verb!=0x7F or self.data!="http://goodfet.sf.net/":
- #print "Resyncing.";
+ if attemptlimit is not None and attempts >= attemptlimit:
+ return
+ elif attempts>2:
+ print "Resyncing.";
self.serialport.flushInput()
self.serialport.flushOutput()
#Explicitly set RTS and DTR to halt board.
#TelosB reset, prefer software to I2C SPST Switch.
if(os.environ.get("platform")=='telosb'):
+ #print "TelosB Reset";
self.telosBReset();
#self.serialport.write(chr(0x80));
#self.serialport.write(chr(0x80));
break;
if self.verbose: print "Connected after %02i attempts." % attempts;
self.mon_connected();
+ self.serialport.setTimeout(12);
+ def serClose(self):
+ self.serialport.close();
def telosSetSCL(self, level):
self.serialport.setRTS(not level)
def telosSetSDA(self, level):
return self.data;
except TypeError:
if self.connected:
- print "Error: waiting for serial read timed out (most likely).";
- print "This shouldn't happen after syncing. Exiting for safety.";
- sys.exit(-1)
+ print "Warning: waiting for serial read timed out (most likely).";
+ #print "This shouldn't happen after syncing. Exiting for safety.";
+ #sys.exit(-1)
return self.data;
#Glitching stuff.
def glitchApp(self,app):
"""Time the execution of a verb."""
if data==None: data=[];
self.data=[app&0xff, verb&0xFF]+data;
+ print "Timing app %02x verb %02x." % (app,verb);
self.writecmd(self.GLITCHAPP,0x82,len(self.data),self.data);
- return ord(self.data[0])+(ord(self.data[1])<<8);
+ time=ord(self.data[0])+(ord(self.data[1])<<8);
+ print "Timed to be %i." % time;
+ return time;
def glitchVoltages(self,low=0x0880, high=0x0fff):
"""Set glitching voltages. (0x0fff is max.)"""
self.data=[low&0xff, (low>>8)&0xff,
"""Execute supplied code."""
self.writecmd(0,0x31,2,#len(code),
code);
- def peekbyte(self,address):
+ def MONpeek8(self,address):
"""Read a byte of memory from the monitor."""
self.data=[address&0xff,address>>8];
self.writecmd(0,0x02,2,self.data);
#self.readcmd();
return ord(self.data[0]);
- def peekword(self,address):
+ def MONpeek16(self,address):
"""Read a word of memory from the monitor."""
- return self.peekbyte(address)+(self.peekbyte(address+1)<<8);
+ return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
def peek(self,address):
"""Read a word of memory from the monitor."""
- return self.peekbyte(address)+(self.peekbyte(address+1)<<8);
- def pokebyte(self,address,value):
+ return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
+ def eeprompeek(self,address):
+ """Read a word of memory from the monitor."""
+ return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
+ def peekbysym(self,name):
+ """Read a value by its symbol name."""
+ #TODO include memory in symbol.
+ reg=self.symbols.get(name);
+ return self.peek8(reg,"data");
+ def pokebysym(self,name,val):
+ """Write a value by its symbol name."""
+ #TODO include memory in symbol.
+ reg=self.symbols.get(name);
+ return self.pokebyte(reg,val);
+ def pokebyte(self,address,value,memory="vn"):
"""Set a byte of memory by the monitor."""
self.data=[address&0xff,address>>8,value];
self.writecmd(0,0x03,3,self.data);
return ord(self.data[0]);
+ def poke16(self,address,value):
+ """Set a word of memory by the monitor."""
+ self.pokebyte(address,value&0xFF);
+ self.pokebyte(address,(value>>8)&0xFF);
+ return value;
+ def setsecret(self,value):
+ """Set a secret word for later retreival. Used by glitcher."""
+ self.eeprompoke(0,value);
+ self.eeprompoke(1,value);
+ def getsecret(self):
+ """Get a secret word. Used by glitcher."""
+ self.eeprompeek(0);
+
def dumpmem(self,begin,end):
i=begin;
while i<end:
- print "%04x %04x" % (i, self.peekword(i));
+ print "%04x %04x" % (i, self.MONpeek16(i));
i+=2;
def monitor_ram_pattern(self):
"""Overwrite all of RAM with 0xBEEF."""
print "Performing monitor self-test.";
self.monitorclocking();
for f in range(0,3000):
- a=self.peekword(0x0c00);
- b=self.peekword(0x0c02);
+ a=self.MONpeek16(0x0c00);
+ b=self.MONpeek16(0x0c02);
if a!=0x0c04 and a!=0x0c06:
print "ERROR Fetched %04x, %04x" % (a,b);
self.pokebyte(0x0021,0); #Drop LED
- if self.peekbyte(0x0021)!=0:
+ if self.MONpeek8(0x0021)!=0:
print "ERROR, P1OUT not cleared.";
self.pokebyte(0x0021,1); #Light LED
if not self.monitorecho():
if self.verbose: print "Comm error recognized by monitorecho().";
return 0;
return 1;
- def monitorclocking(self):
- DCOCTL=self.peekbyte(0x0056);
- BCSCTL1=self.peekbyte(0x0057);
- return "0x%02x, 0x%02x" % (DCOCTL, BCSCTL1);
+ def monitor_info(self):
+ print "GoodFET with %s MCU" % self.infostring();
+ print "Clocked at %s" % self.monitorclocking();
+ return 1;
+
+ def monitor_list_apps(self, full=False):
+ self.monitor_info()
+ old_value = self.besilent
+ self.besilent = True # turn off automatic call to readcmd
+ self.writecmd(self.MONITORAPP, 0x82, 1, [int(full)]);
+ self.besilent = old_value
+
+ # read the build date string
+ self.readcmd()
+ print "Build Date: %s" % self.data
+ print "Firmware apps:"
+ while True:
+ self.readcmd()
+ if self.count == 0:
+ break
+ print self.data
+ return 1;
+
+ def monitorclocking(self):
+ """Return the 16-bit clocking value."""
+ return "0x%04x" % self.monitorgetclock();
+
+ def monitorsetclock(self,clock):
+ """Set the clocking value."""
+ self.MONpoke16(0x56, clock);
+ def monitorgetclock(self):
+ """Get the clocking value."""
+ return self.MONpeek16(0x56);
# The following functions ought to be implemented in
# every client.
-
+
def infostring(self):
- a=self.peekbyte(0xff0);
- b=self.peekbyte(0xff1);
+ a=self.MONpeek8(0xff0);
+ b=self.MONpeek8(0xff1);
return "%02x%02x" % (a,b);
def lock(self):
print "Locking Unsupported.";
"""Dump an intel hex file from code memory."""
print "Dump not implemented.";
def peek32(self,address, memory="vn"):
+ """Peek 32 bits."""
return (self.peek16(address,memory)+
(self.peek16(address+2,memory)<<16));
def peek16(self,address, memory="vn"):
+ """Peek 16 bits of memory."""
return (self.peek8(address,memory)+
(self.peek8(address+1,memory)<<8));
def peek8(self,address, memory="vn"):
- return self.peekbyte(address); #monitor
- def peekword(self,address, memory="vn"):
- return self.peek(address); #monitor
-
+ """Peek a byte of memory."""
+ return self.MONpeek8(address); #monitor
+ def peekblock(self,address,length,memory="vn"):
+ """Return a block of data."""
+ data=range(0,length);
+ for foo in range(0,length):
+ data[foo]=self.peek8(address+foo,memory);
+ return data;
+ def pokeblock(self,address,bytes,memory="vn"):
+ """Poke a block of a data into memory at an address."""
+ for foo in bytes:
+ self.pokebyte(address,foo,memory);
+ address=address+1;
+ return;
def loadsymbols(self):
+ """Load symbols from a file."""
return;
projects / goodfet / blobdiff