2 # GoodFET Client Library
4 # (C) 2009 Travis Goodspeed <travis at radiantmachines.com>
6 # This code is being rewritten and refactored. You've been warned!
8 import sys, time, string, cStringIO, struct, glob, serial, os;
11 fmt = ("B", "<H", None, "<L")
13 def getClient(name="GoodFET"):
14 import GoodFET, GoodFETCC, GoodFETAVR, GoodFETSPI, GoodFETMSP430, GoodFETNRF;
15 if(name=="GoodFET" or name=="monitor"): return GoodFET.GoodFET();
16 elif name=="cc" or name=="cc51": return GoodFETCC.GoodFETCC();
17 elif name=="cc2420" or name=="ccspi": return GoodFETCC.GoodFETCC();
18 elif name=="avr": return GoodFETAVR.GoodFETAVR();
19 elif name=="spi": return GoodFETSPI.GoodFETSPI();
20 elif name=="msp430": return GoodFETMSP430.GoodFETMSP430();
21 elif name=="nrf": return GoodFETNRF.GoodFETNRF();
23 print "Unsupported target: %s" % name;
27 """GoodFET Symbol Table"""
28 db=sqlite3.connect(":memory:");
30 def __init__(self, *args, **kargs):
31 self.db.execute("create table if not exists symbols(adr,name,memory,size,comment);");
36 c.execute("select adr,memory from symbols where name=?",(name,));
42 except:# sqlite3.OperationalError:
46 def define(self,adr,name,comment="",memory="vn",size=16):
47 self.db.execute("insert into symbols(adr,name,memory,size,comment)"
48 "values(?,?,?,?,?);", (
49 adr,name,memory,size,comment));
50 #print "Set %s=%s." % (name,adr);
53 """GoodFET Client Library"""
64 symbols=SymbolTable();
66 def __init__(self, *args, **kargs):
69 from GoodFETConsole import GoodFETConsole;
70 return GoodFETConsole(self);
71 def name2adr(self,name):
72 return self.symbols.get(name);
75 def serInit(self, port=None, timeout=2):
76 """Open the serial port"""
77 # Make timeout None to wait forever, 0 for non-blocking mode.
79 if port is None and os.environ.get("GOODFET")!=None:
80 glob_list = glob.glob(os.environ.get("GOODFET"));
81 if len(glob_list) > 0:
84 port = os.environ.get("GOODFET");
86 glob_list = glob.glob("/dev/tty.usbserial*");
87 if len(glob_list) > 0:
90 glob_list = glob.glob("/dev/ttyUSB*");
91 if len(glob_list) > 0:
94 glob_list = glob.glob("/dev/ttyU0");
95 if len(glob_list) > 0:
98 from scanwin32 import winScan;
100 for order,comport,desc,hwid in sorted(scan.comports()):
102 if hwid.index('FTDI')==0:
104 #print "Using FTDI port %s" % port
109 self.serialport = serial.Serial(
113 parity = serial.PARITY_NONE,
121 while self.verb!=0x7F or self.data!="http://goodfet.sf.net/":
124 self.serialport.flushInput()
125 self.serialport.flushOutput()
126 #Explicitly set RTS and DTR to halt board.
127 self.serialport.setRTS(1);
128 self.serialport.setDTR(1);
129 #Drop DTR, which is !RST, low to begin the app.
130 self.serialport.setDTR(0);
132 #TelosB reset, prefer software to I2C SPST Switch.
133 if(os.environ.get("platform")=='telosb'):
134 #print "TelosB Reset";
136 #self.serialport.write(chr(0x80));
137 #self.serialport.write(chr(0x80));
138 #self.serialport.write(chr(0x80));
139 #self.serialport.write(chr(0x80));
142 self.serialport.flushInput()
143 self.serialport.flushOutput()
146 self.readcmd(); #Read the first command.
147 #Here we have a connection, but maybe not a good one.
149 olds=self.infostring();
150 clocking=self.monitorclocking();
151 for foo in range(1,30):
152 if not self.monitorecho():
153 if self.verbose: print "Comm error on %i try, resyncing out of %s." % (foo,
157 if self.verbose: print "Connected after %02i attempts." % attempts;
158 self.mon_connected();
159 self.serialport.setTimeout(12);
160 def telosSetSCL(self, level):
161 self.serialport.setRTS(not level)
162 def telosSetSDA(self, level):
163 self.serialport.setDTR(not level)
165 def telosI2CStart(self):
170 def telosI2CStop(self):
175 def telosI2CWriteBit(self, bit):
177 self.telosSetSDA(bit)
183 def telosI2CWriteByte(self, byte):
184 self.telosI2CWriteBit( byte & 0x80 );
185 self.telosI2CWriteBit( byte & 0x40 );
186 self.telosI2CWriteBit( byte & 0x20 );
187 self.telosI2CWriteBit( byte & 0x10 );
188 self.telosI2CWriteBit( byte & 0x08 );
189 self.telosI2CWriteBit( byte & 0x04 );
190 self.telosI2CWriteBit( byte & 0x02 );
191 self.telosI2CWriteBit( byte & 0x01 );
192 self.telosI2CWriteBit( 0 ); # "acknowledge"
194 def telosI2CWriteCmd(self, addr, cmdbyte):
196 self.telosI2CWriteByte( 0x90 | (addr << 1) )
197 self.telosI2CWriteByte( cmdbyte )
200 def telosBReset(self,invokeBSL=0):
201 # "BSL entry sequence at dedicated JTAG pins"
202 # rst !s0: 0 0 0 0 1 1
203 # tck !s1: 1 0 1 0 0 1
206 # "BSL entry sequence at shared JTAG pins"
207 # rst !s0: 0 0 0 0 1 1
208 # tck !s1: 0 1 0 1 1 0
212 self.telosI2CWriteCmd(0,1)
213 self.telosI2CWriteCmd(0,3)
214 self.telosI2CWriteCmd(0,1)
215 self.telosI2CWriteCmd(0,3)
216 self.telosI2CWriteCmd(0,2)
217 self.telosI2CWriteCmd(0,0)
219 self.telosI2CWriteCmd(0,3)
220 self.telosI2CWriteCmd(0,2)
222 # This line was not defined inside the else: block, not sure where it
224 self.telosI2CWriteCmd(0,0)
225 time.sleep(0.250) #give MSP430's oscillator time to stabilize
226 self.serialport.flushInput() #clear buffers
229 def getbuffer(self,size=0x1c00):
230 writecmd(0,0xC2,[size&0xFF,(size>>16)&0xFF]);
231 print "Got %02x%02x buffer size." % (self.data[1],self.data[0]);
232 def writecmd(self, app, verb, count=0, data=[]):
233 """Write a command and some data to the GoodFET."""
234 self.serialport.write(chr(app));
235 self.serialport.write(chr(verb));
238 # count=len(data); #Initial count ignored.
240 #print "TX %02x %02x %04x" % (app,verb,count);
242 #little endian 16-bit length
243 self.serialport.write(chr(count&0xFF));
244 self.serialport.write(chr(count>>8));
247 print "Tx: ( 0x%02x, 0x%02x, 0x%04x )" % ( app, verb, count )
249 #print "count=%02x, len(data)=%04x" % (count,len(data));
252 if(isinstance(data,list)):
253 for i in range(0,count):
254 #print "Converting %02x at %i" % (data[i],i)
255 data[i]=chr(data[i]);
257 outstr=''.join(data);
258 self.serialport.write(outstr);
259 if not self.besilent:
260 return self.readcmd()
265 """Read a reply from the GoodFET."""
266 while 1:#self.serialport.inWaiting(): # Loop while input data is available
269 self.app=ord(self.serialport.read(1));
270 #print "APP=%2x" % self.app;
271 self.verb=ord(self.serialport.read(1));
272 #print "VERB=%02x" % self.verb;
274 ord(self.serialport.read(1))
275 +(ord(self.serialport.read(1))<<8)
279 print "Rx: ( 0x%02x, 0x%02x, 0x%04x )" % ( self.app, self.verb, self.count )
281 #Debugging string; print, but wait.
284 print "# DEBUG %s" % self.serialport.read(self.count)
285 elif self.verb==0xFE:
286 print "# DEBUG 0x%x" % struct.unpack(fmt[self.count-1], self.serialport.read(self.count))[0]
287 elif self.verb==0xFD:
288 #Do nothing, just wait so there's no timeout.
293 self.data=self.serialport.read(self.count);
297 print "Warning: waiting for serial read timed out (most likely).";
298 #print "This shouldn't happen after syncing. Exiting for safety.";
302 def glitchApp(self,app):
303 """Glitch into a device by its application."""
304 self.data=[app&0xff];
305 self.writecmd(self.GLITCHAPP,0x80,1,self.data);
306 #return ord(self.data[0]);
307 def glitchVerb(self,app,verb,data):
308 """Glitch during a transaction."""
309 if data==None: data=[];
310 self.data=[app&0xff, verb&0xFF]+data;
311 self.writecmd(self.GLITCHAPP,0x81,len(self.data),self.data);
312 #return ord(self.data[0]);
313 def glitchstart(self):
314 """Glitch into the AVR application."""
315 self.glitchVerb(self.APP,0x20,None);
316 def glitchstarttime(self):
317 """Measure the timer of the START verb."""
318 return self.glitchTime(self.APP,0x20,None);
319 def glitchTime(self,app,verb,data):
320 """Time the execution of a verb."""
321 if data==None: data=[];
322 self.data=[app&0xff, verb&0xFF]+data;
323 print "Timing app %02x verb %02x." % (app,verb);
324 self.writecmd(self.GLITCHAPP,0x82,len(self.data),self.data);
325 time=ord(self.data[0])+(ord(self.data[1])<<8);
326 print "Timed to be %i." % time;
328 def glitchVoltages(self,low=0x0880, high=0x0fff):
329 """Set glitching voltages. (0x0fff is max.)"""
330 self.data=[low&0xff, (low>>8)&0xff,
331 high&0xff, (high>>8)&0xff];
332 self.writecmd(self.GLITCHAPP,0x90,4,self.data);
333 #return ord(self.data[0]);
334 def glitchRate(self,count=0x0800):
335 """Set glitching count period."""
336 self.data=[count&0xff, (count>>8)&0xff];
337 self.writecmd(self.GLITCHAPP,0x91,2,
339 #return ord(self.data[0]);
343 def silent(self,s=0):
344 """Transmissions halted when 1."""
346 print "besilent is %i" % self.besilent;
347 self.writecmd(0,0xB0,1,[s]);
349 def mon_connected(self):
350 """Announce to the monitor that the connection is good."""
352 self.writecmd(0,0xB1,0,[]);
354 """Write a byte to P5OUT."""
355 self.writecmd(0,0xA1,1,[byte]);
357 """Write a byte to P5DIR."""
358 self.writecmd(0,0xA0,1,[byte]);
360 """Call to an address."""
361 self.writecmd(0,0x30,2,
362 [adr&0xFF,(adr>>8)&0xFF]);
363 def execute(self,code):
364 """Execute supplied code."""
365 self.writecmd(0,0x31,2,#len(code),
367 def MONpeek8(self,address):
368 """Read a byte of memory from the monitor."""
369 self.data=[address&0xff,address>>8];
370 self.writecmd(0,0x02,2,self.data);
372 return ord(self.data[0]);
373 def MONpeek16(self,address):
374 """Read a word of memory from the monitor."""
375 return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
376 def peek(self,address):
377 """Read a word of memory from the monitor."""
378 return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
379 def eeprompeek(self,address):
380 """Read a word of memory from the monitor."""
381 return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
382 def peekbysym(self,name):
383 """Read a value by its symbol name."""
384 #TODO include memory in symbol.
385 reg=self.symbols.get(name);
386 return self.peek8(reg,"data");
387 def pokebysym(self,name,val):
388 """Write a value by its symbol name."""
389 #TODO include memory in symbol.
390 reg=self.symbols.get(name);
391 return self.pokebyte(reg,val);
392 def pokebyte(self,address,value,memory="vn"):
393 """Set a byte of memory by the monitor."""
394 self.data=[address&0xff,address>>8,value];
395 self.writecmd(0,0x03,3,self.data);
396 return ord(self.data[0]);
397 def poke16(self,address,value):
398 """Set a word of memory by the monitor."""
399 self.pokebyte(address,value&0xFF);
400 self.pokebyte(address,(value>>8)&0xFF);
402 def setsecret(self,value):
403 """Set a secret word for later retreival. Used by glitcher."""
404 self.eeprompoke(0,value);
405 self.eeprompoke(1,value);
407 """Get a secret word. Used by glitcher."""
410 def dumpmem(self,begin,end):
413 print "%04x %04x" % (i, self.MONpeek16(i));
415 def monitor_ram_pattern(self):
416 """Overwrite all of RAM with 0xBEEF."""
417 self.writecmd(0,0x90,0,self.data);
419 def monitor_ram_depth(self):
420 """Determine how many bytes of RAM are unused by looking for 0xBEEF.."""
421 self.writecmd(0,0x91,0,self.data);
422 return ord(self.data[0])+(ord(self.data[1])<<8);
431 def setBaud(self,baud):
432 """Change the baud rate. TODO fix this."""
433 rates=self.baudrates;
435 print "Changing FET baud."
436 self.serialport.write(chr(0x00));
437 self.serialport.write(chr(0x80));
438 self.serialport.write(chr(1));
439 self.serialport.write(chr(baud));
441 print "Changed host baud."
442 self.serialport.setBaudrate(rates[baud]);
444 self.serialport.flushInput()
445 self.serialport.flushOutput()
447 print "Baud is now %i." % rates[baud];
450 return ord(self.serialport.read(1));
452 for r in self.baudrates:
453 print "\nTrying %i" % r;
454 self.serialport.setBaudrate(r);
456 self.serialport.flushInput()
457 self.serialport.flushOutput()
459 for i in range(1,10):
462 print "Read %02x %02x %02x %02x" % (
463 self.readbyte(),self.readbyte(),self.readbyte(),self.readbyte());
464 def monitortest(self):
465 """Self-test several functions through the monitor."""
466 print "Performing monitor self-test.";
467 self.monitorclocking();
468 for f in range(0,3000):
469 a=self.MONpeek16(0x0c00);
470 b=self.MONpeek16(0x0c02);
471 if a!=0x0c04 and a!=0x0c06:
472 print "ERROR Fetched %04x, %04x" % (a,b);
473 self.pokebyte(0x0021,0); #Drop LED
474 if self.MONpeek8(0x0021)!=0:
475 print "ERROR, P1OUT not cleared.";
476 self.pokebyte(0x0021,1); #Light LED
477 if not self.monitorecho():
478 print "Echo test failed.";
479 print "Self-test complete.";
480 self.monitorclocking();
481 def monitorecho(self):
482 data="The quick brown fox jumped over the lazy dog.";
483 self.writecmd(self.MONITORAPP,0x81,len(data),data);
485 if self.verbose: print "Comm error recognized by monitorecho().";
489 def monitor_info(self):
490 print "GoodFET with %s MCU" % self.infostring();
491 print "Clocked at %s" % self.monitorclocking();
494 def monitor_list_apps(self, full=False):
496 old_value = self.besilent
497 self.besilent = True # turn off automatic call to readcmd
498 self.writecmd(self.MONITORAPP, 0x82, 1, [int(full)]);
499 self.besilent = old_value
501 # read the build date string
503 print "Build Date: %s" % self.data
504 print "Firmware apps:"
512 def monitorclocking(self):
513 """Return the 16-bit clocking value."""
514 return "0x%04x" % self.monitorgetclock();
516 def monitorsetclock(self,clock):
517 """Set the clocking value."""
518 self.MONpoke16(0x56, clock);
519 def monitorgetclock(self):
520 """Get the clocking value."""
521 return self.MONpeek16(0x56);
522 # The following functions ought to be implemented in
525 def infostring(self):
526 a=self.MONpeek8(0xff0);
527 b=self.MONpeek8(0xff1);
528 return "%02x%02x" % (a,b);
530 print "Locking Unsupported.";
532 print "Erasure Unsupported.";
538 print "Unimplemented.";
541 print "Unimplemented.";
544 print "Unimplemented.";
547 print "Unimplemented.";
550 print "Unimplemented.";
552 def flash(self,file):
553 """Flash an intel hex file to code memory."""
554 print "Flash not implemented.";
555 def dump(self,file,start=0,stop=0xffff):
556 """Dump an intel hex file from code memory."""
557 print "Dump not implemented.";
558 def peek32(self,address, memory="vn"):
560 return (self.peek16(address,memory)+
561 (self.peek16(address+2,memory)<<16));
562 def peek16(self,address, memory="vn"):
563 """Peek 16 bits of memory."""
564 return (self.peek8(address,memory)+
565 (self.peek8(address+1,memory)<<8));
566 def peek8(self,address, memory="vn"):
567 """Peek a byte of memory."""
568 return self.MONpeek8(address); #monitor
569 def peekblock(self,address,length,memory="vn"):
570 """Return a block of data."""
571 data=range(0,length);
572 for foo in range(0,length):
573 data[foo]=self.peek8(address+foo,memory);
575 def pokeblock(self,address,bytes,memory="vn"):
576 """Poke a block of a data into memory at an address."""
578 self.pokebyte(address,foo,memory);
581 def loadsymbols(self):
582 """Load symbols from a file."""