3 #GoodFET SPI Flash Client
11 from GoodFETNRF import GoodFETNRF;
12 from intelhex import IntelHex;
15 regnames=["CONFIG","EN_AA","EN_RXADDR","SETUP_AW","SETUP_RET",
16 "RF_CH","RF_SETUP","STATUS","OBSERVE_TX","RPD",
17 "RX_ADDR_P0","RX_ADDR_P1","RX_ADDR_P2","RX_ADDR_P3","RX_ADDR_P4","RX_ADDR_P5",
19 "RX_PW_P0","RX_PW_P1","RX_PW_P2","RX_PW_P3","RX_PW_P4","RX_PW_P5",
21 "?","?","?","DYNPD","FEATURE","AGC_CONFIG","?","?",
22 "?","?","?","?","?","?","?","?"];
24 def printpacket(packet):
29 if i>client.packetlen: break;
30 s="%s %02x" % (s,ord(foo));
34 print "Encoding %s" % client.RF_getenc();
35 print "Freq %10i MHz" % (client.RF_getfreq()/10**6);
36 print "Rate %10i kbps" % (client.RF_getrate()/1000);
37 print "PacketLen %02i bytes" % client.RF_getpacketlen();
38 #print "MacLen %2i bytes" % client.RF_getmaclen();
39 print "SMAC 0x%010x" % client.RF_getsmac();
40 print "TMAC 0x%010x" % client.RF_gettmac();
44 print "Usage: %s verb [objects]\n" % sys.argv[0];
45 print "%s info" % sys.argv[0];
46 print "%s test" % sys.argv[0];
47 print "%s regs" % sys.argv[0];
48 print "%s regbits" % sys.argv[0];
49 print "%s pyregs" % sys.argv[0];
51 print "%s sniff\n\tSniffs packets by current config." % sys.argv[0];
52 print "%s sniffob\n\tSniffs OpenBeacon traffic." % sys.argv[0];
53 print "%s snifftp\n\tSniffs Turning Point Clicker traffic." % sys.argv[0];
54 print "%s sniffsf\n\tSniffs SparkFun Dongle traffic." % sys.argv[0];
56 print "%s sniffprom [0xaa|0x55]\n\tSniffs promiscuously for a preamble of 0xAA or 0x55" % sys.argv[0];
57 print "%s autotune\n\tSearches for a valid destination address." % sys.argv[0];
59 print "%s sniffskybrake\n\tSniffs skybrake. [broken?]" % sys.argv[0];
60 print "%s sniffmskb\n\tSniffs MS KB. [broken?]" % sys.argv[0];
63 print "%s hosttp\n\tHosts Turning Point Clicker traffic." % sys.argv[0];
65 print "%s carrier [freq]\n\tHolds a carrier on [freq] Hz." % sys.argv[0];
68 #Initialize FET and set baud rate
74 if(sys.argv[1]=="info"):
77 if(sys.argv[1]=="test"):
78 print "Old registers:"
81 # Set PWR_UP=1 and PRIM_RX=0 in CONFIG.
83 #Delay of 1.5ms by round-trip.
88 for foo in [250*10**3,
91 client.RF_setrate(foo);
92 if(client.RF_getrate()!=foo):
93 print "ERROR Rate %i not supported. Got %i instead." % (foo,
97 client.poke(0x0A,0xDEADBEEF,5);
98 #print "SMAC set to %010x" % client.RF_getsmac();
99 if client.RF_getsmac()!=0xdeadbeef:
100 print "ERROR: Failed to set MAC address.";
101 print "Final registers:"
104 if(sys.argv[1]=="carrier"):
106 client.RF_setfreq(eval(sys.argv[2]));
109 print "\nHolding a carrier wave.";
112 if(sys.argv[1]=="regs"):
113 for r in range(0,0x20):
114 print "r[0x%02x]=0x%010x //%16s " % (r,client.peek(r),regnames[r]);
115 if(sys.argv[1]=="pyregs"):
116 for r in range(0,0x20):
117 print "client.set(0x%02x,0x%010x); #%16s " % (r,client.peek(r),regnames[r]);
119 if(sys.argv[1]=="peek"):
122 start=int(sys.argv[2],16);
125 stop=int(sys.argv[3],16);
126 print "Peeking from %02x to %02x." % (start,stop);
128 print "%02x: %010x" % (start,client.peek(start));
130 if(sys.argv[1]=="poke"):
134 start=int(sys.argv[2],16);
136 val=int(sys.argv[3],16);
137 print "Poking %02x to become %010x." % (start,val);
139 client.poke(start,val);
140 print "Poked to %04x" % client.peek(start);
142 if(sys.argv[1]=="sniffob"):
143 #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
144 #TODO remove all poke() calls.
146 client.poke(0x00,0x00); #Stop nRF
147 client.poke(0x01,0x00); #Disable Shockburst
148 client.poke(0x02,0x01); #Set RX Pipe 0
150 client.RF_setfreq(2481 * 10**6);
151 client.poke(0x06,0x09); #2MBps, -18dBm in RF_SETUP
152 client.poke(0x07,0x78); #Reset status register
154 #OpenBeacon defines these in little endian as follows.
155 client.RF_setmaclen(5); # SETUP_AW for 5-byte addresses.
156 #0x01, 0x02, 0x03, 0x02, 0x01
157 client.RF_setsmac(0x0102030201);
158 #'O', 'C', 'A', 'E', 'B'
159 client.RF_settmac(0x424541434F);
161 #Set packet length of 16.
162 client.RF_setpacketlen(16);
164 #Power radio, prime for RX, one-byte checksum.
165 client.poke(0x00,0x70|0x03|0x08); #0x08 for one byte, 0x04 for two.
167 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
168 client.RF_getfreq()/10**6);
169 #Now we're ready to get packets.
174 packet=client.RF_rxpacket();
178 if(sys.argv[1]=="regbits"):
179 print "Scanning registers to determine which bits are valid."
180 regbits=range(0,0x30);
181 for r in range(0,0x30):
183 #Which bits can be set?
186 #Which bits can be clear?
188 zeroes=client.peek(r);
189 regbits[r]=(ones & (~zeroes));
190 for r in range(0,0x30):
192 print "r[0x%02x] masked %02x // %s" % (r,regbits[r], regnames[r]);
193 if(sys.argv[1]=="sniffprom"):
194 #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
195 #TODO remove all poke() calls.
197 client.poke(0x00,0x00); #Stop nRF
198 client.poke(0x01,0x00); #Disable Shockburst
199 client.poke(0x02,0x01); #Set RX Pipe 0
201 #client.RF_setfreq(2481 * 10**6);
202 #client.poke(0x06,0x09); #2MBps, -18dBm in RF_SETUP
203 client.poke(0x07,0x78); #Reset status register
205 #OpenBeacon defines these in little endian as follows.
206 client.RF_setmaclen(2); # SETUP_AW for shortest
208 #It's better to have a known fragment, when one is available.
209 #client.RF_setsmac(0x00AA);
210 #client.RF_setsmac(0x0055);
212 #Should end in 55 or AA depending upon the packet.
215 tail=int(sys.argv[2],16);
217 print "Please specify a tail of 0xAA or 0x55.";
219 client.RF_setsmac(tail);
222 client.RF_setpacketlen(32);
224 #Power radio, prime for RX, no checksum
225 client.poke(0x00,0x70|0x03); #0x08 for checksum, 0x04 for two.
227 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
228 client.RF_getfreq()/10**6);
229 #Now we're ready to get packets.
234 packet=client.RF_rxpacket();
239 """This guesses addresses by searching through packets."""
243 #Limits on search space, because you usually know what you're looking for.
247 def init(self,goodfet,
248 rate=True,chan=True,sync=True):
249 """Initializes a link to the GoodFET for autotuning."""
255 def packetaddr(self,packet,justmac=False):
256 """Returns a loaded packet address, including channel and rate."""
258 sync=self.client.RF_getsmac()&0xFF;
263 mac="%s%02x" % (mac,ord(packet[i]));
266 ch=self.client.peek(0x05);
267 rate=self.client.peek(0x06);
268 return "%02x,%s,%02x,%02x" % (
270 def validmac(self,packet):
271 sync=self.client.RF_getsmac()&0xFF;
272 mac=self.packetaddr(packet,justmac=True);
273 if (ord(packet[0])&0x80)^(sync&0x80):
274 #print "%02x%02x invalid entry." % (sync,ord(packet[0]));
276 if mac=='5555555555' or mac=='aaaaaaaaaa':
280 def handle(self,packet):
281 """Handles a packet."""
282 #printpacket(packet);
283 if not self.validmac(packet):
284 #print "Dropped packet:";
285 #printpacket(packet);
287 addr=self.packetaddr(packet);
289 #Increment the address count.
292 count=self.addresses[addr];
295 self.addresses[addr]=count+1;
296 rate=count*1.0/len(self.addresses);
297 if self.addresses[addr]>1 or rate>0.01:
298 print "'%s' looks valid\t%i\t%0.5f" % (
303 """Tunes to another channel or preamble looking for the next packet."""
304 count=self.tunecount;
305 self.tunecount=count+1;
307 #Swap the SYNC value most often.
312 self.client.RF_setsmac(sync);
319 #This swaps between 1Mbps and 2Mbps.
320 #TODO add support for 256kbps, if anyone uses it.
323 #print "Setting rate to 0x%02x" % rate;
326 self.client.poke(0x06,rate);
330 self.client.poke(0x05,
332 print "Tuned to %i MHz" % (
333 self.client.RF_getfreq()
335 #Grab two packets to clear buffers.
336 #Should retune only after a few packets to reduce this delay.
337 packet=client.RF_rxpacket();
338 packet=client.RF_rxpacket();
342 if(sys.argv[1]=="autotune"):
343 #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
344 #TODO remove all poke() calls.
346 guesser.init(client,rate=True,sync=True,chan=True);
348 client.poke(0x00,0x00); #Stop nRF
349 client.poke(0x01,0x00); #Disable Shockburst
350 client.poke(0x02,0x01); #Set RX Pipe 0
352 #client.RF_setfreq(2481 * 10**6);
353 client.poke(0x06,0x09); #2MBps, -18dBm in RF_SETUP
354 client.poke(0x07,0x78); #Reset status register
356 #OpenBeacon defines these in little endian as follows.
357 client.RF_setmaclen(2); # SETUP_AW for shortest
359 #This is determined by the MAC, which we don't yet know.
360 #AutoTuner() takes care of finding it.
361 #client.RF_setsmac(0x00AA);
362 #client.RF_setsmac(0x0055);
365 client.RF_setpacketlen(32);
367 #Power radio, prime for RX, no checksum
368 client.poke(0x00,0x70|0x03); #0x08 for checksum, 0x04 for two.
370 print "Autotuning as %010x on %i MHz" % (client.RF_getsmac(),
371 client.RF_getfreq()/10**6);
372 print "sync,mac,r5,r6";
373 #Now we're ready to get packets.
375 #Full second on each packet.
376 start=time.mktime(time.localtime());
377 while (time.mktime(time.localtime())-start) < 5:
380 packet=client.RF_rxpacket();
381 guesser.handle(packet);
386 if(sys.argv[1]=="sniffmskb"):
388 #TODO remove all poke() calls.
390 client.poke(0x00,0x00); #Stop nRF
391 client.poke(0x01,0x00); #Disable Shockburst
392 client.poke(0x02,0x01); #Set RX Pipe 0
394 client.poke(0x06,0x09); #2MBps, -18dBm in RF_SETUP
395 client.poke(0x07,0x78); #Reset status register
397 #This is the address of a specific keyboard.
398 #Other keyboards will be different.
401 client.RF_setmaclen(5);
403 #Known pairs. The channel and the low address bytes must match.
404 #client.RF_setfreq((2400+0x13) * 10**6);
405 #client.RF_setsmac(0x0c00a3598cd);
407 client.RF_setfreq((2400+0x15) * 10**6);
408 client.RF_setsmac( 0x0c10446facd);
410 #Mac packet length, illegally 0-length address field.
411 client.RF_setpacketlen(32);
413 #Power radio, prime for RX, no checksum
414 client.poke(0x00,0x70|0x03); #0x08 for checksum, 0x04 for two.
416 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
417 client.RF_getfreq()/10**6);
418 #Now we're ready to get packets.
423 packet=client.RF_rxpacket();
429 if(sys.argv[1]=="sniffskybrake"):
430 #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
431 #TODO remove all poke() calls.
433 client.poke(0x00,0x00); #Stop nRF
434 client.poke(0x01,0x00); #Disable Shockburst
435 client.poke(0x02,0x01); #Set RX Pipe 0
437 client.RF_setfreq(2439 * 10**6);
438 client.poke(0x06,0x00); #1MBps
439 client.poke(0x07,0x78); #Reset status register
441 #OpenBeacon defines these in little endian as follows.
442 client.RF_setmaclen(2); # SETUP_AW for 3-byte addresses.
443 #0x01, 0x02, 0x03, 0x02, 0x01
445 client.RF_setsmac(0x070700d2c4); #reversed
447 #client.RF_setsmac(0xd2c4);
448 #client.RF_setsmac(0);
450 #Mac packet length, illegally 0-length address field.
451 client.RF_setpacketlen(32);
453 #Power radio, prime for RX, one-byte checksum.
454 client.poke(0x00,0x70|0x03); #0x08 for one byte, 0x04 for two.
456 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
457 client.RF_getfreq()/10**6);
458 print "%i byte mac match." % client.RF_getmaclen();
459 #Now we're ready to get packets.
464 packet=client.RF_rxpacket();
468 if(sys.argv[1]=="sniffsf"):
469 #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
470 #TODO remove all poke() calls.
472 client.poke(0x00,0x00); #Stop nRF
473 client.poke(0x01,0x00); #Disable Shockburst
474 client.poke(0x02,0x01); #Set RX Pipe 0
476 client.RF_setfreq(2402 * 10**6);
477 client.poke(0x06,0x07); #1Mbps
478 client.poke(0x07,0x78); #Reset status register
480 #OpenBeacon defines these in little endian as follows.
481 client.RF_setmaclen(5); # SETUP_AW for 5-byte addresses.
482 client.RF_setsmac(0xe7e7e7e7e7);
483 client.RF_settmac(0xe7e7e7e7e7);
485 #Set packet length of 16.
486 client.RF_setpacketlen(4);
488 #Power radio, prime for RX, one-byte checksum.
489 client.poke(0x00,0x70|0x03|0x08); #0x08 for one byte, 0x04 for two.
491 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
492 client.RF_getfreq()/10**6);
493 #Now we're ready to get packets.
498 packet=client.RF_rxpacket();
502 if(sys.argv[1]=="snifftp"):
503 client.poke(0x00,0x00); #Stop nRF
504 client.poke(0x01,0x00); #Disable Shockburst
505 client.poke(0x02,0x01); #Set RX Pipe 0
507 client.RF_setfreq((2400+0x29) * 10**6);
508 client.poke(0x06,0x00); #1Mbps
509 client.poke(0x07,0x78); #Reset status register
511 client.RF_setmaclen(3); # SETUP_AW for 3-byte addresses.
512 client.RF_setsmac(0x123456);
513 client.RF_setpacketlen(4);
515 #Power radio, prime for RX, two-byte checksum.
516 client.poke(0x00,0x70|0x03|0x04|0x08);
518 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
519 client.RF_getfreq()/10**6);
520 #Now we're ready to get packets.
525 packet=client.RF_rxpacket();
529 if(sys.argv[1]=="hosttp"):
530 client.poke(0x00,0x00); #Stop nRF
531 client.poke(0x01,0x00); #Disable Shockburst
532 client.poke(0x02,0x01); #Set RX Pipe 0
536 client.RF_setfreq((2400+chan) * 10**6);
537 client.poke(0x06,0x00); #1Mbps
538 client.poke(0x07,0x78); #Reset status register
540 client.RF_setmaclen(3); # SETUP_AW for 3-byte addresses.
541 client.RF_setsmac(0x123456);
542 client.RF_setpacketlen(4);
544 #Power radio, prime for RX, two-byte checksum.
545 client.poke(0x00,0x70|0x03|0x04|0x08);
547 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
548 client.RF_getfreq()/10**6);
549 #Now we're ready to get packets.
553 packet=client.RF_rxpacket();
554 mac=((ord(packet[0])<<16)+
558 print "%c from %06x" % (key,mac);
561 if(sys.argv[1]=="sniff"):
562 #client.poke(0x00,0x00); #Stop nRF
563 client.poke(0x07,0x78); #Reset status register
565 #Power radio, prime for RX, no checksum.
566 client.poke(0x00,0x70|0x03);
568 client.RF_setpacketlen(32);
570 client.RF_setmaclen(3); # SETUP_AW for shortest
572 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
573 client.RF_getfreq()/10**6);
574 #Now we're ready to get packets.
580 packet=client.RF_rxpacket();
583 if(sys.argv[1]=="explore"):
584 #client.poke(0x00,0x00); #Stop nRF
585 client.poke(0x07,0x78); #Reset status register
587 #Power radio, prime for RX, no checksum.
588 client.poke(0x00,0x70|0x03);
590 #Set packet length of 32.
591 #Without checksums, extra data will mix in.
592 client.RF_setpacketlen(32);
593 client.RF_setmaclen(3); # shortest address length
595 #Now we're ready to get packets.
596 for smac in [0x0102030201, 0]:
597 client.RF_setsmac(smac);
598 for chan in range(0,0x80):
599 client.RF_setfreq((2400+chan) * 10**6);
601 packet=client.RF_rxpacket();
603 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
604 client.RF_getfreq()/10**6);