2 # GoodFET SPI Flash Client
4 # (C) 2012 Travis Goodspeed <travis at radiantmachines.com>
8 # 1) getting hot reads on frequency
9 # 2) allow sniffing in "normal" mode to get ack bits
10 # --check if that's whats causing error flags in board-to-board transmission
17 import csv, time, argparse;
20 from random import randrange
21 from GoodFETMCPCAN import GoodFETMCPCAN;
22 from intelhex import IntelHex;
24 class GoodFETMCPCANCommunication:
27 self.client=GoodFETMCPCAN();
29 self.client.MCPsetup();
30 self.DATALOCATION = "../../contrib/ThayerData/"
36 self.client.MCPreqstatConfiguration();
38 print "MCP2515 Info:\n\n";
40 print "Mode: %s" % self.client.MCPcanstatstr();
41 print "Read Status: %02x" % self.client.MCPreadstatus();
42 print "Rx Status: %02x" % self.client.MCPrxstatus();
43 print "Error Flags: %02x" % self.client.peek8(0x2D);
44 print "Tx Errors: %3d" % self.client.peek8(0x1c);
45 print "Rx Errors: %3d\n" % self.client.peek8(0x1d);
48 print "CNF1: %02x" %self.client.peek8(0x2a);
49 print "CNF2: %02x" %self.client.peek8(0x29);
50 print "CNF3: %02x\n" %self.client.peek8(0x28);
51 print "RXB0 CTRL: %02x" %self.client.peek8(0x60);
52 print "RXB1 CTRL: %02x" %self.client.peek8(0x70);
55 print "RXB0: %02x" %self.client.peek8(0x60);
56 print "RXB1: %02x" %self.client.peek8(0x70);
57 print "RXB0 masks: %02x, %02x, %02x, %02x" %(self.client.peek8(0x20), self.client.peek8(0x21), self.client.peek8(0x22), self.client.peek8(0x23));
58 print "RXB1 masks: %02x, %02x, %02x, %02x" %(self.client.peek8(0x24), self.client.peek8(0x25), self.client.peek8(0x26), self.client.peek8(0x27));
62 packet0=self.client.readrxbuffer(0);
63 packet1=self.client.readrxbuffer(1);
64 for foo in [packet0, packet1]:
65 print self.client.packet2str(foo);
68 self.client.MCPsetup();
71 ##########################
73 ##########################
75 def sniff(self,freq,duration,description, verbose=True, comment=None, filename=None, standardid=None, debug=False, faster=False, parsed=True):
77 #reset eveything on the chip
81 #### ON-CHIP FILTERING
82 if(standardid != None):
85 self.client.MCPreqstatConfiguration();
86 self.client.poke8(0x60,0x26); # set RXB0 CTRL register to ONLY accept STANDARD messages with filter match (RXM1=0, RMX0=1, BUKT=1)
87 self.client.poke8(0x20,0xFF); #set buffer 0 mask 1 (SID 10:3) to FF
88 self.client.poke8(0x21,0xE0); #set buffer 0 mask 2 bits 7:5 (SID 2:0) to 1s
89 if(len(standardid)>2):
90 self.client.poke8(0x70,0x20); # set RXB1 CTRL register to ONLY accept STANDARD messages with filter match (RXM1=0, RMX0=1)
91 self.client.poke8(0x24,0xFF); #set buffer 1 mask 1 (SID 10:3) to FF
92 self.client.poke8(0x25,0xE0); #set buffer 1 mask 2 bits 7:5 (SID 2:0) to 1s
94 for filter,ID in enumerate(standardid):
115 #### split SID into different regs
116 SIDlow = (ID & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
117 SIDhigh = (ID >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
120 self.client.poke8(RXFSIDH,SIDhigh);
121 self.client.poke8(RXFSIDL, SIDlow);
123 if (verbose == True):
124 print "Filtering for SID %d (0x%02xh) with filter #%d"%(ID, ID, filter);
125 comment += ("f%d" %(ID))
128 self.client.MCPsetrate(freq);
130 # This will handle the files so that we do not loose them. each day we will create a new csv file
132 #get folder information (based on today's date)
133 now = datetime.datetime.now()
134 datestr = now.strftime("%Y%m%d")
135 path = self.DATALOCATION+datestr+".csv"
139 outfile = open(filename,'a');
140 dataWriter = csv.writer(outfile,delimiter=',');
141 dataWriter.writerow(['# Time Error Bytes 1-13']);
142 dataWriter.writerow(['#' + description])
144 self.client.MCPreqstatNormal();
145 print "Listening...";
147 starttime = time.time();
149 while((time.time()-starttime < duration)):
152 packet=self.client.fastrxpacket();
154 packet=self.client.rxpacket();
158 MCPstatusReg = self.client.MCPrxstatus();
159 messagestat=MCPstatusReg&0xC0;
160 messagetype=MCPstatusReg&0x18;
161 if(messagestat == 0xC0):
162 print "Message in both buffers; message type is %02x (0x00 is standard data, 0x08 is standard remote)." %messagetype
163 elif(messagestat == 0x80):
164 print "Message in RXB1; message type is %02x (0x00 is standard data, 0x08 is standard remote)." %messagetype
165 elif(messagestat == 0x40):
166 print "Message in RXB0; message type is %02x (0x00 is standard data, 0x08 is standard remote)." %messagetype
167 elif(messagestat == 0x00):
168 print "No messages in buffers."
174 row.append("%f"%time.time());
177 #if we want to print a parsed message
179 # packetParsed = self.client.packet2parsed(packet)
180 # sId = packetParsed.get('sID')
181 # msg = "sID: %04d" %sId
182 # if( packetParsed.get('eID')):
183 # msg += " eID: %d" %packetParsed.get('eID')
184 # msg += " rtr: %d"%packetParsed['rtr']
185 # length = packetParsed['length']
186 # msg += " length: %d"%length
188 # for i in range(0,length):
190 # msg +=" %03d"% ord(packetParsed[dbidx])
191 msg = self.client.packet2parsedstr(packet)
193 # if we want to print just the message as it is read off the chip
195 print self.client.packet2str(packet)
200 MCPeflgReg=self.client.peek8(0x2D);
201 print"EFLG register equals: %x" %MCPeflgReg;
202 if((MCPeflgReg & 0xC0)==0xC0):
203 print "WARNING: BOTH overflow flags set. Missed a packet. Clearing and proceeding."
204 elif(MCPeflgReg & 0x80):
205 print "WARNING: RXB1 overflow flag set. A packet has been missed. Clearing and proceeding."
206 elif(MCPeflgReg & 0x40):
207 print "WARNING: RXB0 overflow flag set. A packet has been missed. Clearing and proceeding."
208 self.client.MCPbitmodify(0x2D,0xC0,0x00);
209 print"EFLG register set to: %x" % self.client.peek(0x2D);
212 if (self.client.peek8(0x2C) & 0x80):
213 self.client.MCPbitmodify(0x2C,0x80,0x00);
214 print "ERROR: Malformed packet recieved: " + self.client.packet2str(packet);
219 row.append(0); #since we don't check for errors if we're not in debug mode...
222 #how long the sniff was for
224 #boolean that tells us if there was filtering. 0 == no filters, 1 == filters
225 if(standardid != None):
229 #write packet to file
231 row.append("%02x"%ord(byte));
232 dataWriter.writerow(row);
235 print "Listened for %d seconds, captured %d packets." %(duration,packetcount);
239 def filterStdSweep(self, freq, low, high, time = 5):
241 self.client.serInit()
242 self.client.MCPsetup()
243 for i in range(low, high+1, 6):
244 print "sniffing id: %d, %d, %d, %d, %d, %d" % (i,i+1,i+2,i+3,i+4,i+5)
245 comment= "sweepFilter: "
246 #comment = "sweepFilter_%d_%d_%d_%d_%d_%d" % (i,i+1,i+2,i+3,i+4,i+5)
247 description = "Running a sweep filer for all the possible standard IDs. This run filters for: %d, %d, %d, %d, %d, %d" % (i,i+1,i+2,i+3,i+4,i+5)
248 count = self.sniff(freq=freq, duration = time, description = description,comment = comment, standardid = [i, i+1, i+2, i+3, i+4, i+5])
250 for j in range(i,i+5):
251 comment = "sweepFilter: "
252 #comment = "sweepFilter: %d" % (j)
253 description = "Running a sweep filer for all the possible standard IDs. This run filters for: %d " % j
254 count = self.sniff(freq=freq, duration = time, description = description,comment = comment, standardid = [j, j, j, j])
259 def sweepRandom(self, freq, number = 5, time = 200):
262 self.client.serInit()
263 self.client.MCPsetup()
264 for i in range(0,number+1,6):
266 comment = "sweepFilter: "
267 for j in range(0,6,1):
269 #comment += "_%d" % id
273 description = "Running a sweep filer for all the possible standard IDs. This runs the following : " + comment
274 count = self.sniff(freq=freq, duration=time, description=description, comment = comment, standardid = idsTemp)
276 for element in idsTemp:
277 #comment = "sweepFilter: %d" % (element)
278 comment="sweepFilter: "
279 description = "Running a sweep filer for all the possible standard IDs. This run filters for: %d " % element
280 count = self.sniff(freq=freq, duration = time, description = description,comment = comment, standardid = [element, element, element])
285 def sniffTest(self, freq):
289 print "Calling MCPsetrate for %i." %rate;
290 self.client.MCPsetrate(rate);
291 self.client.MCPreqstatNormal();
293 print "Mode: %s" % self.client.MCPcanstatstr();
294 print "CNF1: %02x" %self.client.peek8(0x2a);
295 print "CNF2: %02x" %self.client.peek8(0x29);
296 print "CNF3: %02x\n" %self.client.peek8(0x28);
299 packet=self.client.rxpacket();
302 if (self.client.peek8(0x2C) & 0x80):
303 self.client.MCPbitmodify(0x2C,0x80,0x00);
304 print "malformed packet recieved: "+ self.client.packet2str(packet);
306 print "properly formatted packet recieved" + self.client.packet2str(packet);
309 def freqtest(self,freq):
311 self.client.MCPsetup();
313 self.client.MCPsetrate(freq);
314 self.client.MCPreqstatListenOnly();
316 print "CAN Freq Test: %3d kHz" %freq;
321 starttime = time.time();
322 while((time.time()-starttime < args.time)):
323 packet=self.client.rxpacket();
327 if (self.client.peek8(0x2C) & 0x80):
328 print "malformed packet recieved"
330 self.client.MCPbitmodify(0x2C,0x80,0x00);
332 print self.client.packet2str(packet);
334 print "Results for %3.1d kHz: recieved %3d packets, registered %3d RX errors." %(freq, x, errors);
337 def isniff(self,freq):
338 """ An intelligent sniffer, decodes message format """
339 """ More features to be added soon """
341 self.client.MCPsetrate(freq);
342 self.client.MCPreqstatListenOnly();
344 packet=self.client.rxpacket();
353 print "\nArbID: " + self.client.packet2str(arbid);
354 print "EID: " + self.client.packet2str(eid);
355 print "DLC: " + self.client.packet2str(dlc);
356 print "Data: " + self.client.packet2str(data);
361 print "Just reset..."
362 print "EFLG register: %02x" % self.client.peek8(0x2d);
363 print "Tx Errors: %3d" % self.client.peek8(0x1c);
364 print "Rx Errors: %3d" % self.client.peek8(0x1d);
365 print "CANINTF: %02x" %self.client.peek8(0x2C);
366 self.client.MCPreqstatConfiguration();
367 self.client.poke8(0x60,0x66);
368 self.client.MCPsetrate(500);
369 self.client.MCPreqstatNormal();
370 print "In normal mode now"
371 print "EFLG register: %02x" % self.client.peek8(0x2d);
372 print "Tx Errors: %3d" % self.client.peek8(0x1c);
373 print "Rx Errors: %3d" % self.client.peek8(0x1d);
374 print "CANINTF: %02x" %self.client.peek8(0x2C);
375 print "Waiting on packets.";
379 packet=self.client.rxpacket();
381 print "Message recieved: %s" % self.client.packet2str(packet);
383 checkcount=checkcount+1;
384 if (checkcount%30==0):
385 print "EFLG register: %02x" % self.client.peek8(0x2d);
386 print "Tx Errors: %3d" % self.client.peek8(0x1c);
387 print "Rx Errors: %3d" % self.client.peek8(0x1d);
388 print "CANINTF: %02x" %self.client.peek8(0x2C);
393 def addFilter(self,standardid, verbose= True):
395 ### ON-CHIP FILTERING
396 if(standardid != None):
397 self.client.MCPreqstatConfiguration();
398 self.client.poke8(0x60,0x26); # set RXB0 CTRL register to ONLY accept STANDARD messages with filter match (RXM1=0, RMX0=1, BUKT=1)
399 self.client.poke8(0x20,0xFF); #set buffer 0 mask 1 (SID 10:3) to FF
400 self.client.poke8(0x21,0xE0); #set buffer 0 mask 2 bits 7:5 (SID 2:0) to 1s
401 if(len(standardid)>2):
402 self.client.poke8(0x70,0x20); # set RXB1 CTRL register to ONLY accept STANDARD messages with filter match (RXM1=0, RMX0=1)
403 self.client.poke8(0x24,0xFF); #set buffer 1 mask 1 (SID 10:3) to FF
404 self.client.poke8(0x25,0xE0); #set buffer 1 mask 2 bits 7:5 (SID 2:0) to 1s
406 for filter,ID in enumerate(standardid):
427 #### split SID into different regs
428 SIDlow = (ID & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
429 SIDhigh = (ID >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
432 self.client.poke8(RXFSIDH,SIDhigh);
433 self.client.poke8(RXFSIDL, SIDlow);
435 if (verbose == True):
436 print "Filtering for SID %d (0x%02xh) with filter #%d"%(ID, ID, filter);
438 self.client.MCPreqstatNormal();
441 # this will sweep through the given ids to request a packet and then sniff on that
442 # id for a given amount duration. This will be repeated the number of attempts time
444 #at the moment this is set to switch to the next id once a message is identified
445 def rtrSweep(self,freq,lowID,highID, attempts = 1,duration = 1, verbose = True):
447 now = datetime.datetime.now()
448 datestr = now.strftime("%Y%m%d")
449 path = self.DATALOCATION+datestr+"_rtr.csv"
451 outfile = open(filename,'a');
452 dataWriter = csv.writer(outfile,delimiter=',');
453 dataWriter.writerow(['# Time Error Bytes 1-13']);
454 dataWriter.writerow(['#' + "rtr sweep from %d to %d"%(lowID,highID)])
456 #self.client.serInit()
457 #self.spitSetup(freq)
458 for i in range(lowID,highID+1, 1):
459 self.client.serInit()
461 standardid = [i, i, i, i]
463 self.addFilter(standardid, verbose = True)
465 #### split SID into different areas
466 SIDlow = (standardid[0] & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
467 SIDhigh = (standardid[0] >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
469 packet = [SIDhigh, SIDlow, 0x00,0x00,0x40]
470 dataWriter.writerow(["#requested id %d"%i])
471 #self.client.poke8(0x2C,0x00); #clear the CANINTF register; we care about bits 0 and 1 (RXnIF flags) which indicate a message is being held
473 packet1 = self.client.rxpacket();
474 packet2 = self.client.rxpacket();
476 self.client.txpacket(packet)
477 ## listen for 2 packets. one should be the rtr we requested the other should be
478 ## a new packet response
479 starttime = time.time()
480 while ((time.time() - starttime) < duration):
481 packet = self.client.rxpacket()
485 row.append("%f"%time.time()) #timestamp
486 row.append(0) #error flag (not checkign)
487 row.append("rtrRequest_%d"%i) #comment
488 row.append(duration) #sniff time
489 row.append(1) # filtering boolean
491 row.append("%02x"%ord(byte));
492 dataWriter.writerow(row)
493 print self.client.packet2parsedstr(packet)
494 # packet1=self.client.rxpacket();
495 # packet2=self.client.rxpacket();
496 # if( packet1 != None and packet2 != None):
497 # print "packets recieved :\n "
498 # print self.client.packet2parsedstr(packet1);
499 # print self.client.packet2parsedstr(packet2);
501 # elif( packet1 != None):
502 # print self.client.packet2parsedstr(packet1)
503 # elif( packet2 != None):
504 # print self.client.packet2parsedstr(packet2)
507 while( trial <= attempts):
508 print "trial: ", trial
509 self.client.MCPrts(TXB0=True);
510 starttime = time.time()
511 # this time we will sniff for the given amount of time to see if there is a
512 # time till the packets come in
513 while( (time.time()-starttime) < duration):
514 packet=self.client.rxpacket();
516 row.append("%f"%time.time()) #timestamp
517 row.append(0) #error flag (not checking)
518 row.append("rtrRequest_%d"%i) #comment
519 row.append(duration) #sniff time
520 row.append(1) # filtering boolean
522 row.append("%02x"%ord(byte));
523 dataWriter.writerow(row)
524 print self.client.packet2parsedstr(packet)
525 # packet2=self.client.rxpacket();
527 # if( packet1 != None and packet2 != None):
528 # print "packets recieved :\n "
529 # print self.client.packet2parsedstr(packet1);
530 # print self.client.packet2parsedstr(packet2);
532 # elif( packet1 != None):
533 # print "just packet1"
534 # print self.client.packet2parsedstr(packet1)
535 # elif( packet2 != None):
536 # print "just packet2"
537 # print self.client.packet2parsedstr(packet2)
539 print "sweep complete"
542 def spitSetup(self,freq):
544 self.client.MCPsetrate(freq);
545 self.client.MCPreqstatNormal();
548 def spitSingle(self,freq, standardid, repeat, duration = None, debug = False, packet = None):
549 self.spitSetup(freq);
550 spit(self,freq, standardid, repeat, duration = None, debug = False, packet = None)
552 def spit(self,freq, standardid, repeat, duration = None, debug = False, packet = None):
555 #### split SID into different regs
556 SIDlow = (standardid[0] & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
557 SIDhigh = (standardid[0] >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
561 # if no packet, RTR for inputted arbID
562 # so packet to transmit is SID + padding out EID registers + RTR request (set bit 6, clear lower nibble of DLC register)
563 packet = [SIDhigh, SIDlow, 0x00,0x00,0x40]
566 #packet = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
567 # 0x08, # bit 6 must be set to 0 for data frame (1 for RTR)
568 # # lower nibble is DLC
569 # 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0xFF]
572 # if we do have a packet, packet is SID + padding out EID registers + DLC of 8 + packet
574 # TODO: allow for variable-length packets
576 packet = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
577 0x08, # bit 6 must be set to 0 for data frame (1 for RTR)
578 # lower nibble is DLC
579 packet[0],packet[1],packet[2],packet[3],packet[4],packet[5],packet[6],packet[7]]
583 if self.client.MCPcanstat()>>5!=0:
584 print "Warning: currently in %s mode. NOT in normal mode! May not transmit.\n" %self.client.MCPcanstatstr();
585 print "\nInitial state:"
586 print "Tx Errors: %3d" % self.client.peek8(0x1c);
587 print "Rx Errors: %3d" % self.client.peek8(0x1d);
588 print "Error Flags: %02x\n" % self.client.peek8(0x2d);
589 print "TXB0CTRL: %02x" %self.client.peek8(0x30);
590 print "CANINTF: %02x\n" %self.client.peek8(0x2C);
591 print "\n\nATTEMPTING TRANSMISSION!!!"
594 print "Transmitting packet: "
595 print self.client.packet2str(packet)
597 self.client.txpacket(packet);
600 print "\nNow looping on transmit. "
602 starttime = time.time();
603 while((time.time()-starttime < duration)):
604 self.client.MCPrts(TXB0=True);
608 self.client.MCPrts(TXB0=True);
609 print "messages injected"
614 TXB0CTRL = self.client.peek8(0x30);
616 print "Tx Errors: %3d" % self.client.peek8(0x1c);
617 print "Rx Errors: %3d" % self.client.peek8(0x1d);
618 print "EFLG register: %02x" % self.client.peek8(0x2d);
619 print "TXB0CTRL: %02x" %TXB0CTRL;
620 print "CANINTF: %02x\n" %self.client.peek8(0x2C);
622 while(TXB0CTRL | 0x00 != 0x00):
624 TXB0CTRL = self.client.peek8(0x30);
625 if (checkcount %30 ==0):
626 print "Tx Errors: %3d" % self.client.peek8(0x1c);
627 print "Rx Errors: %3d" % self.client.peek8(0x1d);
628 print "EFLG register: %02x" % self.client.peek8(0x2d);
629 print "TXB0CTRL: %02x" %TXB0CTRL;
630 print "CANINTF: %02x\n" %self.client.peek8(0x2C);
633 def setRate(self,freq):
634 self.client.MCPsetrate(freq);
639 if __name__ == "__main__":
641 parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,description='''\
643 Run commands on the MCP2515. Valid commands are:
647 peek 0x(start) [0x(stop)]
657 parser.add_argument('verb', choices=['info', 'test','peek', 'reset', 'sniff', 'freqtest','snifftest', 'spit']);
658 parser.add_argument('-f', '--freq', type=int, default=500, help='The desired frequency (kHz)', choices=[100, 125, 250, 500, 1000]);
659 parser.add_argument('-t','--time', type=int, default=15, help='The duration to run the command (s)');
660 parser.add_argument('-o', '--output', default=None,help='Output file');
661 parser.add_argument("-d", "--description", help='Description of experiment (included in the output file)', default="");
662 parser.add_argument('-v',"--verbose",action='store_false',help='-v will stop packet output to terminal', default=True);
663 parser.add_argument('-c','--comment', help='Comment attached to ech packet uploaded',default=None);
664 parser.add_argument('-b', '--debug', action='store_true', help='-b will turn on debug mode, printing packet status', default=False);
665 parser.add_argument('-a', '--standardid', type=int, action='append', help='Standard ID to accept with filter 0 [1, 2, 3, 4, 5]', default=None);
666 parser.add_argument('-x', '--faster', action='store_true', help='-x will use "fast packet recieve," which may duplicate packets and/or cause other weird behavior.', default=False);
667 parser.add_argument('-r', '--repeat', action='store_true', help='-r with "spit" will continuously send the inputted packet. This will put the GoodTHOPTHER into an infinite loop.', default=False);
670 args = parser.parse_args();
673 filename = args.output
674 description = args.description
675 verbose = args.verbose
676 comments = args.comment
678 standardid = args.standardid
682 comm = GoodFETMCPCANCommunication();
684 ##########################
686 ##########################
688 # Prints MCP state info
690 if(args.verb=="info"):
694 ##########################
696 ##########################
700 if(args.verb=="reset"):
703 ##########################
705 ##########################
707 # runs in ListenOnly mode
708 # utility function to pull info off the car's CAN bus
711 if(args.verb=="sniff"):
712 comm.sniff(freq=freq,duration=duration,description=description,verbose=verbose,comment=comments,filename=filename, standardid=standardid, debug=debug, faster=faster)
714 ##########################
716 ##########################
718 # runs in NORMAL mode
719 # intended for NETWORKED MCP chips to verify proper operation
722 if(args.verb=="snifftest"):
723 comm.sniffTest(freq=freq)
726 ##########################
728 ##########################
730 # runs in LISTEN ONLY mode
731 # tests bus for desired frequency --> sniffs bus for specified length of time and reports
732 # if packets were properly formatted
736 if(args.verb=="freqtest"):
737 comm.freqtest(freq=freq)
741 ##########################
743 ##########################
745 # """ An intelligent sniffer, decodes message format """
746 # """ More features to be added soon """
747 if(args.verb=="isniff"):
748 comm.isniff(freq=freq)
751 ##########################
753 ##########################
755 # Runs in LOOPBACK mode
756 # self-check diagnostic
757 # wasn't working before due to improperly formatted packet
759 # ...add automatic packet check rather than making user verify successful packet
760 if(args.verb=="test"):
763 if(args.verb=="peek"):
766 start=int(sys.argv[2],16);
769 stop=int(sys.argv[3],16);
770 print "Peeking from %04x to %04x." % (start,stop);
772 print "%04x: %02x" % (start,client.peek8(start));
775 ##########################
777 ##########################
779 # Basic packet transmission
780 # runs in NORMAL MODE!
782 # checking TX error flags--> currently throwing error flags on every
783 # transmission (travis thinks this is because we're sniffing in listen-only
784 # and thus not generating an ack bit on the recieving board)
785 if(args.verb=="spit"):
786 comm.spitSingle(freq=freq, standardid=standardid,duration=duration, repeat=repeat, debug=debug)