import binascii;
import array;
import csv, time, argparse;
+import datetime
+import os
from GoodFETMCPCAN import GoodFETMCPCAN;
from intelhex import IntelHex;
self.client=GoodFETMCPCAN();
self.client.serInit()
self.client.MCPsetup();
+ self.DATALOCATION = "../../contrib/ThayerData/"
+
def printInfo(self):
def reset(self):
self.client.MCPsetup();
+
##########################
# SNIFF
##########################
- def sniff(self,freq,duration,filename,description, verbose=True, comment=None, standardid=None):
+ def sniff(self,freq,duration,description, verbose=True, comment=None, filename=None, standardid=None, debug = False):
#### ON-CHIP FILTERING
if(standardid != None):
+ comment = comment+"Filtering for SID ";
+
self.client.MCPreqstatConfiguration();
self.client.poke8(0x60,0x26); # set RXB0 CTRL register to ONLY accept STANDARD messages with filter match (RXM1=0, RMX0=1, BUKT=1)
self.client.poke8(0x20,0xFF); #set buffer 0 mask 1 (SID 10:3) to FF
self.client.poke8(RXFSIDL, SIDlow);
if (verbose == True):
- print "Filtering for SID %d (0x%02xh) with filter #%d"%(ID, ID, filter);
+ print "Filtering for SID %d (0x%02xh) with filter #%d"%(ID, ID, filter);
+ comment = comment + ("%d " %(ID))
self.client.MCPsetrate(freq);
+ # This will handle the files so that we do not loose them. each day we will create a new csv file
+ if( filename==None):
+ #get folder information (based on today's date)
+ now = datetime.datetime.now()
+ datestr = now.strftime("%Y%m%d")
+ path = self.DATALOCATION+datestr+".csv"
+ filename = path
+
+
outfile = open(filename,'a');
dataWriter = csv.writer(outfile,delimiter=',');
dataWriter.writerow(['# Time Error Bytes 1-13']);
row.append(0); #since we don't check for errors if we're not in debug mode...
row.append(comment)
+ #write packet to file
for byte in packet:
row.append("%02x"%ord(byte));
dataWriter.writerow(row);
outfile.close()
print "Listened for %d seconds, captured %d packets." %(duration,packetcount);
-
+ return packetcount
+
+
+ def filterStdSweep(self, freq = freq, time = 5):
+ msgIDs = []
+ niff(self,freq,duration,description, verbose=True, comment=None, filename=None, standardid=None, debug = False):
+ for i in range(0, 2047, 6):
+ print "sniffing id: %d, %d, %d, %d, %d, %d" % (i,i+1,i+2,i+3,i+4,i+5)
+ comment = "sweepFilter_%d_%d_%d_%d_%d_%d" % (i,i+1,i+2,i+3,i+4,i+5)
+ 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)
+ count = self.sniff(freq=freq, duration = time, description = description,comment = comment, standardid = [i, i+1, i+2, i+3, i+4, i+5])
+ if( count != 0):
+ for j in range(i,i+5):
+ comment = "sweepFilter: %d" % (j)
+ description = "Running a sweep filer for all the possible standard IDs. This run filters for: %d " % j
+ count = self.sniff(freq=freq, duration = time, description = description,comment = comment, standardid = [j])
+ if( count != 0):
+ msgIDs.append(j)
+ return msgIDs
+
def sniffTest(self, freq):
rate = freq;
break;
- def spit(self,freq):
+ def spit(self,freq, standardid,debug):
+
self.client.MCPsetrate(freq);
self.client.MCPreqstatNormal();
- print "Tx Errors: %3d" % self.client.peek8(0x1c);
- print "Rx Errors: %3d" % self.client.peek8(0x1d);
- print "Error Flags: %02x\n" % self.client.peek8(0x2d);
- print "TXB0CTRL: %02x" %self.client.peek8(0x30);
- print "CANINTF: %02x" %self.client.peek8(0x2C);
+ if(debug==true):
+ print "Tx Errors: %3d" % self.client.peek8(0x1c);
+ print "Rx Errors: %3d" % self.client.peek8(0x1d);
+ print "Error Flags: %02x\n" % self.client.peek8(0x2d);
+ print "TXB0CTRL: %02x" %self.client.peek8(0x30);
+ print "CANINTF: %02x" %self.client.peek8(0x2C);
+ #### split SID into different regs
+ SIDlow = (standardid & 0x03) << 5; # get SID bits 2:0, rotate them to bits 7:5
+ SIDhigh = (standardid >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
- packet = [0x00,
- 0x08, # LOWER nibble must be 8 or greater to set EXTENDED ID
- 0x00, 0x00,
- 0x08, # UPPER nibble must be 0 to set RTR bit for DATA FRAME
- # LOWER nibble is DLC
- 0x01,0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0xFF]
+ packet = [SIDhigh, SIDlow,
+ 0x08, # bit 6 must be set to 0 for data frame (1 for RTR)
+ # lower nibble is DLC
+ 0x01,0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0xFF]
self.client.txpacket(packet);
print "TXB0CTRL: %02x" %self.client.peek8(0x30);
self.client.MCPbitmodify(0x30,0x08,0x00);
print "TXB0CTRL modified to: %02x\n" %self.client.peek8(0x30);
-
- print "message sending attempted.";
- print "Tx Errors: %02x" % self.client.peek8(0x1c);
- print "Rx Errors: %02x" % self.client.peek8(0x1d);
- print "Error Flags: %02x" % self.client.peek8(0x2d);
+
+ if (debug==true):
+ print "message sending attempted.";
+ print "Tx Errors: %02x" % self.client.peek8(0x1c);
+ print "Rx Errors: %02x" % self.client.peek8(0x1d);
+ print "Error Flags: %02x" % self.client.peek8(0x2d);
parser.add_argument('verb', choices=['info', 'test','peek', 'reset', 'sniff', 'freqtest','snifftest', 'spit']);
parser.add_argument('-f', '--freq', type=int, default=500, help='The desired frequency (kHz)', choices=[100, 125, 250, 500, 1000]);
parser.add_argument('-t','--time', type=int, default=15, help='The duration to run the command (s)');
- parser.add_argument('-o', '--output', default="../../contrib/ted/sniff_out.csv",help='Output file');
+ parser.add_argument('-o', '--output', default=None,help='Output file');
parser.add_argument("-d", "--description", help='Description of experiment (included in the output file)', default="");
parser.add_argument('-v',"--verbose",action='store_false',help='-v will stop packet output to terminal', default=True);
parser.add_argument('-c','--comment', help='Comment attached to ech packet uploaded',default=None);
#
if(args.verb=="sniff"):
- comm.sniff(freq=freq,duration=duration,filename=filename,description=description,verbose=verbose,comment=comments, standardid=standardid)
+ comm.sniff(freq=freq,duration=duration,description=description,verbose=verbose,comment=comments,filename=filename, standardid=standardid)
##########################
# SNIFF TEST
if(args.verb=="snifftest"):
comm.sniffTest(freq=freq)
+
##########################
# FREQ TEST
##########################
if(args.verb=="freqtest"):
comm.freqtest(freq=freq)
+
+
##########################
# iSniff
##########################
# transmission (travis thinks this is because we're sniffing in listen-only
# and thus not generating an ack bit on the recieving board)
if(args.verb=="spit"):
- comm.spit(freq=freq)
+ comm.spit(freq=freq, standardid=standardid, debug=debug)
projects / goodfet / blobdiff