--- /dev/null
+import sys;
+import binascii;
+import array;
+import csv, time, argparse;
+import datetime
+import os
+from random import randrange
+from GoodFETMCPCAN import GoodFETMCPCAN;
+from GoodFETMCPCANCommunication import GoodFETMCPCANCommunication
+from intelhex import IntelHex;
+import Queue
+import math
+
+tT = time
+
+
+class experiments(GoodFETMCPCANCommunication):
+
+ def __init__(self):
+ GoodFETMCPCANCommunication.__init__(self)
+ #super(experiments,self).__init(self)
+ self.freq = 500;
+
+ def filterStdSweep(self, freq, low, high, time = 5):
+ msgIDs = []
+ self.client.serInit()
+ self.client.MCPsetup()
+ for i in range(low, high+1, 6):
+ print "sniffing id: %d, %d, %d, %d, %d, %d" % (i,i+1,i+2,i+3,i+4,i+5)
+ comment= "sweepFilter: "
+ #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: "
+ #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, j, j, j])
+ if( count != 0):
+ msgIDs.append(j)
+ return msgIDs
+
+
+ def sweepRandom(self, freq, number = 5, time = 200):
+ msgIDs = []
+ ids = []
+ self.client.serInit()
+ self.client.MCPsetup()
+ for i in range(0,number+1,6):
+ idsTemp = []
+ comment = "sweepFilter: "
+ for j in range(0,6,1):
+ id = randrange(2047)
+ #comment += "_%d" % id
+ idsTemp.append(id)
+ ids.append(id)
+ print comment
+ description = "Running a sweep filer for all the possible standard IDs. This runs the following : " + comment
+ count = self.sniff(freq=freq, duration=time, description=description, comment = comment, standardid = idsTemp)
+ if( count != 0):
+ for element in idsTemp:
+ #comment = "sweepFilter: %d" % (element)
+ comment="sweepFilter: "
+ description = "Running a sweep filer for all the possible standard IDs. This run filters for: %d " % element
+ count = self.sniff(freq=freq, duration = time, description = description,comment = comment, standardid = [element, element, element])
+ if( count != 0):
+ msgIDs.append(j)
+ return msgIDs, ids
+
+
+ # this will sweep through the given ids to request a packet and then sniff on that
+ # id for a given amount duration. This will be repeated the number of attempts time
+
+ #at the moment this is set to switch to the next id once a message is identified
+ def rtrSweep(self,freq,lowID,highID, attempts = 1,duration = 1, verbose = True):
+ #set up file
+ now = datetime.datetime.now()
+ datestr = now.strftime("%Y%m%d")
+ path = self.DATALOCATION+datestr+"_rtr.csv"
+ filename = path
+ outfile = open(filename,'a');
+ dataWriter = csv.writer(outfile,delimiter=',');
+ dataWriter.writerow(['# Time Error Bytes 1-13']);
+ dataWriter.writerow(['#' + "rtr sweep from %d to %d"%(lowID,highID)])
+ print "started"
+ #self.client.serInit()
+ #self.spitSetup(freq)
+ for i in range(lowID,highID+1, 1):
+ self.client.serInit()
+ self.spitSetup(freq)
+ standardid = [i, i, i, i]
+ #set filters
+ self.addFilter(standardid, verbose = True)
+
+ #### split SID into different areas
+ SIDlow = (standardid[0] & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
+ SIDhigh = (standardid[0] >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
+ #create RTR packet
+ packet = [SIDhigh, SIDlow, 0x00,0x00,0x40]
+ dataWriter.writerow(["#requested id %d"%i])
+ #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
+ #clear buffer
+ packet1 = self.client.rxpacket();
+ packet2 = self.client.rxpacket();
+ #send in rtr request
+ self.client.txpacket(packet)
+ ## listen for 2 packets. one should be the rtr we requested the other should be
+ ## a new packet response
+ starttime = time.time()
+ while ((time.time() - starttime) < duration):
+ packet = self.client.rxpacket()
+ if( packet == None):
+ continue
+ row = []
+ row.append("%f"%time.time()) #timestamp
+ row.append(0) #error flag (not checkign)
+ row.append("rtrRequest_%d"%i) #comment
+ row.append(duration) #sniff time
+ row.append(1) # filtering boolean
+ for byte in packet:
+ row.append("%02x"%ord(byte));
+ dataWriter.writerow(row)
+ print self.client.packet2parsedstr(packet)
+# packet1=self.client.rxpacket();
+# packet2=self.client.rxpacket();
+# if( packet1 != None and packet2 != None):
+# print "packets recieved :\n "
+# print self.client.packet2parsedstr(packet1);
+# print self.client.packet2parsedstr(packet2);
+# continue
+# elif( packet1 != None):
+# print self.client.packet2parsedstr(packet1)
+# elif( packet2 != None):
+# print self.client.packet2parsedstr(packet2)
+ trial= 2;
+ # for each trial
+ while( trial <= attempts):
+ print "trial: ", trial
+ self.client.MCPrts(TXB0=True);
+ starttime = time.time()
+ # this time we will sniff for the given amount of time to see if there is a
+ # time till the packets come in
+ while( (time.time()-starttime) < duration):
+ packet=self.client.rxpacket();
+ row = []
+ row.append("%f"%time.time()) #timestamp
+ row.append(0) #error flag (not checking)
+ row.append("rtrRequest_%d"%i) #comment
+ row.append(duration) #sniff time
+ row.append(1) # filtering boolean
+ for byte in packet:
+ row.append("%02x"%ord(byte));
+ dataWriter.writerow(row)
+ print self.client.packet2parsedstr(packet)
+# packet2=self.client.rxpacket();
+#
+# if( packet1 != None and packet2 != None):
+# print "packets recieved :\n "
+# print self.client.packet2parsedstr(packet1);
+# print self.client.packet2parsedstr(packet2);
+# #break
+# elif( packet1 != None):
+# print "just packet1"
+# print self.client.packet2parsedstr(packet1)
+# elif( packet2 != None):
+# print "just packet2"
+# print self.client.packet2parsedstr(packet2)
+ trial += 1
+ print "sweep complete"
+ outfile.close()
+
+
+
+
+
+
+
+
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projects / goodfet / blobdiff