added a sweep method to go through all possible standard ids and returns ids that...

[goodfet] / client / GoodFETMCPCANCommunication.py

diff --git a/client/GoodFETMCPCANCommunication.py b/client/GoodFETMCPCANCommunication.py
index 8fbec7e..21bdfc0 100644 (file)
--- a/client/GoodFETMCPCANCommunication.py
+++ b/client/GoodFETMCPCANCommunication.py
@@ -15,6 +15,8 @@ import sys;
 import binascii;
 import array;
 import csv, time, argparse;
+import datetime
+import os
 
 from GoodFETMCPCAN import GoodFETMCPCAN;
 from intelhex import IntelHex;
@@ -25,7 +27,9 @@ class GoodFETMCPCANCommunication:
        self.client=GoodFETMCPCAN();
        self.client.serInit()
        self.client.MCPsetup();
+       self.DATALOCATION = "../../contrib/ThayerData/"
        
+
     
     def printInfo(self):
         
@@ -63,11 +67,12 @@ class GoodFETMCPCANCommunication:
     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):
@@ -112,12 +117,21 @@ class GoodFETMCPCANCommunication:
                self.client.poke8(RXFSIDL, SIDlow);
         
                if (verbose == True):
-                   print "Filtering for SID %d (0x%02xh) with filter #%d"%(ID, ID, filter);
-                comment = comment + "%d " %(ID);
+                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']);
@@ -179,13 +193,33 @@ class GoodFETMCPCANCommunication:
                     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;
@@ -346,7 +380,7 @@ if __name__ == "__main__":
     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);
@@ -394,7 +428,7 @@ if __name__ == "__main__":
     #
     
     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
@@ -407,6 +441,7 @@ if __name__ == "__main__":
     if(args.verb=="snifftest"):
         comm.sniffTest(freq=freq)
         
+        
     ##########################
     #   FREQ TEST
     ##########################
@@ -420,6 +455,8 @@ if __name__ == "__main__":
     if(args.verb=="freqtest"):
         comm.freqtest(freq=freq)
 
+
+
     ##########################
     #   iSniff
     ##########################