GUI updated to include writing and experiment capabilities. Updated spit capabilities...
[goodfet] / client / GoodFETMCPCANCommunication.py
index 7d8c205..eb8ba45 100644 (file)
@@ -17,7 +17,7 @@ import array;
 import csv, time, argparse;
 import datetime
 import os
-
+from random import randrange
 from GoodFETMCPCAN import GoodFETMCPCAN;
 from intelhex import IntelHex;
 
@@ -72,7 +72,7 @@ class GoodFETMCPCANCommunication:
     #   SNIFF
     ##########################
          
-    def sniff(self,freq,duration,description, verbose=True, comment=None, filename=None, standardid=None, debug=False, faster=False):
+    def sniff(self,freq,duration,description, verbose=True, comment=None, filename=None, standardid=None, debug=False, faster=False, parsed=True):
         
         #reset eveything on the chip
         self.client.serInit() 
@@ -122,7 +122,7 @@ class GoodFETMCPCANCommunication:
         
                if (verbose == True):
                    print "Filtering for SID %d (0x%02xh) with filter #%d"%(ID, ID, filter);
-               comment = comment + ("f%d" %(ID))
+               comment += ("f%d" %(ID))
         
         
         self.client.MCPsetrate(freq);
@@ -174,7 +174,24 @@ class GoodFETMCPCANCommunication:
                 row.append("%f"%time.time());
                 
                 if( verbose==True):
-                    print self.client.packet2str(packet)
+                    #if we want to print a parsed message
+                    if( parsed == True):
+                        packetParsed = self.client.packet2parsed(packet)
+                        sId = packetParsed.get('sID')
+                        msg = "sID: %04d" %sId
+                        if( packetParsed.get('eID')):
+                            msg += " eID: %d" %packetParsed.get('eID')
+                        msg += " rtr: %d"%packetParsed['rtr']
+                        length = packetParsed['length']
+                        msg += " length: %d"%length
+                        msg += " data:"
+                        for i in range(0,length):
+                            dbidx = 'db%d'%i
+                            msg +=" %03d"% ord(packetParsed[dbidx])
+                        print msg
+                    # if we want to print just the message as it is read off the chip
+                    else:
+                        print self.client.packet2str(packet)
                 
                 if(debug == True):
                     
@@ -218,22 +235,52 @@ class GoodFETMCPCANCommunication:
         return packetcount
         
         
-    def filterStdSweep(self, freq, time = 5):
+    def filterStdSweep(self, freq, low, high, time = 5):
         msgIDs = []
-        for i in range(0, 2047, 6):
+        self.client.serInit()
+        self.client.MCPsetup()
+        for i in range(low, high, 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)
+            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: %d" % (j)
+                    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])
+                    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,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
+    
     def sniffTest(self, freq):
         
         rate = freq;
@@ -259,6 +306,7 @@ class GoodFETMCPCANCommunication:
    
     
     def freqtest(self,freq):
+        
         self.client.MCPsetup();
 
         self.client.MCPsetrate(freq);
@@ -307,74 +355,97 @@ class GoodFETMCPCANCommunication:
                 print "Data: " + self.client.packet2str(data);
 
     def test(self):
-        print "\nMCP2515 Self Test:";
         
-        #Switch to config mode and try to rewrite TEC.
+        comm.reset();
+        print "Just reset..."
+        print "EFLG register:  %02x" % self.client.peek8(0x2d);
+        print "Tx Errors:  %3d" % self.client.peek8(0x1c);
+        print "Rx Errors:  %3d" % self.client.peek8(0x1d);
+        print "CANINTF: %02x"  %self.client.peek8(0x2C);
         self.client.MCPreqstatConfiguration();
-        self.client.poke8(0x00,0xde);
-        if self.client.peek8(0x00)!=0xde:
-            print "ERROR: Poke to TEC failed.";
-        else:
-            print "SUCCESS: Register read/write.";
-        
-        #Switch to Loopback mode and try to catch our own packet.
-        self.client.MCPreqstatLoopback();
-    
-        packet1 = [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]
-        self.client.txpacket(packet1);
-        self.client.txpacket(packet1);
-        print "Waiting on loopback packets.";
+        self.client.poke8(0x60,0x66);
+        self.client.MCPsetrate(500);
+        self.client.MCPreqstatNormal();
+        print "In normal mode now"
+        print "EFLG register:  %02x" % self.client.peek8(0x2d);
+        print "Tx Errors:  %3d" % self.client.peek8(0x1c);
+        print "Rx Errors:  %3d" % self.client.peek8(0x1d);
+        print "CANINTF: %02x"  %self.client.peek8(0x2C);
+        print "Waiting on packets.";
+        checkcount = 0;
         packet=None;
         while(1):
             packet=self.client.rxpacket();
             if packet!=None:
                 print "Message recieved: %s" % self.client.packet2str(packet);
-                break;
+            else:
+                checkcount=checkcount+1;
+                if (checkcount%30==0):
+                    print "EFLG register:  %02x" % self.client.peek8(0x2d);
+                    print "Tx Errors:  %3d" % self.client.peek8(0x1c);
+                    print "Rx Errors:  %3d" % self.client.peek8(0x1d);
+                    print "CANINTF: %02x"  %self.client.peek8(0x2C);
+
     
         
-    def spit(self,freq, standardid,debug):
-        
+    def spitSetup(self,freq):
         comm.reset();
         self.client.MCPsetrate(freq);
         self.client.MCPreqstatNormal();
         
-        if(debug==True):
-            print "\n\nATTEMPTING TRANSMISSION!!!"
-            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\n"  %self.client.peek8(0x2C);
+    def spit(self,freq, standardid,debug, packet = None):
+        
+        #comm.reset();
+        #self.client.MCPsetrate(freq);
+        #self.client.MCPreqstatNormal();
+        
+        print "initial state:"
+        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\n"  %self.client.peek8(0x2C);
+        print "\n\nATTEMPTING TRANSMISSION!!!"
+
     
         #### split SID into different regs
         SIDlow = (standardid[0] & 0x03) << 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
         
-        packet = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
-                  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]    
+        #packet = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
+        #          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);
+        if(packet == None):
+            packetE = [SIDhigh, SIDlow | 0x80, 0x00,0x00, # pad out EID regs
+                      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] 
+        else:
+            packetE = [SIDhigh, SIDlow | 0x80, 0x00,0x00, # pad out EID regs
+                      0x08, # bit 6 must be set to 0 for data frame (1 for RTR) 
+                      # lower nibble is DLC    
+                      packet[0],packet[1],packet[2],packet[3],packet[4],packet[5],packet[6],packet[7],packet[8]]
         
-        TXB0CTRL = self.client.peek8(0x30);
+        self.client.txpacket(packetE);
         
-        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);
-        self.client.MCPbitmodify(0x30,0x08,0x00);
-        print "TXB0CTRL modified to: %02x\n" %self.client.peek8(0x30);
+        checkcount = 0;
+        TXB0CTRL = self.client.peek8(0x30);
         
-        print "CANINTF: %02x"  %self.client.peek8(0x2C);
-        self.client.MCPbitmodify(0x2C,0x80,0x00);
-        print "INT Flags modified to:  %02x\n" % self.client.peek8(0x2c);
+        while(TXB0CTRL | 0x00 != 0x00):
+            checkcount+=1;
+            TXB0CTRL = self.client.peek8(0x30);
+            if (checkcount %30 ==0):
+                print "Tx Errors:  %3d" % self.client.peek8(0x1c);
+                print "Rx Errors:  %3d" % self.client.peek8(0x1d);
+                print "EFLG register:  %02x" % self.client.peek8(0x2d);
+                print "TXB0CTRL: %02x" %TXB0CTRL;
+                print "CANINTF: %02x\n"  %self.client.peek8(0x2C);
 
+
+    def setRate(self,freq):
+        self.client.MCPsetrate(freq);