# SNIFF
##########################
- def sniff(self,freq,duration,description, verbose=True, comment=None, filename=None, standardid=None, debug = False):
+ def sniff(self,freq,duration,description, verbose=True, comment=None, filename=None, standardid=None, debug=False):
#### ON-CHIP FILTERING
if(standardid != None):
return packetcount
- def filterStdSweep(self, freq = freq, time = 5):
+ def filterStdSweep(self, 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)
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[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 = [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);
#
if(args.verb=="sniff"):
- comm.sniff(freq=freq,duration=duration,description=description,verbose=verbose,comment=comments,filename=filename, standardid=standardid)
+ comm.sniff(freq=freq,duration=duration,description=description,verbose=verbose,comment=comments,filename=filename, standardid=standardid, debug=debug)
##########################
# SNIFF TEST
# 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)