Added a section for viewing arbitration IDs information. This will be stored in a...

[goodfet] / client / FordExperiments.py

diff --git a/client/FordExperiments.py b/client/FordExperiments.py
index 2baf551..3318514 100644 (file)
--- a/client/FordExperiments.py
+++ b/client/FordExperiments.py
@@ -6,22 +6,24 @@ import datetime
 import os
 from random import randrange
 from GoodFETMCPCAN import GoodFETMCPCAN;
+from experiments import experiments
 from GoodFETMCPCANCommunication import GoodFETMCPCANCommunication
 from intelhex import IntelHex;
 import Queue
 import math
 
 tT = time
-class FordExperiments(GoodFETMCPCANCommunication):
+class FordExperiments(experiments):
     
-    def init(self):
-        super(FordExperimetns,self).__init__(self) #initialize chip
+    def __init__(self, dataLocation = "../../contrib/ThayerData/"):
+        GoodFETMCPCANCommunication.__init__(self, dataLocation)
+        #super(FordExperiments,self).__init__(self) #initialize chip
         self.freq = 500;
 
     def mimic1056(self,packetData,runTime):
         #setup chip
         self.client.serInit()
-        self.spitSetup(500)
+        self.spitSetup(self.freq)
         #FIGURE out how to clear buffers
         self.addFilter([1056, 1056, 1056, 1056,1056, 1056], verbose=False)
         packet1 = self.client.rxpacket();
@@ -114,7 +116,7 @@ class FordExperiments(GoodFETMCPCANCommunication):
         while( (time.time()-recieveTime) < runTime):
             #care about db3 or packet[8] that we want to count at the rate that it is
             dT = time.time()-tpast
-            packetValue += 1
+            packetValue += 10
             pV = packetValue%255
             #temp = ((packetValue+1))%2
             #if( temp == 1):
@@ -141,6 +143,25 @@ class FordExperiments(GoodFETMCPCANCommunication):
             
         #recieveTime = time.time()
         return packetParsed
+
+    def cycle4packets1279(self):
+        self.client.serInit()
+        self.spitSetup(500)
+        # filter on 1279
+        self.addFilter([1279, 1279, 1279, 1279, 1279, 1279], verbose = False)
+        packetParsed = self.getBackground(1279)
+        packet = []
+        if (packetParsed[db0] == 16):
+            # if it's the first of the four packets, replace the value in db7  with 83
+            packetParsed[db7] = 83
+            # transmit new packet
+            self.client.txpacket(packetParsed)
+        else:
+        # otherwise, leave it alone
+            # transmit same pakcet we read in
+            self.client.txpacket(packetParsed)
+        # print the packet we are transmitting
+        print packetParsed
         
         
     def oscillateTemperature(self,time):
@@ -187,11 +208,67 @@ class FordExperiments(GoodFETMCPCANCommunication):
         print packetCount;
         
         
+    def fakeVIN(self):
+       #reset eveything on the chip
+       self.client.serInit() 
+       self.reset()
+       duration = 20; #seconds 
+       
+       listenID = 2015
+       listenPacket = [2, 9, 6, 153, 153, 153, 153, 153]
+       responseID = 2024
+       #actual response by the car
+       #r1 = [34, 88, 0, 0, 0, 0, 0, 0]
+       #r2 = [33, 75, 50, 78, 51, 46, 72, 69 ]
+       #r3 = [16, 19, 73, 4, 1, 70, 65, 66]
+       
+       r1 = [34, 88, 0, 0, 0, 0, 0, 0]
+       r2 = [33, 75, 50, 78, 51, 46, 72, 69 ]
+       r3 = [16, 19, 73, 160, 159, 70, 65, 66]
+       
+       #format
+       SIDlow = (responseID & 0x07) << 5;  # get SID bits 2:0, rotate them to bits 7:5
+       SIDhigh = (responseID >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
+       packet1 = [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                   
+                 r1[0],r1[1],r1[2],r1[3],r1[4],r1[5],r1[6],r1[7]]
+       packet2 = [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                   
+                 r2[0],r2[1],r2[2],r2[3],r2[4],r2[5],r2[6],r2[7]]
+       packet3 = [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                   
+                 r3[0],r3[1],r3[2],r3[3],r3[4],r3[5],r3[6],r3[7]]
+
+       self.multiPacketSpit(packet0 = r1, packet1 = r2, packet2 = r3, packet0rts = True, packet1rts = True, packet2rts = True)
+
+       #filter for the correct packet
+       self.filterForPacket(listenID, listenPacket[0],listenPacket[1], verbose = True)
+       self.client.rxpacket()
+       self.client.rxpacket() # flush buffers if there is anything
+       startTime = tT.time()
+       while( (tT.time() -startTime) < duration):
+           packet = self.client.rxpacket()
+           if( packet != None):
+               sid =  ord(packet[0])<<3 | ord(packet[1])>>5
+               if( sid == listenID):
+                   byte3 = ord(packet[6])
+                   if( byte3 == listenPacket[3]):
+                       print "SendingPackets!"
+                       #send packets
+                       self.multpackSpit(packet0rts=True,packet1rts=True,packet2rts=True)
+                       
+       
+       
+        
 if __name__ == "__main__":
-    fe = FordExperiments();
-    packetData = {}
-    packetData['db4'] = 4;
-    runTime = 100;
+    fe = FordExperiments("asdsf");
+    #packetData = {}
+    #packetData['db4'] = 4;
+    #runTime = 100;
     #fe.mimic1056(packetData, runTime)
     #fe.cycledb1_1056(runTime)
-    fe.oscillateTemperature(runTime)
+    #fe.oscillateTemperature(runTime)
+    fe.fakeVIN()