goodfetccspi fix of scapy dissection to not feed it the length byte

[goodfet] / client / GoodFET.py

diff --git a/client/GoodFET.py b/client/GoodFET.py
index 4aec90b..df26c85 100755 (executable)
--- a/client/GoodFET.py
+++ b/client/GoodFET.py
@@ -90,6 +90,10 @@ class GoodFET:
             glob_list = glob.glob("/dev/ttyUSB*");
             if len(glob_list) > 0:
                 port = glob_list[0];
+        if port is None:
+            glob_list = glob.glob("/dev/ttyU0");
+            if len(glob_list) > 0:
+                port = glob_list[0];
         if os.name=='nt':
             from scanwin32 import winScan;
             scan=winScan();
@@ -115,7 +119,8 @@ class GoodFET:
         connected=0;
         while connected==0:
             while self.verb!=0x7F or self.data!="http://goodfet.sf.net/":
-                #print "Resyncing.";
+                if attempts>2:
+                    print "Resyncing.";
                 self.serialport.flushInput()
                 self.serialport.flushOutput()
                 #Explicitly set RTS and DTR to halt board.
@@ -126,6 +131,7 @@ class GoodFET:
                 
                 #TelosB reset, prefer software to I2C SPST Switch.
                 if(os.environ.get("platform")=='telosb'):
+                    #print "TelosB Reset";
                     self.telosBReset();
                 #self.serialport.write(chr(0x80));
                 #self.serialport.write(chr(0x80));
@@ -358,21 +364,21 @@ class GoodFET:
         """Execute supplied code."""
         self.writecmd(0,0x31,2,#len(code),
                       code);
-    def peekbyte(self,address):
+    def MONpeek8(self,address):
         """Read a byte of memory from the monitor."""
         self.data=[address&0xff,address>>8];
         self.writecmd(0,0x02,2,self.data);
         #self.readcmd();
         return ord(self.data[0]);
-    def peekword(self,address):
+    def MONpeek16(self,address):
         """Read a word of memory from the monitor."""
-        return self.peekbyte(address)+(self.peekbyte(address+1)<<8);
+        return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
     def peek(self,address):
         """Read a word of memory from the monitor."""
-        return self.peekbyte(address)+(self.peekbyte(address+1)<<8);
+        return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
     def eeprompeek(self,address):
         """Read a word of memory from the monitor."""
-        return self.peekbyte(address)+(self.peekbyte(address+1)<<8);
+        return self.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
     def peekbysym(self,name):
         """Read a value by its symbol name."""
         #TODO include memory in symbol.
@@ -404,7 +410,7 @@ class GoodFET:
     def dumpmem(self,begin,end):
         i=begin;
         while i<end:
-            print "%04x %04x" % (i, self.peekword(i));
+            print "%04x %04x" % (i, self.MONpeek16(i));
             i+=2;
     def monitor_ram_pattern(self):
         """Overwrite all of RAM with 0xBEEF."""
@@ -460,12 +466,12 @@ class GoodFET:
         print "Performing monitor self-test.";
         self.monitorclocking();
         for f in range(0,3000):
-            a=self.peekword(0x0c00);
-            b=self.peekword(0x0c02);
+            a=self.MONpeek16(0x0c00);
+            b=self.MONpeek16(0x0c02);
             if a!=0x0c04 and a!=0x0c06:
                 print "ERROR Fetched %04x, %04x" % (a,b);
             self.pokebyte(0x0021,0); #Drop LED
-            if self.peekbyte(0x0021)!=0:
+            if self.MONpeek8(0x0021)!=0:
                 print "ERROR, P1OUT not cleared.";
             self.pokebyte(0x0021,1); #Light LED
             if not self.monitorecho():
@@ -509,16 +515,16 @@ class GoodFET:
     
     def monitorsetclock(self,clock):
         """Set the clocking value."""
-        self.poke16(0x56, clock);
+        self.MONpoke16(0x56, clock);
     def monitorgetclock(self):
         """Get the clocking value."""
-        return self.peek16(0x56);
+        return self.MONpeek16(0x56);
     # The following functions ought to be implemented in
     # every client.
     
     def infostring(self):
-        a=self.peekbyte(0xff0);
-        b=self.peekbyte(0xff1);
+        a=self.MONpeek8(0xff0);
+        b=self.MONpeek8(0xff1);
         return "%02x%02x" % (a,b);
     def lock(self):
         print "Locking Unsupported.";
@@ -559,10 +565,7 @@ class GoodFET:
                 (self.peek8(address+1,memory)<<8));
     def peek8(self,address, memory="vn"):
         """Peek a byte of memory."""
-        return self.peekbyte(address); #monitor
-    def peekword(self,address, memory="vn"):
-        """Peek a natively sized word of memory."""
-        return self.peek16(address); #monitor
+        return self.MONpeek8(address); #monitor
     def peekblock(self,address,length,memory="vn"):
         """Return a block of data."""
         data=range(0,length);