Rewriting the glitching code for the GoodFET24.
[goodfet] / client / GoodFET.py
index e459a91..353d937 100755 (executable)
@@ -72,7 +72,7 @@ class GoodFET:
         return self.symbols.get(name);
     def timeout(self):
         print "timeout\n";
-    def serInit(self, port=None, timeout=2):
+    def serInit(self, port=None, timeout=2, attemptlimit=None):
         """Open the serial port"""
         # Make timeout None to wait forever, 0 for non-blocking mode.
         
@@ -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 +119,10 @@ class GoodFET:
         connected=0;
         while connected==0:
             while self.verb!=0x7F or self.data!="http://goodfet.sf.net/":
-                #print "Resyncing.";
+                if attemptlimit is not None and attempts >= attemptlimit:
+                    return
+                elif attempts>2:
+                    print "Resyncing.";
                 self.serialport.flushInput()
                 self.serialport.flushOutput()
                 #Explicitly set RTS and DTR to halt board.
@@ -126,6 +133,7 @@ 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));
@@ -150,6 +158,9 @@ class GoodFET:
                     break;
         if self.verbose: print "Connected after %02i attempts." % attempts;
         self.mon_connected();
+        self.serialport.setTimeout(12);
+    def serClose(self):
+        self.serialport.close();
     def telosSetSCL(self, level):
         self.serialport.setRTS(not level)
     def telosSetSDA(self, level):
@@ -357,23 +368,33 @@ 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);
-    
-    def pokebyte(self,address,value):
+        print "EEPROM peeking not supported for the monitor.";
+        #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.
+        reg=self.symbols.get(name);
+        return self.peek8(reg,"data");
+    def pokebysym(self,name,val):
+        """Write a value by its symbol name."""
+        #TODO include memory in symbol.
+        reg=self.symbols.get(name);
+        return self.pokebyte(reg,val);
+    def pokebyte(self,address,value,memory="vn"):
         """Set a byte of memory by the monitor."""
         self.data=[address&0xff,address>>8,value];
         self.writecmd(0,0x03,3,self.data);
@@ -385,16 +406,22 @@ class GoodFET:
         return value;
     def setsecret(self,value):
         """Set a secret word for later retreival.  Used by glitcher."""
-        self.eeprompoke(0,value);
-        self.eeprompoke(1,value);
+        #self.eeprompoke(0,value);
+        #self.eeprompoke(1,value);
+        print "Secret setting is not yet suppored for this target.";
+        print "Aborting.";
+        
     def getsecret(self):
         """Get a secret word.  Used by glitcher."""
-        self.eeprompeek(0);
+        #self.eeprompeek(0);
+        print "Secret setting is not yet suppored for this target.";
+        print "Aborting.";
+        sys.exit();
     
     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."""
@@ -450,12 +477,12 @@ 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():
@@ -469,22 +496,46 @@ class GoodFET:
             if self.verbose: print "Comm error recognized by monitorecho().";
             return 0;
         return 1;
+
+    def monitor_info(self):
+        print "GoodFET with %s MCU" % self.infostring();
+        print "Clocked at %s" % self.monitorclocking();
+        return 1;
+
+    def monitor_list_apps(self, full=False): 
+        self.monitor_info()
+        old_value = self.besilent
+        self.besilent = True    # turn off automatic call to readcmd
+        self.writecmd(self.MONITORAPP, 0x82, 1, [int(full)]);
+        self.besilent = old_value
+        
+        # read the build date string 
+        self.readcmd()
+        print "Build Date: %s" % self.data
+        print "Firmware apps:"
+        while True:
+            self.readcmd()
+            if self.count == 0:
+                break
+            print self.data
+        return 1;
+
     def monitorclocking(self):
         """Return the 16-bit clocking value."""
         return "0x%04x" % self.monitorgetclock();
     
     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.";
@@ -525,16 +576,19 @@ 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.peek(address); #monitor
+        return self.MONpeek8(address); #monitor
     def peekblock(self,address,length,memory="vn"):
         """Return a block of data."""
         data=range(0,length);
         for foo in range(0,length):
             data[foo]=self.peek8(address+foo,memory);
         return data;
+    def pokeblock(self,address,bytes,memory="vn"):
+        """Poke a block of a data into memory at an address."""
+        for foo in bytes:
+            self.pokebyte(address,foo,memory);
+            address=address+1;
+        return;
     def loadsymbols(self):
         """Load symbols from a file."""
         return;