Rewriting the glitching code for the GoodFET24.
[goodfet] / client / GoodFET.py
index e0f6431..353d937 100755 (executable)
@@ -13,7 +13,8 @@ fmt = ("B", "<H", None, "<L")
 def getClient(name="GoodFET"):
     import GoodFET, GoodFETCC, GoodFETAVR, GoodFETSPI, GoodFETMSP430, GoodFETNRF;
     if(name=="GoodFET" or name=="monitor"): return GoodFET.GoodFET();
-    elif name=="cc" or name=="chipcon": return GoodFETCC.GoodFETCC();
+    elif name=="cc" or name=="cc51": return GoodFETCC.GoodFETCC();
+    elif name=="cc2420" or name=="ccspi": return GoodFETCC.GoodFETCC();
     elif name=="avr": return GoodFETAVR.GoodFETAVR();
     elif name=="spi": return GoodFETSPI.GoodFETSPI();
     elif name=="msp430": return GoodFETMSP430.GoodFETMSP430();
@@ -71,7 +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.
         
@@ -89,7 +90,21 @@ 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();
+            for order,comport,desc,hwid in sorted(scan.comports()):
+                try:
+                    if hwid.index('FTDI')==0:
+                        port=comport;
+                        #print "Using FTDI port %s" % port
+                except:
+                    #Do nothing.
+                    a=1;
         
         self.serialport = serial.Serial(
             port,
@@ -104,7 +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.
@@ -112,6 +130,17 @@ class GoodFET:
                 self.serialport.setDTR(1);
                 #Drop DTR, which is !RST, low to begin the app.
                 self.serialport.setDTR(0);
+                
+                #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));
+                #self.serialport.write(chr(0x80));
+                #self.serialport.write(chr(0x80));
+                
+                
                 self.serialport.flushInput()
                 self.serialport.flushOutput()
                 #time.sleep(60);
@@ -129,7 +158,78 @@ 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):
+        self.serialport.setDTR(not level)
+
+    def telosI2CStart(self):
+        self.telosSetSDA(1)
+        self.telosSetSCL(1)
+        self.telosSetSDA(0)
+
+    def telosI2CStop(self):
+        self.telosSetSDA(0)
+        self.telosSetSCL(1)
+        self.telosSetSDA(1)
+
+    def telosI2CWriteBit(self, bit):
+        self.telosSetSCL(0)
+        self.telosSetSDA(bit)
+        time.sleep(2e-6)
+        self.telosSetSCL(1)
+        time.sleep(1e-6)
+        self.telosSetSCL(0)
+
+    def telosI2CWriteByte(self, byte):
+        self.telosI2CWriteBit( byte & 0x80 );
+        self.telosI2CWriteBit( byte & 0x40 );
+        self.telosI2CWriteBit( byte & 0x20 );
+        self.telosI2CWriteBit( byte & 0x10 );
+        self.telosI2CWriteBit( byte & 0x08 );
+        self.telosI2CWriteBit( byte & 0x04 );
+        self.telosI2CWriteBit( byte & 0x02 );
+        self.telosI2CWriteBit( byte & 0x01 );
+        self.telosI2CWriteBit( 0 );  # "acknowledge"
+
+    def telosI2CWriteCmd(self, addr, cmdbyte):
+        self.telosI2CStart()
+        self.telosI2CWriteByte( 0x90 | (addr << 1) )
+        self.telosI2CWriteByte( cmdbyte )
+        self.telosI2CStop()
+
+    def telosBReset(self,invokeBSL=0):
+        # "BSL entry sequence at dedicated JTAG pins"
+        # rst !s0: 0 0 0 0 1 1
+        # tck !s1: 1 0 1 0 0 1
+        #   s0|s1: 1 3 1 3 2 0
+
+        # "BSL entry sequence at shared JTAG pins"
+        # rst !s0: 0 0 0 0 1 1
+        # tck !s1: 0 1 0 1 1 0
+        #   s0|s1: 3 1 3 1 0 2
+
+        if invokeBSL:
+            self.telosI2CWriteCmd(0,1)
+            self.telosI2CWriteCmd(0,3)
+            self.telosI2CWriteCmd(0,1)
+            self.telosI2CWriteCmd(0,3)
+            self.telosI2CWriteCmd(0,2)
+            self.telosI2CWriteCmd(0,0)
+        else:
+            self.telosI2CWriteCmd(0,3)
+            self.telosI2CWriteCmd(0,2)
+
+        # This line was not defined inside the else: block, not sure where it
+        # should be however
+        self.telosI2CWriteCmd(0,0)
+        time.sleep(0.250)       #give MSP430's oscillator time to stabilize
+        self.serialport.flushInput()  #clear buffers
+
+
     def getbuffer(self,size=0x1c00):
         writecmd(0,0xC2,[size&0xFF,(size>>16)&0xFF]);
         print "Got %02x%02x buffer size." % (self.data[1],self.data[0]);
@@ -188,15 +288,19 @@ class GoodFET:
                         print "# DEBUG %s" % self.serialport.read(self.count)
                            elif self.verb==0xFE:
                         print "# DEBUG 0x%x" % struct.unpack(fmt[self.count-1], self.serialport.read(self.count))[0]
+                    elif self.verb==0xFD:
+                        #Do nothing, just wait so there's no timeout.
+                        print "# NOP.";
+                        
                     sys.stdout.flush();
                 else:
                     self.data=self.serialport.read(self.count);
                     return self.data;
             except TypeError:
                 if self.connected:
-                    print "Error: waiting for serial read timed out (most likely).";
-                    print "This shouldn't happen after syncing.  Exiting for safety.";
-                    sys.exit(-1)
+                    print "Warning: waiting for serial read timed out (most likely).";
+                    #print "This shouldn't happen after syncing.  Exiting for safety.";                    
+                    #sys.exit(-1)
                 return self.data;
     #Glitching stuff.
     def glitchApp(self,app):
@@ -220,8 +324,11 @@ class GoodFET:
         """Time the execution of a verb."""
         if data==None: data=[];
         self.data=[app&0xff, verb&0xFF]+data;
+        print "Timing app %02x verb %02x." % (app,verb);
         self.writecmd(self.GLITCHAPP,0x82,len(self.data),self.data);
-        return ord(self.data[0])+(ord(self.data[1])<<8);
+        time=ord(self.data[0])+(ord(self.data[1])<<8);
+        print "Timed to be %i." % time;
+        return time;
     def glitchVoltages(self,low=0x0880, high=0x0fff):
         """Set glitching voltages. (0x0fff is max.)"""
         self.data=[low&0xff, (low>>8)&0xff,
@@ -261,24 +368,60 @@ 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.MONpeek8(address)+(self.MONpeek8(address+1)<<8);
+    def peek(self,address):
+        """Read a word of memory from the monitor."""
+        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);
         return ord(self.data[0]);
+    def poke16(self,address,value):
+        """Set a word of memory by the monitor."""
+        self.pokebyte(address,value&0xFF);
+        self.pokebyte(address,(value>>8)&0xFF);
+        return value;
+    def setsecret(self,value):
+        """Set a secret word for later retreival.  Used by glitcher."""
+        #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);
+        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."""
@@ -334,12 +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():
@@ -353,17 +496,46 @@ class GoodFET:
             if self.verbose: print "Comm error recognized by monitorecho().";
             return 0;
         return 1;
-    def monitorclocking(self):
-        DCOCTL=self.peekbyte(0x0056);
-        BCSCTL1=self.peekbyte(0x0057);
-        return "0x%02x, 0x%02x" % (DCOCTL, BCSCTL1);
 
+    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.MONpoke16(0x56, clock);
+    def monitorgetclock(self):
+        """Get the clocking value."""
+        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.";
@@ -394,14 +566,29 @@ class GoodFET:
     def dump(self,file,start=0,stop=0xffff):
         """Dump an intel hex file from code memory."""
         print "Dump not implemented.";
-
     def peek32(self,address, memory="vn"):
+        """Peek 32 bits."""
         return (self.peek16(address,memory)+
                 (self.peek16(address+2,memory)<<16));
     def peek16(self,address, memory="vn"):
+        """Peek 16 bits of memory."""
         return (self.peek8(address,memory)+
                 (self.peek8(address+1,memory)<<8));
     def peek8(self,address, memory="vn"):
-        return self.peekbyte(address); #monitor
+        """Peek a byte of memory."""
+        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;