X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2FGoodFET.py;h=c3ab99e6d8a5b3a662e5ab6e0c99ef8dc07c0f1d;hp=7e327730a0d3f6f25144428712d62f1f1a6ab477;hb=d37fc4cb79d9361dbc70bab5f5ae0306dbbb2254;hpb=08d4b0b5273fa05983e1564d1aac464c56b70200

diff --git a/client/GoodFET.py b/client/GoodFET.py
index 7e32773..c3ab99e 100755
--- a/client/GoodFET.py
+++ b/client/GoodFET.py
@@ -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();
@@ -93,10 +94,13 @@ class GoodFET:
             from scanwin32 import winScan;
             scan=winScan();
             for order,comport,desc,hwid in sorted(scan.comports()):
-                if hwid.index('FTDI')==0:
-                    port=comport;
-                    #print "Using FTDI port %s" % port
-                    
+                try:
+                    if hwid.index('FTDI')==0:
+                        port=comport;
+                        #print "Using FTDI port %s" % port
+                except:
+                    #Do nothing.
+                    a=1;
         
         self.serialport = serial.Serial(
             port,
@@ -119,6 +123,16 @@ 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'):
+                    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);
@@ -136,7 +150,75 @@ class GoodFET:
                     break;
         if self.verbose: print "Connected after %02i attempts." % attempts;
         self.mon_connected();
-        
+    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]);
@@ -195,6 +277,10 @@ 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);
@@ -202,7 +288,7 @@ class GoodFET:
             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.";
+                    print "This shouldn't happen after syncing.  Exiting for safety.";                    
                     sys.exit(-1)
                 return self.data;
     #Glitching stuff.
@@ -227,8 +313,11 @@ 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,
@@ -277,11 +366,26 @@ class GoodFET:
     def peekword(self,address):
         """Read a word of memory from the monitor."""
         return self.peekbyte(address)+(self.peekbyte(address+1)<<8);
+    def peek(self,address):
+        """Read a word of memory from the monitor."""
+        return self.peekbyte(address)+(self.peekbyte(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):
         """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 setsecret(self,value):
+        """Set a secret word for later retreival.  Used by glitcher."""
+        self.eeprompoke(0,value);
+        self.eeprompoke(1,value);
+    def getsecret(self):
+        """Get a secret word.  Used by glitcher."""
+        self.eeprompeek(0);
+    
     def dumpmem(self,begin,end):
         i=begin;
         while i<end: