Removed unnecessary dependencies on py-serial for better use with the py-bluez devices.

[goodfet] / client / GoodFETMSP430.py

diff --git a/client/GoodFETMSP430.py b/client/GoodFETMSP430.py
index a70c656..6d1184c 100644 (file)
--- a/client/GoodFETMSP430.py
+++ b/client/GoodFETMSP430.py
@@ -5,13 +5,17 @@
 #
 # Presently being rewritten.
 
-import sys, time, string, cStringIO, struct, glob, serial, os;
+import sys, time, string, cStringIO, struct, glob, os;
 
 from GoodFET import GoodFET;
 
 class GoodFETMSP430(GoodFET):
+    #Set APP to be MSP430APP or MSP430X2APP, the latter being preferred.
+    
+    #0x16 for class, 0x17 for SBW, 0x11 by default
     APP=0x11;
-    MSP430APP=0x11;  #Changed by inheritors.
+    MSP430APP=0x11;    
+    
     CoreID=0;
     DeviceID=0;
     JTAGID=0;
@@ -25,12 +29,12 @@ class GoodFETMSP430(GoodFET):
         self.writecmd(self.MSP430APP,0x21,0,self.data);
     
     def MSP430coreid(self):
-        """Get the Core ID."""
+        """Get the Core ID. (MSP430X2 only?)"""
         self.writecmd(self.MSP430APP,0xF0);
         CoreID=ord(self.data[0])+(ord(self.data[1])<<8);
         return CoreID;
     def MSP430deviceid(self):
-        """Get the Device ID."""
+        """Get the Device ID. (MSP430X2 only?)"""
         self.writecmd(self.MSP430APP,0xF1);
         DeviceID=(
             ord(self.data[0])+(ord(self.data[1])<<8)+
@@ -38,17 +42,20 @@ class GoodFETMSP430(GoodFET):
         return DeviceID;
     def peek16(self,adr,memory="vn"):
         return self.MSP430peek(adr);
-    def peek8(self,address, memory="vn"):
+    def peek(self,adr,memory="vn"):
+        return self.MSP430peek(adr);
+    def peek8(self,adr, memory="vn"):
         adr=self.MSP430peek(adr&~1);
         if adr&1==0: return adr&0xFF;
         else: return adr>>8;
+
     def MSP430peek(self,adr):
         """Read a word at an address."""
         self.data=[adr&0xff, (adr&0xff00)>>8,
                    (adr&0xff0000)>>16,(adr&0xff000000)>>24,
                    ];
         self.writecmd(self.MSP430APP,0x02,4,self.data);
-        
+        #print "Got %i bytes peeking 0x%04x." % (len(self.data),adr);
         return ord(self.data[0])+(ord(self.data[1])<<8);
     def MSP430peekblock(self,adr):
         """Grab a few block from an SPI Flash ROM.  Block size is unknown"""
@@ -66,7 +73,7 @@ class GoodFETMSP430(GoodFET):
         self.writecmd(self.MSP430APP,0x03,6,self.data);
         written=ord(self.data[0])+(ord(self.data[1])<<8);
         if(written!=val):
-            print "Failed to write 0x%04x to 0x$04x" % (val,adr);
+            print "Failed to write 0x%04x to 0x%04x" % (val,adr);
         return written;
     def MSP430pokeflash(self,adr,val):
         """Write the contents of flash memory at an address."""
@@ -75,6 +82,12 @@ class GoodFETMSP430(GoodFET):
                    val&0xff, (val&0xff00)>>8];
         self.writecmd(self.MSP430APP,0xE1,6,self.data);
         return ord(self.data[0])+(ord(self.data[1])<<8);
+    def setsecret(self,value):
+        """Set a secret word for later retreival.  Used by glitcher."""
+        self.MSP430pokeflash(0xFFFE,value);
+    def getsecret(self):
+        """Get a secret word.  Used by glitcher."""
+        return self.peek(0xfffe);
     def MSP430pokeflashblock(self,adr,data):
         """Write many words to flash memory at an address."""
         self.data=[adr&0xff, (adr&0xff00)>>8,
@@ -87,6 +100,11 @@ class GoodFETMSP430(GoodFET):
         """Start debugging."""
         self.writecmd(self.MSP430APP,0x20,0,self.data);
         self.JTAGID=ord(self.data[0]);
+        if(not (self.JTAGID==0x89 or self.JTAGID==0x91)):
+            #Try once more
+            self.writecmd(self.MSP430APP,0x20,0,self.data);
+            self.JTAGID=ord(self.data[0]);
+        
         #print "Identified as %02x." % self.JTAGID;
         if(not (self.JTAGID==0x89 or self.JTAGID==0x91)):
             print "Error, misidentified as %02x.\nCheck wiring, as this should be 0x89 or 0x91." % self.JTAGID;
@@ -192,7 +210,8 @@ class GoodFETMSP430(GoodFET):
         
         print "Tests complete, erasing."
         self.MSP430masserase();
-        
+    def erase(self):
+        self.MSP430masserase();
     def MSP430masserase(self):
         """Erase MSP430 flash memory."""
         self.writecmd(self.MSP430APP,0xE3,0,None);