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;
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)+
return DeviceID;
def peek16(self,adr,memory="vn"):
return self.MSP430peek(adr);
+ 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"""
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."""
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,
"""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;
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);