"""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,1);
+ ];
+ self.writecmd(self.MSP430APP,0x02,4,self.data);
+
return ord(self.data[0])+(ord(self.data[1])<<8);
- def MSP430peekblock(self,adr,blocks=1):
+ def MSP430peekblock(self,adr):
"""Grab a few block from an SPI Flash ROM. Block size is unknown"""
data=[adr&0xff, (adr&0xff00)>>8,
- (adr&0xff0000)>>16,(adr&0xff000000)>>24,
- blocks];
-
- self.writecmd(self.MSP430APP,0x02,5,data,blocks);
+ (adr&0xff0000)>>16,(adr&0xff000000)>>24,
+ 0x00,0x04];
+ self.writecmd(self.MSP430APP,0x02,6,data);
return self.data;
def MSP430poke(self,adr,val):
val&0xff, (val&0xff00)>>8];
self.writecmd(self.MSP430APP,0x03,6,self.data);
return ord(self.data[0])+(ord(self.data[1])<<8);
+ def MSP430pokeflash(self,adr,val):
+ """Write the contents of flash memory at an address."""
+ self.data=[adr&0xff, (adr&0xff00)>>8,
+ (adr&0xff0000)>>16,(adr&0xff000000)>>24,
+ val&0xff, (val&0xff00)>>8];
+ self.writecmd(self.MSP430APP,0xE1,6,self.data);
+ return ord(self.data[0])+(ord(self.data[1])<<8);
+
def MSP430start(self):
"""Start debugging."""
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." % id;
+ print "Error, misidentified as %02x." % self.JTAGID;
def MSP430haltcpu(self):
"""Halt the CPU."""
return self.data[0];
def MSP430ident(self):
"""Grab self-identification word from 0x0FF0 as big endian."""
+ ident=0x00;
if(self.JTAGID==0x89):
i=self.MSP430peek(0x0ff0);
ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
i=self.MSP430peek(0x1A04);
ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
#ident=0x0091;
-
+
return ident;
+ def MSP430identstr(self):
+ """Grab model string."""
+ return self.MSP430devices.get(self.MSP430ident());
+ MSP430devices={
+ #MSP430F2xx
+ 0xf227: "MSP430F22xx",
+ 0xf213: "MSP430F21x1",
+ 0xf249: "MSP430F24x",
+ 0xf26f: "MSP430F261x",
+ 0xf237: "MSP430F23x0",
+
+
+ #MSP430F1xx
+ 0xf16c: "MSP430F161x",
+ 0xf149: "MSP430F13x", #or f14x(1)
+ 0xf112: "MSP430F11x", #or f11x1
+ 0xf143: "MSP430F14x",
+ 0xf112: "MSP430F11x", #or F11x1A
+ 0xf123: "MSP430F1xx", #or F123x
+ 0x1132: "MSP430F1122", #or F1132
+ 0x1232: "MSP430F1222", #or F1232
+ 0xf169: "MSP430F16x",
+
+ #MSP430F4xx
+ 0xF449: "MSP430F43x", #or F44x
+ 0xF427: "MSP430FE42x", #or FW42x, F415, F417
+ 0xF439: "MSP430FG43x",
+ 0xf46f: "MSP430FG46xx", #or F471xx
+
+ }
def MSP430test(self):
"""Test MSP430 JTAG. Requires that a chip be attached."""
+
if self.MSP430ident()==0xffff:
- print "Is anything connected?";
- print "Testing RAM from 1c00 to 1d00.";
- for a in range(0x1c00,0x1d00):
+ print "ERROR Is anything connected?";
+ print "Testing %s." % self.MSP430identstr();
+ print "Testing RAM from 200 to 210.";
+ for a in range(0x200,0x210):
self.MSP430poke(a,0);
if(self.MSP430peek(a)!=0):
print "Fault at %06x" % a;
self.MSP430poke(a,0xffff);
if(self.MSP430peek(a)!=0xffff):
print "Fault at %06x" % a;
- print "RAM Test Complete."
- for a in range(1,5):
- print "Identity %04x" % self.MSP430ident();
-
- def MSP430flashtest(self):
+
+ print "Testing identity consistency."
+ ident=self.MSP430ident();
+ for a in range(1,20):
+ ident2=self.MSP430ident();
+ if ident!=ident2:
+ print "Identity %04x!=%04x" % (ident,ident2);
+
+ print "Testing flash erase."
self.MSP430masserase();
- i=0x2500;
- while(i<0xFFFF):
- if(self.MSP430peek(i)!=0xFFFF):
- print "ERROR: Unerased flash at %04x."%i;
- self.MSP430writeflash(i,0xDEAD);
- i+=2;
+ for a in range(0xffe0, 0xffff):
+ if self.MSP430peek(a)!=0xffff:
+ print "%04x unerased, equals %04x" % (
+ a, self.MSP430peek(a));
+
+ print "Testing flash write."
+ for a in range(0xffe0, 0xffff):
+ self.MSP430pokeflash(a,0xbeef);
+ if self.MSP430peek(a)!=0xbeef:
+ print "%04x unset, equals %04x" % (
+ a, self.MSP430peek(a));
+
+ print "Tests complete, erasing."
+ self.MSP430masserase();
+
def MSP430masserase(self):
"""Erase MSP430 flash memory."""
self.writecmd(self.MSP430APP,0xE3,0,None);
- def MSP430writeflash(self,adr,val):
- """Write a word of flash memory."""
- if(self.MSP430peek(adr)!=0xFFFF):
- print "FLASH ERROR: %04x not clear." % adr;
- data=[adr&0xFF,(adr&0xFF00)>>8,val&0xFF,(val&0xFF00)>>8];
- self.writecmd(self.MSP430APP,0xE1,4,data);
- rval=ord(self.data[0])+(ord(self.data[1])<<8);
- if(val!=rval):
- print "FLASH WRITE ERROR AT %04x. Found %04x, wrote %04x." % (adr,rval,val);
-
+
def MSP430dumpbsl(self):
self.MSP430dumpmem(0xC00,0xfff);
def MSP430dumpallmem(self):
projects / goodfet / blobdiff