(ord(self.data[2])<<16)+(ord(self.data[3])<<24));
return DeviceID;
def MSP430peek(self,adr):
- """Read the contents of memory at an address."""
- self.data=[adr&0xff, (adr&0xff00)>>8];
- self.writecmd(self.MSP430APP,0x02,2,self.data);
+ """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);
return ord(self.data[0])+(ord(self.data[1])<<8);
+ def MSP430peekblock(self,adr,blocks=1):
+ """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);
+ return self.data;
+
def MSP430poke(self,adr,val):
- """Read the contents of memory at an address."""
- self.data=[adr&0xff, (adr&0xff00)>>8, val&0xff, (val&0xff00)>>8];
- self.writecmd(self.MSP430APP,0x03,4,self.data);
- return;# ord(self.data[0])+(ord(self.data[1])<<8);
+ """Write the contents of 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,0x03,6,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." % id;
- if(self.JTAGID==0x89 or self.JTAGID==0x91):
- print "Successfully connected."
- else:
+ #print "Identified as %02x." % self.JTAGID;
+ if(not (self.JTAGID==0x89 or self.JTAGID==0x91)):
print "Error, misidentified as %02x." % id;
-
+
def MSP430haltcpu(self):
"""Halt the CPU."""
self.writecmd(self.MSP430APP,0xA0,0,self.data);
if(self.JTAGID==0x89):
i=self.MSP430peek(0x0ff0);
ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
+
if(self.JTAGID==0x91):
i=self.MSP430peek(0x1A04);
ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
+ #ident=0x0091;
+
return ident;
def MSP430test(self):
"""Test MSP430 JTAG. Requires that a chip be attached."""
if self.MSP430ident()==0xffff:
print "Is anything connected?";
- print "Testing RAM.";
- temp=self.MSP430peek(0x0200);
- self.MSP430poke(0x0200,0xdead);
- if(self.MSP430peek(0x0200)!=0xdead):
- print "Poke of 0x0200 did not set to 0xDEAD properly.";
- return;
- self.MSP430poke(0x0200,temp); #restore old value.
+ print "Testing RAM from 1c00 to 1d00.";
+ for a in range(0x1c00,0x1d00):
+ 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):
self.MSP430masserase();
i=0x2500;