import sys, time, string, cStringIO, struct, glob, serial, os;
import sqlite3;
+fmt = ("B", "<H", None, "<L")
+
def getClient(name="GoodFET"):
- import GoodFET, GoodFETCC, GoodFETAVR, GoodFETSPI, GoodFETMSP430;
+ 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=="avr": return GoodFETAVR.GoodFETAVR();
elif name=="spi": return GoodFETSPI.GoodFETSPI();
elif name=="msp430": return GoodFETMSP430.GoodFETMSP430();
+ elif name=="nrf": return GoodFETNRF.GoodFETNRF();
print "Unsupported target: %s" % name;
sys.exit(0);
verbose=False
GLITCHAPP=0x71;
+ MONITORAPP=0x00;
symbols=SymbolTable();
def __init__(self, *args, **kargs):
return self.symbols.get(name);
def timeout(self):
print "timeout\n";
- def serInit(self, port=None, timeout=None):
+ def serInit(self, port=None, timeout=2):
"""Open the serial port"""
+ # Make timeout None to wait forever, 0 for non-blocking mode.
if port is None and os.environ.get("GOODFET")!=None:
glob_list = glob.glob(os.environ.get("GOODFET"));
if len(glob_list) > 0:
port = glob_list[0];
+ else:
+ port = os.environ.get("GOODFET");
if port is None:
glob_list = glob.glob("/dev/tty.usbserial*");
if len(glob_list) > 0:
glob_list = glob.glob("/dev/ttyUSB*");
if len(glob_list) > 0:
port = glob_list[0];
+ if os.name=='nt':
+ from scanwin32 import winScan;
+ scan=winScan();
+ for order,comport,desc,hwid in sorted(scan.comports()):
+ try:
+ if hwid.index('FTDI')==0:
+ port=comport;
+ #print "Using FTDI port %s" % port
+ except:
+ #Do nothing.
+ a=1;
self.serialport = serial.Serial(
port,
timeout=timeout
)
- #Explicitly set RTS and DTR to halt board.
- self.serialport.setRTS(1);
- self.serialport.setDTR(1);
- #Drop DTR, which is !RST, low to begin the app.
- self.serialport.setDTR(0);
- self.serialport.flushInput()
- self.serialport.flushOutput()
-
- #Read and handle the initial command.
- #time.sleep(1);
- self.readcmd(); #Read the first command.
- if(self.verb!=0x7F):
- print "Verb %02x is wrong. Incorrect firmware or bad Info guess?" % self.verb;
- print "http://goodfet.sf.net/faq/";
- #print "Connected."
+ self.verb=0;
+ attempts=0;
+ connected=0;
+ while connected==0:
+ while self.verb!=0x7F or self.data!="http://goodfet.sf.net/":
+ #print "Resyncing.";
+ self.serialport.flushInput()
+ self.serialport.flushOutput()
+ #Explicitly set RTS and DTR to halt board.
+ self.serialport.setRTS(1);
+ 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);
+ attempts=attempts+1;
+ self.readcmd(); #Read the first command.
+ #Here we have a connection, but maybe not a good one.
+ connected=1;
+ olds=self.infostring();
+ clocking=self.monitorclocking();
+ for foo in range(1,30):
+ if not self.monitorecho():
+ if self.verbose: print "Comm error on %i try, resyncing out of %s." % (foo,
+ clocking);
+ connected=0;
+ 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]);
print "Rx: ( 0x%02x, 0x%02x, 0x%04x )" % ( self.app, self.verb, self.count )
#Debugging string; print, but wait.
- if self.app==0xFF and self.verb==0xFF:
- print "# DEBUG %s" % self.serialport.read(self.count);
+ if self.app==0xFF:
+ if self.verb==0xFF:
+ 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();
- return []
else:
self.data=self.serialport.read(self.count);
return self.data;
except TypeError:
- print "Error: waiting for serial read timed out (most likely)."
- sys.exit(-1)
-
+ if self.connected:
+ print "Error: waiting for serial read timed out (most likely).";
+ print "This shouldn't happen after syncing. Exiting for safety.";
+ sys.exit(-1)
+ return self.data;
#Glitching stuff.
def glitchApp(self,app):
"""Glitch into a device by its application."""
self.besilent=s;
print "besilent is %i" % self.besilent;
self.writecmd(0,0xB0,1,[s]);
-
+ connected=0;
+ def mon_connected(self):
+ """Announce to the monitor that the connection is good."""
+ self.connected=1;
+ self.writecmd(0,0xB1,0,[]);
def out(self,byte):
"""Write a byte to P5OUT."""
self.writecmd(0,0xA1,1,[byte]);
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 pokebyte(self,address,value):
"""Set a byte of memory by the monitor."""
self.data=[address&0xff,address>>8,value];
def monitortest(self):
"""Self-test several functions through the monitor."""
print "Performing monitor self-test.";
-
- if self.peekword(0x0c00)!=0x0c04 and self.peekword(0x0c00)!=0x0c06:
- print "ERROR Fetched wrong value from 0x0c04.";
- self.pokebyte(0x0021,0); #Drop LED
- if self.peekbyte(0x0021)!=0:
- print "ERROR, P1OUT not cleared.";
- self.pokebyte(0x0021,1); #Light LED
-
+ self.monitorclocking();
+ for f in range(0,3000):
+ a=self.peekword(0x0c00);
+ b=self.peekword(0x0c02);
+ if a!=0x0c04 and a!=0x0c06:
+ print "ERROR Fetched %04x, %04x" % (a,b);
+ self.pokebyte(0x0021,0); #Drop LED
+ if self.peekbyte(0x0021)!=0:
+ print "ERROR, P1OUT not cleared.";
+ self.pokebyte(0x0021,1); #Light LED
+ if not self.monitorecho():
+ print "Echo test failed.";
print "Self-test complete.";
-
-
+ self.monitorclocking();
+ def monitorecho(self):
+ data="The quick brown fox jumped over the lazy dog.";
+ self.writecmd(self.MONITORAPP,0x81,len(data),data);
+ if self.data!=data:
+ if self.verbose: print "Comm error recognized by monitorecho().";
+ return 0;
+ return 1;
+ def monitorclocking(self):
+ DCOCTL=self.peekbyte(0x0056);
+ BCSCTL1=self.peekbyte(0x0057);
+ return "0x%02x, 0x%02x" % (DCOCTL, BCSCTL1);
+
# The following functions ought to be implemented in
# every client.
def dump(self,file,start=0,stop=0xffff):
"""Dump an intel hex file from code memory."""
print "Dump not implemented.";
-
def peek32(self,address, memory="vn"):
return (self.peek16(address,memory)+
(self.peek16(address+2,memory)<<16));
(self.peek8(address+1,memory)<<8));
def peek8(self,address, memory="vn"):
return self.peekbyte(address); #monitor
+ def peekword(self,address, memory="vn"):
+ return self.peek(address); #monitor
+
def loadsymbols(self):
return;
projects / goodfet / blobdiff