# This code is ugly as sin, for bootstrapping the firmware only.
# Rewrite cleanly as soon as is convenient.
-import sys, time, string, cStringIO, struct
-#sys.path.append("/usr/lib/tinyos")
-import serial
+import sys, time, string, cStringIO, struct, glob, serial
class GoodFET:
def __init__(self, *args, **kargs):
self.data=[0];
def timeout(self):
- print "timout\n";
- def serInit(self, port):
+ print "timeout\n";
+ def serInit(self, port=None):
"""Open the serial port"""
+
+ if port is None:
+ glob_list = glob.glob("/dev/tty.usbserial*");
+ if len(glob_list) > 0:
+ port = glob_list[0];
+ if port is None:
+ glob_list = glob.glob("/dev/ttyUSB*");
+ if len(glob_list) > 0:
+ port = glob_list[0];
+
self.serialport = serial.Serial(
port,
+ #300,
+ #2400,
+ #4800,
#9600,
+ #19200,
+ #38400,
+ #57600,
115200,
parity = serial.PARITY_NONE
)
#time.sleep(1);
self.readcmd(); #Read the first command.
if(self.verb!=0x7F):
- print "Verb is wrong. Incorrect firmware?";
-
+ print "Verb %02x is wrong. Incorrect firmware?" % self.verb;
+ print "Connected."
def writecmd(self, app, verb, count, data):
"""Write a command and some data to the GoodFET."""
self.serialport.write(chr(app));
self.data=[address&0xff,address>>8,value];
self.writecmd(0,0x03,3,self.data);
return ord(self.data[0]);
+ def dumpmem(self,begin,end):
+ i=begin;
+ while i<end:
+ print "%04x %04x" % (i, self.peekword(i));
+ i+=2;
+ def monitor_ram_pattern(self):
+ """Overwrite all of RAM with 0xBEEF."""
+ self.writecmd(0,0x90,0,self.data);
+ return;
+ def monitor_ram_depth(self):
+ """Determine how many bytes of RAM are unused by looking for 0xBEEF.."""
+ self.writecmd(0,0x91,0,self.data);
+ return ord(self.data[0])+(ord(self.data[1])<<8);
+
+ #Baud rates.
+ baudrates=[115200,
+ 9600,
+ 19200,
+ 38400,
+ 57600,
+ 115200];
def setBaud(self,baud):
- rates=[9600, 9600, 19200, 38400];
+ """Change the baud rate. TODO fix this."""
+ rates=self.baudrates;
self.data=[baud];
print "Changing FET baud."
self.serialport.write(chr(0x00));
print "Baud is now %i." % rates[baud];
return;
+ def readbyte(self):
+ return ord(self.serialport.read(1));
+ def findbaud(self):
+ for r in self.baudrates:
+ print "\nTrying %i" % r;
+ self.serialport.setBaudrate(r);
+ #time.sleep(1);
+ self.serialport.flushInput()
+ self.serialport.flushOutput()
+
+ for i in range(1,10):
+ self.readbyte();
+
+ print "Read %02x %02x %02x %02x" % (
+ self.readbyte(),self.readbyte(),self.readbyte(),self.readbyte());
def monitortest(self):
"""Self-test several functions through the monitor."""
print "Performing monitor self-test.";
JEDECmanufacturers={0xFF: "MISSING",
0xEF: "Winbond",
- 0xC2: "MXIC"};
+ 0xC2: "MXIC",
+ 0x20: "Numonyx/ST"
+ };
JEDECdevices={0xFFFFFF: "MISSING",
0xEF3014: "W25X80L",
0xEF3012: "W25X20L",
0xEF3011: "W25X10L",
0xC22014: "MX25L8005",
- 0xC22013: "MX25L4005"
+ 0xC22013: "MX25L4005",
+ 0x204011: "M45PE10"
};
def SPIjedec(self):
"""Grab an SPI Flash ROM's JEDEC bytes."""
0xFF00:"CCmissing"};
def CCidentstr(self):
ident=self.CCident();
- chip=self.CCversions[ident&0xFF00];
+ chip=self.CCversions.get(ident&0xFF00);
return "%s/r%02x" % (chip, ident&0xFF);
def CCident(self):
"""Get a chipcon's ID."""
self.writecmd(0x30,0x20,0,self.data);
ident=self.CCidentstr();
print "Target identifies as %s." % ident;
- print "Status: %s." % self.CCstatusstr();
+ #print "Status: %s." % self.CCstatusstr();
self.CCreleasecpu();
self.CChaltcpu();
print "Status: %s." % self.CCstatusstr();
+
def CCstop(self):
"""Stop debugging."""
self.writecmd(0x30,0x21,0,self.data);