# 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, os;
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 and os.environ.get("GOODFET")!=None:
+ glob_list = glob.glob(os.environ.get("GOODFET"));
+ if len(glob_list) > 0:
+ port = glob_list[0];
+ 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,
#9600,
#time.sleep(1);
self.readcmd(); #Read the first command.
if(self.verb!=0x7F):
- print "Verb is wrong. Incorrect firmware?";
-
- def writecmd(self, app, verb, count, data):
+ print "Verb %02x is wrong. Incorrect firmware?" % self.verb;
+ #print "Connected."
+ def writecmd(self, app, verb, count, data=[], blocks=1):
"""Write a command and some data to the GoodFET."""
self.serialport.write(chr(app));
self.serialport.write(chr(verb));
if count!=0:
for d in data:
self.serialport.write(chr(d));
- self.readcmd(); #Uncomment this later, to ensure a response.
- def readcmd(self):
+
+ self.readcmd(blocks); #Uncomment this later, to ensure a response.
+ def readcmd(self,blocks=1):
"""Read a reply from the GoodFET."""
self.app=ord(self.serialport.read(1));
self.verb=ord(self.serialport.read(1));
self.count=ord(self.serialport.read(1));
- if self.count>0:
- self.data=self.serialport.read(self.count);
+ self.data=self.serialport.read(self.count*blocks);
+ return self.data;
#print "READ %02x %02x %02x " % (self.app, self.verb, self.count);
#Monitor stuff
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.";
- if self.peekword(0x0c00)!=0x0c04:
+ 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:
def SPIsetup(self):
"""Moved the FET into the SPI application."""
self.writecmd(0x01,0x10,0,self.data); #SPI/SETUP
- #self.readcmd();
+
+
def SPItrans8(self,byte):
"""Read and write 8 bits by SPI."""
data=self.SPItrans([byte]);
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"
};
+ JEDECsizes={0x14: 0x100000,
+ 0x13: 0x080000,
+ 0x12: 0x040000,
+ 0x11: 0x020000}
+ JEDECsize=0;
def SPIjedec(self):
"""Grab an SPI Flash ROM's JEDEC bytes."""
data=[0x9f, 0, 0, 0];
self.JEDECmanufacturer=ord(data[1]);
self.JEDECtype=ord(data[2]);
self.JEDECcapacity=ord(data[3]);
+ self.JEDECsize=self.JEDECsizes.get(self.JEDECcapacity);
+ if self.JEDECsize==None:
+ self.JEDECsize=0;
self.JEDECdevice=(ord(data[1])<<16)+(ord(data[2])<<8)+ord(data[3]);
return data;
def SPIpeek(self,adr):
0];
self.SPItrans(data);
return ord(self.data[4]);
- def SPIpeekblock(self,adr):
- """Grab a byte from an SPI Flash ROM."""
+# def SPIpeekblock(self,adr):
+# """Grab a block from an SPI Flash ROM. Block size is unknown"""
+# data=[(adr&0xFF0000)>>16,
+# (adr&0xFF00)>>8,
+# adr&0xFF];
+
+# self.writecmd(0x01,0x02,3,data);
+# return self.data;
+ def SPIpeekblock(self,adr,blocks=1):
+ """Grab a few block from an SPI Flash ROM. Block size is unknown"""
data=[(adr&0xFF0000)>>16,
(adr&0xFF00)>>8,
- adr&0xFF];
+ adr&0xFF,
+ blocks];
- self.writecmd(0x01,0x02,3,data);
+ self.writecmd(0x01,0x02,4,data,blocks);
return self.data;
def SPIpokebyte(self,adr,val):
print "Initializing MSP430.";
self.writecmd(0x11,0x10,0,self.data);
-
-
+ def I2Csetup(self):
+ """Move the FET into the I2C application."""
+ self.writecmd(0x02,0x10,0,self.data); #SPI/SETUP
+ def I2Cstart(self):
+ """Start an I2C transaction."""
+ self.writecmd(0x02,0x20,0,self.data); #SPI/SETUP
+ def I2Cstop(self):
+ """Stop an I2C transaction."""
+ self.writecmd(0x02,0x21,0,self.data); #SPI/SETUP
+ def I2Cread(self,len=1):
+ """Read len bytes by I2C."""
+ self.writecmd(0x02,0x00,1,[len]); #SPI/SETUP
+ return self.data;
+ def I2Cwrite(self,bytes):
+ """Write bytes by I2C."""
+ self.writecmd(0x02,0x01,len(bytes),bytes); #SPI/SETUP
+ return ord(self.data[0]);
def CCsetup(self):
"""Move the FET into the CC2430/CC2530 application."""
- print "Initializing Chipcon.";
+ #print "Initializing Chipcon.";
self.writecmd(0x30,0x10,0,self.data);
def CCrd_config(self):
"""Read the config register of a Chipcon."""
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();
+ #print "Status: %s." % self.CCstatusstr();
+
def CCstop(self):
"""Stop debugging."""
self.writecmd(0x30,0x21,0,self.data);
def CCtest(self):
self.CCreleasecpu();
self.CChaltcpu();
- print "Status: %s" % self.CCstatusstr();
+ #print "Status: %s" % self.CCstatusstr();
#Grab ident three times, should be equal.
ident1=self.CCident();
print "%04x, %04x, %04x" % (ident1, ident2, ident3);
#Single step, printing PC.
- #print "Tracing execution at startup."
+ print "Tracing execution at startup."
for i in range(1,15):
pc=self.CCgetPC();
byte=self.CCpeekcodebyte(i);
- print "PC=%04x, %02x" % (pc, byte);
+ #print "PC=%04x, %02x" % (pc, byte);
self.CCstep_instr();
- #print "Verifying that debugging a NOP doesn't affect the PC."
+ print "Verifying that debugging a NOP doesn't affect the PC."
for i in range(1,15):
pc=self.CCgetPC();
self.CCdebuginstr([0x00]);
if(pc!=self.CCgetPC()):
print "ERROR: PC changed during CCdebuginstr([NOP])!";
- for i in range(0xE500,0xE600):
- byte=self.CCpeekdatabyte(i);
- print "data %04x: %02x" % (i,byte);
- self.CCpokedatabyte(i,i&0xFF);
- byte=self.CCpeekdatabyte(i);
- print "data %04x: %02x" % (i,byte);
- print "Status: %s." % self.CCstatusstr();
+
+
+ #print "Status: %s." % self.CCstatusstr();
#Exit debugger
self.CCstop();
print "Done.";
projects / goodfet / blobdiff