# 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.";
print "Self-test complete.";
- def spisetup(self):
+ def SPIsetup(self):
"""Moved the FET into the SPI application."""
- self.writecmd(1,0x10,0,self.data); #SPI/SETUP
- #self.readcmd();
- def spitrans8(self,byte):
+ self.writecmd(0x01,0x10,0,self.data); #SPI/SETUP
+
+ def SPItrans8(self,byte):
"""Read and write 8 bits by SPI."""
- self.data=[byte];
- self.writecmd(1,0,1,self.data); #SPI exchange
- #self.readcmd();
+ data=self.SPItrans([byte]);
+ return ord(data[0]);
+
+ def SPItrans(self,data):
+ """Exchange data by SPI."""
+ self.data=data;
+ self.writecmd(0x01,0x00,len(data),data);
+ return self.data;
+
+ JEDECmanufacturers={0xFF: "MISSING",
+ 0xEF: "Winbond",
+ 0xC2: "MXIC",
+ 0x20: "Numonyx/ST"
+ };
+
+ JEDECdevices={0xFFFFFF: "MISSING",
+ 0xEF3014: "W25X80L",
+ 0xEF3013: "W25X40L",
+ 0xEF3012: "W25X20L",
+ 0xEF3011: "W25X10L",
+ 0xC22014: "MX25L8005",
+ 0xC22013: "MX25L4005",
+ 0x204011: "M45PE10"
+ };
+ def SPIjedec(self):
+ """Grab an SPI Flash ROM's JEDEC bytes."""
+ data=[0x9f, 0, 0, 0];
+ data=self.SPItrans(data);
+ #print "Manufacturer: %02x\nType: %02x\nCapacity: %02x" % (ord(data[1]),ord(data[2]),ord(data[3]));
+ self.JEDECmanufacturer=ord(data[1]);
+ self.JEDECtype=ord(data[2]);
+ self.JEDECcapacity=ord(data[3]);
+ self.JEDECdevice=(ord(data[1])<<16)+(ord(data[2])<<8)+ord(data[3]);
+ return data;
+ def SPIpeek(self,adr):
+ """Grab a byte from an SPI Flash ROM."""
+ data=[0x03,
+ (adr&0xFF0000)>>16,
+ (adr&0xFF00)>>8,
+ adr&0xFF,
+ 0];
+ self.SPItrans(data);
+ return ord(self.data[4]);
+ def SPIpeekblock(self,adr):
+ """Grab a byte from an SPI Flash ROM."""
+ data=[(adr&0xFF0000)>>16,
+ (adr&0xFF00)>>8,
+ adr&0xFF];
- if self.app!=1 or self.verb!=0:
- print "Error in SPI transaction; app=%02x, verb=%02x" % (self.app, self.verb);
- return ord(self.data[0]);
+ self.writecmd(0x01,0x02,3,data);
+ return self.data;
+
+ def SPIpokebyte(self,adr,val):
+ self.SPIpokebytes(adr,[val]);
+ def SPIpokebytes(self,adr,data):
+ #self.SPIwriteenable();
+ adranddata=[(adr&0xFF0000)>>16,
+ (adr&0xFF00)>>8,
+ adr&0xFF
+ ]+data;
+ self.writecmd(0x01,0x03,
+ len(adranddata),adranddata);
+
+ def SPIchiperase(self):
+ """Mass erase an SPI Flash ROM."""
+ self.writecmd(0x01,0x81,0,[]);
+ def SPIwriteenable(self):
+ """SPI Flash Write Enable"""
+ data=[0x06];
+ self.SPItrans(data);
+
+ def SPIjedecmanstr(self):
+ """Grab the JEDEC manufacturer string. Call after SPIjedec()."""
+ man=self.JEDECmanufacturers.get(self.JEDECmanufacturer)
+ if man==0:
+ man="UNKNOWN";
+ return man;
+
+ def SPIjedecstr(self):
+ """Grab the JEDEC manufacturer string. Call after SPIjedec()."""
+ man=self.JEDECmanufacturers.get(self.JEDECmanufacturer);
+ if man==0:
+ man="UNKNOWN";
+ device=self.JEDECdevices.get(self.JEDECdevice);
+ if device==0:
+ device="???"
+ return "%s %s" % (man,device);
def MSP430setup(self):
"""Move the FET into the MSP430 JTAG application."""
print "Initializing MSP430.";
self.writecmd(0x11,0x10,0,self.data);
+
+
+
def CCsetup(self):
"""Move the FET into the CC2430/CC2530 application."""
print "Initializing Chipcon.";
0x8500:"CC2430",
0x8900:"CC2431",
0x8100:"CC2510",
- 0x9100:"CC2511"};
+ 0x9100:"CC2511",
+ 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."""
hi=ord(self.data[0]);
lo=ord(self.data[1]);
return (hi<<8)+lo;
+ def CCdebuginstr(self,instr):
+ self.writecmd(0x30,0x88,len(instr),instr);
+ return ord(self.data[0]);
def MSP430peek(self,adr):
"""Read the contents of memory at an address."""
self.data=[adr&0xff, (adr&0xff00)>>8];
self.writecmd(0x11,0x02,2,self.data);
return ord(self.data[0])+(ord(self.data[1])<<8);
+ def CCpeekcodebyte(self,adr):
+ """Read the contents of code memory at an address."""
+ self.data=[adr&0xff, (adr&0xff00)>>8];
+ self.writecmd(0x30,0x90,2,self.data);
+ return ord(self.data[0]);
+ def CCpeekdatabyte(self,adr):
+ """Read the contents of data memory at an address."""
+ self.data=[adr&0xff, (adr&0xff00)>>8];
+ self.writecmd(0x30,0x91, 2, self.data);
+ return ord(self.data[0]);
+ def CCpokedatabyte(self,adr,val):
+ """Write a byte to data memory."""
+ self.data=[adr&0xff, (adr&0xff00)>>8, val];
+ self.writecmd(0x30, 0x92, 3, self.data);
+ return ord(self.data[0]);
+ def CCchiperase(self):
+ """Erase all of the target's memory."""
+ self.writecmd(0x30,0x80,0,None);
+ def CCstatus(self):
+ """Check the status."""
+ self.writecmd(0x30,0x84,0,None);
+ return ord(self.data[0])
+ CCstatusbits={0x80 : "erased",
+ 0x40 : "pcon_idle",
+ 0x20 : "halted",
+ 0x10 : "pm0",
+ 0x08 : "halted",
+ 0x04 : "locked",
+ 0x02 : "oscstable",
+ 0x01 : "overflow"};
+ def CCstatusstr(self):
+ """Check the status as a string."""
+ status=self.CCstatus();
+ str="";
+ i=1;
+ while i<0x100:
+ if(status&i):
+ str="%s %s" %(self.CCstatusbits[i],str);
+ i*=2;
+ return str;
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(0x30,0x20,0,self.data);
ident=self.CCidentstr();
print "Target identifies as %s." % ident;
+ #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);
def MSP430releasecpu(self):
"""Resume the CPU."""
self.writecmd(0x11,0xA1,0,self.data);
-
+ def CChaltcpu(self):
+ """Halt the CPU."""
+ self.writecmd(0x30,0x86,0,self.data);
+ def CCreleasecpu(self):
+ """Resume the CPU."""
+ self.writecmd(0x30,0x87,0,self.data);
def MSP430shiftir8(self,ins):
"""Shift the 8-bit Instruction Register."""
data=[ins];
print "%04x %04x" % (i, self.MSP430peek(i));
i+=2;
def CCtest(self):
+ self.CCreleasecpu();
+ self.CChaltcpu();
+ print "Status: %s" % self.CCstatusstr();
+
#Grab ident three times, should be equal.
ident1=self.CCident();
ident2=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):
- print "PC=%04x" % self.CCgetPC();
+ pc=self.CCgetPC();
+ byte=self.CCpeekcodebyte(i);
+ print "PC=%04x, %02x" % (pc, byte);
self.CCstep_instr();
+
+ #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();
#Exit debugger
self.CCstop();
print "Done.";
projects / goodfet / blobdiff