from GoodFET import GoodFET;
from intelhex import IntelHex;
-import xml.dom.minidom;
+import xml.dom.minidom, time;
class GoodFETCC(GoodFET):
"""A GoodFET variant for use with Chipcon 8051 Zigbee SoC."""
def RF_setfreq(self,frequency):
"""Set the frequency in Hz."""
#FIXME CC1110 specific
+ #Some frequencies fail, probably and FSCAL thing.
hz=frequency;
freq=int(hz/396.728515625);
freq1=(freq&0xFF00)>>8;
freq2=(freq&0xFF0000)>>16;
- self.pokebysim("FREQ2",freq2);
- self.pokebysim("FREQ1",freq1);
- self.pokebysim("FREQ0",freq0);
+ self.pokebysym("FREQ2",freq2);
+ self.pokebysym("FREQ1",freq1);
+ self.pokebysym("FREQ0",freq0);
+
+ self.pokebysym("TEST1",0x31);
+ self.pokebysym("TEST0",0x09);
+
+ #self.pokebysym("PA_TABLE0" , 0x60); #above mid
+
+ #self.pokebysym("FSCAL2" , 0x2A); #above mid
+ self.pokebysym("FSCAL2" , 0x0A); #beneath mid
+
+ #self.CC_RFST_CAL(); #SCAL
+ #time.sleep(1);
+
-
def RF_getfreq(self):
"""Get the frequency in Hz."""
#FIXME CC1110 specific
hz=freq*396.728515625;
return hz;
+ def shellcodefile(self,filename,wait=1):
+ """Run a fragment of shellcode by name."""
+ #FIXME: should identify chip model number, use shellcode for that chip.
+ file=__file__;
+ file=file.replace("GoodFETCC.pyc","GoodFETCC.py");
+ path=file.replace("client/GoodFETCC.py","shellcode/chipcon/cc1110/");
+ #print "File\t%s" % file;
+ #print "Path\t%s" % path;
+ filename=path+filename;
+ #print "Loading shelcode from %s" % filename;
+
+ #Load the shellcode.
+ h=IntelHex(filename);
+ for i in h._buf.keys():
+ self.CCpokedatabyte(i,h[i]);
+
+ #Execute it.
+ self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
+ self.resume();
+ while wait>0 and (0==self.CCstatus()&0x20):
+ a=1;
+ #time.sleep(0.1);
+ #print "Waiting for shell code to return.";
+ return;
+ def ishalted(self):
+ return self.CCstatus()&0x20;
+ def shellcode(self,code,wait=1):
+ """Copy a block of code into RAM and execute it."""
+ i=0;
+ ram=0xF000;
+ for byte in code:
+ self.pokebyte(0xF000+i,byte);
+ i=i+1;
+ #print "Code loaded, executing."
+ self.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000
+ self.resume();
+ while wait>0 and (0==self.CCstatus()&0x20):
+ a=1;
+ #time.sleep(0.1);
+ #print "Waiting for shell code to return.";
+ return;
+ def CC1110_crystal(self):
+ """Start the main crystal of the CC1110 oscillating, needed for radio use."""
+ code=[0x53, 0xBE, 0xFB, #anl SLEEP, #0xFB
+ #one:
+ 0xE5, 0xBE, #mov a,SLEEP
+ 0x30, 0xE6, 0xFB, #jnb acc.6, back
+ 0x53, 0xc6, 0xB8, #anl CLKCON, #0xB8
+ #two
+ 0xE5, 0xC6, #mov a,CLKCON
+ 0x20, 0xE6, 0xFB, #jb acc.6, two
+ 0x43, 0xBE, 0x04, #orl SLEEP, #0x04
+ 0xA5, #HALT
+ ];
+ self.shellcode(code);
+
+ #Slower to load, but produced from C.
+ #self.shellcodefile("crystal.ihx");
+ return;
+ def RF_idle(self):
+ """Move the radio to its idle state."""
+ self.CC_RFST_IDLE();
+ return;
+ #Chipcon RF strobes. CC1110 specific
+ RFST_IDLE=0x04;
+ RFST_RX=0x02;
+ RFST_TX=0x03;
+ RFST_CAL=0x01;
+ def CC_RFST_IDLE(self):
+ """Switch the radio to idle mode, clearing overflows and errors."""
+ self.CC_RFST(self.RFST_IDLE);
+ def CC_RFST_TX(self):
+ """Switch the radio to TX mode."""
+ self.CC_RFST(self.RFST_TX);
+ def CC_RFST_RX(self):
+ """Switch the radio to RX mode."""
+ self.CC_RFST(self.RFST_RX);
+ def CC_RFST_CAL(self):
+ """Calibrate strobe the radio."""
+ self.CC_RFST(self.RFST_CAL);
+ def CC_RFST(self,state=RFST_IDLE):
+ RFST=0xDFE1
+ self.pokebyte(RFST,state); #Return to idle state.
+ return;
+
+ def config_simpliciti(self,band="none"):
+ self.pokebysym("FSCTRL1" , 0x08) # Frequency synthesizer control.
+ self.pokebysym("FSCTRL0" , 0x00) # Frequency synthesizer control.
+
+ #Don't change these while the radio is active.
+ self.pokebysym("FSCAL3" , 0xEA) # Frequency synthesizer calibration.
+ self.pokebysym("FSCAL2" , 0x2A) # Frequency synthesizer calibration.
+ self.pokebysym("FSCAL1" , 0x00) # Frequency synthesizer calibration.
+ self.pokebysym("FSCAL0" , 0x1F) # Frequency synthesizer calibration.
+
+ if band=="ismeu" or band=="eu":
+ self.pokebysym("FREQ2" , 0x21) # Frequency control word, high byte.
+ self.pokebysym("FREQ1" , 0x71) # Frequency control word, middle byte.
+ self.pokebysym("FREQ0" , 0x7a) # Frequency control word, low byte.
+ elif band=="ismus" or band=="us":
+ self.pokebysym("FREQ2" , 0x22) # Frequency control word, high byte.
+ self.pokebysym("FREQ1" , 0xB1) # Frequency control word, middle byte.
+ self.pokebysym("FREQ0" , 0x3B) # Frequency control word, low byte.
+ elif band=="ismlf" or band=="lf":
+ self.pokebysym("FREQ2" , 0x10) # Frequency control word, high byte.
+ self.pokebysym("FREQ1" , 0xB0) # Frequency control word, middle byte.
+ self.pokebysym("FREQ0" , 0x71) # Frequency control word, low byte.
+ elif band=="none":
+ band="none";
+ else:
+ #Got a frequency, not a band.
+ self.RF_setfreq(eval(band));
+ self.pokebysym("MDMCFG4" , 0x7B) # Modem configuration.
+ self.pokebysym("MDMCFG3" , 0x83) # Modem configuration.
+ self.pokebysym("MDMCFG2" , 0x13) # Modem configuration.
+ self.pokebysym("MDMCFG1" , 0x22) # Modem configuration.
+ self.pokebysym("MDMCFG0" , 0xF8) # Modem configuration.
+ if band=="ismus" or band=="us":
+ self.pokebysym("CHANNR" , 20) # Channel number.
+ else:
+ self.pokebysym("CHANNR" , 0x00) # Channel number.
+ self.pokebysym("DEVIATN" , 0x42) # Modem deviation setting (when FSK modulation is enabled).
+
+ self.pokebysym("FREND1" , 0xB6) # Front end RX configuration.
+ self.pokebysym("FREND0" , 0x10) # Front end RX configuration.
+ self.pokebysym("MCSM0" , 0x18) # Main Radio Control State Machine configuration.
+ self.pokebysym("FOCCFG" , 0x1D) # Frequency Offset Compensation Configuration.
+ self.pokebysym("BSCFG" , 0x1C) # Bit synchronization Configuration.
+
+ self.pokebysym("AGCCTRL2" , 0xC7) # AGC control.
+ self.pokebysym("AGCCTRL1" , 0x00) # AGC control.
+ self.pokebysym("AGCCTRL0" , 0xB2) # AGC control.
+
+ self.pokebysym("TEST2" , 0x81) # Various test settings.
+ self.pokebysym("TEST1" , 0x35) # Various test settings.
+ self.pokebysym("TEST0" , 0x09) # Various test settings.
+ self.pokebysym("PA_TABLE0", 0xC0) # PA output power setting.
+ self.pokebysym("PKTCTRL1" , 0x04) # Packet automation control, w/ lqi
+ #self.pokebysym("PKTCTRL1" , 0x00) # Packet automation control. w/o lqi
+ self.pokebysym("PKTCTRL0" , 0x05) # Packet automation control, w/ checksum.
+ #self.pokebysym("PKTCTRL0" , 0x00) # Packet automation control, w/o checksum, fixed length
+ self.pokebysym("ADDR" , 0x01) # Device address.
+ self.pokebysym("PKTLEN" , 0xFF) # Packet length.
+
+ self.pokebysym("SYNC1",0xD3);
+ self.pokebysym("SYNC0",0x91);
+
def RF_carrier(self):
"""Hold a carrier wave on the present frequency."""
- print "ERROR, this ain't working yet."
+
+ self.CC1110_crystal(); #FIXME, '1110 specific.
+ self.RF_idle();
+
+
+ RFST=0xDFE1;
+
+ self.config_simpliciti();
+
+ #Don't change these while the radio is active.
+ #self.pokebysym("FSCAL3" , 0xA9) # Frequency synthesizer calibration.
+ #self.pokebysym("FSCAL2" , 0x0A) # Frequency synthesizer calibration.
+ #self.pokebysym("FSCAL1" , 0x00) # Frequency synthesizer calibration.
+ #self.pokebysym("FSCAL0" , 0x11) # Frequency synthesizer calibration.
+
+ #Ramp up the power.
+ #self.pokebysym("PA_TABLE0", 0xFF) # PA output power setting.
+
+ #This is what drops to OOK.
+ #Comment to keep GFSK, might be better at jamming.
+ self.pokebysym("MDMCFG4" , 0x86) # Modem configuration.
+ self.pokebysym("MDMCFG3" , 0x83) # Modem configuration.
+ self.pokebysym("MDMCFG2" , 0x30) # Modem configuration.
+ self.pokebysym("MDMCFG1" , 0x22) # Modem configuration.
+ self.pokebysym("MDMCFG0" , 0xF8) # Modem configuration.
+
+
+ self.pokebysym("SYNC1",0xAA);
+ self.pokebysym("SYNC0",0xAA);
+
+
+
+ #while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
+ state=0;
+
+ while((state!=0x13)):
+ self.pokebyte(RFST,0x03); #RFST=RFST_STX
+ time.sleep(0.1);
+ state=self.peekbysym("MARCSTATE")&0x1F;
+ #print "state=%02x" % state;
+ print "Holding a carrier on %f MHz." % (self.RF_getfreq()/10**6);
+
+ return;
+
+ def RF_getsmac(self):
+ """Return the source MAC address."""
+
+ #Register 0A is RX_ADDR_P0, five bytes.
+ mac=self.peekbysym("ADDR");
+ return mac;
+ def RF_setsmac(self,mac):
+ """Set the source MAC address."""
+ self.pokebysym("ADDR",mac);
+ return 0;
+ def RF_gettmac(self):
+ """Return the target MAC address."""
+ return 0;
+ def RF_settmac(self,mac):
+ """Set the target MAC address."""
+ return 0;
+ def RF_rxpacket(self):
+ """Get a packet from the radio. Returns None if none is waiting."""
+ self.shellcodefile("rxpacket.ihx");
+ len=self.peek8(0xFE00,"xdata");
+ return self.peekblock(0xFE00,len+1,"data");
+ def RF_txpacket(self,packet):
+ """Transmit a packet. Untested."""
+
+ self.pokeblock(0xFE00,packet,"data");
+ self.shellcodefile("txpacket.ihx");
+ return;
+ def RF_txrxpacket(self,packet):
+ """Transmit a packet. Untested."""
+
+ self.pokeblock(0xFE00,packet,"data");
+ self.shellcodefile("txrxpacket.ihx");
+ len=self.peek8(0xFE00,"xdata");
+ return self.peekblock(0xFE00,len+1,"data");
def RF_getrssi(self):
"""Returns the received signal strenght, with a weird offset."""
try:
rssireg=self.symbols.get("RSSI");
- return self.CCpeekdatabyte(rssireg);
+ return self.CCpeekdatabyte(rssireg)^0x80;
except:
if self.verbose>0: print "RSSI reg doesn't exist.";
try:
if self.verbose>0: print "RSSIL/RSSIH regs don't exist.";
return 0;
-
+
+
def SRF_loadsymbols(self):
ident=self.CCident();
def CCdebuginstr(self,instr):
self.writecmd(self.APP,0x88,len(instr),instr);
return ord(self.data[0]);
- def peekblock(self,adr,length,memory="vn"):
- """Return a block of data."""
- data=[adr&0xff, (adr&0xff00)>>8,
- length&0xFF,(length&0xFF00)>>8];
- self.writecmd(self.APP,0x91,4,data);
- return [ord(x) for x in self.data]
+ #def peekblock(self,adr,length,memory="vn"):
+ # """Return a block of data, broken"""
+ # data=[adr&0xff, (adr&0xff00)>>8,
+ # length&0xFF,(length&0xFF00)>>8];
+ # self.writecmd(self.APP,0x91,4,data);
+ # return [ord(x) for x in self.data]
def peek8(self,address, memory="code"):
if(memory=="code" or memory=="flash" or memory=="vn"):
return self.CCpeekcodebyte(address);
self.data=[adr&0xff, val&0xff];
self.writecmd(self.APP,0x02, 2, self.data);
return ord(self.data[0]);
-
+ def pokebyte(self,adr,val,mem="xdata"):
+ self.CCpokedatabyte(adr,val);
def CCpokedatabyte(self,adr,val):
"""Write a byte to data memory."""
self.data=[adr&0xff, (adr&0xff00)>>8, val];
projects / goodfet / blobdiff