X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2FGoodFETCCSPI.py;h=78273ac5774cabcd8b9e0db2b2e6b42731880c4b;hp=5ea56be3a1f8dfbb958606a7d88b8295db6a1ed7;hb=443bcd972725a80fd8d55014d4f1d84485ec53f0;hpb=fd9430b330def6518620ac0ec190405d186c7505 diff --git a/client/GoodFETCCSPI.py b/client/GoodFETCCSPI.py index 5ea56be..78273ac 100644 --- a/client/GoodFETCCSPI.py +++ b/client/GoodFETCCSPI.py @@ -24,6 +24,7 @@ class GoodFETCCSPI(GoodFET): self.poke(0x12, 0x0500); #MDMCTRL1 self.poke(0x1C, 0x007F); #IOCFG0 self.poke(0x19, 0x01C4); #SECCTRL0, disabling crypto + self.RF_setsync(); def ident(self): return self.peek(0x1E); #MANFIDL @@ -83,7 +84,7 @@ class GoodFETCCSPI(GoodFET): """Write a CCSPI Register.""" data=[reg,(val>>8)&0xFF,val&0xFF]; self.writecmd(self.CCSPIAPP,0x03,len(data),data); - if self.peek(reg,bytes)!=val: + if self.peek(reg,bytes)!=val and reg!=0x18: print "Warning, failed to set r%02x=0x%04x, got %02x." %( reg, val, @@ -120,10 +121,18 @@ class GoodFETCCSPI(GoodFET): return 0; def RF_setrate(self,rate=0): return 0; + def RF_getsync(self): + return self.peek(0x14); + def RF_setsync(self,sync=0xa70F): + """Set the SYNC preamble. + Use 0xA70F for 0xA7.""" + self.poke(0x14,sync); + return; + def RF_setfreq(self,frequency): """Set the frequency in Hz.""" mhz=frequency/1000000; - fsctrl=self.peek(0x18)&~0x3FF; + fsctrl=0x8000; #self.peek(0x18)&(~0x3FF); fsctrl=fsctrl+int(mhz-2048) self.poke(0x18,fsctrl); self.strobe(0x02); @@ -133,7 +142,7 @@ class GoodFETCCSPI(GoodFET): mhz=2048+(fsctrl&0x3ff) return mhz*1000000; def RF_setchan(self,channel): - if channel < 11 and channel > 26: + if channel < 11 or channel > 26: print "Only 802.15.4 channels 11 to 26 are currently supported."; else: self.RF_setfreq( ( (channel-11)*5 + 2405 ) * 1000000 ); @@ -177,6 +186,24 @@ class GoodFETCCSPI(GoodFET): #self.strobe(0x09); return; + def RF_reflexjam(self): + """Place the device into reflexive jamming mode.""" + data = ""; + self.writecmd(self.CCSPIAPP,0xA0,len(data),data); + return; + + def RF_reflexjam_seq(self): + """Place the device into reflexive jamming mode + and return the sequence number of the jammed packet.""" + #TODO make so that this function someone keeps receiving + # the sequence numbers from each jammed frame, or probably + # just make the firmware auto-ack if the frame requests + # an ACK instead of sending data back to client. + data = "\0"; + self.data = data; + self.writecmd(self.CCSPIAPP,0xA1,len(data),data); + buffer = self.data; + return ord(buffer[3]); def RF_modulated_spectrum(self): """Hold a carrier wave on the present frequency.""" @@ -247,7 +274,14 @@ class GoodFETCCSPI(GoodFET): mdmctrl0=mdmctrl0|0x800; self.poke(0x11,mdmctrl0); return; - + def RF_autocrc(self,autocrc=1): + mdmctrl0=self.peek(0x11); + if autocrc==0: + mdmctrl0=mdmctrl0&(~0x0020); + else: + mdmctrl0=mdmctrl0|0x0020; + self.poke(0x11,mdmctrl0); + return; packetlen=16; def RF_setpacketlen(self,len=16): """Set the number of bytes in the expected payload.""" @@ -278,6 +312,7 @@ class GoodFETCCSPI(GoodFET): for foo in packet: s="%s %02x" % (s,ord(foo)); print "#%s" % s; + def printdissect(self,packet): try: from scapy.all import Dot15d4