3 #GoodFET SPI Flash Client
11 from GoodFETNRF import GoodFETNRF;
12 from intelhex import IntelHex;
14 def printpacket(packet):
19 if i>client.packetlen: break;
20 s="%s %02x" % (s,ord(foo));
24 print "SMAC 0x%010x" % client.RF_getsmac();
25 print "TMAC 0x%010x" % client.RF_gettmac();
26 print "Freq %10i MHz" % (client.RF_getfreq()/10**6);
27 print "PacketLen %02i bytes" % client.RF_getpacketlen();
28 print "MacLen %2i bytes" % client.RF_getmaclen();
31 print "Usage: %s verb [objects]\n" % sys.argv[0];
32 print "%s info" % sys.argv[0];
33 print "%s test" % sys.argv[0];
34 print "%s regs" % sys.argv[0];
35 print "%s sniffob\n\tSniffs OpenBeacon traffic." % sys.argv[0];
36 print "%s carrier [freq]\n\tHolds a carrier on [freq] Hz." % sys.argv[0];
39 #Initialize FET and set baud rate
45 if(sys.argv[1]=="info"):
48 if(sys.argv[1]=="test"):
49 # Set PWR_UP=1 and PRIM_RX=0 in CONFIG.
51 #Delay of 1.5ms by round-trip.
52 # Set CONT_WAVE, PLL_LOCK, and 0dBm in RF_SETUP
53 client.poke(0x06,8+10+4+2);
54 client.RF_setfreq(2480 * 10**6);
56 #Print registers, just for fun.
59 client.poke(0x0A,0xDEADBEEF,5);
60 #print "SMAC set to %010x" % client.RF_getsmac();
61 if client.RF_getsmac()!=0xdeadbeef:
62 print "ERROR: Failed to set MAC address.";
64 if(sys.argv[1]=="carrier"):
66 client.RF_setfreq(eval(sys.argv[2]));
69 print "\nHolding a carrier wave.";
72 if(sys.argv[1]=="regs"):
73 for r in range(0,0x20):
74 print "r[0x%02x]=0x%010x" % (r,client.peek(r));
76 if(sys.argv[1]=="sniffob"):
77 #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
78 #TODO remove all poke() calls.
80 client.poke(0x00,0x00); #Stop nRF
81 client.poke(0x01,0x00); #Disable Shockburst
82 client.poke(0x02,0x01); #Set RX Pipe 0
83 client.RF_setmaclen(5); # SETUP_AW for 5-byte addresses.
84 client.RF_setfreq(2481 * 10**6);
85 client.poke(0x06,0x09); #2MBps, -18dBm in RF_SETUP
86 client.poke(0x07,0x78); #Reset status register
88 #OpenBeacon defines these in little endian as follows.
89 #0x01, 0x02, 0x03, 0x02, 0x01
90 client.RF_setsmac(0x0102030201);
91 #'O', 'C', 'A', 'E', 'B'
92 client.RF_settmac(0x424541434F);
94 #Set packet length of 16.
95 client.RF_setpacketlen(16);
97 #Power radio, prime for RX, checksum.
98 client.poke(0x00,0x70|0x03|0x08);
100 print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
101 client.RF_getfreq()/10**6);
102 #Now we're ready to get packets.
108 packet=client.RF_rxpacket();