3 #GoodFET SPI Flash Client
7 #Might be Winbond W25x80-specific.
12 from GoodFET import GoodFET;
13 from intelhex import IntelHex;
16 print "Usage: %s verb [objects]\n" % sys.argv[0];
17 print "%s info" % sys.argv[0];
18 print "%s dump $foo.hex [0x$start 0x$stop]" % sys.argv[0];
19 print "%s erase" % sys.argv[0];
20 print "%s write $foo.hex [0x$start 0x$stop]" % sys.argv[0];
21 print "%s verify $foo.hex [0x$start 0x$stop]" % sys.argv[0];
22 print "%s peek 0x$start [0x$stop]" % sys.argv[0];
23 print "%s poke 0x$adr 0x$val" % sys.argv[0];
26 #Initailize FET and set baud rate
28 client.serInit("/dev/ttyUSB0")
32 if(sys.argv[1]=="test"):
36 data=client.SPIjedec();
37 if ord(data[1])==0xFF:
42 print "Connection Test: (- is bad)\n%s" % result;
43 print "%i misreads" % dropped;
45 print "No successful reads. Is the chip wired correctly?";
47 print "Some success, some failures. Is a wire loose?";
49 print "All reads succeeded. Wiring is probably good.";
51 if(sys.argv[1]=="info"):
52 data=client.SPIjedec();
53 print "Ident as %s\nManufacturer: %02x %s\nType: %02x\nCapacity: %02x" % (
55 ord(data[1]),client.SPIjedecmanstr(),
59 if(sys.argv[1]=="dump"):
62 stop=0x100000; #TODO, adjust this by the JEDEC size parameter.
64 start=int(sys.argv[3],16);
66 stop=int(sys.argv[4],16);
70 print "Dumping code from %06x to %06x as %s." % (start,stop,f);
71 file = open(f, mode='wb')
75 data=client.SPIpeekblock(i);
79 print "Dumped %06x."%i;
84 if(sys.argv[1]=="erase"):
85 client.SPIchiperase();
87 if(sys.argv[1]=="peek"):
90 start=int(sys.argv[2],16);
93 stop=int(sys.argv[3],16);
94 print "Peeking from %06x to %06x." % (start,stop);
96 print "%06x: %02x" % (start,client.SPIpeek(start));
99 if(sys.argv[1]=="poke"):
103 start=int(sys.argv[2],16);
105 val=int(sys.argv[3],16);
106 print "Poking %06x to become %02x." % (start,val);
107 client.SPIpokebyte(start,val);