X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2Fgoodfet.spiflash;h=dcdc68be9ab4fa486c2143dfb631b67b5dbf6e98;hp=7056968a89aff22b93f91a1ba573679048509ff5;hb=d08bfd3c7cdc687fd68ba9025702c262665e52d3;hpb=92560226caf1a463eb144324978b0a390327e09e diff --git a/client/goodfet.spiflash b/client/goodfet.spiflash index 7056968..dcdc68b 100755 --- a/client/goodfet.spiflash +++ b/client/goodfet.spiflash @@ -8,27 +8,33 @@ import sys; import binascii; +import array; -from GoodFET import GoodFET; +from GoodFETSPI import GoodFETSPIFlash; from intelhex import IntelHex; if(len(sys.argv)==1): print "Usage: %s verb [objects]\n" % sys.argv[0]; print "%s info" % sys.argv[0]; - print "%s dump $foo.hex [0x$start 0x$stop]" % sys.argv[0]; + print "%s dump $foo.rom [0x$start 0x$stop]" % sys.argv[0]; print "%s erase" % sys.argv[0]; - print "%s write $foo.hex [0x$start 0x$stop]" % sys.argv[0]; - print "%s verify $foo.hex [0x$start 0x$stop]" % sys.argv[0]; + print "%s flash $foo.rom [0x$start 0x$stop]" % sys.argv[0]; + print "%s verify $foo.rom [0x$start 0x$stop]" % sys.argv[0]; print "%s peek 0x$start [0x$stop]" % sys.argv[0]; print "%s poke 0x$adr 0x$val" % sys.argv[0]; sys.exit(); -#Initailize FET and set baud rate -client=GoodFET(); -client.serInit("/dev/ttyUSB0") +#Initialize FET and set baud rate +client=GoodFETSPIFlash(); +client.serInit() + client.SPIsetup(); +#Dummy read. +#Might read as all ones if chip has a startup delay. +client.SPIjedec(); + if(sys.argv[1]=="test"): result=""; dropped=0; @@ -47,43 +53,116 @@ if(sys.argv[1]=="test"): print "Some success, some failures. Is a wire loose?"; else: print "All reads succeeded. Wiring is probably good."; - + print "Erasing."; + client.SPIchiperase(); + print "Testing erase."; + data=client.SPIpeekblock(0); + for i in data: + if ord(i)!=0xFF: + print "ERROR not properly erased!"; + data=range(0,10); + client.SPIpokebytes(0,data); + print "Testing flash write."; + for i in data: + if(client.SPIpeek(i)!=i): + print "%06x not properly poked to %02x" % (i,i); + print "Test complete."; if(sys.argv[1]=="info"): data=client.SPIjedec(); - print "Ident as %s\nManufacturer: %02x %s\nType: %02x\nCapacity: %02x" % ( + print "Ident as %s\nManufacturer: %02x %s\nType: %02x\nCapacity: %02x (%i bytes)" % ( client.SPIjedecstr(), ord(data[1]),client.SPIjedecmanstr(), ord(data[2]), - ord(data[3])); + ord(data[3]), + client.JEDECsize); if(sys.argv[1]=="dump"): f = sys.argv[2]; start=0x0000; - stop=0xFFFF; + stop=client.JEDECsize; if(len(sys.argv)>3): start=int(sys.argv[3],16); if(len(sys.argv)>4): stop=int(sys.argv[4],16); - print "Dumping code from %04x to %04x as %s." % (start,stop,f); - h = IntelHex(None); + print "Dumping code from %06x to %06x as %s." % (start,stop,f); + file = open(f, mode='wb') + i=start; while i<=stop: data=client.SPIpeekblock(i); - - - if(i%0x100==0): - print "Dumped %04x."%i; + #if(i%0x1000==0): + print "Dumped %06x."%i; + for j in data: + if i3): + start=int(sys.argv[3],16); + if(len(sys.argv)>4): + stop=int(sys.argv[4],16); + + print "Verifying code from %06x to %06x as %s." % (start,stop,f); + file = open(f, mode='rb') + + i=start; + bytes=0; + while i<=stop: + data=client.SPIpeekblock(i); + print "Verified %06x." % i; for j in data: - h[i]=ord(j); - #print "*%08x=%02x" % (i,ord(j)); + if i3): + start=int(sys.argv[3],16); + if(len(sys.argv)>4): + stop=int(sys.argv[4],16); + + print "Flashing code from %06x to %06x with %s." % (start,stop,f); + print "FIXME This might fail if the file is of an odd size."; + file = open(f, mode='rb') + + i=start; + chars=list(file.read()); + chunksize=0x100; + + while i<=stop: + bytes=range(0,chunksize); + for j in range(0,chunksize): + bytes[j]=ord(chars[i+j]); + client.SPIpokebytes(i,bytes); + + i+=chunksize; + if(i%0x1000==0): + print "Flashed %06x."%i; + + + file.close() + if(sys.argv[1]=="erase"): - print "Status: %s" % client.CCstatusstr(); - client.CCchiperase(); - print "Status: %s" %client.CCstatusstr(); + client.SPIchiperase(); if(sys.argv[1]=="peek"): start=0x0000; @@ -92,18 +171,21 @@ if(sys.argv[1]=="peek"): stop=start; if(len(sys.argv)>3): stop=int(sys.argv[3],16); - print "Peeking from %04x to %04x." % (start,stop); + print "Peeking from %06x to %06x." % (start,stop); while start<=stop: - print "%04x: %02x" % (start,client.SPIpeek(start)); + print "%06x: %02x" % (start,client.SPIpeek(start)); start=start+1; -# if(sys.argv[1]=="poke"): -# start=0x0000; -# val=0x00; -# if(len(sys.argv)>2): -# start=int(sys.argv[2],16); -# if(len(sys.argv)>3): -# val=int(sys.argv[3],16); -# print "Poking %04x to become %02x." % (start,val); -# client.CCpokedatabyte(start,val); +if(sys.argv[1]=="poke"): + start=0x0000; + val=0x00; + if(len(sys.argv)>2): + start=int(sys.argv[2],16); + if(len(sys.argv)>3): + val=int(sys.argv[3],16); + print "Poking %06x to become %02x." % (start,val); + + while client.SPIpeek(start)!=val: + client.SPIpokebyte(start,val); + print "Poked to %02x" % client.SPIpeek(start);