#!/usr/bin/env python

import sys;
import binascii;

from GoodFETMSP430 import GoodFETMSP430;
from intelhex import IntelHex16bit, IntelHex;


if(len(sys.argv)==1):
    print "Usage: %s verb [objects]\n" % sys.argv[0];
    print "%s test" % sys.argv[0];
    print "%s selftest" % sys.argv[0];
    print "%s dump $foo.hex [0x$start 0x$stop]" % sys.argv[0];
    print "%s erase" % sys.argv[0];
    print "%s eraseinfo" % sys.argv[0];
    print "%s flash $foo.hex [0x$start 0x$stop]" % sys.argv[0];
    print "%s verify $foo.hex [0x$start 0x$stop]" % sys.argv[0];
    print "%s poke 0x$adr 0x$val" % sys.argv[0];
    print "%s serial [$val]" % sys.argv[0];
    print "%s peek 0x$start [0x$stop]" % sys.argv[0];
    print "%s run" % sys.argv[0];
    sys.exit();

#Initialize FET and set baud rate
client=GoodFETMSP430();
client.serInit()

#Connect to target
client.setup();
#print "setup"

#Identify model number.
client.start();

if(sys.argv[1]=="info"):
    #print "Model    %08x " % client.MSP430deviceid();
    #print "Core     %04x " % client.MSP430coreid();
    #print "Identity %04x" % client.MSP430ident();
    print "Identifies as %s (%04x)" % (
        client.MSP430identstr(),
        client.MSP430ident());
if(sys.argv[1]=="test"):
    client.MSP430test();
if(sys.argv[1]=="glitch"):
    for foo in range(0,100):
        print "Identifies as %04x" % client.MSP430ident();
if(sys.argv[1]=="dump"):
    f = sys.argv[2];
    start=0x0200;
    stop=0xFFFF;
    if(len(sys.argv)>3):
        start=int(sys.argv[3],16);
    if(len(sys.argv)>4):
        stop=int(sys.argv[4],16);
    
    print "Dumping from %04x to %04x as %s." % (start,stop,f);
    #h = IntelHex16bit(None);
    h = IntelHex(None);
    i=start;
    while i<=stop:
        data=client.MSP430peekblock(i);
        print "Dumped %06x."%i;
        for j in data:
            if i<=stop: h[i]=ord(j);
            i+=1;
    h.write_hex_file(f);
if(sys.argv[1]=="erase"):
    print "Erasing main flash memory."
    client.MSP430masserase();
if(sys.argv[1]=="eraseinfo"):
    print "Erasing info memory."
    client.MSP430infoerase();

if(sys.argv[1]=="selftest"):
    import time;
    
    entry=client.peek16(0xFFC0);
    print "Calling self-test at 0x%04x." %entry;
    print "Memory from 0x3020 to 0x3030 should be zeroed.";
    
    for i in range(0x3020,0x3030):
        client.MSP430poke(i,0xFFFF);
    client.MSP430setPC(entry);
    time.sleep(5);
    errors=0;
    
    if(client.peek8(0x302F)==0xFF):
        print "Test not run.  Try again.";
        exit(0);
    
    for i in range(0x3020,0x3030,2):
        ret=client.peek16(i);
        if ret!=0:
            errors=errors+1;
            print "Failure at 0x%04x, returned %02xh." % (i,ret);
        
    if errors==0:
        print "Test succeeded.  Board is ready to ship."
    else:
        print "Test failed.  Is it soldered correctly?"
    #client.MSP430dumpmem(0x3020,0x3030);
    
if(sys.argv[1]=="ivt"):
    client.MSP430dumpmem(0xFFC0,0xFFFF);
if(sys.argv[1]=="regs"):
    for i in range(0,16):
        print "r%i=%04x" % (i,client.MSP430getreg(i));

if(sys.argv[1]=="flash"):
    f=sys.argv[2];
    start=0;
    stop=0x10000;
    if(len(sys.argv)>3):
        start=int(sys.argv[3],16);
    if(len(sys.argv)>4):
        stop=int(sys.argv[4],16);
    
    h = IntelHex16bit(f);
    
    #Should this be default?
    #Makes flashing multiple images inconvenient.
    #client.MSP430masserase();
    
    count=0; #Bytes in commit.
    first=0;
    vals=[];
    last=0;  #Last address committed.
    for i in h._buf.keys():
        if((count>0x40 or last+2!=i) and count>0 and i&1==0):
            #print "%i, %x, %x" % (len(vals), last, i);
            client.MSP430pokeflashblock(first,vals);
            count=0;
            first=0;
            last=0;
            vals=[];
        if(i>=start and i<stop  and i&1==0):
            val=h[i>>1];
            if(count==0):
                first=i;
            last=i;
            count+=2;
            vals+=[val&0xff,(val&0xff00)>>8];
            if(i%0x100==0):
                print "%04x" % i;
    if count>0: #last commit, ivt
        client.MSP430pokeflashblock(first,vals);
if(sys.argv[1]=="verify"):
    f=sys.argv[2];
    start=0;
    stop=0xFFFF;
    if(len(sys.argv)>3):
        start=int(sys.argv[3],16);
    if(len(sys.argv)>4):
        stop=int(sys.argv[4],16);
    
    h = IntelHex16bit(f);
    for i in h._buf.keys():
        if(i>=start and i<stop and i&1==0):
            peek=client.MSP430peek(i)
            if(h[i>>1]!=peek):
                print "ERROR at %04x, found %04x not %04x"%(i,peek,h[i>>1]);
            if(i%0x100==0):
                print "%04x" % i;
if(sys.argv[1]=="peek"):
    start=0x0000;
    if(len(sys.argv)>2):
        start=int(sys.argv[2],16);
    stop=start;
    if(len(sys.argv)>3):
        stop=int(sys.argv[3],16);
    print "Peeking from %04x to %04x." % (start,stop);
    while start<=stop:
        print "%04x: %04x" % (start,client.MSP430peek(start));
        start=start+2;

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 %04x." % (start,val);
    
    while client.MSP430peek(start)&(~val)>0:
        client.MSP430pokeflash(start,val);
        print "Poked to %04x" % client.MSP430peek(start);
if(sys.argv[1]=="serial"):
    oid=0xdeadbeef;
    if(len(sys.argv)>2):
        oid=eval(sys.argv[2]);
    else:
        #Crashes Windows.
        #simpchin=u=unichr(24207)+unichr(21015)+unichr(21495);  #Chinese for "Serial Number".
        #print simpchin;
        
        oid=input(u"Serial Number? ");
    adr=0xFFB0;
    if(len(sys.argv)>2):
        start=int(sys.argv[2],16);
    if(len(sys.argv)>3):
        val=int(sys.argv[3],16);
    print "Poking 32-bit OID to 0x%04x as %08x." % (adr,oid);
    client.MSP430pokeflash(adr,oid&0xFFFF);
    client.MSP430pokeflash(adr+2,(oid>>16)&0xFFFF);

if(sys.argv[1]=="run"):
    #Set PC to RESET vector's value.
    #client.MSP430setPC(client.MSP430peek(0xfffe));
    #client.MSP430releasecpu();
    client.MSP430run();

if(sys.argv[1]=="whatever"):
    for i in [0x24FF, 0x2500, 0x2502, 0x2504]:
        print "%04x" % client.MSP430peek(i);

#client.MSP430releasecpu();
#client.MSP430stop();