2 # GoodFET Client Library
4 # (C) 2009 Travis Goodspeed <travis at radiantmachines.com>
6 # Presently being rewritten.
8 import sys, time, string, cStringIO, struct, glob, serial, os;
10 from GoodFET import GoodFET;
12 class GoodFETMSP430(GoodFET):
14 MSP430APP=0x11; #Changed by inheritors.
15 MSP430X2APP=0x16; #Changed by inheritors.
21 """Move the FET into the MSP430 JTAG application."""
22 self.writecmd(self.MSP430APP,0x10,0,None);
26 self.writecmd(self.MSP430APP,0x21,0,self.data);
28 def MSP430coreid(self):
29 """Get the Core ID. (MSP430X2 only?)"""
30 self.writecmd(self.MSP430APP,0xF0);
31 CoreID=ord(self.data[0])+(ord(self.data[1])<<8);
33 def MSP430deviceid(self):
34 """Get the Device ID. (MSP430X2 only?)"""
35 self.writecmd(self.MSP430APP,0xF1);
37 ord(self.data[0])+(ord(self.data[1])<<8)+
38 (ord(self.data[2])<<16)+(ord(self.data[3])<<24));
40 def peek16(self,adr,memory="vn"):
41 return self.MSP430peek(adr);
42 def peek8(self,adr, memory="vn"):
43 adr=self.MSP430peek(adr&~1);
44 if adr&1==0: return adr&0xFF;
46 def MSP430peek(self,adr):
47 """Read a word at an address."""
48 self.data=[adr&0xff, (adr&0xff00)>>8,
49 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
51 self.writecmd(self.MSP430APP,0x02,4,self.data);
53 return ord(self.data[0])+(ord(self.data[1])<<8);
54 def MSP430peekblock(self,adr):
55 """Grab a few block from an SPI Flash ROM. Block size is unknown"""
56 data=[adr&0xff, (adr&0xff00)>>8,
57 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
59 self.writecmd(self.MSP430APP,0x02,6,data);
62 def MSP430poke(self,adr,val):
63 """Write the contents of memory at an address."""
64 self.data=[adr&0xff, (adr&0xff00)>>8,
65 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
66 val&0xff, (val&0xff00)>>8];
67 self.writecmd(self.MSP430APP,0x03,6,self.data);
68 written=ord(self.data[0])+(ord(self.data[1])<<8);
70 print "Failed to write 0x%04x to 0x%04x" % (val,adr);
72 def MSP430pokeflash(self,adr,val):
73 """Write the contents of flash memory at an address."""
74 self.data=[adr&0xff, (adr&0xff00)>>8,
75 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
76 val&0xff, (val&0xff00)>>8];
77 self.writecmd(self.MSP430APP,0xE1,6,self.data);
78 return ord(self.data[0])+(ord(self.data[1])<<8);
79 def MSP430pokeflashblock(self,adr,data):
80 """Write many words to flash memory at an address."""
81 self.data=[adr&0xff, (adr&0xff00)>>8,
82 (adr&0xff0000)>>16,(adr&0xff000000)>>24]+data;
83 #print "Writing %i bytes to %x" % (len(data),adr);
84 #print "%2x %2x %2x %2x ..." % (data[0], data[1], data[2], data[3]);
85 self.writecmd(self.MSP430APP,0xE1,len(self.data),self.data);
86 return ord(self.data[0])+(ord(self.data[1])<<8);
88 """Start debugging."""
89 self.writecmd(self.MSP430APP,0x20,0,self.data);
90 self.JTAGID=ord(self.data[0]);
91 if(not (self.JTAGID==0x89 or self.JTAGID==0x91)):
93 self.writecmd(self.MSP430APP,0x20,0,self.data);
94 self.JTAGID=ord(self.data[0]);
96 #print "Identified as %02x." % self.JTAGID;
97 if(not (self.JTAGID==0x89 or self.JTAGID==0x91)):
98 print "Error, misidentified as %02x.\nCheck wiring, as this should be 0x89 or 0x91." % self.JTAGID;
100 def MSP430haltcpu(self):
102 self.writecmd(self.MSP430APP,0xA0,0,self.data);
103 def MSP430releasecpu(self):
104 """Resume the CPU."""
105 self.writecmd(self.MSP430APP,0xA1,0,self.data);
106 def MSP430shiftir8(self,ins):
107 """Shift the 8-bit Instruction Register."""
109 self.writecmd(self.MSP430APP,0x80,1,data);
110 return ord(self.data[0]);
111 def MSP430shiftdr16(self,dat):
112 """Shift the 16-bit Data Register."""
113 data=[dat&0xFF,(dat&0xFF00)>>8];
114 self.writecmd(self.MSP430APP,0x81,2,data);
115 return ord(self.data[0])#+(ord(self.data[1])<<8);
116 def MSP430setinstrfetch(self):
117 """Set the instruction fetch mode."""
118 self.writecmd(self.MSP430APP,0xC1,0,self.data);
120 def MSP430ident(self):
121 """Grab self-identification word from 0x0FF0 as big endian."""
123 if(self.JTAGID==0x89):
124 i=self.MSP430peek(0x0ff0);
125 ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
127 if(self.JTAGID==0x91):
128 i=self.MSP430peek(0x1A04);
129 ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
133 def MSP430identstr(self):
134 """Grab model string."""
135 return self.MSP430devices.get(self.MSP430ident());
138 0xf227: "MSP430F22xx",
139 0xf213: "MSP430F21x1",
140 0xf249: "MSP430F24x",
141 0xf26f: "MSP430F261x",
142 0xf237: "MSP430F23x0",
143 0xf201: "MSP430F201x",
146 0xf16c: "MSP430F161x",
147 0xf149: "MSP430F13x", #or f14x(1)
148 0xf112: "MSP430F11x", #or f11x1
149 0xf143: "MSP430F14x",
150 0xf112: "MSP430F11x", #or F11x1A
151 0xf123: "MSP430F1xx", #or F123x
152 0x1132: "MSP430F1122", #or F1132
153 0x1232: "MSP430F1222", #or F1232
154 0xf169: "MSP430F16x",
157 0xF449: "MSP430F43x", #or F44x
158 0xF427: "MSP430FE42x", #or FW42x, F415, F417
159 0xF439: "MSP430FG43x",
160 0xf46f: "MSP430FG46xx", #or F471xx
163 def MSP430test(self):
164 """Test MSP430 JTAG. Requires that a chip be attached."""
166 if self.MSP430ident()==0xffff:
167 print "ERROR Is anything connected?";
168 print "Testing %s." % self.MSP430identstr();
169 print "Testing RAM from 200 to 210.";
170 for a in range(0x200,0x210):
171 self.MSP430poke(a,0);
172 if(self.MSP430peek(a)!=0):
173 print "Fault at %06x" % a;
174 self.MSP430poke(a,0xffff);
175 if(self.MSP430peek(a)!=0xffff):
176 print "Fault at %06x" % a;
178 print "Testing identity consistency."
179 ident=self.MSP430ident();
180 for a in range(1,20):
181 ident2=self.MSP430ident();
183 print "Identity %04x!=%04x" % (ident,ident2);
185 print "Testing flash erase."
186 self.MSP430masserase();
187 for a in range(0xffe0, 0xffff):
188 if self.MSP430peek(a)!=0xffff:
189 print "%04x unerased, equals %04x" % (
190 a, self.MSP430peek(a));
192 print "Testing flash write."
193 for a in range(0xffe0, 0xffff):
194 self.MSP430pokeflash(a,0xbeef);
195 if self.MSP430peek(a)!=0xbeef:
196 print "%04x unset, equals %04x" % (
197 a, self.MSP430peek(a));
199 print "Tests complete, erasing."
200 self.MSP430masserase();
202 def MSP430masserase(self):
203 """Erase MSP430 flash memory."""
204 self.writecmd(self.MSP430APP,0xE3,0,None);
205 def MSP430infoerase(self):
206 """Erase MSP430 info flash."""
207 self.writecmd(self.MSP430APP,0xE8,0,None);
209 def MSP430setPC(self, pc):
210 """Set the program counter."""
211 self.writecmd(self.MSP430APP,0xC2,2,[pc&0xFF,(pc>>8)&0xFF]);
212 def MSP430setreg(self,reg,val):
213 """Set a register."""
214 self.writecmd(self.MSP430APP,0xD2,3,[reg,val&0xFF,(val>>8)&0xFF]);
215 def MSP430getreg(self,reg):
216 """Get a register."""
217 self.writecmd(self.MSP430APP,0xD3,1,[reg]);
218 return ord(self.data[0])+(ord(self.data[1])<<8);
221 """Reset the MSP430 to run on its own."""
222 self.writecmd(self.MSP430APP,0x21,0,None);
223 def MSP430dumpbsl(self):
224 self.MSP430dumpmem(0xC00,0xfff);
225 def MSP430dumpallmem(self):
226 self.MSP430dumpmem(0x200,0xffff);
227 def MSP430dumpmem(self,begin,end):
230 print "%04x %04x" % (i, self.MSP430peek(i));