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):
13 #Set APP to be MSP430APP or MSP430X2APP, the latter being preferred.
15 #0x16 for class, 0x17 for SBW, 0x11 by default
24 """Move the FET into the MSP430 JTAG application."""
25 self.writecmd(self.MSP430APP,0x10,0,None);
29 self.writecmd(self.MSP430APP,0x21,0,self.data);
31 def MSP430coreid(self):
32 """Get the Core ID. (MSP430X2 only?)"""
33 self.writecmd(self.MSP430APP,0xF0);
34 CoreID=ord(self.data[0])+(ord(self.data[1])<<8);
36 def MSP430deviceid(self):
37 """Get the Device ID. (MSP430X2 only?)"""
38 self.writecmd(self.MSP430APP,0xF1);
40 ord(self.data[0])+(ord(self.data[1])<<8)+
41 (ord(self.data[2])<<16)+(ord(self.data[3])<<24));
43 def peek16(self,adr,memory="vn"):
44 return self.MSP430peek(adr);
45 def peek8(self,adr, memory="vn"):
46 adr=self.MSP430peek(adr&~1);
47 if adr&1==0: return adr&0xFF;
49 def MSP430peek(self,adr):
50 """Read a word at an address."""
51 self.data=[adr&0xff, (adr&0xff00)>>8,
52 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
54 self.writecmd(self.MSP430APP,0x02,4,self.data);
55 #print "Got %i bytes peeking 0x%04x." % (len(self.data),adr);
56 return ord(self.data[0])+(ord(self.data[1])<<8);
57 def MSP430peekblock(self,adr):
58 """Grab a few block from an SPI Flash ROM. Block size is unknown"""
59 data=[adr&0xff, (adr&0xff00)>>8,
60 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
62 self.writecmd(self.MSP430APP,0x02,6,data);
65 def MSP430poke(self,adr,val):
66 """Write the contents of memory at an address."""
67 self.data=[adr&0xff, (adr&0xff00)>>8,
68 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
69 val&0xff, (val&0xff00)>>8];
70 self.writecmd(self.MSP430APP,0x03,6,self.data);
71 written=ord(self.data[0])+(ord(self.data[1])<<8);
73 print "Failed to write 0x%04x to 0x%04x" % (val,adr);
75 def MSP430pokeflash(self,adr,val):
76 """Write the contents of flash memory at an address."""
77 self.data=[adr&0xff, (adr&0xff00)>>8,
78 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
79 val&0xff, (val&0xff00)>>8];
80 self.writecmd(self.MSP430APP,0xE1,6,self.data);
81 return ord(self.data[0])+(ord(self.data[1])<<8);
82 def MSP430pokeflashblock(self,adr,data):
83 """Write many words to flash memory at an address."""
84 self.data=[adr&0xff, (adr&0xff00)>>8,
85 (adr&0xff0000)>>16,(adr&0xff000000)>>24]+data;
86 #print "Writing %i bytes to %x" % (len(data),adr);
87 #print "%2x %2x %2x %2x ..." % (data[0], data[1], data[2], data[3]);
88 self.writecmd(self.MSP430APP,0xE1,len(self.data),self.data);
89 return ord(self.data[0])+(ord(self.data[1])<<8);
91 """Start debugging."""
92 self.writecmd(self.MSP430APP,0x20,0,self.data);
93 self.JTAGID=ord(self.data[0]);
94 if(not (self.JTAGID==0x89 or self.JTAGID==0x91)):
96 self.writecmd(self.MSP430APP,0x20,0,self.data);
97 self.JTAGID=ord(self.data[0]);
99 #print "Identified as %02x." % self.JTAGID;
100 if(not (self.JTAGID==0x89 or self.JTAGID==0x91)):
101 print "Error, misidentified as %02x.\nCheck wiring, as this should be 0x89 or 0x91." % self.JTAGID;
102 self.MSP430haltcpu();
103 def MSP430haltcpu(self):
105 self.writecmd(self.MSP430APP,0xA0,0,self.data);
106 def MSP430releasecpu(self):
107 """Resume the CPU."""
108 self.writecmd(self.MSP430APP,0xA1,0,self.data);
109 def MSP430shiftir8(self,ins):
110 """Shift the 8-bit Instruction Register."""
112 self.writecmd(self.MSP430APP,0x80,1,data);
113 return ord(self.data[0]);
114 def MSP430shiftdr16(self,dat):
115 """Shift the 16-bit Data Register."""
116 data=[dat&0xFF,(dat&0xFF00)>>8];
117 self.writecmd(self.MSP430APP,0x81,2,data);
118 return ord(self.data[0])#+(ord(self.data[1])<<8);
119 def MSP430setinstrfetch(self):
120 """Set the instruction fetch mode."""
121 self.writecmd(self.MSP430APP,0xC1,0,self.data);
123 def MSP430ident(self):
124 """Grab self-identification word from 0x0FF0 as big endian."""
126 if(self.JTAGID==0x89):
127 i=self.MSP430peek(0x0ff0);
128 ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
130 if(self.JTAGID==0x91):
131 i=self.MSP430peek(0x1A04);
132 ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
136 def MSP430identstr(self):
137 """Grab model string."""
138 return self.MSP430devices.get(self.MSP430ident());
141 0xf227: "MSP430F22xx",
142 0xf213: "MSP430F21x1",
143 0xf249: "MSP430F24x",
144 0xf26f: "MSP430F261x",
145 0xf237: "MSP430F23x0",
146 0xf201: "MSP430F201x",
149 0xf16c: "MSP430F161x",
150 0xf149: "MSP430F13x", #or f14x(1)
151 0xf112: "MSP430F11x", #or f11x1
152 0xf143: "MSP430F14x",
153 0xf112: "MSP430F11x", #or F11x1A
154 0xf123: "MSP430F1xx", #or F123x
155 0x1132: "MSP430F1122", #or F1132
156 0x1232: "MSP430F1222", #or F1232
157 0xf169: "MSP430F16x",
160 0xF449: "MSP430F43x", #or F44x
161 0xF427: "MSP430FE42x", #or FW42x, F415, F417
162 0xF439: "MSP430FG43x",
163 0xf46f: "MSP430FG46xx", #or F471xx
166 def MSP430test(self):
167 """Test MSP430 JTAG. Requires that a chip be attached."""
169 if self.MSP430ident()==0xffff:
170 print "ERROR Is anything connected?";
171 print "Testing %s." % self.MSP430identstr();
172 print "Testing RAM from 200 to 210.";
173 for a in range(0x200,0x210):
174 self.MSP430poke(a,0);
175 if(self.MSP430peek(a)!=0):
176 print "Fault at %06x" % a;
177 self.MSP430poke(a,0xffff);
178 if(self.MSP430peek(a)!=0xffff):
179 print "Fault at %06x" % a;
181 print "Testing identity consistency."
182 ident=self.MSP430ident();
183 for a in range(1,20):
184 ident2=self.MSP430ident();
186 print "Identity %04x!=%04x" % (ident,ident2);
188 print "Testing flash erase."
189 self.MSP430masserase();
190 for a in range(0xffe0, 0xffff):
191 if self.MSP430peek(a)!=0xffff:
192 print "%04x unerased, equals %04x" % (
193 a, self.MSP430peek(a));
195 print "Testing flash write."
196 for a in range(0xffe0, 0xffff):
197 self.MSP430pokeflash(a,0xbeef);
198 if self.MSP430peek(a)!=0xbeef:
199 print "%04x unset, equals %04x" % (
200 a, self.MSP430peek(a));
202 print "Tests complete, erasing."
203 self.MSP430masserase();
205 def MSP430masserase(self):
206 """Erase MSP430 flash memory."""
207 self.writecmd(self.MSP430APP,0xE3,0,None);
208 def MSP430infoerase(self):
209 """Erase MSP430 info flash."""
210 self.writecmd(self.MSP430APP,0xE8,0,None);
212 def MSP430setPC(self, pc):
213 """Set the program counter."""
214 self.writecmd(self.MSP430APP,0xC2,2,[pc&0xFF,(pc>>8)&0xFF]);
215 def MSP430setreg(self,reg,val):
216 """Set a register."""
217 self.writecmd(self.MSP430APP,0xD2,3,[reg,val&0xFF,(val>>8)&0xFF]);
218 def MSP430getreg(self,reg):
219 """Get a register."""
220 self.writecmd(self.MSP430APP,0xD3,1,[reg]);
221 return ord(self.data[0])+(ord(self.data[1])<<8);
224 """Reset the MSP430 to run on its own."""
225 self.writecmd(self.MSP430APP,0x21,0,None);
226 def MSP430dumpbsl(self):
227 self.MSP430dumpmem(0xC00,0xfff);
228 def MSP430dumpallmem(self):
229 self.MSP430dumpmem(0x200,0xffff);
230 def MSP430dumpmem(self,begin,end):
233 print "%04x %04x" % (i, self.MSP430peek(i));