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 MSP430APP=0x11; #Changed by inheritors.
22 """Move the FET into the MSP430 JTAG application."""
23 self.writecmd(self.MSP430APP,0x10,0,None);
27 self.writecmd(self.MSP430APP,0x21,0,self.data);
29 def MSP430coreid(self):
30 """Get the Core ID. (MSP430X2 only?)"""
31 self.writecmd(self.MSP430APP,0xF0);
32 CoreID=ord(self.data[0])+(ord(self.data[1])<<8);
34 def MSP430deviceid(self):
35 """Get the Device ID. (MSP430X2 only?)"""
36 self.writecmd(self.MSP430APP,0xF1);
38 ord(self.data[0])+(ord(self.data[1])<<8)+
39 (ord(self.data[2])<<16)+(ord(self.data[3])<<24));
41 def peek16(self,adr,memory="vn"):
42 return self.MSP430peek(adr);
43 def peek8(self,adr, memory="vn"):
44 adr=self.MSP430peek(adr&~1);
45 if adr&1==0: return adr&0xFF;
47 def MSP430peek(self,adr):
48 """Read a word at an address."""
49 self.data=[adr&0xff, (adr&0xff00)>>8,
50 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
52 self.writecmd(self.MSP430APP,0x02,4,self.data);
53 #print "Got %i bytes peeking 0x%04x." % (len(self.data),adr);
54 return ord(self.data[0])+(ord(self.data[1])<<8);
55 def MSP430peekblock(self,adr):
56 """Grab a few block from an SPI Flash ROM. Block size is unknown"""
57 data=[adr&0xff, (adr&0xff00)>>8,
58 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
60 self.writecmd(self.MSP430APP,0x02,6,data);
63 def MSP430poke(self,adr,val):
64 """Write the contents of memory at an address."""
65 self.data=[adr&0xff, (adr&0xff00)>>8,
66 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
67 val&0xff, (val&0xff00)>>8];
68 self.writecmd(self.MSP430APP,0x03,6,self.data);
69 written=ord(self.data[0])+(ord(self.data[1])<<8);
71 print "Failed to write 0x%04x to 0x%04x" % (val,adr);
73 def MSP430pokeflash(self,adr,val):
74 """Write the contents of flash memory at an address."""
75 self.data=[adr&0xff, (adr&0xff00)>>8,
76 (adr&0xff0000)>>16,(adr&0xff000000)>>24,
77 val&0xff, (val&0xff00)>>8];
78 self.writecmd(self.MSP430APP,0xE1,6,self.data);
79 return ord(self.data[0])+(ord(self.data[1])<<8);
80 def MSP430pokeflashblock(self,adr,data):
81 """Write many words to flash memory at an address."""
82 self.data=[adr&0xff, (adr&0xff00)>>8,
83 (adr&0xff0000)>>16,(adr&0xff000000)>>24]+data;
84 #print "Writing %i bytes to %x" % (len(data),adr);
85 #print "%2x %2x %2x %2x ..." % (data[0], data[1], data[2], data[3]);
86 self.writecmd(self.MSP430APP,0xE1,len(self.data),self.data);
87 return ord(self.data[0])+(ord(self.data[1])<<8);
89 """Start debugging."""
90 self.writecmd(self.MSP430APP,0x20,0,self.data);
91 self.JTAGID=ord(self.data[0]);
92 if(not (self.JTAGID==0x89 or self.JTAGID==0x91)):
94 self.writecmd(self.MSP430APP,0x20,0,self.data);
95 self.JTAGID=ord(self.data[0]);
97 #print "Identified as %02x." % self.JTAGID;
98 if(not (self.JTAGID==0x89 or self.JTAGID==0x91)):
99 print "Error, misidentified as %02x.\nCheck wiring, as this should be 0x89 or 0x91." % self.JTAGID;
100 self.MSP430haltcpu();
101 def MSP430haltcpu(self):
103 self.writecmd(self.MSP430APP,0xA0,0,self.data);
104 def MSP430releasecpu(self):
105 """Resume the CPU."""
106 self.writecmd(self.MSP430APP,0xA1,0,self.data);
107 def MSP430shiftir8(self,ins):
108 """Shift the 8-bit Instruction Register."""
110 self.writecmd(self.MSP430APP,0x80,1,data);
111 return ord(self.data[0]);
112 def MSP430shiftdr16(self,dat):
113 """Shift the 16-bit Data Register."""
114 data=[dat&0xFF,(dat&0xFF00)>>8];
115 self.writecmd(self.MSP430APP,0x81,2,data);
116 return ord(self.data[0])#+(ord(self.data[1])<<8);
117 def MSP430setinstrfetch(self):
118 """Set the instruction fetch mode."""
119 self.writecmd(self.MSP430APP,0xC1,0,self.data);
121 def MSP430ident(self):
122 """Grab self-identification word from 0x0FF0 as big endian."""
124 if(self.JTAGID==0x89):
125 i=self.MSP430peek(0x0ff0);
126 ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
128 if(self.JTAGID==0x91):
129 i=self.MSP430peek(0x1A04);
130 ident=((i&0xFF00)>>8)+((i&0xFF)<<8)
134 def MSP430identstr(self):
135 """Grab model string."""
136 return self.MSP430devices.get(self.MSP430ident());
139 0xf227: "MSP430F22xx",
140 0xf213: "MSP430F21x1",
141 0xf249: "MSP430F24x",
142 0xf26f: "MSP430F261x",
143 0xf237: "MSP430F23x0",
144 0xf201: "MSP430F201x",
147 0xf16c: "MSP430F161x",
148 0xf149: "MSP430F13x", #or f14x(1)
149 0xf112: "MSP430F11x", #or f11x1
150 0xf143: "MSP430F14x",
151 0xf112: "MSP430F11x", #or F11x1A
152 0xf123: "MSP430F1xx", #or F123x
153 0x1132: "MSP430F1122", #or F1132
154 0x1232: "MSP430F1222", #or F1232
155 0xf169: "MSP430F16x",
158 0xF449: "MSP430F43x", #or F44x
159 0xF427: "MSP430FE42x", #or FW42x, F415, F417
160 0xF439: "MSP430FG43x",
161 0xf46f: "MSP430FG46xx", #or F471xx
164 def MSP430test(self):
165 """Test MSP430 JTAG. Requires that a chip be attached."""
167 if self.MSP430ident()==0xffff:
168 print "ERROR Is anything connected?";
169 print "Testing %s." % self.MSP430identstr();
170 print "Testing RAM from 200 to 210.";
171 for a in range(0x200,0x210):
172 self.MSP430poke(a,0);
173 if(self.MSP430peek(a)!=0):
174 print "Fault at %06x" % a;
175 self.MSP430poke(a,0xffff);
176 if(self.MSP430peek(a)!=0xffff):
177 print "Fault at %06x" % a;
179 print "Testing identity consistency."
180 ident=self.MSP430ident();
181 for a in range(1,20):
182 ident2=self.MSP430ident();
184 print "Identity %04x!=%04x" % (ident,ident2);
186 print "Testing flash erase."
187 self.MSP430masserase();
188 for a in range(0xffe0, 0xffff):
189 if self.MSP430peek(a)!=0xffff:
190 print "%04x unerased, equals %04x" % (
191 a, self.MSP430peek(a));
193 print "Testing flash write."
194 for a in range(0xffe0, 0xffff):
195 self.MSP430pokeflash(a,0xbeef);
196 if self.MSP430peek(a)!=0xbeef:
197 print "%04x unset, equals %04x" % (
198 a, self.MSP430peek(a));
200 print "Tests complete, erasing."
201 self.MSP430masserase();
203 def MSP430masserase(self):
204 """Erase MSP430 flash memory."""
205 self.writecmd(self.MSP430APP,0xE3,0,None);
206 def MSP430infoerase(self):
207 """Erase MSP430 info flash."""
208 self.writecmd(self.MSP430APP,0xE8,0,None);
210 def MSP430setPC(self, pc):
211 """Set the program counter."""
212 self.writecmd(self.MSP430APP,0xC2,2,[pc&0xFF,(pc>>8)&0xFF]);
213 def MSP430setreg(self,reg,val):
214 """Set a register."""
215 self.writecmd(self.MSP430APP,0xD2,3,[reg,val&0xFF,(val>>8)&0xFF]);
216 def MSP430getreg(self,reg):
217 """Get a register."""
218 self.writecmd(self.MSP430APP,0xD3,1,[reg]);
219 return ord(self.data[0])+(ord(self.data[1])<<8);
222 """Reset the MSP430 to run on its own."""
223 self.writecmd(self.MSP430APP,0x21,0,None);
224 def MSP430dumpbsl(self):
225 self.MSP430dumpmem(0xC00,0xfff);
226 def MSP430dumpallmem(self):
227 self.MSP430dumpmem(0x200,0xffff);
228 def MSP430dumpmem(self,begin,end):
231 print "%04x %04x" % (i, self.MSP430peek(i));