Verify for Chipcon flash.
[goodfet] / client / GoodFETCC.py
1 #!/usr/bin/env python
2 # GoodFET Client Library
3
4 # (C) 2009 Travis Goodspeed <travis at radiantmachines.com>
5 #
6 # This code is being rewritten and refactored.  You've been warned!
7
8 import sys;
9 import binascii;
10
11 from GoodFET import GoodFET;
12 from intelhex import IntelHex;
13
14 class GoodFETCC(GoodFET):
15     """A GoodFET variant for use with Chipcon 8051 Zigbeema SoC."""
16     def CChaltcpu(self):
17         """Halt the CPU."""
18         self.writecmd(0x30,0x86,0,self.data);
19     def CCreleasecpu(self):
20         """Resume the CPU."""
21         self.writecmd(0x30,0x87,0,self.data);
22     def CCtest(self):
23         self.CCreleasecpu();
24         self.CChaltcpu();
25         #print "Status: %s" % self.CCstatusstr();
26         
27         #Grab ident three times, should be equal.
28         ident1=self.CCident();
29         ident2=self.CCident();
30         ident3=self.CCident();
31         if(ident1!=ident2 or ident2!=ident3):
32             print "Error, repeated ident attempts unequal."
33             print "%04x, %04x, %04x" % (ident1, ident2, ident3);
34         
35         #Single step, printing PC.
36         print "Tracing execution at startup."
37         for i in range(1,15):
38             pc=self.CCgetPC();
39             byte=self.CCpeekcodebyte(i);
40             #print "PC=%04x, %02x" % (pc, byte);
41             self.CCstep_instr();
42         
43         print "Verifying that debugging a NOP doesn't affect the PC."
44         for i in range(1,15):
45             pc=self.CCgetPC();
46             self.CCdebuginstr([0x00]);
47             if(pc!=self.CCgetPC()):
48                 print "ERROR: PC changed during CCdebuginstr([NOP])!";
49         
50         print "Checking pokes to XRAM."
51         for i in range(0xf000,0xf020):
52             self.CCpokedatabyte(i,0xde);
53             if(self.CCpeekdatabyte(i)!=0xde):
54                 print "Error in XDATA at 0x%04x" % i;
55         
56         #print "Status: %s." % self.CCstatusstr();
57         #Exit debugger
58         self.stop();
59         print "Done.";
60
61     def setup(self):
62         """Move the FET into the CC2430/CC2530 application."""
63         #print "Initializing Chipcon.";
64         self.writecmd(0x30,0x10,0,self.data);
65     def CCrd_config(self):
66         """Read the config register of a Chipcon."""
67         self.writecmd(0x30,0x82,0,self.data);
68         return ord(self.data[0]);
69     def CCwr_config(self,config):
70         """Write the config register of a Chipcon."""
71         self.writecmd(0x30,0x81,1,[config&0xFF]);
72     def CClockchip(self):
73         """Set the flash lock bit in info mem."""
74         self.writecmd(0x30, 0x9A, 0, None);
75     
76
77     CCversions={0x0100:"CC1110",
78                 0x8500:"CC2430",
79                 0x8900:"CC2431",
80                 0x8100:"CC2510",
81                 0x9100:"CC2511",
82                 0xA500:"CC2530", #page 52 of SWRU191
83                 0xB500:"CC2531",
84                 0xFF00:"CCmissing"};
85     def CCidentstr(self):
86         ident=self.CCident();
87         chip=self.CCversions.get(ident&0xFF00);
88         return "%s/r%02x" % (chip, ident&0xFF); 
89     def CCident(self):
90         """Get a chipcon's ID."""
91         self.writecmd(0x30,0x8B,0,None);
92         chip=ord(self.data[0]);
93         rev=ord(self.data[1]);
94         return (chip<<8)+rev;
95     def CCgetPC(self):
96         """Get a chipcon's PC."""
97         self.writecmd(0x30,0x83,0,None);
98         hi=ord(self.data[0]);
99         lo=ord(self.data[1]);
100         return (hi<<8)+lo;
101     def CCcmd(self,phrase):
102         self.writecmd(0x30,0x00,len(phrase),phrase);
103         val=ord(self.data[0]);
104         print "Got %02x" % val;
105         return val;
106     def CCdebuginstr(self,instr):
107         self.writecmd(0x30,0x88,len(instr),instr);
108         return ord(self.data[0]);
109     def CCpeekcodebyte(self,adr):
110         """Read the contents of code memory at an address."""
111         self.data=[adr&0xff, (adr&0xff00)>>8];
112         self.writecmd(0x30,0x90,2,self.data);
113         return ord(self.data[0]);
114     def CCpeekdatabyte(self,adr):
115         """Read the contents of data memory at an address."""
116         self.data=[adr&0xff, (adr&0xff00)>>8];
117         self.writecmd(0x30,0x91, 2, self.data);
118         return ord(self.data[0]);
119     def CCpeekirambyte(self,adr):
120         """Read the contents of IRAM at an address."""
121         self.data=[adr&0xff];
122         self.writecmd(0x30,0x02, 1, self.data);
123         return ord(self.data[0]);
124     def CCpeekiramword(self,adr):
125         """Read the little-endian contents of IRAM at an address."""
126         return self.CCpeekirambyte(adr)+(
127             self.CCpeekirambyte(adr+1)<<8);
128     def CCpokeiramword(self,adr,val):
129         self.CCpokeirambyte(adr,val&0xff);
130         self.CCpokeirambyte(adr+1,(val>>8)&0xff);
131     def CCpokeirambyte(self,adr,val):
132         """Write the contents of IRAM at an address."""
133         self.data=[adr&0xff, val&0xff];
134         self.writecmd(0x30,0x02, 2, self.data);
135         return ord(self.data[0]);
136     
137     def CCpokedatabyte(self,adr,val):
138         """Write a byte to data memory."""
139         self.data=[adr&0xff, (adr&0xff00)>>8, val];
140         self.writecmd(0x30, 0x92, 3, self.data);
141         return ord(self.data[0]);
142     def CCchiperase(self):
143         """Erase all of the target's memory."""
144         self.writecmd(0x30,0x80,0,None);
145     def CCstatus(self):
146         """Check the status."""
147         self.writecmd(0x30,0x84,0,None);
148         return ord(self.data[0])
149     #Same as CC2530
150     CCstatusbits={0x80 : "erase_busy",
151                   0x40 : "pcon_idle",
152                   0x20 : "cpu_halted",
153                   0x10 : "pm0",
154                   0x08 : "halt_status",
155                   0x04 : "locked",
156                   0x02 : "oscstable",
157                   0x01 : "overflow"
158                   };
159     CCconfigbits={0x20 : "soft_power_mode",   #new for CC2530
160                   0x08 : "timers_off",
161                   0x04 : "dma_pause",
162                   0x02 : "timer_suspend",
163                   0x01 : "sel_flash_info_page" #stricken from CC2530
164                   };
165                   
166     def CCstatusstr(self):
167         """Check the status as a string."""
168         status=self.CCstatus();
169         str="";
170         i=1;
171         while i<0x100:
172             if(status&i):
173                 str="%s %s" %(self.CCstatusbits[i],str);
174             i*=2;
175         return str;
176     def start(self):
177         """Start debugging."""
178         self.writecmd(0x30,0x20,0,self.data);
179         ident=self.CCidentstr();
180         print "Target identifies as %s." % ident;
181         #print "Status: %s." % self.CCstatusstr();
182         self.CCreleasecpu();
183         self.CChaltcpu();
184         #print "Status: %s." % self.CCstatusstr();
185         
186     def stop(self):
187         """Stop debugging."""
188         self.writecmd(0x30,0x21,0,self.data);
189     def CCstep_instr(self):
190         """Step one instruction."""
191         self.writecmd(0x30,0x89,0,self.data);
192     def CCeraseflashbuffer(self):
193         """Erase the 2kB flash buffer"""
194         self.writecmd(0x30,0x99);
195     def CCflashpage(self,adr):
196         """Flash 2kB a page of flash from 0xF000 in XDATA"""
197         data=[adr&0xFF,
198               (adr>>8)&0xFF,
199               (adr>>16)&0xFF,
200               (adr>>24)&0xFF];
201         print "Flashing buffer to 0x%06x" % adr;
202         self.writecmd(0x30,0x95,4,data);