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avrdude
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Automatically verify on-chip data with what we just programmed. 

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@34 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Brian S. Dean 2001-01-15 04:18:39 +00:00
parent 33b01877a2
commit 853d738c3e
1 changed files with 123 additions and 20 deletions
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135
avrprog.c
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@ -1745,6 +1745,66 @@ int go_interactive ( int fd, struct avrpart * p )
int avr_initmem ( struct avrpart * p )
{
p->flash = (unsigned char *) malloc(p->flash_size);
if (p->flash == NULL) {
fprintf(stderr, "%s: can't alloc buffer for flash size of %d bytes\n",
progname, p->flash_size);
exit(1);
}
p->eeprom = (unsigned char *) malloc(p->eeprom_size);
if (p->eeprom == NULL) {
fprintf(stderr, "%s: can't alloc buffer for eeprom size of %d bytes\n",
progname, p->eeprom_size);
exit(1);
}
return 0;
}
int verify_data(struct avrpart * p, struct avrpart * v, AVRMEM memtype)
{
int i;
unsigned char * buf1, * buf2;
int size;
switch (memtype) {
case AVR_FLASH:
buf1 = p->flash;
buf2 = v->flash;
size = p->flash_size;
break;
case AVR_EEPROM:
buf1 = p->eeprom;
buf2 = v->eeprom;
size = p->eeprom_size;
break;
default:
fprintf(stderr, "%s: invalid memory type = %d for data verification\n",
progname, memtype);
return -1;
}
for (i=0; i<size; i++) {
if (buf1[i] != buf2[i]) {
fprintf(stderr,
"%s: verification error, first mismatch at byte %d\n"
"%s0x%02x != 0x%02x\n",
progname, i,
progbuf, buf1[i], buf2[i]);
return -1;
}
}
return 0;
}
/*
* main routine
*/
@ -1761,7 +1821,8 @@ int main ( int argc, char * argv [] )
char * p2; /* used to parse CVS Ed */
unsigned char sig[4]; /* AVR signature bytes */
unsigned char nulldev[4]; /* 0xff signature bytes for comparison */
struct avrpart * p; /* which avr part we are programming */
struct avrpart * p, ap1; /* which avr part we are programming */
struct avrpart * v, ap2; /* used for verify */
int readorwrite; /* true if a chip read/write op was selected */
/* options / operating mode variables */
@ -1775,6 +1836,7 @@ int main ( int argc, char * argv [] )
int interactive; /* 1=enter interactive command mode, 0=don't */
FILEFMT filefmt; /* FMT_AUTO, FMT_IHEX, FMT_SREC, FMT_RBIN */
int nowrite; /* don't actually write anything to the chip */
int verify; /* perform a verify operation */
readorwrite = 0;
parallel = DEFAULT_PARALLEL;
@ -1788,6 +1850,7 @@ int main ( int argc, char * argv [] )
interactive = 0;
filefmt = FMT_AUTO;
nowrite = 0;
verify = 1; /* on by default; XXX can't turn it off */
progname = rindex(argv[0],'/');
if (progname)
@ -1835,7 +1898,7 @@ int main ( int argc, char * argv [] )
/*
* process command line arguments
*/
while ((ch = getopt(argc,argv,"?cef:Fi:m:no:p:P:")) != -1) {
while ((ch = getopt(argc,argv,"?cef:Fi:m:no:p:P:v")) != -1) {
switch (ch) {
case 'm': /* select memory type to operate on */
@ -1945,6 +2008,10 @@ int main ( int argc, char * argv [] )
parallel = optarg;
break;
case 'v':
verify = 1;
break;
case '?': /* help */
usage();
exit(0);
@ -1969,6 +2036,20 @@ int main ( int argc, char * argv [] )
return 1;
}
/*
* set up seperate instances of the avr part, one for use in
* programming, one for use in verifying. These are separate
* because they need separate flash and eeprom buffer space
*/
ap1 = *p;
v = p;
p = &ap1;
ap2 = *v;
v = &ap2;
avr_initmem(p);
avr_initmem(v);
fprintf(stderr,
"%sAVR Part = %s\n"
"%sFlash memory size = %d bytes\n"
@ -1986,20 +2067,6 @@ int main ( int argc, char * argv [] )
progbuf, p->e_readback[0], p->e_readback[1]);
fprintf(stderr, "\n");
p->flash = (unsigned char *) malloc(p->flash_size);
if (p->flash == NULL) {
fprintf(stderr, "%s: can't alloc buffer for flash size of %d bytes\n",
progname, p->flash_size);
exit(1);
}
p->eeprom = (unsigned char *) malloc(p->eeprom_size);
if (p->eeprom == NULL) {
fprintf(stderr, "%s: can't alloc buffer for eeprom size of %d bytes\n",
progname, p->eeprom_size);
exit(1);
}
/*
* open the parallel port
*/
@ -2101,6 +2168,8 @@ int main ( int argc, char * argv [] )
goto main_exit;
}
fprintf(stderr, "%s: writing output file \"%s\"\n",
progname, outputf);
rc = fileio(FIO_WRITE, outputf, filefmt, p, memtype);
if (rc < 0) {
fprintf(stderr, "%s: terminating\n", progname);
@ -2114,6 +2183,8 @@ int main ( int argc, char * argv [] )
* write the selected device memory using data from a file; first
* read the data from the specified file
*/
fprintf(stderr, "%s: reading input file \"%s\"\n",
progname, inputf);
rc = fileio(FIO_READ, inputf, filefmt, p, memtype );
if (rc < 0) {
fprintf(stderr, "%s: terminating\n", progname);
@ -2145,8 +2216,40 @@ int main ( int argc, char * argv [] )
exitrc = 1;
goto main_exit;
}
}
if (!doread && verify) {
/*
* verify that the in memory file (p->flash or p->eeprom) is the
* same as what is on the chip
*/
fprintf(stderr, "%s: verifying %s memory against %s:\n",
progname, memtypestr(memtype), inputf);
fprintf(stderr, "%s: reading on-chip %s data:\n",
progname, memtypestr(memtype));
rc = avr_read ( fd, v, memtype );
if (rc) {
fprintf(stderr, "%s: failed to read all of %s memory, rc=%d\n",
progname, memtypestr(memtype), rc);
exitrc = 1;
goto main_exit;
}
fprintf(stderr, "%s: verifying\n", progname);
rc = verify_data(p, v, memtype);
if (rc) {
fprintf(stderr, "%s: verification error; content mismatch\n",
progname);
exitrc = 1;
goto main_exit;
}
fprintf(stderr, "%s: data verified\n", progname);
}
main_exit:
/*