Add the "dump" and "write" interactive commands.

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@30 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
bsd 2001-01-14 21:11:18 +00:00
parent f6d99aed59
commit 6c4cfd26a7
1 changed files with 519 additions and 16 deletions

535
avrprog.c
View File

@ -71,6 +71,9 @@
char * version = "$Id$";
char * progname;
char progbuf[PATH_MAX]; /* temporary buffer of spaces the same
length as progname; used for lining up
multiline messages */
/*
@ -153,6 +156,26 @@ enum {
};
int cmd_dump(int fd, struct avrpart * p, int argc, char *argv[]);
int cmd_write(int fd, struct avrpart * p, int argc, char *argv[]);
int cmd_quit(int fd, struct avrpart * p, int argc, char *argv[]);
struct command {
char * name;
int (*func)(int fd, struct avrpart * p, int argc, char *argv[]);
};
struct command cmd[] = {
{ "dump", cmd_dump },
{ "write", cmd_write },
{ "quit", cmd_quit }
};
#define NCMDS (sizeof(cmd)/sizeof(struct command))
#define MAX_LINE_LEN 256 /* max line length for ASCII format input files */
@ -1235,6 +1258,482 @@ char * memtypestr ( AVRMEM memtype )
}
int nexttok ( char * buf, char ** tok, char ** next )
{
char * q, * n;
q = buf;
while (isspace(*q))
q++;
/* isolate first token */
n = q+1;
while (*n && !isspace(*n))
n++;
if (*n) {
*n = 0;
n++;
}
/* find start of next token */
while (isspace(*n))
n++;
*tok = q;
*next = n;
return 0;
}
int hexdump_line ( char * buffer, unsigned char * p, int n, int pad )
{
char * hexdata = "0123456789abcdef";
char * b;
int i, j;
b = buffer;
j = 0;
for (i=0; i<n; i++) {
if (i && ((i % 8) == 0))
b[j++] = ' ';
b[j++] = hexdata[(p[i] & 0xf0) >> 4];
b[j++] = hexdata[(p[i] & 0x0f)];
if (i < 15)
b[j++] = ' ';
}
for (i=j; i<pad; i++)
b[i] = ' ';
b[i] = 0;
for (i=0; i<pad; i++) {
if (!((b[i] == '0') || (b[i] == ' ')))
return 0;
}
return 1;
}
int chardump_line ( char * buffer, unsigned char * p, int n, int pad )
{
int i;
char b [ 128 ];
for (i=0; i<n; i++) {
memcpy ( b, p, n );
buffer[i] = '.';
if (isalpha(b[i]) || isdigit(b[i]) || ispunct(b[i]))
buffer[i] = b[i];
else if (isspace(b[i]))
buffer[i] = ' ';
}
for (i=n; i<pad; i++)
buffer[i] = ' ';
buffer[i] = 0;
return 0;
}
int hexdump_buf ( FILE * f, int startaddr, char * buf, int len )
{
int addr;
int i, n;
unsigned char * p;
char dst1[80];
char dst2[80];
addr = startaddr;
i = 0;
p = (unsigned char *)buf;
while (len) {
n = 16;
if (n > len)
n = len;
hexdump_line(dst1, p, n, 48);
chardump_line(dst2, p, n, 16);
fprintf(stdout, "%04x %s |%s|\n", addr, dst1, dst2);
len -= n;
addr += n;
p += n;
}
return 0;
}
int cmd_dump ( int fd, struct avrpart * p, int argc, char * argv[] )
{
char * e;
int i, j;
int len, maxsize;
AVRMEM memtype;
unsigned short addr, daddr;
char * buf;
if (argc != 4) {
fprintf(stderr, "Usage: dump flash|eeprom <addr> <len>\n");
return -1;
}
if (strcmp(argv[1],"flash")==0) {
memtype = AVR_FLASH;
maxsize = p->flash_size;
}
else if (strcmp(argv[1],"eeprom")==0) {
memtype = AVR_EEPROM;
maxsize = p->eeprom_size;
}
else {
fprintf(stderr, "%s (dump): invalid memory type \"%s\"\n",
progname, argv[1]);
return -1;
}
addr = strtoul(argv[2], &e, 0);
if (*e || (e == argv[2])) {
fprintf(stderr, "%s (dump): can't parse address \"%s\"\n",
progname, argv[2]);
return -1;
}
len = strtol(argv[3], &e, 0);
if (*e || (e == argv[3])) {
fprintf(stderr, "%s (dump): can't parse length \"%s\"\n",
progname, argv[3]);
return -1;
}
if (addr > maxsize) {
fprintf(stderr,
"%s (dump): address 0x%04x is out of range for %s memory\n",
progname, addr, memtypestr(memtype));
return -1;
}
if ((addr + len) > maxsize) {
fprintf(stderr,
"%s (dump): selected address and length exceed "
"range for %s memory\n",
progname, memtypestr(memtype));
return -1;
}
buf = malloc(len);
if (buf == NULL) {
fprintf(stderr, "%s (dump): out of memory\n", progname);
return -1;
}
j = 0;
daddr = addr;
if (memtype == AVR_FLASH) {
daddr = addr / 2;
if (addr & 0x01) {
buf[j++] = avr_read_byte( fd, p, AVR_FLASH_HI, daddr);
daddr++;
}
}
i = daddr;
while (j < len) {
if (memtype == AVR_FLASH) {
buf[j++] = avr_read_byte( fd, p, AVR_FLASH_LO, i);
if (j < len) {
buf[j++] = avr_read_byte( fd, p, AVR_FLASH_HI, i);
}
}
else {
buf[j++] = avr_read_byte( fd, p, AVR_EEPROM, i);
}
i++;
}
hexdump_buf(stdout, addr, buf, len);
fprintf(stdout, "\n");
free(buf);
return 0;
}
int cmd_write ( int fd, struct avrpart * p, int argc, char * argv[] )
{
char * e;
int i, j;
int len, maxsize;
AVRMEM memtype;
unsigned short addr, daddr;
char * buf;
int rc;
if (argc < 4) {
fprintf(stderr,
"Usage: write flash|eeprom <addr> <byte1> <byte2> ... byteN>\n");
return -1;
}
if (strcmp(argv[1],"flash")==0) {
memtype = AVR_FLASH;
maxsize = p->flash_size;
}
else if (strcmp(argv[1],"eeprom")==0) {
memtype = AVR_EEPROM;
maxsize = p->eeprom_size;
}
else {
fprintf(stderr, "%s (write): invalid memory type \"%s\"\n",
progname, argv[1]);
return -1;
}
addr = strtoul(argv[2], &e, 0);
if (*e || (e == argv[2])) {
fprintf(stderr, "%s (write): can't parse address \"%s\"\n",
progname, argv[2]);
return -1;
}
if (addr > maxsize) {
fprintf(stderr,
"%s (write): address 0x%04x is out of range for %s memory\n",
progname, addr, memtypestr(memtype));
return -1;
}
/* number of bytes to write at the specified address */
len = argc - 3;
if ((addr + len) > maxsize) {
fprintf(stderr,
"%s (write): selected address and # bytes exceed "
"range for %s memory\n",
progname, memtypestr(memtype));
return -1;
}
buf = malloc(len);
if (buf == NULL) {
fprintf(stderr, "%s (write): out of memory\n", progname);
return -1;
}
for (i=3; i<argc; i++) {
buf[i-3] = strtoul(argv[i], &e, 0);
if (*e || (e == argv[i])) {
fprintf(stderr, "%s (write): can't parse byte \"%s\"\n",
progname, argv[i]);
return -1;
}
}
j = 0;
daddr = addr;
if (memtype == AVR_FLASH) {
daddr = addr / 2;
if (addr & 0x01) {
/* handle odd numbered memory locations in the flash area */
rc = avr_write_byte(fd, p, AVR_FLASH_HI, daddr, buf[j++]);
if (rc) {
fprintf(stderr, "%s (write): error writing 0x%02x at 0x%04x\n",
progname, buf[j-1], daddr*2+1);
}
daddr++;
}
}
i = daddr;
while (j < len) {
if (memtype == AVR_FLASH) {
rc = avr_write_byte( fd, p, AVR_FLASH_LO, i, buf[j++]);
if (rc) {
fprintf(stderr, "%s (write): error writing 0x%02x at 0x%04x\n",
progname, buf[j-1], i*2);
}
if (j < len) {
rc = avr_write_byte( fd, p, AVR_FLASH_HI, i, buf[j++]);
if (rc) {
fprintf(stderr, "%s (write): error writing 0x%02x at 0x%04x\n",
progname, buf[j-1], i*2+1);
}
}
}
else {
rc = avr_write_byte( fd, p, AVR_EEPROM, i, buf[j++]);
if (rc) {
fprintf(stderr, "%s (write): error writing 0x%02x at 0x%04x\n",
progname, buf[j-1], i);
}
}
i++;
}
fprintf(stdout, "\n");
return 0;
}
int cmd_quit ( int fd, struct avrpart * p, int argc, char * argv[] )
{
return 1;
}
int tokenize ( char * s, char *** argv )
{
int i, n, l, nargs, offset;
int len, slen;
char * buf;
int bufsize;
char ** bufv;
char * q, * r;
char * nbuf;
char ** av;
slen = strlen(s);
/*
* initialize allow for 20 arguments, use realloc to grow this if
* necessary
*/
nargs = 20;
bufsize = slen + 20;
buf = malloc(bufsize);
bufv = (char **) malloc(nargs*sizeof(char *));
for (i=0; i<nargs; i++) {
bufv[i] = NULL;
}
buf[0] = 0;
n = 0;
l = 0;
nbuf = buf;
r = s;
while (*r) {
nexttok(r, &q, &r);
strcpy(nbuf, q);
bufv[n] = nbuf;
len = strlen(q);
l += len + 1;
nbuf += len + 1;
nbuf[0] = 0;
n++;
if ((n % 20) == 0) {
/* realloc space for another 20 args */
bufsize += 20;
nargs += 20;
buf = realloc(buf, bufsize);
bufv = realloc(bufv, nargs*sizeof(char *));
nbuf = &buf[l];
for (i=n; i<nargs; i++)
bufv[i] = NULL;
}
}
/*
* We have parsed all the args, n == argc, bufv contains an array of
* pointers to each arg, and buf points to one memory block that
* contains all the args, back to back, seperated by a nul
* terminator. Consilidate bufv and buf into one big memory block
* so that the code that calls us, will have an easy job of freeing
* this memory.
*/
av = (char **) malloc(slen + n + (n+1)*sizeof(char *));
q = (char *)&av[n+1];
memcpy(q, buf, l);
for (i=0; i<n; i++) {
offset = bufv[i] - buf;
av[i] = q + offset;
}
av[i] = NULL;
free(buf);
free(bufv);
*argv = av;
return n;
}
int do_cmd ( int fd, struct avrpart * p, int argc, char * argv[] )
{
int i;
for (i=0; i<NCMDS; i++) {
if (strcasecmp(argv[0], cmd[i].name) == 0) {
return cmd[i].func(fd, p, argc, argv);
}
}
fprintf(stderr, "%s: invalid command \"%s\"\n",
progname, argv[0]);
return -1;
}
int go_interactive ( int fd, struct avrpart * p )
{
char cmdbuf[MAX_LINE_LEN];
int i, len;
char * q;
int rc;
int argc;
char ** argv;
fprintf(stdout, "avrprog> ");
while (fgets(cmdbuf, MAX_LINE_LEN, stdin) != NULL) {
len = strlen(cmdbuf);
if (cmdbuf[len-1] == '\n')
cmdbuf[--len] = 0;
/*
* find the start of the command, skipping any white space
*/
q = cmdbuf;
while (*q && isspace(*q))
q++;
/* skip blank lines and comments */
if (!*q || (*q == '#'))
continue;
/* tokenize command line */
argc = tokenize(q, &argv);
fprintf(stdout, ">>> ");
for (i=0; i<argc; i++)
fprintf(stdout, "%s ", argv[i]);
fprintf(stdout, "\n");
#if 1
/* run the command */
rc = do_cmd(fd, p, argc, argv);
free(argv);
if (rc > 0) {
rc = 0;
break;
}
#endif
fprintf(stdout, "avrprog> ");
}
return rc;
}
/*
* main routine
*/
@ -1247,7 +1746,6 @@ int main ( int argc, char * argv [] )
int ch; /* options flag */
int size; /* size of memory region */
int len; /* length for various strings */
char pbuf[PATH_MAX]; /* temporary buffer */
char * p1; /* used to parse CVS Id */
char * p2; /* used to parse CVS Ed */
unsigned char sig[4]; /* AVR signature bytes */
@ -1286,8 +1784,8 @@ int main ( int argc, char * argv [] )
len = strlen(progname) + 2;
for (i=0; i<len; i++)
pbuf[i] = ' ';
pbuf[i] = 0;
progbuf[i] = ' ';
progbuf[i] = 0;
/*
* Print out an identifying string so folks can tell what version
@ -1307,7 +1805,7 @@ int main ( int argc, char * argv [] )
fprintf(stderr, "\n");
fprintf(stderr, "%s: Copyright 2000 Brian Dean, bsd@bsdhome.com\n"
"%sRevision ", progname, pbuf);
"%sRevision ", progname, progbuf);
for (i=0; i<p2-p1; i++)
fprintf(stderr, "%c", p1[i]);
fprintf(stderr, "\n\n");
@ -1462,13 +1960,13 @@ int main ( int argc, char * argv [] )
"%sChip Erase delay = %d us\n"
"%sFlash Polled Readback = 0x%02x\n"
"%sEEPROM Polled Readback = 0x%02x, 0x%02x\n",
pbuf, p->partdesc,
pbuf, p->flash_size,
pbuf, p->eeprom_size,
pbuf, p->min_write_delay, p->max_write_delay,
pbuf, p->chip_erase_delay,
pbuf, p->f_readback,
pbuf, p->e_readback[0], p->e_readback[1]);
progbuf, p->partdesc,
progbuf, p->flash_size,
progbuf, p->eeprom_size,
progbuf, p->min_write_delay, p->max_write_delay,
progbuf, p->chip_erase_delay,
progbuf, p->f_readback,
progbuf, p->e_readback[0], p->e_readback[1]);
fprintf(stderr, "\n");
p->flash = (unsigned char *) malloc(p->flash_size);
@ -1532,7 +2030,7 @@ int main ( int argc, char * argv [] )
fprintf(stderr,
"%sDouble check connections and try again, or use -F to override\n"
"%sthis check.\n\n",
pbuf, pbuf );
progbuf, progbuf );
exit(1);
}
}
@ -1551,7 +2049,7 @@ int main ( int argc, char * argv [] )
}
if ((inputf==NULL) && (outputf==NULL)) {
if (!interactive && ((inputf==NULL) && (outputf==NULL))) {
/*
* Check here to see if any other operations were selected and
* generate an error message because if they were, we need either
@ -1566,8 +2064,13 @@ int main ( int argc, char * argv [] )
goto main_exit;
}
if (doread) {
if (interactive) {
/*
* interactive command mode
*/
exitrc = go_interactive(fd, p);
}
else if (doread) {
/*
* read out the specified device memory and write it to a file
*/
@ -1636,7 +2139,7 @@ int main ( int argc, char * argv [] )
close(fd);
fprintf(stderr, "\n" );
fprintf(stderr, "\n%s done. Thank you.\n\n", progname);
return exitrc;
}