Add input file format auto-detection support.
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@26 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Brian S. Dean
parent
0292bd8abe
commit
e6950275d9
133
avrprog.c
133
avrprog.c
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@ -64,6 +64,7 @@
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#include <sys/stat.h>
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#include </sys/dev/ppbus/ppi.h>
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#include <limits.h>
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#include <ctype.h>
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#define DEFAULT_PARALLEL "/dev/ppi0"
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@ -102,12 +103,12 @@ typedef enum {
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AVR_FLASH_HI
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} AVRMEM;
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enum {
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typedef enum {
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FMT_AUTO,
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FMT_SREC,
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FMT_IHEX,
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FMT_RBIN
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};
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} FILEFMT;
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struct avrpart {
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char * partdesc; /* long part name */
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@ -800,6 +801,18 @@ void usage ( void )
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}
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char * fmtstr ( FILEFMT format )
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{
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switch (format) {
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case FMT_AUTO : return "auto-detect"; break;
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case FMT_SREC : return "Motorola S-Record"; break;
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case FMT_IHEX : return "Intel Hex"; break;
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case FMT_RBIN : return "raw binary"; break;
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default : return "invalid format"; break;
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};
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}
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int b2ihex ( unsigned char * inbuf, int bufsize,
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int recsize, int startaddr,
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@ -971,7 +984,7 @@ int fileio_rbin ( struct fioparms * fio,
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"%s: %s error %s %s: %s; %s %d of the expected %d bytes\n",
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progname, fio->iodesc, fio->dir, filename, strerror(errno),
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fio->rw, rc, size);
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return -5;
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return -1;
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}
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return rc;
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@ -987,20 +1000,20 @@ int fileio_ihex ( struct fioparms * fio,
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case FIO_WRITE:
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rc = b2ihex(buf, size, 32, 0, filename, f);
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if (rc) {
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return -5;
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return -1;
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}
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break;
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case FIO_READ:
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rc = ihex2b(filename, f, buf, size);
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if (rc)
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return -5;
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return -1;
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break;
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default:
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fprintf(stderr, "%s: invalid Intex Hex file I/O operation=%d\n",
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progname, fio->op);
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return -5;
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return -1;
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break;
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}
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@ -1013,7 +1026,7 @@ int fileio_srec ( struct fioparms * fio,
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{
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fprintf(stderr, "%s: Motorola S-Record %s format not yet supported\n",
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progname, fio->iodesc);
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return -5;
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return -1;
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}
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@ -1047,7 +1060,72 @@ int fileio_setparms ( int op, struct fioparms * fp )
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}
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int fileio ( int op, char * filename, int format,
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int fmt_autodetect ( char * fname )
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{
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FILE * f;
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unsigned char buf[MAX_LINE_LEN];
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int i;
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int len;
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int found;
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f = fopen(fname, "r");
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if (f == NULL) {
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fprintf(stderr, "%s: error opening %s: %s\n",
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progname, fname, strerror(errno));
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return -1;
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}
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while (fgets((char *)buf, MAX_LINE_LEN, f)!=NULL) {
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buf[MAX_LINE_LEN-1] = 0;
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len = strlen((char *)buf);
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if (buf[len-1] == '\n')
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buf[--len] = 0;
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/* check for binary data */
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found = 0;
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for (i=0; i<len; i++) {
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if (buf[i] > 127) {
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found = 1;
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break;
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}
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}
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if (found)
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return FMT_RBIN;
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/* check for lines that look like intel hex */
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if ((buf[0] == ':') && (len >= 11)) {
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found = 1;
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for (i=1; i<len; i++) {
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if (!isxdigit(buf[1])) {
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found = 0;
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break;
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}
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}
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if (found)
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return FMT_IHEX;
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}
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/* check for lines that look like motorola s-record */
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if ((buf[0] == 'S') && (len >= 10) && isdigit(buf[1])) {
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found = 1;
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for (i=1; i<len; i++) {
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if (!isxdigit(buf[1])) {
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found = 0;
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break;
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}
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}
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if (found)
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return FMT_SREC;
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}
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}
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return -1;
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}
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int fileio ( int op, char * filename, FILEFMT format,
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struct avrpart * p, AVRMEM memtype )
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{
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int rc;
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@ -1078,7 +1156,7 @@ int fileio ( int op, char * filename, int format,
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if (f == NULL) {
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fprintf(stderr, "%s: can't open %s file %s: %s\n",
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progname, fio.iodesc, fname, strerror(errno));
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return -2;
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return -1;
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}
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}
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@ -1096,7 +1174,7 @@ int fileio ( int op, char * filename, int format,
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default:
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fprintf(stderr, "%s: invalid memory type for %s: %d\n",
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progname, fio.iodesc, memtype);
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return -3;
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return -1;
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}
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if (fio.op == FIO_READ) {
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@ -1106,6 +1184,19 @@ int fileio ( int op, char * filename, int format,
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}
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}
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if (format == FMT_AUTO) {
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format = fmt_autodetect(fname);
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if (format < 0) {
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fprintf(stderr,
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"%s: can't determine file format for %s, specify explicitly\n",
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progname, fname);
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return -1;
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}
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fprintf(stderr, "%s: %s file %s auto detected as %s\n\n",
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progname, fio.iodesc, fname, fmtstr(format));
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}
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switch (format) {
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case FMT_IHEX:
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rc = fileio_ihex(&fio, fname, f, buf, size);
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@ -1122,7 +1213,7 @@ int fileio ( int op, char * filename, int format,
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default:
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fprintf(stderr, "%s: invalid %s file format: %d\n",
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progname, fio.iodesc, format);
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return -4;
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return -1;
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}
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return rc;
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@ -1160,15 +1251,15 @@ int main ( int argc, char * argv [] )
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int readorwrite; /* true if a chip read/write op was selected */
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/* options / operating mode variables */
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int memtype; /* AVR_FLASH or AVR_EEPROM */
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int doread; /* 0=reading, 1=writing */
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int erase; /* 1=erase chip, 0=don't */
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char * outputf; /* output file name */
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char * inputf; /* input file name */
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int ovsigck; /* 1=override sig check, 0=don't */
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char * parallel; /* parallel port device */
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int interactive; /* 1=enter interactive command mode, 0=don't */
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int filefmt; /* FMT_AUTO, FMT_IHEX, FMT_SREC, FMT_RBIN */
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int memtype; /* AVR_FLASH or AVR_EEPROM */
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int doread; /* 0=reading, 1=writing */
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int erase; /* 1=erase chip, 0=don't */
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char * outputf; /* output file name */
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char * inputf; /* input file name */
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int ovsigck; /* 1=override sig check, 0=don't */
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char * parallel; /* parallel port device */
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int interactive; /* 1=enter interactive command mode, 0=don't */
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FILEFMT filefmt; /* FMT_AUTO, FMT_IHEX, FMT_SREC, FMT_RBIN */
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readorwrite = 0;
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parallel = DEFAULT_PARALLEL;
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@ -1517,7 +1608,7 @@ int main ( int argc, char * argv [] )
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* test mode, don't actually write to the chip, output the buffer
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* to stdout in intel hex instead
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*/
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fileio(FIO_WRITE, "-", FMT_IHEX, p, memtype);
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rc = fileio(FIO_WRITE, "-", FMT_IHEX, p, memtype);
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#endif
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if (rc) {
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fprintf ( stderr, "%s: failed to write flash memory, rc=%d\n",
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