Add Motorola S-record support.
Submitted by: "Alexey V.Levdikov" <tsar@kemford.com> git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@200 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Brian S. Dean
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@ -441,4 +441,4 @@ This man page by
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.ie t J\(:org Wunsch.
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.el Joerg Wunsch.
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.Sh BUGS
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Motorola S-record files are not yet implemented.
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Please report bugs to avrdude-dev@nongnu.org.
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381
avrdude/fileio.c
381
avrdude/fileio.c
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@ -39,7 +39,7 @@
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struct ihexrec {
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unsigned char reclen;
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unsigned short loadofs;
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unsigned int loadofs;
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unsigned char rectyp;
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unsigned char data[IHEX_MAXDATA];
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unsigned char cksum;
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@ -56,6 +56,17 @@ int b2ihex(unsigned char * inbuf, int bufsize,
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int ihex2b(char * infile, FILE * inf,
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unsigned char * outbuf, int bufsize);
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int b2srec(unsigned char * inbuf, int bufsize,
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int recsize, int startaddr,
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char * outfile, FILE * outf);
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int srec2b(char * infile, FILE * inf,
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unsigned char * outbuf, int bufsize);
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int ihex_readrec(struct ihexrec * ihex, char * rec);
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int srec_readrec(struct ihexrec * srec, char * rec);
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int fileio_rbin(struct fioparms * fio,
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char * filename, FILE * f, unsigned char * buf, int size);
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@ -344,6 +355,348 @@ int ihex2b(char * infile, FILE * inf,
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}
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int b2srec(unsigned char * inbuf, int bufsize,
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int recsize, int startaddr,
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char * outfile, FILE * outf)
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{
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unsigned char * buf;
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unsigned int nextaddr, stopaddr;
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int n, nbytes, addr_width;
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int i;
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unsigned char cksum;
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unsigned char startf, stopf ,emptyf;
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char * tmpl=0;
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if (recsize > 255) {
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fprintf(stderr, "%s: ERROR: recsize=%d, must be < 256\n",
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progname, recsize);
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return -1;
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}
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buf = inbuf;
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nextaddr = 0;
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stopaddr = 0;
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startf = 0;
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stopf = 0;
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/* search for ranges of 'real' data */
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for (i=startaddr; i<bufsize; i++) {
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if (buf[i] == 0xff) {
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if (startf == 0)
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continue;
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else if (stopf == 0) {
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stopf = 1;
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stopaddr = i;
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}
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}
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else {
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if (startf == 0) {
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startf = 1;
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nextaddr = i;
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while (nextaddr % recsize != 0)
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nextaddr --;
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}
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else if (stopf == 1) {
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stopf = 0;
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stopaddr = bufsize;
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}
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}
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}
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nbytes = i;
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bufsize = stopaddr - nextaddr;
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addr_width = 0;
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while (bufsize) {
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n = recsize;
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if (n > bufsize)
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n = bufsize;
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if (n) {
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cksum = 0;
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if (nextaddr + n <= 0xffff) {
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addr_width = 2;
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tmpl="S1%02X%04X";
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}
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else if (nextaddr + n <= 0xffffff) {
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addr_width = 3;
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tmpl="S2%02X%06X";
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}
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else if (nextaddr + n <= 0xffffffff) {
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addr_width = 4;
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tmpl="S3%02X%08X";
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}
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else {
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fprintf(stderr, "%s: ERROR: address=%d, out of range\n",
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progname, nextaddr);
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return -1;
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}
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/* skip the lines filled with 0xff */
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emptyf = 1;
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for (i=nextaddr; i<nextaddr + n; i++) {
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if (buf[i] != 0xff) {
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emptyf=0;
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break;
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}
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}
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if (emptyf != 1) {
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fprintf(outf, tmpl, n + addr_width + 1, nextaddr);
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cksum += n + addr_width + 1;
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for (i=addr_width; i>0; i--)
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cksum += (nextaddr >> (i-1) * 8) & 0xff;
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for (i=nextaddr; i<nextaddr + n; i++) {
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fprintf(outf, "%02X", buf[i]);
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cksum += buf[i];
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}
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cksum = 0xff - cksum;
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fprintf(outf, "%02X\n", cksum);
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}
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nextaddr += n;
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}
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/* advance to next 'recsize' bytes */
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bufsize -= n;
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}
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/*-----------------------------------------------------------------
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add the end of record data line
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-----------------------------------------------------------------*/
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cksum = 0;
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n = 0;
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nextaddr = 0;
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if (startaddr <= 0xffff) {
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addr_width = 2;
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tmpl="S9%02X%04X";
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}
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else if (startaddr <= 0xffffff) {
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addr_width = 3;
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tmpl="S9%02X%06X";
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}
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else if (startaddr <= 0xffffffff) {
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addr_width = 4;
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tmpl="S9%02X%08X";
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}
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fprintf(outf, tmpl, n + addr_width + 1, nextaddr);
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cksum += n + addr_width +1;
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for (i=addr_width; i>0; i--)
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cksum += (nextaddr >> (i - 1) * 8) & 0xff;
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cksum = 0xff - cksum;
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fprintf(outf, "%02X\n", cksum);
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return nbytes;
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}
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int srec_readrec(struct ihexrec * srec, char * rec)
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{
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int i, j;
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char buf[8];
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int offset, len, addr_width;
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char * e;
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unsigned char cksum;
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int rc;
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len = strlen(rec);
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offset = 1;
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cksum = 0;
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addr_width = 2;
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/* record type */
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if (offset + 1 > len)
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return -1;
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srec->rectyp = rec[offset++];
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if (srec->rectyp == 0x32 || srec->rectyp == 0x38)
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addr_width = 3; /* S2,S8-record */
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else if (srec->rectyp == 0x33 || srec->rectyp == 0x37)
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addr_width = 4; /* S3,S7-record */
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/* reclen */
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if (offset + 2 > len)
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return -1;
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for (i=0; i<2; i++)
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buf[i] = rec[offset++];
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buf[i] = 0;
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srec->reclen = strtoul(buf, &e, 16);
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cksum += srec->reclen;
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srec->reclen -= (addr_width+1);
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if (e == buf || *e != 0)
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return -1;
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/* load offset */
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if (offset + addr_width > len)
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return -1;
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for (i=0; i<addr_width*2; i++)
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buf[i] = rec[offset++];
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buf[i] = 0;
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srec->loadofs = strtoull(buf, &e, 16);
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if (e == buf || *e != 0)
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return -1;
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for (i=addr_width; i>0; i--)
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cksum += (srec->loadofs >> (i - 1) * 8) & 0xff;
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/* data */
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for (j=0; j<srec->reclen; j++) {
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if (offset+2 > len)
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return -1;
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for (i=0; i<2; i++)
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buf[i] = rec[offset++];
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buf[i] = 0;
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srec->data[j] = strtoul(buf, &e, 16);
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if (e == buf || *e != 0)
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return -1;
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cksum += srec->data[j];
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}
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/* cksum */
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if (offset + 2 > len)
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return -1;
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for (i=0; i<2; i++)
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buf[i] = rec[offset++];
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buf[i] = 0;
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srec->cksum = strtoul(buf, &e, 16);
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if (e == buf || *e != 0)
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return -1;
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rc = 0xff - cksum;
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return rc;
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}
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int srec2b(char * infile, FILE * inf,
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unsigned char * outbuf, int bufsize)
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{
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char buffer [ MAX_LINE_LEN ];
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unsigned char * buf;
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unsigned int nextaddr, baseaddr, maxaddr;
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int i;
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int lineno;
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int len;
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struct ihexrec srec;
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int rc;
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int reccount;
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unsigned char datarec;
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char * msg = 0;
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lineno = 0;
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buf = outbuf;
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baseaddr = 0;
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maxaddr = 0;
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reccount = 0;
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while (fgets((char *)buffer,MAX_LINE_LEN,inf)!=NULL) {
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lineno++;
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len = strlen(buffer);
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if (buffer[len-1] == '\n')
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buffer[--len] = 0;
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if (buffer[0] != 0x53)
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continue;
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rc = srec_readrec(&srec, buffer);
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if (rc < 0) {
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fprintf(stderr, "%s: ERROR: invalid record at line %d of \"%s\"\n",
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progname, lineno, infile);
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return -1;
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}
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else if (rc != srec.cksum) {
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fprintf(stderr, "%s: ERROR: checksum mismatch at line %d of \"%s\"\n",
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progname, lineno, infile);
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fprintf(stderr, "%s: checksum=0x%02x, computed checksum=0x%02x\n",
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progname, srec.cksum, rc);
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return -1;
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}
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datarec=0;
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switch (srec.rectyp) {
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case 0x30: /* S0 - header record*/
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/* skip */
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break;
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case 0x31: /* S1 - 16 bit address data record */
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datarec=1;
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msg="%s: ERROR: address 0x%04x out of range at line %d of %s\n";
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break;
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case 0x32: /* S2 - 24 bit address data record */
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datarec=1;
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msg="%s: ERROR: address 0x%06x out of range at line %d of %s\n";
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break;
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case 0x33: /* S3 - 32 bit address data record */
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datarec=1;
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msg="%s: ERROR: address 0x%08x out of range at line %d of %s\n";
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break;
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case 0x34: /* S4 - symbol record (LSI extension) */
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fprintf(stderr,
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"%s: ERROR: not supported record at line %d of %s\n",
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progname, lineno, infile);
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return -1;
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case 0x35: /* S5 - count of S1,S2 and S3 records previously tx'd */
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if (srec.loadofs != reccount){
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fprintf(stderr,
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"%s: ERROR: count of transmitted data records mismatch "
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"at line %d of \"%s\"\n",
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progname, lineno, infile);
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fprintf(stderr, "%s: transmitted data records= %d, expected "
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"value= %d\n",
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progname, reccount, srec.loadofs);
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return -1;
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}
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break;
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case 0x37: /* S7 Record - end record for 32 bit address data */
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case 0x38: /* S8 Record - end record for 24 bit address data */
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case 0x39: /* S9 Record - end record for 16 bit address data */
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return maxaddr;
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default:
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fprintf(stderr,
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"%s: ERROR: don't know how to deal with rectype S%d "
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"at line %d of %s\n",
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progname, srec.rectyp, lineno, infile);
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return -1;
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}
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if (datarec == 1) {
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nextaddr = srec.loadofs + baseaddr;
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if (nextaddr + srec.reclen > bufsize) {
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fprintf(stderr, msg, progname, nextaddr+srec.reclen, lineno, infile);
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return -1;
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}
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for (i=0; i<srec.reclen; i++)
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buf[nextaddr+i] = srec.data[i];
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if (nextaddr+srec.reclen > maxaddr)
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maxaddr = nextaddr+srec.reclen;
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reccount++;
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}
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}
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fprintf(stderr,
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"%s: WARNING: no end of file record found for Motorola S-Records "
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"file \"%s\"\n",
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progname, infile);
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return maxaddr;
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}
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int fileio_rbin(struct fioparms * fio,
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char * filename, FILE * f, unsigned char * buf, int size)
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@ -408,10 +761,32 @@ int fileio_ihex(struct fioparms * fio,
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int fileio_srec(struct fioparms * fio,
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char * filename, FILE * f, unsigned char * buf, int size)
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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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int rc;
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switch (fio->op) {
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case FIO_WRITE:
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rc = b2srec(buf, size, 32, 0, filename, f);
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if (rc < 0) {
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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 = srec2b(filename, f, buf, size);
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if (rc < 0)
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return -1;
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break;
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default:
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fprintf(stderr, "%s: ERROR: invalid Motorola S-Records file I/O "
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"operation=%d\n",
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progname, fio->op);
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return -1;
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break;
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}
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return rc;
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}
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int fileio_setparms(int op, struct fioparms * fp)
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@ -457,11 +457,7 @@ int main(int argc, char * argv [])
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case 'a' : filefmt = FMT_AUTO; break;
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case 'i' : filefmt = FMT_IHEX; break;
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case 'r' : filefmt = FMT_RBIN; break;
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case 's' :
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fprintf(stderr,
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"%s: Motorola S-Record format not yet supported\n\n",
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progname);
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exit(1);
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case 's' : filefmt = FMT_SREC; break;
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break;
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default :
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fprintf(stderr, "%s: invalid file format \"%s\"\n\n",
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