FreeCalypso > hg > freecalypso-sw

annotate target-utils/libload/hexstrings.c @ 74:8138a6380ae3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
pirexplore: attempt to play with SPCA552E
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 27 Jul 2013 07:30:08 +0000
parents 9b4c5ce3db8b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
40
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 /*
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 * The decode_hex_digits() function contained in this module
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 * will be used by the XRAM and flash loading commands
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 * which take SREC-like long hex string arguments.
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 */
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 #include <ctype.h>
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 #include "types.h"
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 decode_hex_digits(str, ndigits, valp)
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 char *str;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 int ndigits;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 u32 *valp;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14 {
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 u32 accum;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 int i, c;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18 accum = 0;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19 for (i = 0; i < ndigits; i++) {
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20 c = *str++;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 if (!isxdigit(c))
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 return(-1);
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 accum <<= 4;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 if (isdigit(c))
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25 accum += c - '0';
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 else if (islower(c))
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 accum += c - 'a' + 10;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 else
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29 accum += c - 'A' + 10;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30 }
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 *valp = accum;
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32 return(0);
9b4c5ce3db8b loadagent: ML command (support for fc-chainload) implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 }