FreeCalypso > hg > freecalypso-tools

annotate target-utils/libload/hexstrings.c @ 505:7bf0d909c87e

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fc-loadtool flash ID check: change of reset after the check logic This change only affects those flash configurations that have ID checks enabled. The logic for resetting the flash after the ID check has been changed as follows: 1) If the check fails, we return without attempting to reset the flash. 2) If the check is successful, we reset the flash using the configured method (could be AMD or Intel or Intel W30) instead of always doing an AMD flash reset as the original code did.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 27 May 2019 19:58:01 +0000
parents e7502631a0f9
children
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1 /*
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2 * The decode_hex_digits() function contained in this module
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3 * will be used by the XRAM and flash loading commands
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4 * which take SREC-like long hex string arguments.
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5 */
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6
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7 #include <ctype.h>
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8 #include "types.h"
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9
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10 decode_hex_digits(str, ndigits, valp)
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11 char *str;
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12 int ndigits;
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13 u32 *valp;
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14 {
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15 u32 accum;
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16 int i, c;
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17
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18 accum = 0;
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19 for (i = 0; i < ndigits; i++) {
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20 c = *str++;
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21 if (!isxdigit(c))
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22 return(-1);
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23 accum <<= 4;
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24 if (isdigit(c))
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25 accum += c - '0';
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26 else if (islower(c))
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27 accum += c - 'a' + 10;
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28 else
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29 accum += c - 'A' + 10;
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30 }
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31 *valp = accum;
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32 return(0);
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33 }