FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/dspapidump.c @ 407:19e5a3e2f9c0

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fcup-settime: moved time() retrieval a little closer to the output A fundamental problem with all simple time transfer tools is that there is always some delay between the time retrieval on the source system and that transmitted time being set on the destination, and the resulting time on the destination system is off by that delay amount. This delay cannot be fully eliminated when working in a simple environment like ours, but we should make our best effort to minimize it. In the present case, moving the atinterf_init() call before the time() retrieval should make a teensy-tiny improvement.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Aug 2018 21:52:17 +0000
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children
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1 /*
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2 * This utility uses ETM in synchronous mode to read and dump the contents
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3 * of the DSP API RAM in a target Calypso GSM device while the firmware is
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4 * running.
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5 */
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6
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7 #include <sys/types.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <string.h>
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11 #include <strings.h>
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12 #include <stdint.h>
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13 #include <endian.h>
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14 #include "exitcodes.h"
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16 #define APIF_ADDR 0xFFD00000
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17 #define API_SIZE_IN_WORDS 0x2000
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18
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19 single_op_main()
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20 {
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21 uint16_t buf[64], *linebase;
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22 unsigned off;
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23 int rc, i, j;
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24
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25 for (off = 0; off < API_SIZE_IN_WORDS; ) {
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26 rc = do_memory_read_16(APIF_ADDR + off * 2, buf, 0x40);
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27 if (rc)
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28 return(rc);
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29 for (i = 0; i < 8; i++) {
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30 printf("%04X:", off);
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31 linebase = buf + i * 8;
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32 for (j = 0; j < 8; j++)
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33 printf(" %04X", le16toh(linebase[j]));
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34 putchar('\n');
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35 off += 8;
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36 }
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37 }
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38 return(0);
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39 }