FreeCalypso > hg > freecalypso-tools

annotate target-utils/c139explore/dac.c @ 91:659fa1a26269

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target-utils/libc: non-optimized C implementation of memset for the sake of completeness and compliance
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 28 Oct 2016 23:15:01 +0000
parents 7ecb70b0ac36
children ce636b0ffb3d
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1 /*
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2 * Code for exercising Motorola's vibrator, which is driven
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3 * via the Iota auxiliary DAC on this phone.
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4 */
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5
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6 #include <sys/types.h>
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7 #include "types.h"
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8 #include "abbdefs.h"
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9
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10 void
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11 cmd_dacon()
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12 {
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13 abb_reg_write(TOGBR1, 0x20);
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14 }
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15
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16 void
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17 cmd_dac(argbulk)
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18 char *argbulk;
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19 {
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20 char *argv[2];
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21 u32 val;
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22
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23 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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24 return;
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25 val = strtoul(argv[0], 0, 0);
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26 if (val > 0x3FF) {
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27 printf("ERROR: argument out of range\n");
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28 return;
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29 }
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30 abb_reg_write(AUXDAC, val);
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31 }
40
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32
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33 void
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34 cmd_vibe(argbulk)
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35 char *argbulk;
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36 {
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37 char *argv[2];
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38 u32 val;
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39 int c;
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40
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41 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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42 return;
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43 val = strtoul(argv[0], 0, 0);
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44 if (val > 0x3FF) {
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45 printf("ERROR: argument out of range\n");
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46 return;
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47 }
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48 abb_reg_write(AUXDAC, val);
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49 for (;;) {
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50 c = serial_in_poll();
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51 if (c >= 0)
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52 break;
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53 }
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54 abb_reg_write(AUXDAC, 0);
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55 }