FreeCalypso > hg > freecalypso-tools

annotate target-utils/c139explore/dac.c @ 922:3152e23399a2

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document SE K2x0 FFS quirks and our support for them
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 02 Jan 2023 00:50:19 +0000
parents ce636b0ffb3d
children
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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 extern u_long strtoul();
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11
39
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12 void
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13 cmd_dacon()
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14 {
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15 abb_reg_write(TOGBR1, 0x20);
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16 }
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17
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18 void
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19 cmd_dac(argbulk)
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20 char *argbulk;
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21 {
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22 char *argv[2];
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23 u32 val;
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24
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25 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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26 return;
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27 val = strtoul(argv[0], 0, 0);
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28 if (val > 0x3FF) {
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29 printf("ERROR: argument out of range\n");
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30 return;
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31 }
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32 abb_reg_write(AUXDAC, val);
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33 }
40
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34
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35 void
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36 cmd_vibe(argbulk)
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37 char *argbulk;
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38 {
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39 char *argv[2];
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40 u32 val;
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41 int c;
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42
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43 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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44 return;
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45 val = strtoul(argv[0], 0, 0);
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46 if (val > 0x3FF) {
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47 printf("ERROR: argument out of range\n");
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48 return;
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49 }
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50 abb_reg_write(AUXDAC, val);
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51 for (;;) {
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52 c = serial_in_poll();
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53 if (c >= 0)
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54 break;
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55 }
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56 abb_reg_write(AUXDAC, 0);
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57 }