FreeCalypso > hg > freecalypso-tools

annotate target-utils/libcommon/buzzer.c @ 76:5bbba2cab6f3

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target-utils: buzplayer started
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 27 Oct 2016 03:50:40 +0000
parents 29d0965ebf86
children 4be951811791
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29d0965ebf86 target-utils: buzzer exercising code written, added to c139explore
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * Commands for exercising the Calypso's buzzer output, whatever
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3 * actual hardware (piezo buzzer or vibrator) it may be driving
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4 * on a given Calypso device.
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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 "types.h"
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9
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10 #define ARMIO_LOAD_TIM (*(volatile u16 *) 0xFFFE4808)
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11 #define BUZZ_LIGHT_REG (*(volatile u16 *) 0xFFFE480E)
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12 #define BUZZ_LEVEL_REG (*(volatile u16 *) 0xFFFE4812)
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13
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14 void
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15 cmd_buzlev(argbulk)
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16 char *argbulk;
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17 {
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18 char *argv[2];
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19 u32 arg;
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20
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21 if (parse_args(argbulk, 0, 1, argv, 0) < 0)
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22 return;
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23 if (argv[0]) {
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24 arg = strtoul(argv[0], 0, 0);
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25 if (arg > 0xFFFF) {
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26 printf("ERROR: argument out of range\n");
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27 return;
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28 }
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29 BUZZ_LEVEL_REG = arg;
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30 } else
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31 printf("%04X\n", BUZZ_LEVEL_REG);
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32 }
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33
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34 void
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35 cmd_buz(argbulk)
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36 char *argbulk;
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37 {
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38 char *argv[2];
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39 u32 arg;
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40 int c;
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41
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42 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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43 return;
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44 arg = strtoul(argv[0], 0, 0);
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45 if (arg > 0xFFFF) {
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46 printf("ERROR: argument out of range\n");
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47 return;
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48 }
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49 ARMIO_LOAD_TIM = arg;
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50 BUZZ_LIGHT_REG = 1;
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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 BUZZ_LIGHT_REG = 0;
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57 }