FreeCalypso > hg > freecalypso-tools

annotate target-utils/libcommon/buzzer.c @ 926:6a0aa8d36d06

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rvinterf backslash escape: introduce libprint The new helper function library named libprint is meant to replace the badly misnamed libg23, and will soon contain functions for printing all of the same kinds of GPF TST packets that are now handled in libg23. However, we are also moving safe_print_trace() from libasync to this new library, and changing it to emit our new backslash escape format.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 23 May 2023 03:47:46 +0000
parents 4be951811791
children
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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 extern u_long strtoul();
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11
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12 #define ARMIO_LOAD_TIM (*(volatile u16 *) 0xFFFE4808)
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13 #define BUZZ_LIGHT_REG (*(volatile u16 *) 0xFFFE480E)
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14 #define BUZZ_LEVEL_REG (*(volatile u16 *) 0xFFFE4812)
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15
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16 void
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17 cmd_buzlev(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 arg;
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22
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23 if (parse_args(argbulk, 0, 1, argv, 0) < 0)
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24 return;
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25 if (argv[0]) {
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26 arg = strtoul(argv[0], 0, 0);
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27 if (arg > 0xFFFF) {
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28 printf("ERROR: argument out of range\n");
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29 return;
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30 }
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31 BUZZ_LEVEL_REG = arg;
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32 } else
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33 printf("%04X\n", BUZZ_LEVEL_REG);
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34 }
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35
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36 void
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37 cmd_buz(argbulk)
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38 char *argbulk;
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39 {
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40 char *argv[2];
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41 u32 arg;
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42 int c;
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43
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44 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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45 return;
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46 arg = strtoul(argv[0], 0, 0);
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47 if (arg > 0xFFFF) {
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48 printf("ERROR: argument out of range\n");
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49 return;
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50 }
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51 ARMIO_LOAD_TIM = arg;
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52 BUZZ_LIGHT_REG = 1;
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53 for (;;) {
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54 c = serial_in_poll();
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55 if (c >= 0)
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56 break;
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57 }
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58 BUZZ_LIGHT_REG = 0;
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59 }