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Dependencies:   C12832 MMA7660 mbed

sound.cpp@4:d61f6d186db0, 2018-03-07 (annotated)

Committer:
ksaito
Date:
Wed Mar 07 10:57:16 2018 +0000
Revision:
4:d61f6d186db0
Parent:
1:2967eac08981
Child:
5:614e3ac042df
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
ksaito 0:c3bc6981ad28 1 #include "mbed.h"
ksaito 1:2967eac08981 2 #include "commands.h"
ksaito 0:c3bc6981ad28 3
ksaito 0:c3bc6981ad28 4 PwmOut spkr(p26);
ksaito 0:c3bc6981ad28 5
ksaito 4:d61f6d186db0 6 static void _Initialize(void) {
ksaito 0:c3bc6981ad28 7 spkr=0.0;
ksaito 0:c3bc6981ad28 8 }
ksaito 0:c3bc6981ad28 9
ksaito 4:d61f6d186db0 10 static void _Finalize(void) {
ksaito 4:d61f6d186db0 11 _Initialize();
ksaito 4:d61f6d186db0 12 }
ksaito 4:d61f6d186db0 13
ksaito 4:d61f6d186db0 14 static float _SoundRange = 2000.0;
ksaito 4:d61f6d186db0 15
ksaito 4:d61f6d186db0 16 static void _ProcessInitialize(void) {
ksaito 4:d61f6d186db0 17 _SoundRange = 2000.0;
ksaito 4:d61f6d186db0 18 }
ksaito 4:d61f6d186db0 19
ksaito 4:d61f6d186db0 20 static bool _ProcessIsContinue(void) {
ksaito 4:d61f6d186db0 21 return _SoundRange < 10000.0;
ksaito 4:d61f6d186db0 22 }
ksaito 4:d61f6d186db0 23
ksaito 4:d61f6d186db0 24 static void _ProcessRunning(void) {
ksaito 4:d61f6d186db0 25 spkr.period(1.0 / _SoundRange);
ksaito 4:d61f6d186db0 26 spkr = 0.5;
ksaito 4:d61f6d186db0 27 wait(0.1);
ksaito 4:d61f6d186db0 28
ksaito 4:d61f6d186db0 29 _SoundRange += 100;
ksaito 4:d61f6d186db0 30 }
ksaito 4:d61f6d186db0 31
ksaito 4:d61f6d186db0 32 static void _Process(void) {
ksaito 4:d61f6d186db0 33 _ProcessInitialize();
ksaito 4:d61f6d186db0 34 while ( _ProcessIsContinue() ) {
ksaito 4:d61f6d186db0 35 _ProcessRunning();
ksaito 0:c3bc6981ad28 36 }
ksaito 0:c3bc6981ad28 37 }
ksaito 0:c3bc6981ad28 38
ksaito 4:d61f6d186db0 39 COMMAND_DEFINE Command_sound = {"sound", 0x01, _Initialize, _Finalize, _Process,
ksaito 4:d61f6d186db0 40 _ProcessInitialize, _ProcessIsContinue, _ProcessRunning
ksaito 4:d61f6d186db0 41 };