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taiko_morse.ino
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taiko_morse.ino
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//====================================================================
// PS2版太鼓の達人コントローラーでモールス信号を送信する
// 2023.12.01 7M4MON
// ドン＝長点、カッ＝短点、セレクト＝遅く、スタート＝速く
//====================================================================
// Gyokimae氏の自作ライブラリ(PSコントローラ用)
// http://pspunch.com/pd/article/arduino_lib_gpsx.html
#include <GPSXClass.h>
#include <MsTimer2.h>
#include <EEPROM.h>
//====================================================================
// 各種定義
//====================================================================
#define PIN_KEY_OUT 13
#define POLLING_INTERVAL_MS 5
#define DOT_LENGTH_MIN 6 // 5ms*6 = 30ms → 40WPM
#define DOT_LENGTH_MAX 48 // 5ms*48 = 240ms → 5WPM
#define DOT_LENGTH_DEF 20 // 5ms*20 = 100ms → 12WPM (昔の１アマ相当)
uint16_t keydown_time;
uint16_t dot_length;
typedef struct
{
bool button_dl; //←
bool button_dr; //◯
bool button_kl; //L1
bool button_kr; //R1
bool button_select;
bool button_start;
} TaikoState_t;
//====================================================================
// キーイング関連の関数
//====================================================================
// タイマー割り込みで呼び出されてコントローラの状態を更新する。
TaikoState_t get_taiko_state(){
PSX.updateState(PSX_PAD1);
TaikoState_t current_taiko_state;
current_taiko_state.button_dl = (bool)PRESSED_LEFT(PSX_PAD1);
current_taiko_state.button_dr = (bool)PRESSED_CIRCLE(PSX_PAD1);
current_taiko_state.button_kl = (bool)PRESSED_L1(PSX_PAD1);
current_taiko_state.button_kr = (bool)PRESSED_R1(PSX_PAD1);
current_taiko_state.button_select = (bool)PRESSED_SELECT(PSX_PAD1);
current_taiko_state.button_start = (bool)PRESSED_START(PSX_PAD1);
return current_taiko_state;
}
// タイマー割り込みで呼び出されてキーイングを行う。
void interrpt_proc(){
TaikoState_t taiko_state = get_taiko_state();
if (keydown_time == 0){
if (taiko_state.button_kl || taiko_state.button_kr) keydown_time = dot_length;
if (taiko_state.button_dl || taiko_state.button_dr) keydown_time = dot_length * 3;
if (taiko_state.button_start && (dot_length > DOT_LENGTH_MIN)) {dot_length--; keydown_time = dot_length; EEPROM.write(0x00, (uint8_t)dot_length);}
if (taiko_state.button_select && (dot_length < DOT_LENGTH_MAX)) {dot_length++; keydown_time = dot_length; EEPROM.write(0x00, (uint8_t)dot_length);}
if (taiko_state.button_start && taiko_state.button_select) {dot_length = DOT_LENGTH_DEF; keydown_time = dot_length; EEPROM.write(0x00, (uint8_t)dot_length);} //同時押しでデフォルト値
if (keydown_time != 0) {digitalWrite(PIN_KEY_OUT, HIGH); Serial.println(keydown_time * POLLING_INTERVAL_MS);}
}else{
keydown_time--;
if (keydown_time == 0) digitalWrite(PIN_KEY_OUT, LOW);
}
}
//====================================================================
// 初期化処理
//====================================================================
void setup()
{
// デバッグ用シリアルを開始
Serial.begin(115200);
// PSコントローラライブラリの初期化
PSX.mode(PSX_PAD1, MODE_DIGITAL, MODE_LOCK);
PSX.motorEnable(PSX_PAD1, MOTOR1_DISABLE, MOTOR2_DISABLE);
//5msごとにコントローラーを読み取り
MsTimer2::set(POLLING_INTERVAL_MS, interrpt_proc); //
MsTimer2::start();
// 各種初期化
digitalWrite(PIN_KEY_OUT, LOW);
keydown_time = 0;
dot_length = (uint16_t) EEPROM.read(0x00);
if ((dot_length < DOT_LENGTH_MIN) || (dot_length > DOT_LENGTH_MAX) ) dot_length = DOT_LENGTH_DEF;
}
//====================================================================
// メインループ （タイマー割り込み処理だけなので何もしない）
//====================================================================
void loop()
{
}