static int
mpu401_intr(struct mpu401 *m)
{
#define MPU_INTR_BUF 16
MIDI_TYPE b[MPU_INTR_BUF];
int i;
int s;
/*
printf("mpu401_intr\n");
*/
#define RXRDY(m) ( (STATUS(m) & MPU_INPUTBUSY) == 0)
#define TXRDY(m) ( (STATUS(m) & MPU_OUTPUTBUSY) == 0)
#if 0
#define D(x,l) printf("mpu401_intr %d %x %s %s\n",l, x, x&MPU_INPUTBUSY?"RX":"", x&MPU_OUTPUTBUSY?"TX":"")
#else
#define D(x,l)
#endif
i = 0;
s = STATUS(m);
D(s, 1);
while ((s & MPU_INPUTBUSY) == 0 && i < MPU_INTR_BUF) {
b[i] = READ(m);
/*
printf("mpu401_intr in i %d d %d\n", i, b[i]);
*/
i++;
s = STATUS(m);
}
if (i)
midi_in(m->mid, b, i);
i = 0;
while (!(s & MPU_OUTPUTBUSY) && i < MPU_INTR_BUF) {
if (midi_out(m->mid, b, 1)) {
/*
printf("mpu401_intr out i %d d %d\n", i, b[0]);
*/
WRITE(m, *b);
} else {
/*
printf("mpu401_intr write: no output\n");
*/
return 0;
}
i++;
/* DELAY(100); */
s = STATUS(m);
}
if ((m->flags & M_TXEN) && (m->si)) {
callout_reset(&m->timer, 1, mpu401_timeout, m);
}
return (m->flags & M_TXEN) == M_TXEN;
}
void eof_midi_play_note_ex(int note, unsigned char channel, unsigned char patch)
{
unsigned char SET_PATCH_DATA[2] = {0xC0|channel, 28}; // 28 = Electric Guitar (clean)
unsigned char NOTE_ON_DATA[3] = {0x90|channel, 0x0, 127}; //Data sequence for a Note On, channel 1, Note 0
unsigned char NOTE_OFF_DATA[3] = {0x80|channel, 0x0, 127}; //Data sequence for a Note Off, channel 1, Note 0
static unsigned char lastnote[16] = {0}; //Remembers the last note that was played on each channel, so it can be turned off
static unsigned char lastnotedefined[16] = {0};
static unsigned char patches[16] = {0}; //The last instrument number played on each of the 16 usable channels, is set to nonzero after the instrument is set
if(midi_driver == NULL)
{ //Ensure Allegro's MIDI driver is loaded
return;
}
if(channel > 15)
{ //Bounds check
channel = 15;
}
if(patch |= patches[channel])
{ //If the instrument number needs to be changed for this channel
SET_PATCH_DATA[1] = patch;
midi_out(SET_PATCH_DATA, 2);
patches[channel] = patch;
}
if(note < EOF_MAX_VOCAL_TONES)
{
NOTE_ON_DATA[1] = note; //Alter the data sequence to be the appropriate note number
if(lastnotedefined[channel])
{
NOTE_OFF_DATA[1] = lastnote[channel];
midi_out(NOTE_OFF_DATA, 3); //Turn off the last note that was played
}
midi_out(NOTE_ON_DATA, 3); //Turn on this note
lastnote[channel] = note;
lastnotedefined[channel] = 1;
}
}
//=======================================================
// メインループ関数
//=======================================================
void MainLoop(void)
{
ARUint8 *image; // カメラキャプチャ画像
ARMarkerInfo *marker_info; // マーカ情報
int marker_num; // 検出されたマーカの数
int i, j, k;
// カメラ画像の取得
if( (image = (ARUint8 *)arVideoGetImage()) == NULL ){
arUtilSleep( 2 );
return;
}
if( count == 0 ) arUtilTimerReset();
count++;
// カメラ画像の描画
argDrawMode2D();
argDispImage( image, 0, 0 );
// マーカの検出と認識
if( arDetectMarker( image, thresh, &marker_info, &marker_num ) < 0 ){
Cleanup();
exit(0);
}
// 次の画像のキャプチャ指示
arVideoCapNext();
// 3Dオブジェクトを描画するための準備
argDrawMode3D();
argDraw3dCamera( 0, 0 );
glClearDepth(1.0); // デプスバッファの消去値
glClear( GL_DEPTH_BUFFER_BIT ); // デプスバッファの初期化
if(movex[0]!=0 && movex[3]!=0 && movex[7]!=0){
rmove++;
if(rmove!=0){
Drawnashi( marker[3].mark_id, marker[3].patt_trans);
}
if(rmove>40.0){
rmove=0.0;
for(int i=0;i<MARK_NUM;i++){
movex[i]=0;
}
}
}else{
// マーカの一致度の比較
for( i=0; i<MARK_NUM; i++ ){
k = -1;
for( j=0; j<marker_num; j++ ){
if( marker[i].patt_id == marker_info[j].id ){
if( k == -1 ) k = j;
else if( marker_info[k].cf < marker_info[j].cf ) k = j;
}
}
// マーカーが見つからなかったとき
if( k == -1 ){
if(marker[i].visible != 0){
midi_out(i+1);
midi_stop(i+1);
movex[i]=1;
marker[i].visible = 0;
}else if(movex[i]!=0){
DrawObject( marker[i].mark_id, marker[i].patt_trans,i );
}
}else{
// 座標変換行列を取得
if( marker[i].visible == 0 ) {
// 1フレームを使ってマーカの位置・姿勢（座標変換行列）の計算
arGetTransMat( &marker_info[k], marker[i].patt_center, marker[i].patt_width, marker[i].patt_trans ); //初回の認識ではarGetTransMatを2回目以降ではarGetTransMatContを使うと安定するらしい
marker[i].visible = 1;
} else {
// 前のフレームを使ってマーカの位置・姿勢（座標変換行列）の計算
arGetTransMatCont( &marker_info[k], marker[i].patt_trans, marker[i].patt_center, marker[i].patt_width, marker[i].patt_trans );
}
// 3Dオブジェクトの描画
if(movex[i]!=0){
DrawObject( marker[i].mark_id, marker[i].patt_trans,i );
}
}
if(movex[i]>=40.0) movex[i]=0;
if(movex[i]!=0) movex[i]++;
}
}
// バッファの内容を画面に表示
argSwapBuffers();
}
