//センサーの初期化
void init_sensors(struct engine* engine,struct android_app* state) {
// センサーマネージャの取得
ASensorList list;
int sensor_list[] = {
ASENSOR_TYPE_ACCELEROMETER, ASENSOR_TYPE_MAGNETIC_FIELD,
ASENSOR_TYPE_GYROSCOPE, ASENSOR_TYPE_LIGHT, ASENSOR_TYPE_PROXIMITY
};
engine->sensorManager = ASensorManager_getInstance(); /////-----(1)
// 利用可能なセンサーの一覧を取得
int num = ASensorManager_getSensorList(engine->sensorManager, &list); /////-----(2)
int i, j;
// バッファの初期化
for (i = 0; i < SENSOR_MAX; i++) {
engine->sensors[i].sensor = NULL;
engine->sensors[i].type = sensor_list[i];
}
// センサーのデータ取得準備
for (i = 0; i < num; i++) {
ASensorRef sensor = list[i];
int type = ASensor_getType(sensor); // センサーのTYPEを取得 /////-----(3)
LOGI("type=%d sensor=%s", type, ASensor_getName(sensor));
// センサーから値を取得できるようにする
for (j = 0; j < SENSOR_MAX; j++) {
if ((type == engine->sensors[j].type) && (engine->sensors[j].sensor == NULL)) {
engine->sensors[j].sensor = ASensorManager_getDefaultSensor( /////-----(4)
engine->sensorManager, type);
break;
}
}
}
// センサー情報取得キューの新規作成
engine->sensorEventQueue = ASensorManager_createEventQueue( /////-----(5)
engine->sensorManager, state->looper, LOOPER_ID_USER, NULL, NULL);
}
void QuerySensors() {
int I;
State->Manager = ASensorManager_getInstance();
State->Count = ASensorManager_getSensorList(State->Manager, &State->Sensors);
State->Info = (InfoStructure *) malloc(State->Count * sizeof(InfoStructure));
LOG(ANDROID_LOG_INFO, "Found %d sensors", State->Count);
for (I = 0; I < State->Count; I++) {
State->Info[I].Index = I;
State->Info[I].Type = ASensor_getType(State->Sensors[I]);
State->Info[I].Vendor = ASensor_getVendor(State->Sensors[I]);
State->Info[I].Name = ASensor_getName(State->Sensors[I]);
State->Info[I].Delay = ASensor_getMinDelay(State->Sensors[I]);
State->Info[I].Resolution = ASensor_getResolution(State->Sensors[I]);
LOG(ANDROID_LOG_INFO, "Sensor: %d, %s, %s, %dus, %f", State->Info[I].Type,
State->Info[I].Vendor,
State->Info[I].Name, State->Info[I].Delay,
State->Info[I].Resolution);
State->Info[I].Shift = 0;
}
}
// try and open up the JoyWarrior file descriptor
bool CSensorAndroidBuiltIn::detect()
{
setType();
setPort();
// get the singleton instance of the m_pSensorManager
if (!m_pSensorManager) m_pSensorManager = (ASensorManager*) ASensorManager_getInstance();
/*
// sensor listing
ASensorList pSensorList = NULL;
int iNum = ASensorManager_getSensorList(m_pSensorManager, &pSensorList);
if (iNum && pSensorList) {
fprintf(stdout, "\n\n%d Detected Sensors:\n", iNum);
//int i = 0;
for (int i=0; i < iNum; i++) {
//while (i<10 && (pSensorList+i)) { //for (int i=0; i < iNum; i++) {
fprintf(stdout, " %s\n", ASensor_getName(*(pSensorList+i)));
i++;
}
}
else {
fprintf(stdout, "\n\nNo Sensor List? %d\n\n", iNum);
}
*/
// create looper
m_pLooper = ALooper_forThread(); // get existing looper
if (!m_pLooper) { // make new looper
//m_pLooper = ALooper_prepare(0);
m_pLooper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS);
}
if (!m_pLooper) { // no existing or new looper -- error
fprintf(stderr, "can't create Looper\n");
return false; // can't create looper
}
// setup event queue
//m_pSensorEventQueue = ASensorManager_createEventQueue(m_pSensorManager, m_pLooper,
// LOOPER_ID_QCN, QCN_ALooper_callback, &l_SensorVector);
m_pSensorEventQueue = ASensorManager_createEventQueue(m_pSensorManager, m_pLooper,
LOOPER_ID_QCN, NULL, NULL);
if (!m_pSensorEventQueue) {
fprintf(stderr, "can't create SensorEventQueue\n");
return false; // can't setup queue
}
// get the default accelerometer
m_pSensor = (ASensor*) ASensorManager_getDefaultSensor(m_pSensorManager, ASENSOR_TYPE_ACCELEROMETER);
if (!m_pSensor) {
//fprintf(stdout, "No Android accelerometer detected.\n");
return false; // no sensor
}
int iRetVal = 0;
if ((iRetVal = ASensorEventQueue_enableSensor(m_pSensorEventQueue, m_pSensor)) < 0) {
fprintf(stderr, "Error in enableSensor %d\n", iRetVal);
return false;
};
m_fResolution = ASensor_getResolution(m_pSensor);
m_minDelayMsec = ASensor_getMinDelay(m_pSensor);
int rateMsec = (int)((sm->dt > 0. ? sm->dt : g_DT) * 1000.);
//fprintf(stdout, "Rates: m_minDelayMSec = %d raceMsec = %d\n", m_minDelayMsec, rateMsec);
//if (rateMsec > m_minDelayMsec) m_minDelayMsec = rateMsec;
if (rateMsec < m_minDelayMsec) m_minDelayMsec = rateMsec;
fprintf(stdout, "Setting data rate to %d Hz\n", 1000L/m_minDelayMsec);
strlcpy(m_strSensor, ASensor_getName(m_pSensor), _MAX_PATH);
strlcpy(m_strVendor, ASensor_getVendor(m_pSensor), _MAX_PATH);
// NB: the rate is in microseconds!
if ((iRetVal = ASensorEventQueue_setEventRate(m_pSensorEventQueue, m_pSensor, m_minDelayMsec * 1000L)) < 0) {
fprintf(stderr, "Error in setEventRate %d\n", iRetVal);
// return false; // not really a fatal error
}
fprintf(stdout, "Android Default Sensor Detected: \n\n %s - %s\n"
" Res = %f --- Min Delay msec = %d\n"
" m_pSensor=%x m_pSensorEventQueue=%x\n",
m_strVendor, m_strSensor, m_fResolution, m_minDelayMsec, m_pSensor, m_pSensorEventQueue);
setType(SENSOR_ANDROID);
setSingleSampleDT(true); // set to true in raw mode so we don't get any interpolated/avg points (i.e. just the "integer" value hopefully)
return (bool)(getTypeEnum() == SENSOR_ANDROID);
}
static const char *
SDL_ANDROID_SensorGetDeviceName(int device_index)
{
return ASensor_getName(SDL_sensors[device_index].asensor);
}
