//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);
}
static SDL_SensorType
SDL_ANDROID_SensorGetDeviceType(int device_index)
{
switch (ASensor_getType(SDL_sensors[device_index].asensor)) {
case 0x00000001:
return SDL_SENSOR_ACCEL;
case 0x00000004:
return SDL_SENSOR_GYRO;
default:
return SDL_SENSOR_UNKNOWN;
}
}
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;
}
}
static int
SDL_ANDROID_SensorGetDeviceNonPortableType(int device_index)
{
return ASensor_getType(SDL_sensors[device_index].asensor);
}
