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+/*
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+ Simple DirectMedia Layer
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+ Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
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+
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+ This software is provided 'as-is', without any express or implied
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+ warranty. In no event will the authors be held liable for any damages
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+ arising from the use of this software.
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+
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+ Permission is granted to anyone to use this software for any purpose,
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+ including commercial applications, and to alter it and redistribute it
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+ freely, subject to the following restrictions:
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+
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+ 1. The origin of this software must not be misrepresented; you must not
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+ claim that you wrote the original software. If you use this software
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+ in a product, an acknowledgment in the product documentation would be
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+ appreciated but is not required.
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+ 2. Altered source versions must be plainly marked as such, and must not be
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+ misrepresented as being the original software.
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+ 3. This notice may not be removed or altered from any source distribution.
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+*/
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+
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+#include "SDL_config.h"
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+
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+#if defined(SDL_SENSOR_VITA)
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+
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+#include "SDL_error.h"
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+#include "SDL_sensor.h"
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+#include "SDL_vitasensor.h"
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+#include "../SDL_syssensor.h"
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+#include <psp2/motion.h>
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+#include <psp2/error.h>
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+
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+typedef struct
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+{
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+ SDL_SensorType type;
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+ SDL_SensorID instance_id;
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+} SDL_VitaSensor;
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+
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+static SDL_VitaSensor *SDL_sensors;
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+static int SDL_sensors_count;
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+
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+static int
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+SDL_VITA_SensorInit(void)
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+{
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+ sceMotionReset();
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+ sceMotionStartSampling();
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+// sceMotionMagnetometerOn();
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+ sceMotionSetAngleThreshold(40);
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+ sceMotionSetGyroBiasCorrection(SCE_TRUE);
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+
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+ SDL_sensors_count = 2;
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+
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+ SDL_sensors = (SDL_VitaSensor *)SDL_calloc(SDL_sensors_count, sizeof(*SDL_sensors));
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+ if (!SDL_sensors) {
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+ return SDL_OutOfMemory();
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+ }
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+
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+ SDL_sensors[0].type = SDL_SENSOR_ACCEL;
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+ SDL_sensors[0].instance_id = SDL_GetNextSensorInstanceID();
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+ SDL_sensors[1].type = SDL_SENSOR_GYRO;
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+ SDL_sensors[1].instance_id = SDL_GetNextSensorInstanceID();
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+
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+ return 0;
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+}
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+
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+static int
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+SDL_VITA_SensorGetCount(void)
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+{
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+ return SDL_sensors_count;
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+}
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+
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+static void
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+SDL_VITA_SensorDetect(void)
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+{
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+}
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+
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+static const char *
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+SDL_VITA_SensorGetDeviceName(int device_index)
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+{
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+ if (device_index < SDL_sensors_count) {
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+ switch (SDL_sensors[device_index].type) {
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+ case SDL_SENSOR_ACCEL:
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+ return "Accelerometer";
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+ case SDL_SENSOR_GYRO:
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+ return "Gyro";
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+ default:
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+ return "Unknown";
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+ }
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+ }
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+
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+ return NULL;
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+}
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+
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+static SDL_SensorType
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+SDL_VITA_SensorGetDeviceType(int device_index)
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+{
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+ if (device_index < SDL_sensors_count) {
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+ return SDL_sensors[device_index].type;
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+ }
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+
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+ return SDL_SENSOR_INVALID;
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+}
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+
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+static int
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+SDL_VITA_SensorGetDeviceNonPortableType(int device_index)
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+{
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+ if (device_index < SDL_sensors_count) {
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+ return SDL_sensors[device_index].type;
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+ }
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+ return -1;
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+}
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+
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+static SDL_SensorID
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+SDL_VITA_SensorGetDeviceInstanceID(int device_index)
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+{
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+ if (device_index < SDL_sensors_count) {
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+ return SDL_sensors[device_index].instance_id;
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+ }
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+ return -1;
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+}
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+
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+static int
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+SDL_VITA_SensorOpen(SDL_Sensor *sensor, int device_index)
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+{
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+ return 0;
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+}
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+
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+static void
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+SDL_VITA_SensorUpdate(SDL_Sensor *sensor)
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+{
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+ SceMotionState motionState;
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+ int err = SCE_OK;
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+ err = sceMotionGetState(&motionState);
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+ if (err != SCE_OK) return;
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+
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+ switch (sensor->type)
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+ {
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+ case SDL_SENSOR_ACCEL:
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+ {
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+ float data[3];
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+ data[0] = motionState.acceleration.x * SDL_STANDARD_GRAVITY;
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+ data[1] = motionState.acceleration.y * SDL_STANDARD_GRAVITY;
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+ data[2] = motionState.acceleration.z * SDL_STANDARD_GRAVITY;
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+ SDL_PrivateSensorUpdate(sensor, data, SDL_arraysize(data));
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+ }
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+ break;
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+ case SDL_SENSOR_GYRO:
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+ {
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+ float data[3];
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+ data[0] = motionState.angularVelocity.x;
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+ data[1] = motionState.angularVelocity.y;
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+ data[2] = motionState.angularVelocity.z;
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+ SDL_PrivateSensorUpdate(sensor, data, SDL_arraysize(data));
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+ }
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+ break;
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+ default:
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+ break;
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+ }
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+}
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+
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+static void
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+SDL_VITA_SensorClose(SDL_Sensor *sensor)
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+{
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+}
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+
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+static void
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+SDL_VITA_SensorQuit(void)
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+{
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+ sceMotionStopSampling();
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+}
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+
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+SDL_SensorDriver SDL_VITA_SensorDriver =
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+{
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+ SDL_VITA_SensorInit,
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+ SDL_VITA_SensorGetCount,
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+ SDL_VITA_SensorDetect,
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+ SDL_VITA_SensorGetDeviceName,
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+ SDL_VITA_SensorGetDeviceType,
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+ SDL_VITA_SensorGetDeviceNonPortableType,
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+ SDL_VITA_SensorGetDeviceInstanceID,
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+ SDL_VITA_SensorOpen,
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+ SDL_VITA_SensorUpdate,
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+ SDL_VITA_SensorClose,
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+ SDL_VITA_SensorQuit,
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+};
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+
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+#endif /* SDL_SENSOR_VITA */
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+
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+/* vi: set ts=4 sw=4 expandtab: */
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Ivan Epifanov