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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build darwin && (arm || arm64)
// +build darwin
// +build arm arm64
#import <CoreMotion/CoreMotion.h>
CMMotionManager* manager = nil;
void GoIOS_createManager() {
manager = [[CMMotionManager alloc] init];
}
void GoIOS_startAccelerometer(float interval) {
manager.accelerometerUpdateInterval = interval;
[manager startAccelerometerUpdates];
}
void GoIOS_stopAccelerometer() {
[manager stopAccelerometerUpdates];
}
void GoIOS_readAccelerometer(int64_t* timestamp, float* v) {
CMAccelerometerData* data = manager.accelerometerData;
*timestamp = (int64_t)(data.timestamp * 1000 * 1000);
v[0] = data.acceleration.x;
v[1] = data.acceleration.y;
v[2] = data.acceleration.z;
}
void GoIOS_startGyro(float interval) {
manager.gyroUpdateInterval = interval;
[manager startGyroUpdates];
}
void GoIOS_stopGyro() {
[manager stopGyroUpdates];
}
void GoIOS_readGyro(int64_t* timestamp, float* v) {
CMGyroData* data = manager.gyroData;
*timestamp = (int64_t)(data.timestamp * 1000 * 1000);
v[0] = data.rotationRate.x;
v[1] = data.rotationRate.y;
v[2] = data.rotationRate.z;
}
void GoIOS_startMagneto(float interval) {
manager.magnetometerUpdateInterval = interval;
[manager startMagnetometerUpdates];
}
void GoIOS_stopMagneto() {
[manager stopMagnetometerUpdates];
}
void GoIOS_readMagneto(int64_t* timestamp, float* v) {
CMMagnetometerData* data = manager.magnetometerData;
*timestamp = (int64_t)(data.timestamp * 1000 * 1000);
v[0] = data.magneticField.x;
v[1] = data.magneticField.y;
v[2] = data.magneticField.z;
}
void GoIOS_destroyManager() {
[manager release];
manager = nil;
}
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