d4f6353bc3
Change-Id: I47aa12cc942261b8035312d0eeba0caf52b562ac Reviewed-on: https://go-review.googlesource.com/14257 Reviewed-by: Nigel Tao <nigeltao@golang.org>
54 lines
1.3 KiB
Objective-C
54 lines
1.3 KiB
Objective-C
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin
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// +build arm arm64
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#import <CoreMotion/CoreMotion.h>
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CMMotionManager* manager = nil;
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void GoIOS_createManager() {
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manager = [[CMMotionManager alloc] init];
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}
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void GoIOS_startAccelerometer(float interval) {
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manager.accelerometerUpdateInterval = interval;
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[manager startAccelerometerUpdates];
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}
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void GoIOS_stopAccelerometer() {
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[manager stopAccelerometerUpdates];
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}
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void GoIOS_readAccelerometer(int64_t* timestamp, float* v) {
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CMAccelerometerData* data = manager.accelerometerData;
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*timestamp = (int64_t)(data.timestamp * 1000 * 1000);
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v[0] = data.acceleration.x;
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v[1] = data.acceleration.y;
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v[2] = data.acceleration.z;
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}
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void GoIOS_startGyro(float interval) {
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manager.gyroUpdateInterval = interval;
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[manager startGyroUpdates];
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}
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void GoIOS_stopGyro() {
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[manager stopGyroUpdates];
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}
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void GoIOS_readGyro(int64_t* timestamp, float* v) {
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CMGyroData* data = manager.gyroData;
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*timestamp = (int64_t)(data.timestamp * 1000 * 1000);
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v[0] = data.rotationRate.x;
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v[1] = data.rotationRate.y;
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v[2] = data.rotationRate.z;
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}
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void GoIOS_destroyManager() {
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[manager release];
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manager = nil;
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}
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