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CLK/OSBindings/Mac/Clock SignalTests/Bridges/DigitalPhaseLockedLoopBridge.mm
2016-07-12 21:42:23 -04:00

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//
// DigitalPhaseLockedLoopBridge.m
// Clock Signal
//
// Created by Thomas Harte on 12/07/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#import "DigitalPhaseLockedLoopBridge.h"
#include "DigitalPhaseLockedLoop.hpp"
#include <memory>
@interface DigitalPhaseLockedLoopBridge(BitPushing)
- (void)pushBit:(int)value;
@end
class DigitalPhaseLockedLoopDelegate: public Storage::DigitalPhaseLockedLoop::Delegate {
public:
__weak DigitalPhaseLockedLoopBridge *bridge;
void digital_phase_locked_loop_output_bit(int value)
{
[bridge pushBit:value ? 1 : 0];
}
};
@implementation DigitalPhaseLockedLoopBridge
{
std::unique_ptr<Storage::DigitalPhaseLockedLoop> _digitalPhaseLockedLoop;
DigitalPhaseLockedLoopDelegate _delegate;
}
- (instancetype)initWithClocksPerBit:(NSUInteger)clocksPerBit tolerance:(NSUInteger)tolerance historyLength:(NSUInteger)historyLength
{
self = [super init];
if(self)
{
_digitalPhaseLockedLoop.reset(new Storage::DigitalPhaseLockedLoop((unsigned int)clocksPerBit, (unsigned int)tolerance, (unsigned int)historyLength));
_delegate.bridge = self;
_digitalPhaseLockedLoop->set_delegate(&_delegate);
}
return self;
}
- (void)runForCycles:(NSUInteger)cycles
{
_digitalPhaseLockedLoop->run_for_cycles((unsigned int)cycles);
}
- (void)addPulse
{
_digitalPhaseLockedLoop->add_pulse();
}
- (void)pushBit:(int)value
{
_stream = (_stream << 1) | value;
}
@end