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/*
* Copyright 2019 Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#ifndef __ARCH_ARM_FASTMODEL_COMMON_SIGNAL_RECEIVER_HH__
#define __ARCH_ARM_FASTMODEL_COMMON_SIGNAL_RECEIVER_HH__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Woverloaded-virtual"
#include <amba_pv.h>
#pragma clang diagnostic pop
#include <functional>
namespace FastModel
{
class SignalReceiver : public amba_pv::signal_slave_base<bool>
{
public:
typedef std::function<void(bool)> OnChangeFunc;
private:
bool _state;
OnChangeFunc _onChange;
public:
amba_pv::signal_slave_export<bool> signal_in;
SignalReceiver(const std::string &name, OnChangeFunc on_change=nullptr) :
SignalReceiver(name.c_str(), on_change)
{}
SignalReceiver(const char *name, OnChangeFunc on_change=nullptr) :
amba_pv::signal_slave_base<bool>(name),
_state(false), _onChange(on_change)
{
signal_in.bind(*this);
}
void onChange(OnChangeFunc func) { _onChange = func; }
void
set_state(int export_id, const bool &new_state) override
{
if (new_state == _state)
return;
_state = new_state;
_onChange(_state);
}
};
} // namespace FastModel
#endif // __ARCH_ARM_FASTMODEL_COMMON_SIGNAL_RECEIVER_HH__
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