mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-30 00:00:11 +01:00
107 lines
2.2 KiB
C++
107 lines
2.2 KiB
C++
/** Timer related helper functions
|
|
*
|
|
* These functions present a simpler interface to Xilinx' Timer Counter driver (XTmrCtr_*)
|
|
*
|
|
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
|
|
* @author Daniel Krebs <github@daniel-krebs.net>
|
|
* @copyright 2017-2022, Steffen Vogel
|
|
* @license GNU General Public License (version 3)
|
|
*
|
|
* VILLASfpga
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*********************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include <cstdint>
|
|
#include <xilinx/xtmrctr.h>
|
|
|
|
#include <villas/fpga/config.h>
|
|
#include <villas/fpga/core.hpp>
|
|
|
|
namespace villas {
|
|
namespace fpga {
|
|
namespace ip {
|
|
|
|
class Timer : public Core {
|
|
friend class TimerFactory;
|
|
public:
|
|
bool init();
|
|
|
|
bool start(uint32_t ticks);
|
|
bool wait();
|
|
uint32_t remaining();
|
|
|
|
inline bool isRunning()
|
|
{
|
|
return remaining() != 0;
|
|
}
|
|
|
|
inline bool isFinished()
|
|
{
|
|
return remaining() == 0;
|
|
}
|
|
|
|
static constexpr uint32_t
|
|
getFrequency()
|
|
{
|
|
return FPGA_AXI_HZ;
|
|
}
|
|
|
|
private:
|
|
|
|
std::list<MemoryBlockName> getMemoryBlocks() const
|
|
{
|
|
return {
|
|
registerMemory
|
|
};
|
|
}
|
|
|
|
static constexpr char irqName[] = "generateout0";
|
|
static constexpr char registerMemory[] = "Reg";
|
|
|
|
XTmrCtr xTmr;
|
|
};
|
|
|
|
class TimerFactory : public CoreFactory {
|
|
public:
|
|
|
|
Core* create()
|
|
{
|
|
return new Timer;
|
|
}
|
|
|
|
virtual std::string
|
|
getName() const
|
|
{
|
|
return "Timer";
|
|
}
|
|
|
|
virtual std::string
|
|
getDescription() const
|
|
{
|
|
return "Xilinx's programmable timer / counter";
|
|
}
|
|
|
|
virtual Vlnv
|
|
getCompatibleVlnv() const
|
|
{
|
|
return Vlnv("xilinx.com:ip:axi_timer:");
|
|
}
|
|
};
|
|
|
|
} /* namespace ip */
|
|
} /* namespace fpga */
|
|
} /* namespace villas */
|