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75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/** Timer/Counter unit test.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017-2018, Steffen Vogel
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* @license GNU General Public License (version 3)
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*
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* VILLASfpga
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#include <chrono>
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#include <criterion/criterion.h>
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#include <villas/log.hpp>
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#include <villas/fpga/card.hpp>
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#include <villas/fpga/ips/timer.hpp>
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#include <villas/config.h>
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#include "global.hpp"
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Test(fpga, timer, .description = "Timer Counter")
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{
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auto logger = villas::logging.get("unittest:timer");
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size_t count = 0;
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for(auto& ip : state.cards.front()->ips) {
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// skip non-timer IPs
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if(*ip != villas::fpga::Vlnv("xilinx.com:ip:axi_timer:")) {
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continue;
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}
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logger->info("Testing {}", *ip);
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count++;
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auto timer = dynamic_cast<villas::fpga::ip::Timer&>(*ip);
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logger->info("Test simple waiting");
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timer.start(timer.getFrequency() / 10);
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cr_assert(timer.wait(), "Waiting failed");
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logger->info("-> passed");
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logger->info("Measure waiting time (1s)");
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timer.start(timer.getFrequency());
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const auto start = std::chrono::high_resolution_clock::now();
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timer.wait();
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const auto stop = std::chrono::high_resolution_clock::now();
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const int oneSecondInUs = 1000000;
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const auto duration = stop - start;
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const auto durationUs =
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std::chrono::duration_cast<std::chrono::microseconds>(duration).count();
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logger->info("-> time passed: {} us", durationUs);
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cr_assert(std::abs(durationUs - oneSecondInUs) < 0.01 * oneSecondInUs,
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"Timer deviation > 1%%");
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logger->info(CLR_GRN("Passed"));
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}
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cr_assert(count > 0, "No timer found");
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}
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