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87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
/** FIFO unit test.
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, 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 <criterion/criterion.h>
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#include <villas/utils.h>
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#include <villas/fpga/card.h>
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#include <villas/fpga/vlnv.h>
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#include <villas/fpga/ip.h>
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#include <villas/fpga/ips/fifo.h>
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#include <villas/fpga/card.hpp>
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#include <villas/fpga/ips/fifo.hpp>
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#include "log.hpp"
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extern villas::fpga::PCIeCard* fpga;
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Test(fpga, fifo, .description = "FIFO")
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{
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int ret;
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ssize_t len;
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char src[255], dst[255];
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struct fpga_ip *fifo;
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auto logger = loggerGetOrCreate("unittest:fifo");
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for(auto& ip : fpga->ips) {
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// skip non-fifo IPs
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if(*ip != villas::fpga::Vlnv("xilinx.com:ip:axi_fifo_mm_s:"))
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continue;
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auto fifo = reinterpret_cast<villas::fpga::ip::Fifo&>(*ip);
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if(not fifo.loopbackPossible()) {
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logger->info("Loopback test not possible for {}", *ip);
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continue;
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}
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fifo.connectLoopback();
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/* Get some random data to compare */
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memset(dst, 0, sizeof(dst));
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len = read_random((char *) src, sizeof(src));
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if (len != sizeof(src)) {
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logger->error("Failed to get random data");
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continue;
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}
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len = fifo.write(src, sizeof(src));
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if (len != sizeof(src)) {
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logger->error("Failed to send to FIFO");
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continue;
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}
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len = fifo.read(dst, sizeof(dst));
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if (len != sizeof(dst)) {
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logger->error("Failed to read from FIFO");
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continue;
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}
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/* Compare data */
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cr_assert_eq(memcmp(src, dst, sizeof(src)), 0);
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}
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}
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