/* FIFO unit test. * * Author: Steffen Vogel * SPDX-FileCopyrightText: 2017 Steffen Vogel * SPDX-License-Identifier: Apache-2.0 */ #include #include #include #include #include #include "global.hpp" using namespace villas; // cppcheck-suppress unknownMacro Test(fpga, fifo, .description = "FIFO") { ssize_t len; char src[255], dst[255]; size_t count = 0; auto logger = logging.get("unit-test:fifo"); for (auto &ip : state.cards.front()->ips) { // Skip non-fifo IPs if (*ip != fpga::Vlnv("xilinx.com:ip:axi_fifo_mm_s:")) continue; logger->info("Testing {}", *ip); auto fifo = std::dynamic_pointer_cast(ip); if (not fifo->loopbackPossible()) { logger->info("Loopback test not possible for {}", *ip); continue; } if (not fifo->connectLoopback()) { continue; } // Get some random data to compare memset(dst, 0, sizeof(dst)); len = utils::readRandom((char *)src, sizeof(src)); if (len != sizeof(src)) { logger->error("Failed to get random data"); continue; } len = fifo->write(src, sizeof(src)); if (len != sizeof(src)) { logger->error("Failed to send to FIFO"); continue; } len = fifo->read(dst, sizeof(dst)); if (len != sizeof(dst)) { logger->error("Failed to read from FIFO"); continue; } // Compare data cr_assert_eq(memcmp(src, dst, sizeof(src)), 0, "Data not equal"); logger->info(CLR_GRN("Passed")); count++; } cr_assert(count > 0, "No FIFO found"); }