generated from saji/ecp5-template
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
|
#include "Vhub75e.h"
|
||
|
|
#include "devices.hpp"
|
||
|
|
#include "tests.hpp"
|
||
|
|
#include <array>
|
||
|
|
#include <catch2/catch_test_macros.hpp>
|
||
|
|
#include <catch2/generators/catch_generators_all.hpp>
|
||
|
|
#include <memory>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
TEST_CASE("HUB75E Driver Test") {
|
||
|
|
auto fixture = VerilatorTestFixture<Vhub75e>();
|
||
|
|
// very simple done checker.
|
||
|
|
auto done_check = [](Vhub75e &dut, unsigned long time) {
|
||
|
|
return dut.done == 1;
|
||
|
|
};
|
||
|
|
fixture.set_done_callback(done_check);
|
||
|
|
const Vhub75e &dut = fixture.get();
|
||
|
|
// stimulus to start the transaction.
|
||
|
|
auto stim = std::make_shared<PulseStimulus>(dut.write_trig, 4);
|
||
|
|
fixture.add_module(stim);
|
||
|
|
fixture.set_timeout(250000);
|
||
|
|
auto bram = std::make_shared<FakeBRAM>(1, dut.clk, dut.pixbuf_addr,
|
||
|
|
dut.pixbuf_data);
|
||
|
|
fixture.add_module(bram);
|
||
|
|
auto display = std::make_shared<HUB75Reciever>(128, 64, dut);
|
||
|
|
fixture.add_module(display);
|
||
|
|
|
||
|
|
|
||
|
|
SECTION("Smoke Tests") {
|
||
|
|
|
||
|
|
fixture.exec();
|
||
|
|
|
||
|
|
CHECK(fixture.get_reason() ==
|
||
|
|
VerilatorTestFixture<Vhub75e>::FinishReason::Ok);
|
||
|
|
|
||
|
|
auto rows = display->get_past_rows();
|
||
|
|
CHECK(rows.size() == 8);
|
||
|
|
for (int i = 0; i < rows.size(); i++) {
|
||
|
|
auto &[r0, r1] = rows[i];
|
||
|
|
CHECK(r0.size() == 128);
|
||
|
|
CHECK(r1.size() == 128);
|
||
|
|
}
|
||
|
|
// pulse width smoke tests.
|
||
|
|
auto pulses = display->get_pulse_widths();
|
||
|
|
REQUIRE(pulses.size() == rows.size());
|
||
|
|
for (int i = 1; i < pulses.size(); i++) {
|
||
|
|
REQUIRE(pulses[i] == pulses[i - 1] / 2);
|
||
|
|
}
|
||
|
|
auto [row0, row1] = display->transpose();
|
||
|
|
REQUIRE(row0.size() == 128);
|
||
|
|
REQUIRE(row1.size() == 128);
|
||
|
|
auto ram_ref = bram->get();
|
||
|
|
|
||
|
|
CAPTURE(row0);
|
||
|
|
CHECK(std::equal(ram_ref.begin(), ram_ref.begin() + 128, row0.begin(),
|
||
|
|
row0.end()));
|
||
|
|
}
|
||
|
|
SECTION("Line Correctness") {
|
||
|
|
// this is the part where we validate that the line in = line out.
|
||
|
|
// we have to generate different values since the
|
||
|
|
fixture.enable_trace("testing.vcd");
|
||
|
|
// generate an entire block of RAM
|
||
|
|
auto line = GENERATE(take(1, chunk(512, random(0, 0xFFFFFF))));
|
||
|
|
std::copy(line.begin(), line.end(), bram->get().begin());
|
||
|
|
|
||
|
|
fixture.exec();
|
||
|
|
|
||
|
|
REQUIRE(fixture.get_reason() ==
|
||
|
|
VerilatorTestFixture<Vhub75e>::FinishReason::Ok);
|
||
|
|
|
||
|
|
auto [row0, row1] = display->transpose();
|
||
|
|
REQUIRE(row0.size() == 128);
|
||
|
|
REQUIRE(row1.size() == 128);
|
||
|
|
auto ram_ref = bram->get();
|
||
|
|
|
||
|
|
for (int i = 0; i < 128; i++) {
|
||
|
|
CAPTURE(i);
|
||
|
|
CAPTURE(ram_ref[i], row0[i]);
|
||
|
|
CHECK(ram_ref[i] == row0[i]);
|
||
|
|
CAPTURE(ram_ref[i+256], row1[i]);
|
||
|
|
CHECK(ram_ref[i+256] == row1[i]);
|
||
|
|
|
||
|
|
}
|
||
|
|
// CHECK(std::equal(ram_ref.begin(), ram_ref.begin() + 128, row0.begin(),
|
||
|
|
// row0.end()));
|
||
|
|
}
|
||
|
|
}
|