/* * Copyright (c) 2025, Nicolas Sauzede * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * * Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include // Use GLEW for OpenGL function loading #include "Vdarksocv.h" #include "verilated_vcd_c.h" Vdarksocv *darksocv = NULL; VerilatedVcdC* tfp = NULL; vluint64_t main_time = 0, last_step = 0; static bool clk, reset = true, autoreset, run = true, autostep = true, quit; static int step, step_time = 1, inc = 5; void init_darksocv() { if (!darksocv) darksocv = new Vdarksocv; if (!tfp) { tfp = new VerilatedVcdC; Verilated::traceEverOn(true); darksocv->trace(tfp, 99); #ifndef VCD_FILE #define VCD_FILE "Vdarksocv_gui.vcd" #endif tfp->open(VCD_FILE); } } void cleanup_darksocv() { if (tfp){tfp->close();delete tfp;} delete darksocv; } void handle_key_event(SDL_Event& event) { if (event.type == SDL_KEYDOWN) { if (event.key.keysym.sym == SDLK_c) { clk = !clk; } else if (event.key.keysym.sym == SDLK_r) { reset = !reset; } else if (event.key.keysym.sym == SDLK_s) { step = 2; } else if (event.key.keysym.sym == SDLK_a) { autostep = !autostep; } else if (event.key.keysym.sym == SDLK_SPACE) { run = !run; } } } void render_gui() { vluint64_t vtime = Verilated::time(); if (Verilated::gotFinish()) quit = true; ImGui::Begin("darksocv"); ImGui::Checkbox("Run", &run); ImGui::SameLine();if (ImGui::Button("Quit")) { quit = true; } ImGui::SameLine();ImGui::Checkbox("AutoStep", &autostep); ImGui::SameLine();if (ImGui::Button("Step")) { step = 2; } // ImGui::SameLine();ImGui::Text("step=%d", step); ImGui::SameLine();ImGui::Text("main_time %ld, Vtime=%ld", main_time, vtime); ImGui::SliderInt("StepTime", &step_time, 1, 10); ImGui::SameLine();ImGui::Text("last_step=%ld", last_step); ImGui::Checkbox("clk", &clk); ImGui::SameLine();ImGui::Checkbox("AutoReset", &autoreset); ImGui::SameLine();if (ImGui::Button("Reset")) { reset = true; } //ImGui::SameLine(); ImGui::Text("LED %08lX", (unsigned long)darksocv->LED); // ImGui::Text("DATAI %08lX", (unsigned long)darksocv->DATAI); // ImGui::Text("DATAO %08lX", (unsigned long)darksocv->DATAO); ImGui::Text("DEBUG %01X", (int)darksocv->DEBUG); // ImGui::Text("IRQ %d", (int)darksocv->IRQ); // ImGui::Text("WR %d", (int)darksocv->WR); if ((main_time++>=(last_step+step_time)) && run) { if (step) { clk = !clk; } if (vtime <= 200*inc) { reset = 1; } else { reset = 0; } // darksocv->RXD = 1; darksocv->XCLK = clk; darksocv->XRES = reset; darksocv->eval(); if(tfp) { tfp->dump(vtime); } Verilated::timeInc(inc); if (step) { step--; } if (autostep && !step) { step = 2; } reset = false; if (autoreset) reset = true; last_step = main_time; } ImGui::End(); } //////////////////////////////////////////////////////////////////////////////// int main() { init_darksocv(); if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) { printf("Error: %s\n", SDL_GetError()); return -1; } SDL_Window* window = SDL_CreateWindow("Dear ImGui Example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 800, 600, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE); if (!window) { printf("Error: %s\n", SDL_GetError()); return -1; } SDL_GLContext gl_context = SDL_GL_CreateContext(window); SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2); SDL_GL_SetSwapInterval(1); // Enable vsync if (glewInit() != GLEW_OK) { printf("Failed to initialize GLEW\n"); return -1; } IMGUI_CHECKVERSION(); ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; ImGui::StyleColorsDark(); // Use dark style ImGui_ImplSDL2_InitForOpenGL(window, gl_context); ImGui_ImplOpenGL3_Init("#version 130"); // GLSL version 130 SDL_Event event; while (!quit) { while (SDL_PollEvent(&event)) { if (event.type == SDL_QUIT) { printf("SDL_QUIT\n"); quit = true; } else handle_key_event(event); ImGui_ImplSDL2_ProcessEvent(&event); // Pass events to ImGui } ImGui_ImplOpenGL3_NewFrame(); ImGui_ImplSDL2_NewFrame( #if IMGUI_VERSION_NUM == 19010 window // ImGui 1.90.1 / SDL2 2.30.0 (Ubuntu 24.04.1) have an 'window' argument #endif ); ImGui::NewFrame(); render_gui(); ImGui::Render(); glViewport(0, 0, 800, 600); glClearColor(0.2f, 0.3f, 0.3f, 1.0f); glClear(GL_COLOR_BUFFER_BIT); ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); SDL_GL_SwapWindow(window); } printf("Shutting down..\n"); ImGui_ImplOpenGL3_Shutdown(); ImGui_ImplSDL2_Shutdown(); ImGui::DestroyContext(); SDL_GL_DeleteContext(gl_context); SDL_DestroyWindow(window); SDL_Quit(); cleanup_darksocv(); return 0; }