############################################################################## # Build global options # NOTE: Can be overridden externally. # # Compiler options here. ifeq ($(USE_OPT),) USE_OPT = -O0 -ggdb -fomit-frame-pointer -falign-functions=16 endif # C specific options here (added to USE_OPT). ifeq ($(USE_COPT),) USE_COPT = endif # C++ specific options here (added to USE_OPT). ifeq ($(USE_CPPOPT),) USE_CPPOPT = -fno-rtti endif # Enable this if you want the linker to remove unused code and data ifeq ($(USE_LINK_GC),) USE_LINK_GC = yes endif # Linker extra options here. ifeq ($(USE_LDOPT),) USE_LDOPT = endif # Enable this if you want link time optimizations (LTO) ifeq ($(USE_LTO),) USE_LTO = yes endif # If enabled, this option allows to compile the application in THUMB mode. ifeq ($(USE_THUMB),) USE_THUMB = no endif # Enable this if you want to see the full log while compiling. ifeq ($(USE_VERBOSE_COMPILE),) USE_VERBOSE_COMPILE = no endif # If enabled, this option makes the build process faster by not compiling # modules not used in the current configuration. ifeq ($(USE_SMART_BUILD),) USE_SMART_BUILD = yes endif # # Build global options ############################################################################## ############################################################################## # Architecture or project specific options # # Stack size to be allocated to the ARM System/User stack. This # stack is the stack used by the main() thread. ifeq ($(USE_SYSTEM_STACKSIZE),) USE_SYSTEM_STACKSIZE = 0x400 endif # Stack size to the allocated to the ARM IRQ stack. This # stack is used for processing interrupts and exceptions. ifeq ($(USE_EXCEPTIONS_STACKSIZE),) USE_IRQ_STACKSIZE = 0x400 endif # Stack size to the allocated to the ARM FIQ stack. This # stack is used for processing interrupts and exceptions. ifeq ($(USE_FIQ_STACKSIZE),) USE_FIQ_STACKSIZE = 0x400 endif # Stack size to the allocated to the ARM Supervisor stack. This # stack is used for processing interrupts and exceptions. ifeq ($(USE_SUPERVISOR_STACKSIZE),) USE_SUPERVISOR_STACKSIZE = 8 endif # Stack size to the allocated to the ARM Undefined stack. This # stack is used for processing interrupts and exceptions. ifeq ($(USE_UND_STACKSIZE),) USE_UND_STACKSIZE = 8 endif # Stack size to the allocated to the ARM Abort stack. This # stack is used for processing interrupts and exceptions. ifeq ($(USE_ABT_STACKSIZE),) USE_ABT_STACKSIZE = 8 endif # Enables the use of FPU. ifeq ($(USE_FPU),) USE_FPU = no endif # # Architecture or project specific options ############################################################################## ############################################################################## # Project, sources and paths # # Define project name here PROJECT = ch # Imported source files and paths CHIBIOS = ../../.. CONFDIR := ./cfg BUILDDIR := ./build DEPDIR := ./.dep # Licensing files. include $(CHIBIOS)/os/license/license.mk # Startup files. include $(CHIBIOS)/os/common/startup/ARMCAx-TZ/compilers/GCC/mk/startup_sama5d2.mk # HAL-OSAL files (optional). include $(CHIBIOS)/os/hal/hal.mk include $(CHIBIOS)/os/hal/ports/SAMA/SAMA5D2x/platform.mk include $(CHIBIOS)/os/hal/boards/ATSAMA5D2_XULT/board.mk include $(CHIBIOS)/os/hal/osal/rt/osal.mk # RTOS files (optional). include $(CHIBIOS)/os/rt/rt.mk include $(CHIBIOS)/os/common/ports/ARMCAx-TZ/compilers/GCC/mk/port_generic.mk # Other files (optional). include $(CHIBIOS)/test/lib/test.mk include $(CHIBIOS)/test/rt/rt_test.mk include $(CHIBIOS)/test/oslib/oslib_test.mk # Define linker script file here #LDSCRIPT= $(STARTUPLD)/SAMA5D2.ld # Only if SAMA_NO_INIT is TRUE LDSCRIPT= $(STARTUPLD)/SAMA5D2ddr.ld # C sources that can be compiled in ARM or THUMB mode depending on the global # setting. CSRC = $(ALLCSRC) \ $(TESTSRC) \ main.c # C++ sources that can be compiled in ARM or THUMB mode depending on the global # setting. CPPSRC = $(ALLCPPSRC) # C sources to be compiled in ARM mode regardless of the global setting. # NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler # option that results in lower performance and larger code size. ACSRC = # C++ sources to be compiled in ARM mode regardless of the global setting. # NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler # option that results in lower performance and larger code size. ACPPSRC = # C sources to be compiled in THUMB mode regardless of the global setting. # NOTE: Mixing ARM an
// dear imgui: null/dummy example application (compile and link imgui with no inputs, no outputs)
#include "imgui.h"
#include <stdio.h>

int main(int, char**)
{
    IMGUI_CHECKVERSION();
    ImGui::CreateContext();
    ImGuiIO& io = ImGui::GetIO();

    // Build atlas
    unsigned char* tex_pixels = NULL;
    int tex_w, tex_h;
    io.Fonts->GetTexDataAsRGBA32(&tex_pixels, &tex_w, &tex_h);

    for (int n = 0; n < 50; n++)
    {
        printf("NewFrame() %d\n", n);
        io.DisplaySize = ImVec2(1920, 1080);
        io.DeltaTime = 1.0f / 60.0f;
        ImGui::NewFrame();

        static float f = 0.0f;
        ImGui::Text("Hello, world!");
        ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
        ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
        ImGui::ShowDemoWindow(NULL);

        ImGui::Render();
    }

    printf("DestroyContext()\n");
    ImGui::DestroyContext();
    return 0;
}