#include "mainwindow.h" #include #include MainWindow *w_ptr = nullptr; extern "C" void ost_display_draw_h_line(uint16_t y, uint8_t *pixels, uint8_t *palette) { if (w_ptr != nullptr) { w_ptr->draw_line(y, pixels, palette); } } int main(int argc, char *argv[]) { QApplication a(argc, argv); MainWindow w; w_ptr = &w; w.startTest(); w.show(); return a.exec(); }