#include "M5Unified.h" #include "app_button_c_api.h" extern "C" uint8_t is_button_a_press(void); uint8_t is_button_a_press(void) { if (M5.BtnA.isPressed()){ return 1; } else { return 0; } } extern "C" uint8_t is_button_b_press(void); uint8_t is_button_b_press(void) { if (M5.BtnB.isPressed()){ return 1; } else { return 0; } } extern "C" uint8_t is_button_c_press(void); uint8_t is_button_c_press(void) { if (M5.BtnC.isPressed()){ return 1; } else { return 0; } }