Function attach_external_handler

src/platforms/stub/isr_stub.hpp:481–483

}

inline int attach_external_handler(u8 pin, const isr_config_t& config, isr_handle_t* handle) FL_NOEXCEPT {
    return stub_attach_external_handler(pin, config, handle);
}

inline int detach_handler(isr_handle_t& handle) FL_NOEXCEPT {
    return stub_detach_handler(handle);