Function null_attach_timer_handler

src/platforms/isr_null.hpp:37–43

 */

inline int null_attach_timer_handler(const isr_config_t& config, isr_handle_t* out_handle) FL_NOEXCEPT {
    (void)config;
    if (out_handle) {
        *out_handle = isr_handle_t();  // Invalid handle
    }
    return ERR_NOT_IMPLEMENTED;  // Not implemented error
}

inline int null_attach_external_handler(u8 pin, const isr_config_t& config, isr_handle_t* out_handle) FL_NOEXCEPT {
    (void)pin;