| #endif // __cplusplus | #endif // __cplusplus | ||||
| #else // F_CPU < 20 MHz && !(USB_SERIAL || USB_SERIAL_HID) | |||||
| #elif (F_CPU < 20000000) && (defined(USB_SERIAL) || defined(USB_SERIAL_HID)) | |||||
| // Allow Arduino programs using Serial to compile, but Serial will do nothing. | // Allow Arduino programs using Serial to compile, but Serial will do nothing. | ||||
| #ifdef __cplusplus | #ifdef __cplusplus |