/*
 * This header file is a FreeCalypso addition: it defines the functional
 * interface to the PWT buzzer driver.
 */

void PWT_block_on(void);
void PWT_block_off(void);
void PWT_play_tone(SYS_UWORD8 note, SYS_UWORD8 volume);
void PWT_stop_tone(void);