X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=boards%2Ftriface%2Fhw%2Fhw_buzzer.h;fp=boards%2Ftriface%2Fhw%2Fhw_buzzer.h;h=a2b683ad188b2774336a65af766f5e797e74b65e;hb=bf7b83a7ba537d9cc4ead0fa5e3c68648bff7597;hp=0000000000000000000000000000000000000000;hpb=9a93cf6b1cd9a22b0b2fd1776ca0d1b480276002;p=bertos.git diff --git a/boards/triface/hw/hw_buzzer.h b/boards/triface/hw/hw_buzzer.h new file mode 100644 index 00000000..a2b683ad --- /dev/null +++ b/boards/triface/hw/hw_buzzer.h @@ -0,0 +1,53 @@ +/** + * \file + * + * + * \brief Buzzer hardware-specific definitions + * + * \author Francesco Sacchi + * \author Andrea Grandi + */ + +#ifndef HW_BUZZER_H +#define HW_BUZZER_H + +#include +#include + +#define BUZZER_BIT BV(PE3) +#define IS_BUZZER_ON (PORTE & BUZZER_BIT) +#define BUZZER_HW_INIT do { DDRE |= BV(DDE3); } while (0) +#define BUZZER_ON do { PORTE |= BUZZER_BIT; } while (0) +#define BUZZER_OFF do { PORTE &= ~BUZZER_BIT; } while (0) + +#endif /* HW_BUZZER_H */ +