#define LED1_ON() sbi(PORTA, 2)
#define LED1_OFF() cbi(PORTA, 2)
#define LED1_ON() sbi(PORTA, 2)
#define LED1_OFF() cbi(PORTA, 2)
struct callout_mgr intr_cm;
struct callout spi_timer;
struct callout beep_timer;
struct callout_mgr intr_cm;
struct callout spi_timer;
struct callout beep_timer;