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#ifndef WIFI_MAIN_H_
#define WIFI_MAIN_H_
#include "util.h"
/* User buttons */
#define KEYS_PORT PORTB
#define KEYS_PIN PINB
#define KEYS_DDR DDRB
#define KEY_NEXT (1 << 0)
#define KEY_PREV (1 << 1)
#define KEY_SCAN (1 << 2)
#define KEYS_MASK (KEY_NEXT | KEY_PREV | KEY_SCAN)
static inline bool key_is_pressed(uint8_t key_mask)
{
return !(KEYS_PIN & key_mask);
}
void key_debounce(uint8_t key_mask, uint8_t delay);
void emergency_shutdown(void);
/* Jiffies timing helpers derived from the Linux Kernel sources.
* These inlines deal with timer wrapping correctly.
*
* time_after(a, b) returns true if the time a is after time b.
*
* Do this with "<0" and ">=0" to only test the sign of the result. A
* good compiler would generate better code (and a really good compiler
* wouldn't care). Gcc is currently neither.
*/
#define time_after(a, b) ((int8_t)(b) - (int8_t)(a) < 0)
#define time_before(a, b) time_after(b, a)
#endif /* WIFI_MAIN_H_ */
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