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#ifndef WIFI_UTIL_H_
#define WIFI_UTIL_H_
#include <stdint.h>
#include <avr/eeprom.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <util/delay.h>
/* Some of these macros are derived from the Linux Kernel sources. */
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#undef offsetof
#define offsetof(type, member) ((size_t)&((type *)0)->member)
#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
#define abs(x) ({ \
__typeof__(x) __x = (x); \
(__x < 0) ? -__x : __x; \
})
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
/* Memory barrier.
* The CPU doesn't have runtime reordering, so we just
* need a compiler memory clobber. */
#define mb() __asm__ __volatile__("" : : : "memory")
/* Convert something indirectly to a string */
#define __stringify(x) #x
#define stringify(x) __stringify(x)
/* Progmem pointer annotation. */
#define PROGPTR /* progmem pointer */
/* Assertions */
void panic(const char PROGPTR *msg) __attribute__((noreturn));
#define BUILD_BUG_ON(x) ((void)sizeof(char[1 - 2 * !!(x)]))
#define BUG_ON(x) \
do { \
if (unlikely(x)) \
panic(PSTR(__FILE__ \
stringify(__LINE__))); \
} while (0)
void reboot(void) __attribute__((noreturn));
void infinite_sleep(void) __attribute__((noreturn));
void wdt_enable_irq_mode(uint8_t timeout);
typedef _Bool bool;
/* Endianess */
typedef uint16_t le16_t;
typedef uint32_t le32_t;
/* The compiler already uses little endian order for multibyte
* values in memory. */
static inline uint16_t le16_to_cpu(le16_t x)
{
return (uint16_t)x;
}
static inline le16_t cpu_to_le16(uint16_t x)
{
return (le16_t)x;
}
static inline uint32_t le32_to_cpu(le32_t x)
{
return (uint32_t)x;
}
static inline le32_t cpu_to_le32(uint32_t x)
{
return (le32_t)x;
}
static inline void irq_disable(void)
{
cli();
mb();
}
static inline void irq_enable(void)
{
mb();
sei();
}
static inline uint8_t irq_disable_save(void)
{
uint8_t sreg = SREG;
cli();
mb();
return sreg;
}
static inline void irq_restore(uint8_t sreg_flags)
{
mb();
SREG = sreg_flags;
}
#define COMPILE_YEAR ((((__DATE__[7] - '0') * 10 + \
(__DATE__[8] - '0')) * 10 + \
(__DATE__[9] - '0')) * 10 + \
(__DATE__[10] - '0'))
#define COMPILE_MONTH ((__DATE__[2] == 'n' ? (__DATE__[1] == 'a' ? 0 : 5) \
: __DATE__[2] == 'b' ? 1 \
: __DATE__[2] == 'r' ? (__DATE__[0] == 'M' ? 2 : 3) \
: __DATE__[2] == 'y' ? 4 \
: __DATE__[2] == 'l' ? 6 \
: __DATE__[2] == 'g' ? 7 \
: __DATE__[2] == 'p' ? 8 \
: __DATE__[2] == 't' ? 9 \
: __DATE__[2] == 'v' ? 10 : 11) + 1)
#define COMPILE_DAY ((__DATE__[4] == ' ' ? 0 : __DATE__[4] - '0') * 10 + \
(__DATE__[5] - '0'))
#endif /* WIFI_UTIL_H_ */
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