tbm-mcu/include/macros.h

#pragma once

#ifdef STM32F0
#define PRSZu "u"
#else
#define PRSZu "zu"
#endif

#include <limits.h>
#include <stdarg.h>

#define min(x, y) ((x < y) ? (x) : (y))
#define max(x, y) ((x > y) ? (x) : (y))

/* Human-readable sizes */
#define KIB 1024
#define MIB (1024 * KIB)
#define GIB (1024 * MIB)

#define container_of(ptr, type, member) \
	(type *)((char *)ptr - offsetof(type, member))

/* Rounding */
#define IS_ROUND(x, k) (!((x) & ((k) - 1)))
#define ROUND_DOWN(x, k) ((x) & ~((k) - 1))
#define ROUND_UP(x, k) (((x) + (k) - 1) & ~((k) - 1))

#define mask(x, k) ((x) & ((1 << (k)) - 1))
#define align(x, k) ((x) & ~((1 << (k)) - 1))
#define align_up(x, k) align(x + ((1 << (k)) - 1), k)
#define is_aligned(x, k) (!((x) & ((1 << (k)) - 1)))
#define align_eq(x, y, k) (!(((x) ^ (y)) >> k))

/* Bit manipulation */
#define BIT_SIZE(t) (CHAR_BIT * sizeof(t))
#define BIT(n) (1 << (n))
#define BITS(_start, _end) ((BIT(_end) - BIT(_start)) + BIT(_end))
#define BIT_MASK(x, k) ((x) & ((1 << (k)) - 1))