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[DM/MISC] Update MISC API #10993

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Merged
Rbb666 merged 1 commit into from
Dec 4, 2025
Merged

[DM/MISC] Update MISC API #10993

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71 changes: 63 additions & 8 deletions components/drivers/include/drivers/misc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,10 @@

#define RT_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))

#define RT_DIV_ROUND_DOWN_ULL(ll, d) ({ rt_uint64_t _tmp = (ll); rt_do_div(_tmp, d); _tmp; })

#define RT_DIV_ROUND_UP_ULL(ll, d) RT_DIV_ROUND_DOWN_ULL((rt_uint64_t)(ll) + (d) - 1, (d))

#define RT_DIV_ROUND_CLOSEST(x, divisor) \
({ \
typeof(x) __x = x; \
Expand All @@ -34,6 +38,14 @@
(((__x) - ((__d) / 2)) / (__d)); \
})

#define RT_DIV_ROUND_CLOSEST_ULL(x, divisor) \
({ \
typeof(divisor) __d = divisor; \
rt_uint64_t _tmp = (x) + (__d) / 2; \
rt_do_div(_tmp, __d); \
_tmp; \
})

#define __KEY_PLACEHOLDER_1 0,
#define ____KEY_ENABLED(__ignored, val, ...) val
#define ___KEY_ENABLED(arg1_or_junk) ____KEY_ENABLED(arg1_or_junk 1, 0)
Expand Down Expand Up @@ -103,14 +115,12 @@

#define rt_clamp(val, lo, hi) rt_min((typeof(val))rt_max(val, lo), hi)

#define rt_do_div(n, base) \
({ \
rt_uint32_t _base = (base), _rem; \
_rem = ((rt_uint64_t)(n)) % _base; \
(n) = ((rt_uint64_t)(n)) / _base; \
if (_rem > _base / 2) \
++(n); \
_rem; \
#define rt_do_div(n, base) \
({ \
rt_uint32_t _base = (base); \
rt_uint32_t _rem = (rt_uint64_t)(n) % _base; \
(n) = (rt_uint64_t)(n) / _base; \
_rem; \
})

#define rt_abs(x) \
Expand All @@ -129,6 +139,18 @@
ret; \
})

#define rt_roundup(x, y) \
({ \
typeof(y) __y = y; \
(((x) + (__y - 1)) / __y) * __y; \
})
Comment on lines +142 to +146
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Copilot AI Dec 2, 2025

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[maintainability/可维护性]: Missing code comment for new macro / 新增宏缺少代码注释

English: The new rt_roundup macro lacks a comment explaining its purpose and usage. Consider adding a brief comment explaining that this macro rounds up a value to the nearest multiple of y.

中文: 新增的 rt_roundup 宏缺少注释说明其用途和使用方法。建议添加简短注释说明该宏将值向上舍入到 y 的最接近倍数。

Example/示例:

/* Round up x to the nearest multiple of y */
#define rt_roundup(x, y)                \
({                                      \
    typeof(y) __y = y;                  \
    (((x) + (__y - 1)) / __y) * __y;    \
})

Copilot uses AI. Check for mistakes.

#define rt_rounddown(x, y) \
({ \
typeof(x) __x = (x); \
__x - (__x % (y)); \
})

#ifndef rt_ilog2
rt_inline int rt_ilog2(rt_ubase_t v)
{
Expand All @@ -143,4 +165,37 @@ rt_inline int rt_ilog2(rt_ubase_t v)
}
#endif /* !rt_ilog2 */

#ifndef rt_bcd2bin
rt_inline rt_ubase_t rt_bcd2bin(rt_uint8_t val)
{
return (val & 0x0f) + (val >> 4) * 10;
}
#endif /* !rt_bcd2bin */

#ifndef rt_bin2bcd
rt_inline rt_uint8_t rt_bin2bcd(rt_ubase_t val)
{
return ((val / 10) << 4) + val % 10;
}
#endif /* !rt_bin2bcd */

#ifndef rt_div_u64_rem
rt_inline rt_uint64_t rt_div_u64_rem(rt_uint64_t dividend, rt_uint32_t divisor,
rt_uint32_t *remainder)
{
*remainder = dividend % divisor;

return dividend / divisor;
}
#endif /* !rt_div_u64_rem */

#ifndef rt_div_u64
rt_inline rt_uint64_t rt_div_u64(rt_uint64_t dividend, rt_uint32_t divisor)
{
rt_uint32_t remainder;

return rt_div_u64_rem(dividend, divisor, &remainder);
}
#endif /* !rt_div_u64 */

#endif /* __MISC_H__ */