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optmized nmbs_bitfield_write

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This commit is contained in:
arwa 2025-06-15 00:55:18 -04:00
parent 2d8fee908c
commit 99c59c2266
1 changed files with 3 additions and 3 deletions
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6
nanomodbus.h
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@ -92,17 +92,17 @@ typedef uint8_t nmbs_bitfield_256[32];
/**
* Read a bit from the nmbs_bitfield bf at position b
*/
#define nmbs_bitfield_read(bf, b) ((bool) ((bf)[(b) >> 3] & (0x1 << ((b) & 7))))
#define nmbs_bitfield_read(bf, b) ((bool) ((bf)[(b) >> 3] & (0x1 << ((b) & (8 - 1)))))
/**
* Set a bit of the nmbs_bitfield bf at position b
*/
#define nmbs_bitfield_set(bf, b) (((bf)[(b) >> 3]) = (((bf)[(b) >> 3]) | (0x1 << ((b) & 7))))
#define nmbs_bitfield_set(bf, b) (((bf)[(b) >> 3]) = (((bf)[(b) >> 3]) | (0x1 << ((b) & (8 - 1)))))
/**
* Reset a bit of the nmbs_bitfield bf at position b
*/
#define nmbs_bitfield_unset(bf, b) (((bf)[(b) >> 3]) = (((bf)[(b) >> 3]) & ~(0x1 << ((b) & 7))))
#define nmbs_bitfield_unset(bf, b) (((bf)[(b) >> 3]) = (((bf)[(b) >> 3]) & ~(0x1 << ((b) & (8 - 1)))))
/**
* Write value v to the nmbs_bitfield bf at position b