judsonupchurch/nanoMODBUS
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

optmized nmbs_bitfield_write

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
nanomodbus.h
View File

@ -92,17 +92,17 @@ typedef uint8_t nmbs_bitfield_256[32];
/** /**
* Read a bit from the nmbs_bitfield bf at position b * 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 * 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 * 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 * Write value v to the nmbs_bitfield bf at position b