mirror/tinyusb
3
0
Fork 0
mirror of https://github.com/hathach/tinyusb.git synced 2026-02-05 11:45:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

fifo: fix IAR Warning[Pa082]: undefined behavior: the order of volatile accesses is undefined

Browse Source
This commit is contained in:
Zixun LI
2025-11-25 16:12:20 +01:00
parent 91c3b338b2
commit 3f0d2668f1
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/common/tusb_fifo.h
View File

@ -175,7 +175,9 @@ bool tu_fifo_full(const tu_fifo_t *f);
bool tu_fifo_overflowed(const tu_fifo_t *f);
TU_ATTR_ALWAYS_INLINE static inline bool tu_fifo_empty(const tu_fifo_t *f) {
return f->wr_idx == f->rd_idx;
uint16_t wr_idx = f->wr_idx;
uint16_t rd_idx = f->rd_idx;
return wr_idx == rd_idx;
}
TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_fifo_depth(const tu_fifo_t *f) {