diff options
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/tusb_fifo.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/common/tusb_fifo.h b/src/common/tusb_fifo.h index 86ba59059..a3829e38e 100644 --- a/src/common/tusb_fifo.h +++ b/src/common/tusb_fifo.h @@ -289,6 +289,12 @@ TU_ATTR_ALWAYS_INLINE static inline bool tu_fifo_empty(const tu_fifo_t *f) { return wr_idx == rd_idx; } +// Suppress IAR warning +// Warning[Pa082]: undefined behavior: the order of volatile accesses is undefined in this statement +#if defined(__ICCARM__) +#pragma diag_suppress = Pa082 +#endif + // return number of items in fifo, capped to fifo's depth TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_fifo_count(const tu_fifo_t *f) { return tu_min16(tu_ff_overflow_count(f->depth, f->wr_idx, f->rd_idx), f->depth); @@ -303,6 +309,10 @@ TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_fifo_remaining(const tu_fifo_t * return tu_ff_remaining_local(f->depth, f->wr_idx, f->rd_idx); } +#if defined(__ICCARM__) + #pragma diag_default=Pa082 +#endif + #ifdef __cplusplus } #endif |