diff options
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/tusb_fifo.c | 2 | ||||
| -rw-r--r-- | src/common/tusb_fifo.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/common/tusb_fifo.c b/src/common/tusb_fifo.c index f6def94ab..9a2e085bb 100644 --- a/src/common/tusb_fifo.c +++ b/src/common/tusb_fifo.c @@ -74,7 +74,7 @@ bool tu_fifo_config(tu_fifo_t *f, void* buffer, uint16_t depth, uint16_t item_si f->overwritable = overwritable; f->max_pointer_idx = 2*depth - 1; // Limit index space to 2*depth - this allows for a fast "modulo" calculation but limits the maximum depth to 2^16/2 = 2^15 and buffer overflows are detectable only if overflow happens once (important for unsupervised DMA applications) - f->non_used_index_space = 0xFFFF - f->max_pointer_idx; + f->non_used_index_space = UINT16_MAX - f->max_pointer_idx; f->rd_mode = f->wr_mode = TU_FIFO_COPY_INC; // Default copy mode is incrementing addresses diff --git a/src/common/tusb_fifo.h b/src/common/tusb_fifo.h index 833b3eead..19f120a33 100644 --- a/src/common/tusb_fifo.h +++ b/src/common/tusb_fifo.h @@ -97,7 +97,7 @@ typedef struct .item_size = sizeof(_type), \ .overwritable = _overwritable, \ .max_pointer_idx = 2*_depth-1, \ - .non_used_index_space = 0xFFFF - 2*_depth-1, \ + .non_used_index_space = UINT16_MAX - (2*_depth-1), \ .wr_mode = TU_FIFO_COPY_INC, \ .rd_mode = TU_FIFO_COPY_INC, \ } |