make vendor_read_* API() is only available when CFG_TUD_VENDOR_RX_BUFSIZE > 0

vendor_write_flush() and write_available()  only available when  CFG_TUD_VENDOR_TX_BUFSIZE > 0

1 files changed, 1 insertions, 1 deletions

diff --git a/src/common/tusb_fifo.c b/src/common/tusb_fifo.c
index f78167f94..06b0d6a58 100644
--- a/src/common/tusb_fifo.c
+++ b/src/common/tusb_fifo.c
@@ -499,7 +499,7 @@ bool tu_fifo_read(tu_fifo_t *f, void *buffer) {
   return ret;
 }
 
-// Read one item without removing it from the FIFO, correct rad index if overflowed
+// Read one item without removing it from the FIFO, correct read index if overflowed
 bool tu_fifo_peek(tu_fifo_t *f, void *p_buffer) {
   return ff_peek_local(f, p_buffer, f->wr_idx, f->rd_idx);
 }