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-rw-r--r--tmk_core/ring_buffer.h13
1 files changed, 9 insertions, 4 deletions
diff --git a/tmk_core/ring_buffer.h b/tmk_core/ring_buffer.h
index 6bea3509b3..25fab638eb 100644
--- a/tmk_core/ring_buffer.h
+++ b/tmk_core/ring_buffer.h
@@ -3,21 +3,26 @@
/*--------------------------------------------------------------------
* Ring buffer to store scan codes from keyboard
*------------------------------------------------------------------*/
-#define RBUF_SIZE 32
+#ifndef RBUF_SIZE
+# define RBUF_SIZE 32
+#endif
#include <util/atomic.h>
+#include <stdint.h>
+#include <stdbool.h>
static uint8_t rbuf[RBUF_SIZE];
static uint8_t rbuf_head = 0;
static uint8_t rbuf_tail = 0;
-static inline void rbuf_enqueue(uint8_t data) {
+static inline bool rbuf_enqueue(uint8_t data) {
+ bool ret = false;
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
if (next != rbuf_tail) {
rbuf[rbuf_head] = data;
rbuf_head = next;
- } else {
- print("rbuf: full\n");
+ ret = true;
}
}
+ return ret;
}
static inline uint8_t rbuf_dequeue(void) {
uint8_t val = 0;