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-rw-r--r--common/ring_buffer.h53
1 files changed, 0 insertions, 53 deletions
diff --git a/common/ring_buffer.h b/common/ring_buffer.h
deleted file mode 100644
index 7bdebbcf34..0000000000
--- a/common/ring_buffer.h
+++ /dev/null
@@ -1,53 +0,0 @@
-#ifndef RING_BUFFER_H
-#define RING_BUFFER_H
-/*--------------------------------------------------------------------
- * Ring buffer to store scan codes from keyboard
- *------------------------------------------------------------------*/
-#define RBUF_SIZE 32
-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)
-{
- uint8_t sreg = SREG;
- cli();
- uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
- if (next != rbuf_tail) {
- rbuf[rbuf_head] = data;
- rbuf_head = next;
- } else {
- print("rbuf: full\n");
- }
- SREG = sreg;
-}
-static inline uint8_t rbuf_dequeue(void)
-{
- uint8_t val = 0;
-
- uint8_t sreg = SREG;
- cli();
- if (rbuf_head != rbuf_tail) {
- val = rbuf[rbuf_tail];
- rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE;
- }
- SREG = sreg;
-
- return val;
-}
-static inline bool rbuf_has_data(void)
-{
- uint8_t sreg = SREG;
- cli();
- bool has_data = (rbuf_head != rbuf_tail);
- SREG = sreg;
- return has_data;
-}
-static inline void rbuf_clear(void)
-{
- uint8_t sreg = SREG;
- cli();
- rbuf_head = rbuf_tail = 0;
- SREG = sreg;
-}
-
-#endif /* RING_BUFFER_H */