From 5f82b0782f90645eee5926691dcc0ec617d0dff4 Mon Sep 17 00:00:00 2001 From: Joel Challis Date: Sun, 3 May 2020 01:25:39 +0100 Subject: Initial vusb console support (#8559) --- tmk_core/ring_buffer.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'tmk_core/ring_buffer.h') 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 +#include +#include 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; -- cgit v1.2.3