Migrate some tmk_core files to quantum (#11791)
* Migrate some tmk_core files to quantum * Fix build errors
This commit is contained in:
parent
7e82879553
commit
99bffc2a21
14 changed files with 22 additions and 50 deletions
44
quantum/ring_buffer.h
Normal file
44
quantum/ring_buffer.h
Normal file
|
@ -0,0 +1,44 @@
|
|||
#pragma once
|
||||
|
||||
#include <util/atomic.h>
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
#ifndef RBUF_SIZE
|
||||
# define RBUF_SIZE 32
|
||||
#endif
|
||||
|
||||
static uint8_t rbuf[RBUF_SIZE];
|
||||
static uint8_t rbuf_head = 0;
|
||||
static uint8_t rbuf_tail = 0;
|
||||
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;
|
||||
ret = true;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
static inline uint8_t rbuf_dequeue(void) {
|
||||
uint8_t val = 0;
|
||||
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
|
||||
if (rbuf_head != rbuf_tail) {
|
||||
val = rbuf[rbuf_tail];
|
||||
rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE;
|
||||
}
|
||||
}
|
||||
|
||||
return val;
|
||||
}
|
||||
static inline bool rbuf_has_data(void) {
|
||||
bool has_data;
|
||||
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) { has_data = (rbuf_head != rbuf_tail); }
|
||||
return has_data;
|
||||
}
|
||||
static inline void rbuf_clear(void) {
|
||||
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) { rbuf_head = rbuf_tail = 0; }
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue