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Fix quantum ring_buffer for ChibiOS (#19683)

master
Joel Challis 2023-01-28 21:07:51 +00:00 committed by GitHub
parent 832479c7fb
commit 8cc2e0e906
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 22 additions and 7 deletions
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10
platforms/atomic_util.h
View File

@ -24,9 +24,13 @@
# define ATOMIC_BLOCK _Static_assert(0, "ATOMIC_BLOCK not implemented")
# define ATOMIC_BLOCK_RESTORESTATE _Static_assert(0, "ATOMIC_BLOCK_RESTORESTATE not implemented")
# define ATOMIC_BLOCK_FORCEON _Static_assert(0, "ATOMIC_BLOCK_FORCEON not implemented")
# define ATOMIC_FORCEON _Static_assert(0, "ATOMIC_FORCEON not implemented")
# define ATOMIC_RESTORESTATE _Static_assert(0, "ATOMIC_RESTORESTATE not implemented")
# endif
#else /* do nothing atomic macro */
# define ATOMIC_BLOCK for (uint8_t __ToDo = 1; __ToDo; __ToDo = 0)
# define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK
# define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK
# define ATOMIC_BLOCK(t) for (uint8_t __ToDo = 1; __ToDo; __ToDo = 0)
# define ATOMIC_FORCEON
# define ATOMIC_RESTORESTATE
# define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
# define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON)
#endif

17
platforms/chibios/atomic_util.h
View File

@ -30,8 +30,19 @@ static __inline__ void __interrupt_enable__(const uint8_t *__s) {
(void)__s;
}
#define ATOMIC_BLOCK(type) for (type, __ToDo = __interrupt_disable__(); __ToDo; __ToDo = 0)
#define ATOMIC_FORCEON uint8_t sreg_save __attribute__((__cleanup__(__interrupt_enable__))) = 0
static __inline__ syssts_t __interrupt_lock__(void) {
return chSysGetStatusAndLockX();
}
#define ATOMIC_BLOCK_RESTORESTATE _Static_assert(0, "ATOMIC_BLOCK_RESTORESTATE not implemented")
static __inline__ void __interrupt_unlock__(const syssts_t *__s) {
chSysRestoreStatusX(*__s);
__asm__ volatile("" ::: "memory");
}
#define ATOMIC_BLOCK(type) for (type, __ToDo = 1; __ToDo; __ToDo = 0)
#define ATOMIC_FORCEON uint8_t status_save __attribute__((__cleanup__(__interrupt_enable__))) = __interrupt_disable__()
#define ATOMIC_RESTORESTATE syssts_t status_save __attribute__((__cleanup__(__interrupt_unlock__))) = __interrupt_lock__()
#define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
#define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON)

2
quantum/ring_buffer.h
View File

@ -1,8 +1,8 @@
#pragma once
#include <util/atomic.h>
#include <stdint.h>
#include <stdbool.h>
#include "atomic_util.h"
#ifndef RBUF_SIZE
# define RBUF_SIZE 32