opensteno_qmk/platforms/chibios/synchronization_util.c

26 lines
727 B
C

// Copyright 2022 Stefan Kerkmann
// SPDX-License-Identifier: GPL-2.0-or-later
#include "synchronization_util.h"
#include "ch.h"
#if defined(SPLIT_KEYBOARD)
static MUTEX_DECL(SPLIT_SHARED_MEMORY_MUTEX);
/**
* @brief Acquire exclusive access to the split keyboard shared memory, by
* locking the mutex guarding it. If the mutex is already held, the calling
* thread will be suspended until the mutex currently owning thread releases the
* mutex again.
*/
void split_shared_memory_lock(void) {
chMtxLock(&SPLIT_SHARED_MEMORY_MUTEX);
}
/**
* @brief Release the split shared memory mutex that has been acquired before.
*/
void split_shared_memory_unlock(void) {
chMtxUnlock(&SPLIT_SHARED_MEMORY_MUTEX);
}
#endif