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39 lines
886 B
C
39 lines
886 B
C
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/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ulp_riscv_lock_shared.h"
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/**
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* @brief Locks are based on the Peterson's algorithm, https://en.wikipedia.org/wiki/Peterson%27s_algorithm
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*
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*/
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/**
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* @brief Acquire the lock, preventing the ULP from taking until released. Spins until lock is acquired.
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*
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* @note The lock is only designed for being used by a single thread on the main CPU,
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* it is not safe to try to acquire it from multiple threads.
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*
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* @param lock Pointer to lock struct, shared with ULP
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*/
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void ulp_riscv_lock_acquire(ulp_riscv_lock_t *lock);
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/**
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* @brief Release the lock
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*
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* @param lock Pointer to lock struct, shared with ULP
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*/
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void ulp_riscv_lock_release(ulp_riscv_lock_t *lock);
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#ifdef __cplusplus
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}
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#endif
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