64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2023 Arduino SA
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* Simple stack for control messages.
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*/
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#ifndef MICROPY_INCLUDED_DRIVERS_ESP_HOSTED_STACK_H
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#define MICROPY_INCLUDED_DRIVERS_ESP_HOSTED_STACK_H
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#include <stdbool.h>
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#include <stddef.h>
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#include "esp_hosted_internal.h"
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static inline void esp_hosted_stack_init(esp_hosted_stack_t *stack) {
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stack->capacity = ESP_STACK_CAPACITY;
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stack->top = 0;
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}
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static inline bool esp_hosted_stack_empty(esp_hosted_stack_t *stack) {
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return stack->top == 0;
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}
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static inline bool esp_hosted_stack_push(esp_hosted_stack_t *stack, void *data) {
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if (stack->top < stack->capacity) {
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stack->buff[stack->top++] = data;
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return true;
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}
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return false;
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}
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static inline void *esp_hosted_stack_pop(esp_hosted_stack_t *stack, bool peek) {
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void *data = NULL;
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if (stack->top > 0) {
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data = stack->buff[stack->top - 1];
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if (!peek) {
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stack->top -= 1;
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}
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}
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return data;
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}
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#endif // MICROPY_INCLUDED_DRIVERS_ESP_HOSTED_STACK_H
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