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