From ecedd78302cb2236a2175d4a2c9a09b482c8db03 Mon Sep 17 00:00:00 2001 From: iabdalkader Date: Wed, 21 Jun 2023 17:13:09 +0200 Subject: drivers/esp-hosted: Add host driver for ESP-Hosted firmware. This is a host driver for ESP32 chips running the esp-hosted firmware, which turns ESP32s into a WLAN/BT co-processor. Signed-off-by: iabdalkader --- drivers/esp-hosted/esp_hosted_stack.h | 63 +++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 drivers/esp-hosted/esp_hosted_stack.h (limited to 'drivers/esp-hosted/esp_hosted_stack.h') diff --git a/drivers/esp-hosted/esp_hosted_stack.h b/drivers/esp-hosted/esp_hosted_stack.h new file mode 100644 index 0000000000..8fa45cc43b --- /dev/null +++ b/drivers/esp-hosted/esp_hosted_stack.h @@ -0,0 +1,63 @@ +/* + * 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 +#include +#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 -- cgit v1.2.3