kopia lustrzana https://github.com/espressif/esp-idf
47 wiersze
1.3 KiB
C
47 wiersze
1.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2020-2023 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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#include <stdint.h>
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#include <stdbool.h>
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#include "esp_err.h"
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#include "esp_etm.h"
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#include "esp_async_memcpy.h"
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#include "soc/soc_caps.h"
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#define ALIGN_DOWN(val, align) ((val) & ~((align) - 1))
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#define DEFAULT_TRANSACTION_QUEUE_LENGTH 4
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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MCP_FSM_IDLE_WAIT, /// intermediate state, for state changes from others to IDLE
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MCP_FSM_IDLE,
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MCP_FSM_RUN_WAIT, /// intermediate state, for state changes from others to RUN
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MCP_FSM_RUN,
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} async_memcpy_fsm_t;
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typedef struct async_memcpy_context_t async_memcpy_context_t;
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struct async_memcpy_context_t {
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/// @brief Start a new async memcpy transaction
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esp_err_t (*memcpy)(async_memcpy_context_t *ctx, void *dst, void *src, size_t n, async_memcpy_isr_cb_t cb_isr, void *cb_args);
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#if SOC_ETM_SUPPORTED
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/// @brief Create ETM event handle of specific event type
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esp_err_t (*new_etm_event)(async_memcpy_context_t *ctx, async_memcpy_etm_event_t event_type, esp_etm_event_handle_t *out_event);
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#endif // SOC_ETM_SUPPORTED
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/// @brief Delete async memcpy driver context
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esp_err_t (*del)(async_memcpy_context_t *ctx);
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};
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#ifdef __cplusplus
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}
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#endif
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