esp-idf/components/esp_driver_cam/interface/esp_cam_ctlr_interface.h

142 lines
4.0 KiB
C

/*
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdbool.h>
#include "esp_err.h"
#include "esp_cam_ctlr_types.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct esp_cam_ctlr_t esp_cam_ctlr_t; /*!< Type of CAM controller */
/**
* @brief Cam controller interface
*/
struct esp_cam_ctlr_t {
/**
* @brief Enable ESP CAM controller
*
* @param[in] handle ESP CAM controller handle
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: Invalid argument
* - ESP_ERR_INVALID_STATE: Invalid state
*/
esp_err_t (*enable)(esp_cam_ctlr_t *ctlr);
/**
* @brief Start ESP CAM controller
*
* @param[in] handle ESP CAM controller handle
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: Invalid argument
* - ESP_ERR_INVALID_STATE: Invalid state
*/
esp_err_t (*start)(esp_cam_ctlr_t *ctlr);
/**
* @brief Stop ESP CAM controller
*
* @param[in] handle ESP CAM controller handle
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: Invalid argument
* - ESP_ERR_INVALID_STATE: Invalid state
*/
esp_err_t (*stop)(esp_cam_ctlr_t *ctlr);
/**
* @brief Disable ESP CAM controller
*
* @param[in] handle ESP CAM controller handle
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: Invalid argument
* - ESP_ERR_INVALID_STATE: Invalid state
*/
esp_err_t (*disable)(esp_cam_ctlr_t *ctlr);
/**
* @brief Receive data to the given transaction
*
* @param[in] handle ESP CAM controller handle
* @param[in] trans ESP CAM controller transaction type
* @param[in] timeout_ms Timeout in ms
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: Invalid argument
* - ESP_ERR_INVALID_STATE: Invalid state
*/
esp_err_t (*receive)(esp_cam_ctlr_t *ctlr, esp_cam_ctlr_trans_t *trans, uint32_t timeout_ms);
/**
* @brief Delete ESP CAM controller handle
*
* @param[in] handle ESP CAM controller handle
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: Invalid argument
* - ESP_ERR_INVALID_STATE: Invalid state
*/
esp_err_t (*del)(esp_cam_ctlr_t *ctlr);
/**
* @brief Register ESP CAM controller event callbacks
*
* @param[in] handle ESP CAM controller handle
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: Invalid argument
* - ESP_ERR_INVALID_STATE: Invalid state
*/
esp_err_t (*register_event_callbacks)(esp_cam_ctlr_t *ctlr, const esp_cam_ctlr_evt_cbs_t *cbs, void *user_ctx);
/**
* @brief Get ESP CAM controller internal malloced backup buffer(s) addr
*
* @param[in] esp_cam_ctlr_t * ESP CAM controller handle
* @param[in] uint32_t Number of frame buffer(s) to get. This value must be the same as the number of the followed fbN parameters
* @param[out] const void ** Address of the frame buffer 0 (first frame buffer)
* @param[out] ... List of other frame buffers if any
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: Invalid argument
* - ESP_ERR_INVALID_STATE: Invalid driver state
*/
esp_err_t (*get_internal_buffer)(esp_cam_ctlr_t *, uint32_t, const void **, ...);
/**
* @brief Get ESP CAM controller internal backup buffer length
*
* @param[in] esp_cam_ctlr_t * ESP CAM controller handle
* @param[out] size_t * The size of each frame buffer, in bytes.
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: NULL ptr
* - ESP_ERR_INVALID_STATE: Invalid driver state
*/
esp_err_t (*get_buffer_len)(esp_cam_ctlr_t *, size_t *);
void *user_data; ///< User data
};
#ifdef __cplusplus
}
#endif