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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_cam_ctlr_get_frame_buffer_len()

esp_cam_ctlr_get_frame_buffer_len() function

Get ESP CAM controller internal backup buffer length

Syntax

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Summary

Declaration

Definition

from esp_cam_ctlr.h:133

esp_err_t esp_cam_ctlr_get_frame_buffer_len(esp_cam_ctlr_handle_t handle, size_t *ret_fb_len);

Implemented in esp_cam_ctlr.c:79

Arguments

Argument

Description

handle

ESP CAM controller handle

ret_fb_len

Optional, The size of each frame buffer, in bytes.

Return value

- ESP_OK - ESP_ERR_INVALID_ARG: NULL ptr - ESP_ERR_INVALID_STATE: Invalid driver state

References

Code

Location

esp_err_t esp_cam_ctlr_get_frame_buffer_len(esp_cam_ctlr_handle_t handle, size_t *ret_fb_len)

esp_cam_ctlr.c:79

esp_err_t esp_cam_ctlr_get_frame_buffer_len(esp_cam_ctlr_handle_t handle, size_t *ret_fb_len);

esp_cam_ctlr.h:133

Call Tree

esp_cam_ctlr_get_frame_buffer_len() calls 3 functions:

esp_cam_ctlr_get_frame_buffer_len()

esp_log_timestamp()

esp_log_write()

esp_cam_ctlr_t::get_buffer_len

Data Use

esp_cam_ctlr_get_frame_buffer_len() reads 7 variables:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

esp_cam_ctlr_t::get_buffer_len

TAG

esp_cam_ctlr_get_frame_buffer_len()

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esp_cam_ctlr_get_frame_buffer_len() function

Syntax

Arguments

Return value

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