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Waijung 2 User Guide

Navigation: ESP32 target > Block references > Other

Camera control block

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How do these blocks appear in a Simulink model?

camera_control_block_1

What can be configured?

camera_control_block_2

Configuration Parameter

Selectable Option/Value

Description

Brightness

Check--Uncheck

Each parameter will create a input port if it is checked. User can control image configuration while run time in external mode.

Contrast

Saturation

Special effects

White balance

AWB gain

WB mode

Exposure ctrl

AEC2

AE level

AEC value

Gain ctrl

AGC gain

Gainceiling

bpc

wpc

raw_gma

lenc

hmirror

vflip

dcw

colorbar

When to use these blocks?

This block can be used to balance image parameters in runtime. User need to have some knowledge of how to use external mode with the example.

How do these blocks work?

Block will create input ports as user-defined in the mask. Each parameter will be mentioned in the block. To properly use this block it needs to be run under the external mode.

Demo

Demo file : esp32_camera_stream_demo.slx

camera_control_block_3

Description

This demo shows how to use camera control block. Specialty, of this example, is we use external mode to balance camera control parameters while runtime.

 

Video result can be viewed as same as the camera_block examples(web browser/host_pc_camera_receive.slx).

URL to capture still photos: http://[esp32 ip address]:80/capture

URL to live stream the camera feed: http://[esp32 target ip address]:81/stream

 

The SSID and the Password for accessing the target camera are as follows.

SSID: ESP32_CAM

Password: 00000000

 

Press connect button in the external mode control panel when wifi is connected and video is on display. Adjust sliders and press send button to update the esp32 with new values. Users will be able to see changes in the image.

Hardware Setup

1.1 x ESP32 module with camera

2.Host PC with Matlab simulink & WiFi

 

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