Merge branch 'change/camera_example_readme_change' into 'master'

example(camera): update some info about camera related examples

See merge request espressif/esp-idf!33637

Author: Icarus113

examples/peripherals/camera/camera_dsi/README.md

@@ -6,7 +6,7 @@
 
 ## Overview
 
-This example demonstrates how to use the esp_driver_cam component to capture camera sensor signals and display it via DSI interface.
+This example demonstrates how to use the esp_driver_cam component to capture camera sensor signals and display it via DSI interface. This example will auto-detect camera sensors via [ESP camera sensor driver](https://components.espressif.com/components/espressif/esp_cam_sensor/versions/0.5.3) and capture camera sensor signals via CSI interface and display it via DSI interface.
 
 ## Usage
 
@@ -15,12 +15,12 @@ The subsections below give only absolutely necessary information. For full steps
 
 ### Hardware Required
 
-This example requires:
-
-- SC2336 or OV5647 camera sensor
+- OV5647 or SC2336 camera sensor, or other camera sensors
 - EK79007 or ILI9881C LCD screen
 - ESP32P4 devkit
 
+**Note:** OV5647 has its own ISP functions, whereas SC2336 is a camera sensor without ISP functions. You can use the ESP on-chip ISP functions to tune the image together with the sensor ISP functions, if the image quality is not as expected.
+
 **Note:** For EK79007 you will need to connect following pins:
 - 5V - 5V
 - GND - GND
@@ -104,6 +104,7 @@ idf.py menuconfig
 
 ```
 Set CONFIG_CAMERA_OV5647 to y
+Set CONFIG_CAMERA_SC2336 to y
 ```
 
 

examples/peripherals/isp/multi_pipelines/README.md

@@ -6,10 +6,14 @@
 
 ## Overview
 
-This example demonstrates how to use the ISP (image signal processor) to work with esp_driver_cam component. This example will capture camera sensor signals via CSI interface and display it via DSI interface. This example enables
+This example demonstrates how to use the ISP (image signal processor) to work with esp_driver_cam component. This example will auto-detect camera sensors via [ESP camera sensor driver](https://components.espressif.com/components/espressif/esp_cam_sensor/versions/0.5.3) and capture camera sensor signals via CSI interface and display it via DSI interface. This example enables following ISP functions:
+
 - ISP AF (auto-focus) feature
 - ISP BF (bayer denoise) feature
 - ISP Sharpen feature
+- ISP Demosaic feature
+- ISP GAMMA feature
+- ISP Color feature
 
 ## Usage
 
@@ -20,10 +24,18 @@ The subsections below give only absolutely necessary information. For full steps
 
 This example requires:
 
-- OV5647 camera sensor with VCM (Voice Coil Motor). The VCM used in this example is DW9714.
-- ILI9881C LCD screen
+- OV5647 or SC2336 camera sensor, or other camera sensors
+- EK79007 or ILI9881C LCD screen
 - ESP32P4 devkit
 
+**Note:** OV5647 has its own ISP functions, whereas SC2336 is a camera sensor without ISP functions. You can use the ESP on-chip ISP functions to tune the image together with the sensor ISP functions, if the image quality is not as expected.
+
+**Note:** For EK79007 you will need to connect following pins:
+- 5V - 5V
+- GND - GND
+- RST_LCD - 3V3
+
+You can also connect camera sensors and LCD screens from other vendors to the ESP chip, you can find corresponding camera or LCD drivers from [ESP Component Registry](https://components.espressif.com), or design your own customized drivers.
 
                                    GND                                                                   GND
                 ┌────────────────────────────────────────────────┐             ┌─────────────────────────────────────────────────────────┐
@@ -43,7 +55,7 @@ This example requires:
     │                     ├──────────────────────┤                                                │      DSI DATA 1N          │                      │
     │                     │                      │                                                ├───────────────────────────┤                      │
     │                     │ CSI DATA 1N          │                  ESP32-P4                      │                           │                      │
-    │       OV5647        ├──────────────────────┤                                                │      DSI CLK N            │      ILI9881C        │
+    │       Camera        ├──────────────────────┤                                                │      DSI CLK N            │      LCD Screen      │
     │                     │                      │                                                ├───────────────────────────┤                      │
     │                     │ CSI CLK N            │                                                │                           │                      │
     │                     ├──────────────────────┤                                                │      DSI CLK P            │                      │
@@ -100,6 +112,7 @@ idf.py menuconfig
 
 ```
 Set CONFIG_CAMERA_OV5647 to y
+Set CONFIG_CAMERA_SC2336 to y
 ```
 
 

examples/peripherals/ppa/ppa_dsi/README.md

@@ -19,9 +19,14 @@ The subsections below give only absolutely necessary information. For full steps
 
 This example requires:
 
-- ILI9881C LCD screen
+- EK79007 or ILI9881C LCD screen
 - ESP32P4 devkit
 
+**Note:** For EK79007 you will need to connect following pins:
+- 5V - 5V
+- GND - GND
+- RST_LCD - 3V3
+
 
                                                                   GND
                                         ┌─────────────────────────────────────────────────────────┐
@@ -41,7 +46,7 @@ This example requires:
           │                                                │      DSI DATA 1N          │                      │
           │                                                ├───────────────────────────┤                      │
           │                  ESP32-P4                      │                           │                      │
-          │                                                │      DSI CLK N            │      ILI9881C        │
+          │                                                │      DSI CLK N            │      LCD Screen      │
           │                                                ├───────────────────────────┤                      │
           │                                                │                           │                      │
           │                                                │      DSI CLK P            │                      │