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Experimental Proof of Concept enabling Sony IMX219 (RPi Camera v2) color streaming on ESP32-P4 via MIPI CSI-2 and software demosaicing (V4L2).
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Experimental Proof of Concept enabling Sony IMX219 (RPi Camera v2) color streaming on ESP32-P4 via MIPI CSI-2 and software demosaicing (V4L2).
This project is a Proof of Concept (PoC) demonstrating how to interface a Sony IMX219 (Raspberry Pi Camera v2) with the ESP32-P4 using the MIPI CSI-2 interface to get a color video stream.
Since the official ISP (Image Signal Processor) driver for the ESP32-P4 is not yet fully available for public use, this project implements a hybrid software/hardware pipeline to bypass the limitation and achieve a color image.
video4linux2 API via esp_video component.demosaic_bggr_to_rgb) to convert RAW10 to RGB888.This configuration uses the standard 15-pin FPC MIPI connector layout found on most ESP32-P4 development boards (e.g., Espressif P4-Function-EV-Board, Waveshare, etc.).
| Pin Function | ESP32-P4 GPIO | Description |
|---|---|---|
| I2C SDA | GPIO 7 | Control Data |
| I2C SCL | GPIO 8 | Control Clock |
| XCLK | GPIO 20 | 24MHz Master Clock (Generated via LEDC) |
| MIPI Lanes | Internal | Uses internal MIPI PHY (2-lane configuration) |
esp_videoesp_cam_sensordriver (LEDC for XCLK)Clone the repository:
git clone [https://github.com/YOUR_USERNAME/ESP32-P4-IMX219-PoC.git](https://github.com/YOUR_USERNAME/ESP32-P4-IMX219-PoC.git)
cd ESP32-P4-IMX219-PoC
Configure Wi-Fi:
Open main/main.c and edit the SSID/PASSWORD definitions (or use menuconfig if implemented).
Build and Flash:
idf.py set-target esp32p4
idf.py build flash monitor
View Stream:
Wait for the log Got IP: ..., then open your browser and navigate to:
http://<ESP32-IP-ADDRESS>/
MIT License.
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