From 67201b046b3febb1ec0d5dd732eda0126ee51eaa Mon Sep 17 00:00:00 2001
From: Saumit Dinesan <justsaumit@protonmail.com>
Date: Sun, 7 May 2023 16:03:11 +0530
Subject: CamTest: Update camtest to use PiCamera for newer 64-bit OS release
 and latest camera-stack

---
 CamTest.py | 17 ++++++++-------
 README.md  | 71 ++++++++++++++++++++++++++++++++------------------------------
 2 files changed, 47 insertions(+), 41 deletions(-)

diff --git a/CamTest.py b/CamTest.py
index 8544116..01d159c 100644
--- a/CamTest.py
+++ b/CamTest.py
@@ -1,17 +1,20 @@
 import cv2
-
+from picamera2 import Picamera2
 # Setting the video capture source to default (0)
-cap = cv2.VideoCapture(0)
+cam = Picamera2()
 
 # Setting the resolution of the video capture
-cap.set(cv2.CAP_PROP_FRAME_WIDTH, 640)
-cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 480)
+cam.preview_configuration.main.size = (1280,720)
+cam.preview_configuration.main.format = "RGB888"
+cam.preview_configuration.align()
+cam.configure("preview")
+cam.start()
 
 # While loop to continuously capture frames from camera
 while True:
     # Read a frame from the camera
-    ret, frame = cap.read()
-    #frame = cv2.flip(frame, -1) # Flip camera vertically
+    frame=cam.capture_array()
+
     # Convert frame from BGR to grayscale
     gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
     
@@ -27,5 +30,5 @@ while True:
         break
 
 # Release the camera and close all windows
-cap.release()
+cam.release()
 cv2.destroyAllWindows()
diff --git a/README.md b/README.md
index 85edbb0..c78f415 100644
--- a/README.md
+++ b/README.md
@@ -121,35 +121,7 @@ The command **libcamera-jpeg** will capture a still image using the camera modul
 
 **Test image taken by Raspberry Pi Camera Module** (Click on it for full-size)
 
-## 5. Install dependencies and test the LCD1602 LCD Display with I2C
-
-1. Install the libraries and i2cctools package
-```bash
-sudo apt install i2c-tools libi2c-dev
-```
-2. Enter the lcd-ipaddress-display subdirectory in this project
-```bash
-cd lcd-ipaddress-display
-```
-3. Install python modules `smbus` and `RPi.GPIO` to communicate with I2C devices using python scripts
-```bash
-pip install smbus RPi.GPIO
-```
-OR
-```bash
-pip install -r requirements.txt
-```
-4. Execute the python script to display Local IP Address:
-```bash
-python dispip.py
-```
-**Note:** The python script will only work correctly when it is located in the lcd-ipaddress-display directory, as the drivers directory is imported in the code as a library.
-
-<img src="media/lcddisplay-test.jpg" alt="Test image of LCD display showing the Local IP Address">
-
-**Test image of LCD display in the setup showing the Local IP Address**
-
-## 6. Testing the Face-Recognition Application
+## 5. Testing the Face-Recognition Application
 
 To test the camera for the application, follow these steps:
 
@@ -179,7 +151,11 @@ source .venv/bin/activate
 ``` bash
 pip install -r requirements.txt
 ```
-
+*Note!* Picamera2 is recommended to install using apt. Hence, till it's stable version is not released it won't be included in requirements.txt. Read more [here](https://pypi.org/project/picamera2/)
+Use the following command to install Picamera2
+``` bash
+sudo apt install -y python3-picamera2
+```
 6. Change to the parent directory of opencv-face-recognition.
 ``` bash
 cd ..
@@ -187,13 +163,40 @@ cd ..
 
 7. Run the "CamTest.py" script.
 ``` bash
-python opencv-face-recognition/CamTest.py
+python CamTest.py
+```
+Once the script starts running, it will use the Camera Module to show the captured frames.
+
+8. Press 'Esc' or 'q' to quit the script.
+Press Escape key or qto stop the script when you are done.
+
+## 6. Install dependencies and test the LCD1602 LCD Display with I2C
+
+1. Install the libraries and i2cctools package
+```bash
+sudo apt install i2c-tools libi2c-dev
+```
+2. Enter the lcd-ipaddress-display subdirectory in this project
+```bash
+cd lcd-ipaddress-display
+```
+3. Install python modules `smbus` and `RPi.GPIO` to communicate with I2C devices using python scripts
+```bash
+pip install smbus RPi.GPIO
+```
+OR
+```bash
+pip install -r requirements.txt
 ```
-Once the script starts running, it will use your webcam to detect faces in the video feed.
+4. Execute the python script to display Local IP Address:
+```bash
+python dispip.py
+```
+**Note:** The python script will only work correctly when it is located in the lcd-ipaddress-display directory, as the drivers directory is imported in the code as a library.
 
-8. Press 'Esc' to quit the script.
-Press Escape key to stop the script when you are done.
+<img src="media/lcddisplay-test.jpg" alt="Test image of LCD display showing the Local IP Address">
 
+**Test image of LCD display in the setup showing the Local IP Address**
 
 ## Wireless Adapter
 
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