Feb 23, 2021 · Feb 22, 2021 · Feb 22, 2021 · Feb 22, 2021 · Feb 22, 2021 · Feb 23, 2021
diff --git a/libraries/Portenta_Camera/examples/CameraCaptureRawBytes/CameraCaptureRawBytes.ino b/libraries/Portenta_Camera/examples/CameraCaptureRawBytes/CameraCaptureRawBytes.ino
 uint8_t fb[320*240];

 void setup() {

  Serial.begin(921600);
  Serial.begin(921600);

  // Init the cam QVGA, 30FPS
  cam.begin(CAMERA_R320x240, 30);
 }

 void loop() {
  // put your main code here, to run repeatedly:
  if (Serial) {
    // Grab frame and write to serial
    if (cam.grab(fb) == 0) {
       Serial.write(fb, 320*240);
    }

  // Wait until the receiver acknowledges
  // that they are ready to receive new data
  while(Serial.read() != 1){};

  // Grab frame and write to serial
  if (cam.grab(fb) == 0) {
     Serial.write(fb, 320*240);
  }

 }
diff --git a/libraries/Portenta_Camera/extras/CameraRawBytesVisualizer/CameraRawBytesVisualizer.pde b/libraries/Portenta_Camera/extras/CameraRawBytesVisualizer/CameraRawBytesVisualizer.pde
 final int cameraWidth = 320;
 final int cameraHeight = 240;
 final int cameraBytesPerPixel = 1;
 final int bytesPerFrame = cameraWidth * cameraHeight * cameraBytesPerPixel;
 final int cameraPixelCount = cameraWidth * cameraHeight;
 final int bytesPerFrame = cameraPixelCount * cameraBytesPerPixel;

 PImage myImage;
 byte[] frameBuffer = new byte[bytesPerFrame];
 int lastUpdate = 0;
 boolean shouldRedraw = false;

 void setup()
 {
 void setup() {
  size(640, 480);

  // if you have only ONE serial port active
  //myPort = new Serial(this, Serial.list()[0],9600);          // if you have only ONE serial port active
  //myPort = new Serial(this, Serial.list()[0],921600);          // if you have only ONE serial port active

  // if you know the serial port name
  //myPort = new Serial(this, "COM5",9600);                    // Windows
  myPort = new Serial(this, "/dev/ttyACM0", 921600);            // Linux
 //myPort = new Serial(this, "/dev/cu.usbmodem14401",9600);     // Mac
  //myPort = new Serial(this, "COM5",921600);                    // Windows
 //myPort = new Serial(this, "/dev/ttyACM0", 921600);            // Linux
  myPort = new Serial(this, "/dev/cu.usbmodem14401",921600);     // Mac

  // wait for full frame of bytes
  myPort.buffer(bytesPerFrame);

  myImage = createImage(cameraWidth, cameraHeight, ALPHA);

  // Let the Arduino sketch know we're ready to receive data
  myPort.write(1);
 }

 void draw()
 {
  PImage img = myImage.copy();
  img.resize(640, 480);
  image(img, 0, 0);
 void draw() {
  // Time out after 1.5 seconds and ask for new data
  if(millis() - lastUpdate > 1500) {
    println("Connection timed out.");
    myPort.clear();
    myPort.write(1);
  }

  if(shouldRedraw){
    PImage img = myImage.copy();
    img.resize(640, 480);
    image(img, 0, 0);
    shouldRedraw = false;
  }
 }

 void serialEvent(Serial myPort) {
  // read the saw bytes in
  lastUpdate = millis();

  // read the received bytes
  myPort.readBytes(frameBuffer);

  //access raw bytes via byte buffer
  //Access raw bytes via byte buffer
  ByteBuffer bb = ByteBuffer.wrap(frameBuffer);
  bb.order(ByteOrder.BIG_ENDIAN);

  /*
    Ensure proper endianness of the data for > 8 bit values.
    When using > 8bit values uncomment the following line and
    adjust the translation to the pixel color.
  */
  //bb.order(ByteOrder.BIG_ENDIAN);

  int i = 0;

  while (bb.hasRemaining()) {
    // read 16-bit pixel
    byte p = bb.get();

    // read 8-bit pixel
    byte pixelValue = bb.get();

    // set pixel color
    myImage.pixels[i++] = color(Byte.toUnsignedInt(p));
    myImage.pixels[i++] = color(Byte.toUnsignedInt(pixelValue));
  }
 myImage.updatePixels();


  myImage.updatePixels();

  // Ensures that the new image data is drawn in the next draw loop
  shouldRedraw = true;

  // Let the Arduino sketch know we received all pixels
  // and are ready for the next frame
  myPort.write(1);
 }
Original file line number	Diff line number	Diff line change
Expand Up		@@ -4,19 +4,22 @@ CameraClass cam;
		uint8_t fb[320*240];

		void setup() {

		Serial.begin(921600);
		Serial.begin(921600);

		// Init the cam QVGA, 30FPS
		cam.begin(CAMERA_R320x240, 30);
		}

		void loop() {
		// put your main code here, to run repeatedly:
		if (Serial) {
		// Grab frame and write to serial
		if (cam.grab(fb) == 0) {
		Serial.write(fb, 320*240);
		}

		// Wait until the receiver acknowledges
		// that they are ready to receive new data
		while(Serial.read() != 1){};

		// Grab frame and write to serial
		if (cam.grab(fb) == 0) {
		Serial.write(fb, 320*240);
		}

		}
Original file line number	Diff line number	Diff line change
Expand Up		@@ -16,54 +16,82 @@ Serial myPort;
		final int cameraWidth = 320;
		final int cameraHeight = 240;
		final int cameraBytesPerPixel = 1;
		final int bytesPerFrame = cameraWidth * cameraHeight * cameraBytesPerPixel;
		final int cameraPixelCount = cameraWidth * cameraHeight;
		final int bytesPerFrame = cameraPixelCount * cameraBytesPerPixel;

		PImage myImage;
		byte[] frameBuffer = new byte[bytesPerFrame];
		int lastUpdate = 0;
		boolean shouldRedraw = false;

		void setup()
		{
		void setup() {
		size(640, 480);

		// if you have only ONE serial port active
		//myPort = new Serial(this, Serial.list()[0],9600); // if you have only ONE serial port active
		//myPort = new Serial(this, Serial.list()[0],921600); // if you have only ONE serial port active

		// if you know the serial port name
		//myPort = new Serial(this, "COM5",9600); // Windows
		myPort = new Serial(this, "/dev/ttyACM0", 921600); // Linux
		//myPort = new Serial(this, "/dev/cu.usbmodem14401",9600); // Mac
		//myPort = new Serial(this, "COM5",921600); // Windows
		//myPort = new Serial(this, "/dev/ttyACM0", 921600); // Linux
		myPort = new Serial(this, "/dev/cu.usbmodem14401",921600); // Mac

		// wait for full frame of bytes
		myPort.buffer(bytesPerFrame);

		myImage = createImage(cameraWidth, cameraHeight, ALPHA);

		// Let the Arduino sketch know we're ready to receive data
		myPort.write(1);
		}

		void draw()
		{
		PImage img = myImage.copy();
		img.resize(640, 480);
		image(img, 0, 0);
		void draw() {
		// Time out after 1.5 seconds and ask for new data
		if(millis() - lastUpdate > 1500) {
		println("Connection timed out.");
		myPort.clear();
		myPort.write(1);
		}

		if(shouldRedraw){
		PImage img = myImage.copy();
		img.resize(640, 480);
		image(img, 0, 0);
		shouldRedraw = false;
		}
		}

		void serialEvent(Serial myPort) {
		// read the saw bytes in
		lastUpdate = millis();

		// read the received bytes
		myPort.readBytes(frameBuffer);

		//access raw bytes via byte buffer
		//Access raw bytes via byte buffer
		ByteBuffer bb = ByteBuffer.wrap(frameBuffer);
		bb.order(ByteOrder.BIG_ENDIAN);

		/*
		Ensure proper endianness of the data for > 8 bit values.
		When using > 8bit values uncomment the following line and
		adjust the translation to the pixel color.
		*/
		//bb.order(ByteOrder.BIG_ENDIAN);

		int i = 0;

		while (bb.hasRemaining()) {
		// read 16-bit pixel
		byte p = bb.get();

		// read 8-bit pixel
		byte pixelValue = bb.get();

		// set pixel color
		myImage.pixels[i++] = color(Byte.toUnsignedInt(p));
		myImage.pixels[i++] = color(Byte.toUnsignedInt(pixelValue));
		}
		myImage.updatePixels();


		myImage.updatePixels();

		// Ensures that the new image data is drawn in the next draw loop
		shouldRedraw = true;

		// Let the Arduino sketch know we received all pixels
		// and are ready for the next frame
		myPort.write(1);
		}