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esp32cam-demo
kopia lustrzana https://github.com/alanesq/esp32cam-demo
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Update ESP32cam-demo.ino

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Alan 2023-10-16 08:06:11 +01:00 zatwierdzone przez GitHub
rodzic 98a335f04f
commit e275ba3ce9
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ESP32cam-demo.ino
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@ -88,7 +88,7 @@
// ---------------------------------------------------------------
char* stitle = "ESP32Cam-demo"; // title of this sketch
char* sversion = "15oct23"; // Sketch version
char* sversion = "16oct23"; // Sketch version
bool sendRGBfile = 0; // if set '/rgb' will just return raw rgb data which can be saved as a file rather than display a HTML pag
@ -942,11 +942,14 @@ void handleRoot() {
// links to the other pages available
client.write("<br><br>LINKS: \n");
client.write("<a href='/photo'>Capture an image</a> - \n");
client.write("<a href='/photo'>Store image</a> - \n");
client.write("<a href='/img'>View stored image</a> - \n");
client.write("<a href='/rgb'>Capture frame and display as RGB data</a> - \n");
client.write("<a href='/greydata'>Capture Greyscale frame as data</a> - \n");
client.write("<a href='/rgb'>RGB frame as data</a> - \n");
client.write("<a href='/greydata'>Greyscale frame as data</a> \n");
client.write("<br>");
client.write("<a href='/stream'>Live stream</a> - \n");
client.write("<a href='/jpg'>JPG</a> - \n");
client.write("<a href='/jpeg'>Updating JPG</a> - \n");
client.write("<a href='/test'>Test procedure</a>\n");
// addnl info if sd card present
@ -1538,6 +1541,7 @@ void handleJpeg() {
// ----------------------------------------------------------------
// resize greyscale image
// ----------------------------------------------------------------
// Thanks to Bard A.I. for writing this for me ;-)
// src_buf: The source image buffer.
// src_width: The width of the source image buffer.
// src_height: The height of the source image buffer.
@ -1575,14 +1579,14 @@ void readGreyscaleImage() {
WiFiClient client = server.client(); // open link with client
// html header
// html header
sendHeader(client, "Access greyscale image data");
// change camera to greyscale mode (as by default it is in JPG colour mode)
// change camera to greyscale mode (by default it is in JPG colour mode)
esp_camera_deinit(); // disable camera
delay(50);
config.pixel_format = PIXFORMAT_GRAYSCALE; // change camera setting to greyscale (default is JPG)
initialiseCamera(0); // restart the camera without resetting the camera settings
initialiseCamera(0); // restart the camera (0 = without resetting all the other camera settings)
// capture the image and use flash if required
int currentBrightness = brightLEDbrightness;
@ -1609,21 +1613,20 @@ void readGreyscaleImage() {
client.println("<br>Greyscale Image: The average brightness of the " + String(dataSize) + " pixels is " + String(avrg / dataSize));
client.write("<br><br><a href='/'>Return</a>\n"); // link back
// resize image
int newWidth = 64; int newHeight = 32;
// resize the image
int newWidth = 100; int newHeight = 21;
byte newBuf[newWidth * newHeight];
resize_esp32cam_image_buffer(fb->buf, fb->width, fb->height, newBuf, newWidth, newHeight);
// display image
char asciiArt[] = {'@','#','+','!',':','.',' '}; // dark to light characters
const int noAsciiChars = 7; // number of characters
// display image as asciiArt
char asciiArt[] = {' ','.',',',':',';','+','*','?','%','S','#','@'}; // characters to use (light to dark)
int noAsciiChars = sizeof(asciiArt) / sizeof(asciiArt[0]); // number of characters available
client.write("<br><pre>");
for (int y=0; y < newHeight; y++) {
client.write("</pre><pre>");
for (int x=0; x < newWidth; x++) {
int tpos = map(newBuf[y*newWidth+x],0,255,0,noAsciiChars-1);
client.write(asciiArt[tpos]);
client.write(asciiArt[noAsciiChars - tpos]);
}
}
client.write("<br></pre>");
@ -1641,7 +1644,7 @@ void readGreyscaleImage() {
// change camera back to JPG mode
esp_camera_deinit();
delay(50);
initialiseCamera(1); // reset settings
initialiseCamera(1); // reset settings (1=apply the cameras settings which includes JPG mode)
}