mirror
/
esp32cam-demo
kopia lustrzana https://github.com/alanesq/esp32cam-demo
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność

Update ESP32cam-demo.ino

master
Alan 2023-10-24 17:33:51 +01:00 zatwierdzone przez GitHub
rodzic c86cc792b4
commit 0bc1071e2a
Nie znaleziono w bazie danych klucza dla tego podpisu
ID klucza GPG: 4AEE18F83AFDEB23
1 zmienionych plików z 20 dodań i 14 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

34
ESP32cam-demo.ino
Wyświetl plik

@ -59,6 +59,9 @@
// ======================================
/* // delete this line //
#define SSID_NAME "<WIFI SSID>"
#define SSID_PASWORD "<WIFI PASSWORD>"
@ -68,6 +71,9 @@
*/ // delete this line //
// ---------------------------------------------------------------------------------------------------------
// Required by PlatformIO
@ -93,8 +99,8 @@
void brightLed(byte); // turn the onboard flash LED on/off with varying brightness
void setupFlashPWM(); // set up the PWM for the above flash
void handleData(); // the root web page requests this periodically via Javascript in order to display updating information
void readGreyscaleImage(); // demo capturing a greyscale image and reading its raw RGB data
void resize_esp32cam_image_buffer(uint8_t*, int, int, uint8_t*, int, int); // this resizes a captured greyscale image (used by above)
void readGrayscaleImage(); // demo capturing a grayscale image and reading its raw RGB data
void resize_esp32cam_image_buffer(uint8_t*, int, int, uint8_t*, int, int); // this resizes a captured grayscale image (used by above)
// ---------------------------------------------------------------
@ -102,7 +108,7 @@
// ---------------------------------------------------------------
char* stitle = "ESP32Cam-demo"; // title of this sketch
char* sversion = "18oct23"; // Sketch version
char* sversion = "22oct23"; // 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
@ -278,7 +284,7 @@ void setup() {
server.on("/photo", handlePhoto); // save image to sd card
server.on("/img", handleImg); // show image from sd card
server.on("/rgb", readRGBImage); // demo converting image to RGB
server.on("/greydata", readGreyscaleImage); // look at greyscale image data
server.on("/graydata", readGrayscaleImage); // look at grayscale image data
server.on("/test", handleTest); // Testing procedure
server.on("/reboot", handleReboot); // restart device
server.onNotFound(handleNotFound); // invalid url requested
@ -467,7 +473,7 @@ if (reset) {
}
// check the esp32cam board has a psram chip installed (extra memory used for storing captured images)
// Note: if not using "AI thinker esp32 cam" in the Arduino IDE, SPIFFS must be enabled
// Note: if not using "AI thinker esp32 cam" in the Arduino IDE, PSRAM must be enabled
if (!psramFound()) {
if (serialDebug) Serial.println("Warning: No PSRam found so defaulting to image size 'CIF'");
config.frame_size = FRAMESIZE_CIF;
@ -977,7 +983,7 @@ void handleRoot() {
client.write("<a href='/photo'>Store image</a> - \n");
client.write("<a href='/img'>View stored image</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("<a href='/graydata'>Grayscale 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");
@ -1577,7 +1583,7 @@ void handleJpeg() {
// ----------------------------------------------------------------
// resize greyscale image
// resize grayscale image
// ----------------------------------------------------------------
// Thanks to Bard A.I. for writing this for me ;-)
// src_buf: The source image buffer.
@ -1610,20 +1616,20 @@ void resize_esp32cam_image_buffer(uint8_t* src_buf, int src_width, int src_heigh
// ----------------------------------------------------------------
// Capture greyscale image data
// Capture grayscale image data
// ----------------------------------------------------------------
void readGreyscaleImage() {
void readGrayscaleImage() {
WiFiClient client = server.client(); // open link with client
// html header
sendHeader(client, "Access greyscale image data");
sendHeader(client, "Access grayscale image data");
// change camera to greyscale mode (by default it is in JPG colour mode)
// change camera to grayscale mode (by default it is in JPG colour mode)
esp_camera_deinit(); // disable camera
delay(camChangeDelay);
config.pixel_format = PIXFORMAT_GRAYSCALE; // change camera setting to greyscale (default is JPG)
config.pixel_format = PIXFORMAT_GRAYSCALE; // change camera setting to grayscale (default is JPG)
initialiseCamera(0); // restart the camera (0 = without resetting all the other camera settings)
cameraImageSettings();
@ -1651,7 +1657,7 @@ void readGreyscaleImage() {
if (pixelVal < minV) minV = pixelVal;
}
}
client.println("Greyscale Image: The lowest value pixel is " + String(minV) + ", the highest is " + String(maxV));
client.println("grayscale Image: The lowest value pixel is " + String(minV) + ", the highest is " + String(maxV));
client.write("<br><br><a href='/'>Return</a>\n"); // link back
// resize the image
@ -1660,7 +1666,7 @@ void readGreyscaleImage() {
resize_esp32cam_image_buffer(fb->buf, fb->width, fb->height, newBuf, newWidth, newHeight);
// display image as asciiArt
char asciiArt[] = {'@','#','S','%','?','*','+',';',':',',','.',' '}; // characters to use
char asciiArt[] = {'@','#','S','%','?','*','+',';',':',',','.',' ',' '}; // characters to use
int noAsciiChars = sizeof(asciiArt) / sizeof(asciiArt[0]); // number of characters available
client.write("<br><pre style='line-height: 1.1;'>"); // 'pre' stops variable character spacing, 'line-heigh' adjusts spacing between lines - 0.2
for (int y=0; y < newHeight; y++) {