kopia lustrzana https://github.com/alanesq/esp32cam-demo
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0f866e83de
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6418874f30
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@ -661,8 +661,10 @@ void handleNotFound() {
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// note: I do not know how high resolution you can go and not run out of memory
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void readRGBImage() {
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Serial.println("Reading camera image as RGB");
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String tHTML = "LIVE IMAGE AS RGB DATA: "; // reply to send to web client
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uint32_t resultsToShow = 40; // how much data to display
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String tReply = "LIVE IMAGE AS RGB DATA: "; // reply to send to web client and serial port
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// capture live image (jpg)
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camera_fb_t * fb = NULL;
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@ -670,7 +672,7 @@ void readRGBImage() {
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// allocate memory to store rgb data
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void *ptrVal = NULL;
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int ARRAY_LENGTH = I_WIDTH * I_HEIGHT * 3; // pixels in the image image x 3
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uint32_t ARRAY_LENGTH = I_WIDTH * I_HEIGHT * 3; // pixels in the image image x 3
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ptrVal = heap_caps_malloc(ARRAY_LENGTH, MALLOC_CAP_SPIRAM);
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uint8_t *rgb = (uint8_t *)ptrVal;
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@ -678,28 +680,22 @@ void readRGBImage() {
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fmt2rgb888(fb->buf, fb->len, PIXFORMAT_JPEG, rgb);
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// display some of the result
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int resultsToShow = 40; // how much data to display
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String tOut;
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Serial.println("RGB data: ");
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for (uint32_t i = 0; i < resultsToShow; i++) {
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// const uint16_t x = i % I_WIDTH;
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// const uint16_t y = floor(i / I_WIDTH);
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tOut = "";
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if (i%3 == 0) tOut="R";
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if (i%3 == 1) tOut="G";
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if (i%3 == 2) tOut="B";
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tOut+= String(rgb[i]);
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tOut+=",";
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Serial.print(tOut);
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tHTML+=tOut;
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// // x and y coordinate of the pixel
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// uint16_t x = i % I_WIDTH;
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// uint16_t y = floor(i / I_WIDTH);
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if (i%3 == 0) tReply+=",B";
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else if (i%3 == 1) tReply+=",G";
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else if (i%3 == 2) tReply+=",R";
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tReply+= String(rgb[i]);
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}
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Serial.println();
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// free up memory
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esp_camera_fb_return(fb);
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heap_caps_free(ptrVal);
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server.send ( 404, "text/plain", tHTML );
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Serial.println(tReply);
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server.send ( 404, "text/plain", tReply);
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}
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