Freenove ESP32-S3 User Manual

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Chapter 8 Camera Tcp Server
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config.jpeg_quality = 12;
config.fb_count = 1;
// if PSRAM IC present, init with UXGA resolution and higher JPEG quality
// for larger pre-allocated frame buffer.
if(psramFound()){
config.jpeg_quality = 10;
config.fb_count = 2;
config.grab_mode = CAMERA_GRAB_LATEST;
} else {
// Limit the frame size when PSRAM is not available
config.frame_size = FRAMESIZE_SVGA;
config.fb_location = CAMERA_FB_IN_DRAM;
}
// camera init
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
sensor_t * s = esp_camera_sensor_get();
// initial sensors are flipped vertically and colors are a bit saturated
s->set_vflip(s, 1); // flip it back
s->set_brightness(s, 1); // up the brightness just a bit
s->set_saturation(s, 0); // lower the saturation
Serial.println("Camera configuration complete!");
}
Loop function will constantly send camera data obtained to mobile phone APP.
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while (client.connected()) {
fb = esp_camera_fb_get();
if (fb != NULL) {
uint8_t slen[4];
slen[0] = fb->len >> 0;
slen[1] = fb->len >> 8;
slen[2] = fb->len >> 16;
slen[3] = fb->len >> 24;
client.write(slen, 4);
client.write(fb->buf, fb->len);
esp_camera_fb_return(fb);
}
else {

Freenove ESP32-S3 Specifications

General

Brand	Freenove
Model	ESP32-S3
Category	Control Unit
Language	English