ti_mo
119 lines
3.3 KiB
Arduino
119 lines
3.3 KiB
Arduino
#include "esp_camera.h"
|
|
#define CAMERA_MODEL_AI_THINKER
|
|
#include "camera_pins.h"
|
|
#include <String>
|
|
|
|
void init_camera(){
|
|
camera_config_t config;
|
|
config.ledc_channel = LEDC_CHANNEL_0;
|
|
config.ledc_timer = LEDC_TIMER_0;
|
|
config.pin_d0 = Y2_GPIO_NUM;
|
|
config.pin_d1 = Y3_GPIO_NUM;
|
|
config.pin_d2 = Y4_GPIO_NUM;
|
|
config.pin_d3 = Y5_GPIO_NUM;
|
|
config.pin_d4 = Y6_GPIO_NUM;
|
|
config.pin_d5 = Y7_GPIO_NUM;
|
|
config.pin_d6 = Y8_GPIO_NUM;
|
|
config.pin_d7 = Y9_GPIO_NUM;
|
|
config.pin_xclk = XCLK_GPIO_NUM;
|
|
config.pin_pclk = PCLK_GPIO_NUM;
|
|
config.pin_vsync = VSYNC_GPIO_NUM;
|
|
config.pin_href = HREF_GPIO_NUM;
|
|
config.pin_sccb_sda = SIOD_GPIO_NUM;
|
|
config.pin_sccb_scl = SIOC_GPIO_NUM;
|
|
config.pin_pwdn = PWDN_GPIO_NUM;
|
|
config.pin_reset = RESET_GPIO_NUM;
|
|
config.xclk_freq_hz = 20000000;
|
|
config.frame_size = FRAMESIZE_UXGA;
|
|
// config.pixel_format = PIXFORMAT_JPEG; // for streaming
|
|
config.pixel_format = PIXFORMAT_RGB565; // for face detection/recognition
|
|
config.grab_mode = CAMERA_GRAB_WHEN_EMPTY;
|
|
config.fb_location = CAMERA_FB_IN_PSRAM;
|
|
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 (config.pixel_format == PIXFORMAT_JPEG) {
|
|
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_WQXGA;
|
|
config.fb_location = CAMERA_FB_IN_DRAM;
|
|
}
|
|
} else {
|
|
// Best option for face detection/recognition
|
|
config.frame_size = /*FRAMESIZE_QVGA;*/ FRAMESIZE_HVGA;
|
|
#if CONFIG_IDF_TARGET_ESP32S3
|
|
config.fb_count = 2;
|
|
#endif
|
|
}
|
|
|
|
#if defined(CAMERA_MODEL_ESP_EYE)
|
|
pinMode(13, INPUT_PULLUP);
|
|
pinMode(14, INPUT_PULLUP);
|
|
#endif
|
|
|
|
// 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
|
|
if (s->id.PID == OV3660_PID) {
|
|
s->set_vflip(s, 1); // flip it back
|
|
s->set_brightness(s, 1); // up the brightness just a bit
|
|
s->set_saturation(s, -2); // lower the saturation
|
|
}
|
|
// drop down frame size for higher initial frame rate
|
|
if (config.pixel_format == PIXFORMAT_JPEG) {
|
|
s->set_framesize(s, FRAMESIZE_QVGA);
|
|
}
|
|
|
|
#if defined(CAMERA_MODEL_M5STACK_WIDE) || defined(CAMERA_MODEL_M5STACK_ESP32CAM)
|
|
s->set_vflip(s, 1);
|
|
s->set_hmirror(s, 1);
|
|
#endif
|
|
|
|
#if defined(CAMERA_MODEL_ESP32S3_EYE)
|
|
s->set_vflip(s, 1);
|
|
#endif
|
|
}
|
|
|
|
void setup() {
|
|
Serial.begin(921600);
|
|
Serial.setDebugOutput(true);
|
|
Serial.println();
|
|
|
|
init_camera();
|
|
}
|
|
|
|
void loop() {
|
|
static int64_t last_frame = 0;
|
|
|
|
camera_fb_t *framebuffer = esp_camera_fb_get();
|
|
if(!framebuffer) return;
|
|
|
|
uint8_t *image_buffer = NULL;
|
|
size_t image_buffer_len = 0;
|
|
|
|
bool is_converted = frame2jpg(framebuffer, 80, &image_buffer, &image_buffer_len);
|
|
esp_camera_fb_return(framebuffer);
|
|
framebuffer = NULL;
|
|
if(!is_converted) return;
|
|
|
|
Serial.write((const char*)image_buffer, image_buffer_len);
|
|
Serial.write("\4\r\n", 3);
|
|
|
|
if(image_buffer) {
|
|
free(image_buffer);
|
|
image_buffer = NULL;
|
|
}
|
|
}
|