DIY_CAM_W_SCREEN

talofer99

Jun 12th, 2025

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Arduino 5.69 KB | Source Code | 0 0

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#include "Arduino.h"
#include "soc/soc.h" // Disable brownour problems
#include "soc/rtc_cntl_reg.h" // Disable brownour problems
#include "driver/rtc_io.h"
#include "esp_camera.h"
#include <JPEGDEC.h>
#include <Arduino_GFX_Library.h>
/* More data bus class: https://github.com/moononournation/Arduino_GFX/wiki/Data-Bus-Class */
Arduino_DataBus *bus = new Arduino_ESP32SPI(15 /*DF_GFX_DC*/, 2 /*DF_GFX_CS*/ , 14 /*DF_GFX_SCK*/, 13/*DF_GFX_MOSI*/, -1 /* DF_GFX_MISO*/, VSPI /* spi_num */);
/* More display class: https://github.com/moononournation/Arduino_GFX/wiki/Display-Class */
Arduino_GFX *gfx = new Arduino_GC9A01(bus, -1 /* RST */, 0 /* rotation */, true /* IPS */);
// Pin definition for CAMERA_MODEL_AI_THINKER
#define PWDN_GPIO_NUM 32
#define RESET_GPIO_NUM -1
#define XCLK_GPIO_NUM 0
#define SIOD_GPIO_NUM 26
#define SIOC_GPIO_NUM 27
#define Y9_GPIO_NUM 35
#define Y8_GPIO_NUM 34
#define Y7_GPIO_NUM 39
#define Y6_GPIO_NUM 36
#define Y5_GPIO_NUM 21
#define Y4_GPIO_NUM 19
#define Y3_GPIO_NUM 18
#define Y2_GPIO_NUM 5
#define VSYNC_GPIO_NUM 25
#define HREF_GPIO_NUM 23
#define PCLK_GPIO_NUM 22
// variables
JPEGDEC jpeg;
byte t = 0;
byte takeNextPhotoFlag = 1;
void setup() {
// for cam init
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable brownout detector // NEEDED ????
// start serial
Serial.begin(115200);
Serial.println("System startred");
// start gfx
Serial.print("Starting gfx ..... ");
gfx->begin();
gfx->fillScreen(BLACK);
gfx->setTextColor(RED);
gfx->setTextSize(2, 2, 1);
gfx->setCursor(45, 75);
gfx->println("GFX -> OK");
Serial.println("Done");
// start camera
Serial.print("Starting camera init ..... ");
gfx->setCursor(45, 110);
gfx->println("Cam ->");
initCamera();
gfx->setCursor(95, 110);
gfx->println("OK");
Serial.println("Done");
// gfx->setCursor(25, 145);
// gfx->println("Watching!");
delay(4000); // 4 seconds
}
void loop() {
// if takeNextPhotoFlag is set
if (takeNextPhotoFlag)
{
takePhoto();
// takeNextPhotoFlag = 0;
}
// we only read serial if we use the uart
if (Serial.available())
{
switch (Serial.read())
{
case 'p':
case 'P':
takeNextPhotoFlag = 1;
break;
default:
Serial.println("not supported!!!");
break;
} //end switch
} //end if
} //end loop
/* ***************************************************************** */
/* jpegDrawCallback */
/* ***************************************************************** */
// pixel drawing callback
static int jpegDrawCallback(JPEGDRAW *pDraw)
{
//Serial.printf("Draw pos = %d,%d. size = %d x %d\n", pDraw->x, pDraw->y, pDraw->iWidth, pDraw->iHeight);
gfx->draw16bitBeRGBBitmap(pDraw->x, pDraw->y, pDraw->pPixels, pDraw->iWidth, pDraw->iHeight);
return 1;
} //end draw pixwl
/* ***************************************************************** */
/* INIT CAMERA */
/* ***************************************************************** */
void initCamera()
{
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_sscb_sda = SIOD_GPIO_NUM;
config.pin_sscb_scl = SIOC_GPIO_NUM;
config.pin_pwdn = PWDN_GPIO_NUM;
config.pin_reset = RESET_GPIO_NUM;
config.xclk_freq_hz = 20000000;
config.pixel_format = PIXFORMAT_JPEG;
Serial.print("psramFound() = " + String(psramFound()));
Serial.print("...");
config.frame_size = FRAMESIZE_SVGA; //FRAMESIZE_UXGA; // FRAMESIZE_ + QVGA|CIF|VGA|SVGA|XGA|SXGA|UXGA //FRAMESIZE_QVGA
config.jpeg_quality = 10;
config.fb_count = 2;
// Init Camera
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
}
/* ***************************************************************** */
/* TAKE PHOTO */
/* ***************************************************************** */
void takePhoto()
{
delay(50);
camera_fb_t * fb = NULL;
// Take Picture with Camera
fb = esp_camera_fb_get();
if (!fb) {
Serial.println("Camera capture failed");
return;
}
else
{
Serial.println("photo taken ...");
// long lTime;
int stateOpen = jpeg.openRAM((uint8_t *)fb->buf, fb->len, jpegDrawCallback);
//jpeg.setMaxOutputSize(1600);
jpeg.setPixelType(RGB565_BIG_ENDIAN);
// Serial.println(stateOpen);
if (stateOpen)
{
// lTime = micros();
if (jpeg.decode(20,45, JPEG_SCALE_QUARTER)) // JPEG_SCALE_HALF, JPEG_SCALE_QUARTER, JPEG_SCALE_EIGHTH
{
// lTime = micros() - lTime;
// Serial.printf("%d x %d image, decode time = %d us\n", jpeg.getWidth(), jpeg.getHeight() , (int)lTime);
}
else
{
Serial.println("FAIL TO decode ????");
}
jpeg.close();
}
else
{
Serial.println("FAIL TO OPEN RAM ????");
}
} //end if not fail capture
// clear
esp_camera_fb_return(fb);
} //endd phototaken

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