スマホでロボットアームを動かす

Freenove ESP32-WROVER CAMボード(Arduino IDE対応)、オンボードカメラワイヤレス、Python Cコード、詳細チュートリアル、サンプルプロジェクト

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マイコンESP32でカメラを使うに挑戦していきます。

例によってチュートリアルを参考にさせて頂きます。

Sketch_16.1_CameraWebServerをチュートリアルに従って進めて行きます。

ブルートゥースの時と違って結構大掛かりでapp_httpd.cpp、camera_index.h、camera_pins.hも必要です。

本体のSketch_16.1_CameraWebServer.inoも倍以上のボリューム

/**********************************************************************
Filename : Camera Web Serrver
Description : ESP32 connects to WiFi and prints a url through a serial port.
Users visit the site to view the image data ESP32 camera.
Auther : www.freenove.com
Modification: 2021/12/01
**********************************************************************/
#include "esp_camera.h"
#include <WiFi.h>

// Select camera model
#define CAMERA_MODEL_WROVER_KIT // Has PSRAM
//#define CAMERA_MODEL_ESP_EYE // Has PSRAM
//#define CAMERA_MODEL_M5STACK_PSRAM // Has PSRAM
//#define CAMERA_MODEL_M5STACK_V2_PSRAM // M5Camera version B Has PSRAM
//#define CAMERA_MODEL_M5STACK_WIDE // Has PSRAM
//#define CAMERA_MODEL_M5STACK_ESP32CAM // No PSRAM
//#define CAMERA_MODEL_M5STACK_UNITCAM // No PSRAM
//#define CAMERA_MODEL_AI_THINKER // Has PSRAM
//#define CAMERA_MODEL_TTGO_T_JOURNAL // No PSRAM

#include "camera_pins.h"

const char *ssid_Router = "**********"; //input your wifi name
const char *password_Router = "**********"; //input your wifi passwords
camera_config_t config;

void startCameraServer();
void config_init();

void setup() {
Serial.begin(115200);
Serial.setDebugOutput(true);
Serial.println();

config_init();
config.frame_size = FRAMESIZE_VGA;
config.jpeg_quality = 10;

// 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();
s->set_vflip(s, 1); //1-Upside down, 0-No operation
s->set_hmirror(s, 0); //1-Reverse left and right, 0-No operation
s->set_brightness(s, 1); //up the blightness just a bit
s->set_saturation(s, -1); //lower the saturation

WiFi.begin(ssid_Router, password_Router);
while (WiFi.isConnected() != true) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");

startCameraServer();

Serial.print("Camera Ready! Use 'http://");
Serial.print(WiFi.localIP());
Serial.println("' to connect");
}

void loop() {
;
}

void config_init() {
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;
config.fb_count = 1;
}