Автономная работа ESP32

autonomy_esp/sketch_may14a.ino

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+#include "esp_camera.h"
+#include <WiFi.h>
+#include "esp_http_server.h"
+#include <ESP32Servo.h>
+#include <Wire.h>
+#include <BH1750.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1306.h>
+#include <Adafruit_NeoPixel.h>
+
+// WIFI
+const char* ssid = "Cathouse";
+const char* password = "88888888";
+
+// CAMERA PINS
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    -1
+
+#define XCLK_GPIO_NUM     15
+#define SIOD_GPIO_NUM      4
+#define SIOC_GPIO_NUM      5
+
+#define Y9_GPIO_NUM       16
+#define Y8_GPIO_NUM       17
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       12
+#define Y5_GPIO_NUM       10
+#define Y4_GPIO_NUM        8
+#define Y3_GPIO_NUM        9
+#define Y2_GPIO_NUM       11
+
+#define VSYNC_GPIO_NUM     6
+#define HREF_GPIO_NUM      7
+#define PCLK_GPIO_NUM     13
+
+// OLED
+#define SCREEN_WIDTH 128
+#define SCREEN_HEIGHT 64
+Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
+
+// SENSOR
+BH1750 lightMeter;
+
+// LED
+#define LED_PIN 21
+#define LED_COUNT 8
+Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);
+
+// AHT20
+#define AHT20_ADDR 0x38
+float temperature = 0;
+float humidity = 0;
+
+// SERVO
+#define SERVO_PIN 47
+Servo myServo;
+bool isMoving = false;
+bool isNight = false;
+unsigned long moveStart = 0;
+int servoDirection = 90;
+
+
+// STREAM
+static esp_err_t stream_handler(httpd_req_t *req) {
+
+  camera_fb_t * fb = NULL;
+
+  static const char* boundary =
+    "\r\n--frame\r\n";
+
+  static const char* type =
+    "multipart/x-mixed-replace;boundary=frame";
+
+  static const char* header =
+    "Content-Type: image/jpeg\r\n"
+    "Content-Length: %u\r\n\r\n";
+
+  httpd_resp_set_type(req, type);
+
+  while (true) {
+    fb = esp_camera_fb_get();
+    if (!fb) continue;
+
+    httpd_resp_send_chunk(req, boundary, strlen(boundary));
+
+    char buf[64];
+    int hlen = snprintf(buf, sizeof(buf), header, fb->len);
+
+    httpd_resp_send_chunk(req, buf, hlen);
+    httpd_resp_send_chunk(req, (const char*)fb->buf, fb->len);
+    esp_camera_fb_return(fb);
+    delay(120);
+  }
+  return ESP_OK;
+}
+
+// SERVER
+httpd_handle_t server = NULL;
+
+
+void startServer() {
+  httpd_config_t config =
+    HTTPD_DEFAULT_CONFIG();
+
+  config.server_port = 80;
+  httpd_start(&server, &config);
+
+  httpd_uri_t uri = {
+    .uri = "/stream",
+    .method = HTTP_GET,
+    .handler = stream_handler,
+    .user_ctx = NULL
+  };
+  httpd_register_uri_handler(server, &uri);
+}
+
+
+// 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_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.pixel_format = PIXFORMAT_JPEG;
+  config.xclk_freq_hz = 20000000;
+  config.frame_size = FRAMESIZE_QVGA;
+  config.jpeg_quality = 18;
+  config.fb_count = 1;
+
+  if (esp_camera_init(&config) != ESP_OK) {
+    Serial.println("Camera FAIL");
+    while (true);
+  }
+
+  sensor_t * s = esp_camera_sensor_get();
+
+  s->set_vflip(s, 1);
+  s->set_brightness(s, 1);
+  s->set_whitebal(s, 1);
+  s->set_awb_gain(s, 1);
+  s->set_exposure_ctrl(s, 1);
+  s->set_gain_ctrl(s, 1);
+}
+
+
+// AHT20
+bool readAHT20(float &temp, float &hum) {
+  uint8_t cmd[3] = {0xAC, 0x33, 0x00};
+  Wire.beginTransmission(AHT20_ADDR);
+  Wire.write(cmd, 3);
+
+  if (Wire.endTransmission() != 0)
+    return false;
+
+  delay(80);
+  Wire.requestFrom(AHT20_ADDR, 6);
+
+  if (Wire.available() < 6)
+    return false;
+
+  uint8_t data[6];
+
+  for (int i = 0; i < 6; i++) {
+    data[i] = Wire.read();
+  }
+  uint32_t h =
+    ((data[1] << 12) |
+    (data[2] << 4) |
+    (data[3] >> 4));
+
+  uint32_t t =
+    ((data[3] & 0x0F) << 16) |
+    (data[4] << 8) |
+    data[5];
+
+  hum = (h * 100.0) / 1048576.0;
+  temp =
+    (t * 200.0 / 1048576.0) - 50;
+  return true;
+}
+
+
+// SETUP
+void setup() {
+  Serial.begin(115200);
+  delay(2000);
+
+  // CAMERA
+  initCamera();
+
+  // WIFI
+  WiFi.begin(ssid, password);
+  WiFi.setSleep(false);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(300);
+    Serial.print(".");
+  }
+  Serial.println("\nWiFi OK");
+  Serial.println(WiFi.localIP());
+
+  // I2C
+  Wire.begin(1, 2);
+  Wire.setClock(100000);
+
+  // BH1750
+  lightMeter.begin();
+
+  // OLED
+  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
+    Serial.println("OLED FAIL");
+    while (true);
+  }
+
+  display.clearDisplay();
+  display.setTextSize(1);
+  display.setTextColor(SSD1306_WHITE);
+
+  // SERVER
+  startServer();
+
+  // SERVO
+  myServo.attach(SERVO_PIN);
+  myServo.write(92);   // стоп
+  delay(1000);
+  myServo.detach();
+
+  Serial.println("SERVO READY");
+
+  strip.begin();
+  strip.show();
+  strip.setBrightness(80);
+
+  Serial.println("OPEN /stream");
+}
+
+
+void setStripColor(uint8_t r, uint8_t g, uint8_t b) {
+  for (int i = 0; i < LED_COUNT; i++) {
+    strip.setPixelColor(i, strip.Color(r, g, b));
+  }
+  strip.show();
+}
+
+
+// LOOP
+unsigned long last = 0;
+
+
+void loop() {
+
+  static float lux = 0;
+
+  // UPDATE
+  if (millis() - last > 2000) {
+
+    last = millis();
+
+    lux = lightMeter.readLightLevel();
+
+    readAHT20(temperature, humidity);
+
+    Serial.println("----");
+
+    Serial.print("Lux: ");
+    Serial.println(lux);
+
+    Serial.print("Temp: ");
+    Serial.println(temperature);
+
+    Serial.print("Hum: ");
+    Serial.println(humidity);
+
+    display.clearDisplay();
+
+    display.setCursor(0, 0);
+
+    display.print("Light: ");
+    display.print(lux);
+    display.println(" lx");
+
+    display.print("Temp: ");
+    display.print(temperature);
+    display.println(" C");
+
+    display.print("Hum: ");
+    display.print(humidity);
+    display.println(" %");
+
+    display.println();
+
+    display.print("MODE: ");
+
+    display.println(
+      isNight ? "NIGHT" : "DAY"
+    );
+
+    display.display();
+  }
+
+  // NIGHT
+  if (lux < 200 && !isNight) {
+    isNight = true;
+    isMoving = true;
+    moveStart = millis();
+    servoDirection = 30;
+  }
+
+  // DAY
+  if (lux >= 200 && isNight) {
+    isNight = false;
+    isMoving = true;
+    moveStart = millis();
+    servoDirection = 150;
+  }
+
+  // MOVE
+  if (isMoving) {
+    myServo.attach(SERVO_PIN);
+    if (millis() - moveStart < 5000) {
+      myServo.write(servoDirection);
+    } else {
+      myServo.write(92); // стоп
+      delay(200);
+      myServo.detach();
+      isMoving = false;
+    }
+  }
+
+  // WS2812
+  if (isNight) {
+    // НОЧЬ
+    setStripColor(0, 0, 40);
+  } else {
+    // ДЕНЬ
+    setStripColor(40, 25, 10);
+  }
+
+  delay(30);
+}