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- #include <ArduinoWebsockets.h>
- #include <WiFi.h>
- #include <ESPAsyncWebServer.h>
- #include "esp_camera.h"
- #include "soc/soc.h"
- #include "soc/rtc_cntl_reg.h""NSA";
- const char* password = "orange";
- #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
- camera_fb_t * fb = NULL;
- using namespace websockets;
- WebsocketsServer WSserver;
- AsyncWebServer webserver(80);
- // Arduino like analogWrite
- // value has to be between 0 and valueMax
- void ledcAnalogWrite(uint8_t channel, uint32_t value, uint32_t valueMax = 180) {
- // calculate duty, 8191 from 2 ^ 13 - 1
- uint32_t duty = (8191 / valueMax) * min(value, valueMax);
- ledcWrite(channel, duty);
- }
- void setup() {
- WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable brownout detector
- Serial.begin(115200);
- // Ai-Thinker: pins 2 and 12
- ledcSetup(2, 50, 16); //channel, freq, resolution
- ledcAttachPin(2, 2); // pin, channel
- ledcSetup(4, 50, 16);
- ledcAttachPin(12, 4);
- 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;
- //init with high specs to pre-allocate larger buffers
- if (psramFound()) {
- config.frame_size = FRAMESIZE_UXGA;
- config.jpeg_quality = 10;
- config.fb_count = 2;
- } else {
- config.frame_size = FRAMESIZE_SVGA;
- config.jpeg_quality = 12;
- config.fb_count = 1;
- }
- // 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_framesize(s, FRAMESIZE_QVGA);
- WiFi.mode(WIFI_STA);
- WiFi.begin(ssid, password);
- // Wait for connection
- while (WiFi.status() != WL_CONNECTED) {
- delay(500);
- Serial.print(".");
- }
- Serial.println("");
- Serial.print("Connected to ");
- Serial.print("IP address: ");
- Serial.println(WiFi.localIP());
- webserver.on("/", HTTP_GET, [](AsyncWebServerRequest * request) {
- AsyncWebServerResponse *response = request->beginResponse_P(200, "text/html", index_html_gz, sizeof(index_html_gz));
- response->addHeader("Content-Encoding", "gzip");
- request->send(response);
- });
- webserver.begin();
- WSserver.listen(82);
- }
- void handle_message(WebsocketsMessage msg) {
- int commaIndex = msg.data().indexOf(',');
- int panValue = msg.data().substring(0, commaIndex).toInt();
- int tiltValue = msg.data().substring(commaIndex + 1).toInt();
- panValue = map(panValue, -90, 90, 0, 180); // 0-180
- tiltValue = map(tiltValue, -90, 90, 180, 0); // 0-180 reversed
- ledcAnalogWrite(2, panValue); // channel, value
- ledcAnalogWrite(4, tiltValue);
- }
- void loop() {
- auto client = WSserver.accept();
- client.onMessage(handle_message);
- while (client.available()) {
- client.poll();
- fb = esp_camera_fb_get();
- client.sendBinary((const char *)fb->buf, fb->len);
- esp_camera_fb_return(fb);
- fb = NULL;
- }
- }
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