给我提供一份esp32-cam 并且通过st7735显示屏显示视频流的代码
时间: 2023-12-14 21:40:09 浏览: 196
好的,以下是一份esp32-cam通过st7735显示屏显示视频流的代码:
```cpp
#include <WiFi.h>
#include <WiFiClient.h>
#include <WebSocketsServer.h>
#include <WebServer.h>
#include <ESPmDNS.h>
#include <EEPROM.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ST7735.h>
#include "camera_pins.h"
#include "esp_camera.h"
#define ST7735_CS 15
#define ST7735_DC 2
#define ST7735_RST 4
// Replace with your network credentials
const char* ssid = "your_SSID";
const char* password = "your_PASSWORD";
// Create an instance of the server
WebServer server(80);
WebSocketsServer webSocket = WebSocketsServer(81);
// Create ST7735 object
Adafruit_ST7735 tft = Adafruit_ST7735(ST7735_CS, ST7735_DC, ST7735_RST);
// Camera config
camera_config_t config;
bool isStreaming = false;
void handleWebSocketMessage(uint8_t *payload, size_t length) {
if (!isStreaming) {
return;
}
// Send image frame to all connected clients
webSocket.broadcastBIN(payload, length);
}
void startCameraServer() {
// Camera configuration
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;
// Reduce image quality to improve streaming performance
config.frame_size = FRAMESIZE_VGA;
config.jpeg_quality = 12;
config.fb_count = 1;
// Initialize camera
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
Serial.println("Camera initialized");
// Start streaming from camera
isStreaming = true;
// Start web socket server
webSocket.begin();
webSocket.onMessage(handleWebSocketMessage);
Serial.println("WebSocket server started");
// Start HTTP server
server.on("/", HTTP_GET, []() {
server.send(200, "text/html", "<html><body><h1>ESP32-CAM Video Stream</h1><img src=\"http://" + WiFi.localIP().toString() + ":80/stream\" /></body></html>");
});
server.on("/stream", HTTP_GET, []() {
if (!isStreaming) {
server.send(503, "text/plain", "Camera stream not available");
return;
}
server.sendHeader("Access-Control-Allow-Origin", "*");
server.sendHeader("Cache-Control", "no-cache, no-store, must-revalidate");
server.sendHeader("Pragma", "no-cache");
server.sendHeader("Expires", "0");
server.sendHeader("Content-Type", "multipart/x-mixed-replace; boundary=frame");
});
server.begin();
Serial.println("HTTP server started");
}
void setup() {
Serial.begin(115200);
// Initialize EEPROM
EEPROM.begin(512);
// Connect to Wi-Fi network
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("Connected to WiFi");
// Start camera server
startCameraServer();
// Initialize ST7735
tft.initR(INITR_BLACKTAB);
}
void loop() {
// Handle web socket events
webSocket.loop();
// Handle HTTP requests
server.handleClient();
// Display streaming video on ST7735
if (isStreaming) {
camera_fb_t *fb = esp_camera_fb_get();
if (fb) {
tft.pushImage(0, 0, fb->width, fb->height, fb->format == PIXFORMAT_GRAYSCALE ? (uint8_t *)fb->buf : NULL);
esp_camera_fb_return(fb);
}
}
}
```
你可以将代码上传到esp32-cam板子中,然后使用浏览器访问`http://esp32-cam-local-ip/stream`来查看视频流。
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