esp32cam烧录代码
#include "WiFi.h"
#include "esp_camera.h"
#include
#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
//替换成你的配置
const char* hostname = "ESP32CAM";
const char* ssid = "wifi名";
const char* password = "wifi密码";
const char* socket_url = "你的socket请求地址";
int socket_port = 你的端口;
WebSocketsClient webSocket;
void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
switch(type) {
case WStype_DISCONNECTED:
Serial.printf("[WSc] Disconnected!\n");
break;
case WStype_CONNECTED: {
Serial.printf("[WSc] Connected to url: %s\n", payload);
webSocket.sendTXT("camlogin");
}
break;
case WStype_TEXT:
Serial.printf("[WSc] get text: %s\n", payload);
break;
case WStype_BIN:
break;
case WStype_PING:
Serial.printf("[WSc] get ping\n");
break;
case WStype_PONG:
Serial.printf("[WSc] get pong\n");
break;
}
}
void setupCamera()
{
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;
config.frame_size = FRAMESIZE_VGA; // FRAMESIZE_ + QVGA|CIF|VGA|SVGA|XGA|SXGA|UXGA
config.jpeg_quality = 50;//图像质量（jpeg_quality) 可以是 0 到 63 之间的数字。数字越小意味着质量越高。然而，非常低的图像质量数字，特别是在更高的分辨率下，可能会导致 ESP32-CAM 崩溃或可能无法正常拍摄照片。
config.fb_count = 1;
// 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;
}
}
void setup(){
Serial.begin(115200);
// Connect to Wi-Fi
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi..");
}
// Print ESP32 Local IP Address
Serial.println(WiFi.localIP());
setupCamera();
// server address, port and URL
webSocket.begin(socket_url,socket_port);
webSocket.onEvent(webSocketEvent);
webSocket.setReconnectInterval(5000);
webSocket.enableHeartbeat(15000, 3000, 2);
}
unsigned long messageTimestamp = 0;
void loop() {
webSocket.loop();
uint64_t now = millis();
if(now - messageTimestamp > 10) {
messageTimestamp = now;
camera_fb_t * fb = NULL;
// Take Picture with Camera
fb = esp_camera_fb_get();
if(!fb) {
Serial.println("Camera capture failed");
return;
}
webSocket.sendBIN(fb->buf,fb->len);
Serial.println("Image sent");
esp_camera_fb_return(fb);
}
}
微信小程序ts代码
Page({
onLoad() {
var that = this
var webSoket = wx.connectSocket({
url: 'ws://你的socket连接:端口',
})
webSoket.onMessage(onMessage => {
var base64 = wx.arrayBufferToBase64(onMessage.data);
that.setData({
motto:`data:image/jpg;base64,${base64}`
})
})
}
})
微信小程序wxml代码
服务器php代码：文件名server.php
//连接本地的 Redis 服务
$redis = new Redis();
$redis->connect('127.0.0.1', 6379);
$redis->set("fd", "[]"); //每次第一次执行都需要先清空reids里面的标识
$server = new swoole_websocket_server("0.0.0.0", 你的端口);#要在腾讯云和宝塔中放行
$server->set([
'daemonize' => true,//进程守护 可以后台运行
]);
$server->on('open', function (swoole_websocket_server $server, $request) use($redis) {
$str = json_decode($redis->get("fd"), true);
if($str == "") $str = [];
if(!in_array($request->fd, $str)){
array_push($str, $request->fd);
$str = json_encode($str);
$redis->set("fd", $str);
}
});
$server->on('message', function (swoole_websocket_server $server, $frame) use($redis) {
$str = json_decode($redis->get("fd"), true);
foreach ($str as $key => $value) {
if($frame->fd != $value){
$server->push($value,$frame->data,WEBSOCKET_OPCODE_BINARY);
}
}
});
$server->on('close', function ($ser, $fd) use($redis) {
$str = json_decode($redis->get("fd"), true);
$point = array_keys($str, $fd, true);
array_splice($str, $point['0'],1);
$str = json_encode($str);
$redis->set("fd", $str);
});
$server->start();
运行php脚本
php server.php
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