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1718
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1 #pragma once
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2
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3 #include <Arduino.h>
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4 #include <WiFi.h>
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5
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6 #include "esp_camera.h"
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7 #include "esp_http_server.h"
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8 #include "esp_timer.h"
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9 #include "esphome.h"
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10 #include "esphome/core/component.h"
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11 #include "esphome/core/log.h"
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12 #include "img_converters.h"
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13
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14 namespace esphome {
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15 // #elif defined(CAMERA_MODEL_AI_THINKER)
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16 #define PWDN_GPIO_NUM 32
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17 #define RESET_GPIO_NUM -1
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18 #define XCLK_GPIO_NUM 0
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19 #define SIOD_GPIO_NUM 26
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20 #define SIOC_GPIO_NUM 27
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21
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22 #define Y9_GPIO_NUM 35
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23 #define Y8_GPIO_NUM 34
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24 #define Y7_GPIO_NUM 39
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25 #define Y6_GPIO_NUM 36
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26 #define Y5_GPIO_NUM 21
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27 #define Y4_GPIO_NUM 19
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28 #define Y3_GPIO_NUM 18
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29 #define Y2_GPIO_NUM 5
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30 #define VSYNC_GPIO_NUM 25
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31 #define HREF_GPIO_NUM 23
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32 #define PCLK_GPIO_NUM 22
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33
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34 static const char *TAG = "cam";
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35
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36 typedef struct {
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37 httpd_req_t *req;
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38 size_t len;
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39 } jpg_chunking_t;
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40
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41 class CamComponent : public Component {
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42 public:
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43 float get_setup_priority() const override {
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44 return esphome::setup_priority::AFTER_CONNECTION;
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45 }
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46
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47 void setup() override {
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48 ESP_LOGD(TAG, "setup");
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49 camera_config_t config;
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50 config.ledc_channel = LEDC_CHANNEL_0;
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51 config.ledc_timer = LEDC_TIMER_0;
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52 config.pin_d0 = Y2_GPIO_NUM;
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53 config.pin_d1 = Y3_GPIO_NUM;
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54 config.pin_d2 = Y4_GPIO_NUM;
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55 config.pin_d3 = Y5_GPIO_NUM;
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56 config.pin_d4 = Y6_GPIO_NUM;
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57 config.pin_d5 = Y7_GPIO_NUM;
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58 config.pin_d6 = Y8_GPIO_NUM;
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59 config.pin_d7 = Y9_GPIO_NUM;
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60 config.pin_xclk = XCLK_GPIO_NUM;
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61 config.pin_pclk = PCLK_GPIO_NUM;
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62 config.pin_vsync = VSYNC_GPIO_NUM;
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63 config.pin_href = HREF_GPIO_NUM;
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64 config.pin_sscb_sda = SIOD_GPIO_NUM;
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65 config.pin_sscb_scl = SIOC_GPIO_NUM;
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66 config.pin_pwdn = PWDN_GPIO_NUM;
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67 config.pin_reset = RESET_GPIO_NUM;
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68 config.xclk_freq_hz = 20000000;
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69 config.frame_size = FRAMESIZE_QVGA;
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70 config.pixel_format = PIXFORMAT_JPEG; // for streaming
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71 // config.pixel_format = PIXFORMAT_RGB565; // for face detection/recognition
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72 // config.grab_mode = CAMERA_GRAB_WHEN_EMPTY;
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73 // config.fb_location = CAMERA_FB_IN_PSRAM;
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74 config.jpeg_quality = 12;
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75 config.fb_count = 1;
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76
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77 if (psramFound()) {
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78 config.jpeg_quality = 10;
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79 config.fb_count = 2;
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80 // config.grab_mode = CAMERA_GRAB_LATEST;
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81 }
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82
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83 ESP_LOGD(TAG, "camera init");
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84 esp_err_t err = esp_camera_init(&config);
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85 if (err != ESP_OK) {
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86 Serial.printf("Camera init failed with error 0x%x", err);
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87 return;
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88 }
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89
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90 startCameraServer();
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91 }
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92
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93 static size_t jpg_encode_stream(void *arg, size_t index, const void *data,
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94 size_t len) {
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95 jpg_chunking_t *j = (jpg_chunking_t *)arg;
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96 if (!index) {
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97 j->len = 0;
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98 }
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99 if (httpd_resp_send_chunk(j->req, (const char *)data, len) != ESP_OK) {
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100 return 0;
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101 }
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102 j->len += len;
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103 return len;
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104 }
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105
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106 static esp_err_t capture_handler(httpd_req_t *req) {
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107 camera_fb_t *fb = NULL;
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108 esp_err_t res = ESP_OK;
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109 int64_t fr_start = esp_timer_get_time();
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110
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111 fb = esp_camera_fb_get();
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112
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113 if (!fb) {
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114 ESP_LOGE(TAG, "Camera capture failed");
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115 httpd_resp_send_500(req);
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116 return ESP_FAIL;
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117 }
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118
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119 httpd_resp_set_type(req, "image/jpeg");
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120 httpd_resp_set_hdr(req, "Content-Disposition",
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121 "inline; filename=capture.jpg");
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122 httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
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123
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124 char ts[32];
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125 snprintf(ts, 32, "%ld.%06ld", fb->timestamp.tv_sec, fb->timestamp.tv_usec);
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126 httpd_resp_set_hdr(req, "X-Timestamp", (const char *)ts);
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127
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128 size_t fb_len = 0;
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129 if (fb->format == PIXFORMAT_JPEG) {
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130 fb_len = fb->len;
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131 res = httpd_resp_send(req, (const char *)fb->buf, fb->len);
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132 } else {
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133 jpg_chunking_t jchunk = {req, 0};
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134 res =
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135 frame2jpg_cb(fb, 80, jpg_encode_stream, &jchunk) ? ESP_OK : ESP_FAIL;
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136 httpd_resp_send_chunk(req, NULL, 0);
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137 fb_len = jchunk.len;
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138 }
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139 esp_camera_fb_return(fb);
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140 int64_t fr_end = esp_timer_get_time();
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141 ESP_LOGI(TAG, "JPG: %uB %ums", (uint32_t)(fb_len),
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142 (uint32_t)((fr_end - fr_start) / 1000));
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143 return res;
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144 }
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145
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146 void startCameraServer() {
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147 ESP_LOGD(TAG, "startCameraServer");
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148 httpd_config_t config = HTTPD_DEFAULT_CONFIG();
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149 config.server_port = 8000;
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150 config.max_uri_handlers = 16;
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151
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152 httpd_uri_t capture_uri = {.uri = "/capture",
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153 .method = HTTP_GET,
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154 .handler = capture_handler,
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155 .user_ctx = NULL};
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156
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157 // httpd_uri_t stream_uri = {
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158 // .uri = "/stream",
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159 // .method = HTTP_GET,
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160 // .handler = stream_handler,
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161 // .user_ctx = NULL
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162 // };
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163
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164 // ra_filter_init(&ra_filter, 20);
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165 ESP_LOGCONFIG(TAG, "startCameraServer2");
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166
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167 ESP_LOGI(TAG, "Starting web server on port: '%d'", config.server_port);
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168 httpd_handle_t camera_httpd = NULL;
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169 if (httpd_start(&camera_httpd, &config) == ESP_OK) {
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170 // httpd_register_uri_handler(camera_httpd, &index_uri);
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171 // httpd_register_uri_handler(camera_httpd, &cmd_uri);
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172 // httpd_register_uri_handler(camera_httpd, &status_uri);
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173 httpd_register_uri_handler(camera_httpd, &capture_uri);
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174 // httpd_register_uri_handler(camera_httpd, &bmp_uri);
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175
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176 // httpd_register_uri_handler(camera_httpd, &xclk_uri);
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177 // httpd_register_uri_handler(camera_httpd, ®_uri);
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178 // httpd_register_uri_handler(camera_httpd, &greg_uri);
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179 // httpd_register_uri_handler(camera_httpd, &pll_uri);
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180 // httpd_register_uri_handler(camera_httpd, &win_uri);
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181 }
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182
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183 // config.server_port += 1;
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184 // config.ctrl_port += 1;
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185 // ESP_LOGI(TAG, "Starting stream server on port: '%d'",
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186 // config.server_port); if (httpd_start(&stream_httpd, &config) == ESP_OK)
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187 // {
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188 // httpd_register_uri_handler(stream_httpd, &stream_uri);
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189 // }
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190 }
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191
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192 void loop() override {}
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193 };
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194 } // namespace esphome |
