388 lines
10 KiB
C++
388 lines
10 KiB
C++
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// modifed by bitluni 2020
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#include "file.h"
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#include "esp_http_server.h"
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#include "esp_timer.h"
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#include "esp_camera.h"
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#include "Arduino.h"
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#include "EEPROM.h"
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#include "lapse.h"
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const char *indexHtml =
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#include "index.h"
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;
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extern unsigned long frameInterval;
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typedef struct
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{
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httpd_req_t *req;
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size_t len;
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} jpg_chunking_t;
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#define PART_BOUNDARY "123456789000000000000987654321"
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static const char *_STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary=" PART_BOUNDARY;
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static const char *_STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
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static const char *_STREAM_PART = "Content-Type: image/jpeg\r\nContent-Length: %u\r\n\r\n";
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httpd_handle_t stream_httpd = NULL;
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httpd_handle_t camera_httpd = NULL;
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static size_t jpg_encode_stream(void *arg, size_t index, const void *data, size_t len)
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{
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jpg_chunking_t *j = (jpg_chunking_t *)arg;
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if (!index)
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{
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j->len = 0;
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}
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if (httpd_resp_send_chunk(j->req, (const char *)data, len) != ESP_OK)
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{
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return 0;
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}
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j->len += len;
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return len;
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}
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static esp_err_t capture_handler(httpd_req_t *req)
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{
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camera_fb_t *fb = NULL;
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esp_err_t res = ESP_OK;
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fb = esp_camera_fb_get();
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if (!fb)
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{
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Serial.println("Camera capture failed");
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httpd_resp_send_500(req);
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return ESP_FAIL;
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}
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/*
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char path[20];
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sprintf(path, "/%04d", projectIndex);
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if (!fileExists(path))
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createDir(path);
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sprintf(path, "/%04d/%08d.jpg", projectIndex, fileIndex);
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Serial.println(path);
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writeBinary(path, (const unsigned char *)fb->buf, fb->len);
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fileIndex++;*/
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httpd_resp_set_type(req, "image/jpeg");
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httpd_resp_set_hdr(req, "Content-Disposition", "inline; filename=capture.jpg");
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httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
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size_t out_len, out_width, out_height;
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uint8_t *out_buf;
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bool s;
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bool detected = false;
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int face_id = 0;
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size_t fb_len = 0;
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if (fb->format == PIXFORMAT_JPEG)
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{
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fb_len = fb->len;
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res = httpd_resp_send(req, (const char *)fb->buf, fb->len);
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}
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else
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{
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jpg_chunking_t jchunk = {req, 0};
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res = frame2jpg_cb(fb, 80, jpg_encode_stream, &jchunk) ? ESP_OK : ESP_FAIL;
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httpd_resp_send_chunk(req, NULL, 0);
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fb_len = jchunk.len;
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}
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esp_camera_fb_return(fb);
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return res;
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}
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static esp_err_t startLapseHandler(httpd_req_t *req)
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{
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startLapse();
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}
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static esp_err_t stopLapseHandler(httpd_req_t *req)
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{
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stopLapse();
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}
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static esp_err_t streamHandler(httpd_req_t *req)
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{
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camera_fb_t *fb = NULL;
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esp_err_t res = ESP_OK;
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char *part_buf[64];
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res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
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if (res != ESP_OK)
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return res;
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httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
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do
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{
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fb = esp_camera_fb_get();
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Serial.print("Frame size ");
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Serial.println(fb->len);
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if (!fb)
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{
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Serial.println("Camera capture failed");
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continue;
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}
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size_t hlen = snprintf((char *)part_buf, 64, _STREAM_PART, fb->len);
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res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
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if (res == ESP_OK)
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res = httpd_resp_send_chunk(req, (const char *)fb->buf, fb->len);
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if (res == ESP_OK)
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res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
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esp_camera_fb_return(fb);
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} while(res == ESP_OK);
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return res;
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}
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static esp_err_t cmd_handler(httpd_req_t *req)
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{
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char *buf;
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size_t buf_len;
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char variable[32] = {0,};
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char value[32] = {0,};
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buf_len = httpd_req_get_url_query_len(req) + 1;
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if (buf_len > 1)
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{
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buf = (char *)malloc(buf_len);
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if (!buf)
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{
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httpd_resp_send_500(req);
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return ESP_FAIL;
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}
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if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK)
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{
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if (httpd_query_key_value(buf, "var", variable, sizeof(variable)) == ESP_OK &&
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httpd_query_key_value(buf, "val", value, sizeof(value)) == ESP_OK)
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{
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}
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else
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{
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free(buf);
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httpd_resp_send_404(req);
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return ESP_FAIL;
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}
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}
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else
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{
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free(buf);
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httpd_resp_send_404(req);
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return ESP_FAIL;
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}
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free(buf);
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}
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else
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{
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httpd_resp_send_404(req);
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return ESP_FAIL;
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}
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int val = atoi(value);
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sensor_t *s = esp_camera_sensor_get();
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int res = 0;
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if (!strcmp(variable, "framesize"))
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{
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if (s->pixformat == PIXFORMAT_JPEG)
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res = s->set_framesize(s, (framesize_t)val);
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}
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else if (!strcmp(variable, "quality"))
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res = s->set_quality(s, val);
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else if (!strcmp(variable, "contrast"))
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res = s->set_contrast(s, val);
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else if (!strcmp(variable, "brightness"))
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res = s->set_brightness(s, val);
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else if (!strcmp(variable, "saturation"))
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res = s->set_saturation(s, val);
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else if (!strcmp(variable, "gainceiling"))
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res = s->set_gainceiling(s, (gainceiling_t)val);
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else if (!strcmp(variable, "colorbar"))
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res = s->set_colorbar(s, val);
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else if (!strcmp(variable, "awb"))
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res = s->set_whitebal(s, val);
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else if (!strcmp(variable, "agc"))
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res = s->set_gain_ctrl(s, val);
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else if (!strcmp(variable, "aec"))
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res = s->set_exposure_ctrl(s, val);
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else if (!strcmp(variable, "hmirror"))
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res = s->set_hmirror(s, val);
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else if (!strcmp(variable, "vflip"))
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res = s->set_vflip(s, val);
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else if (!strcmp(variable, "agc_gain"))
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res = s->set_agc_gain(s, val);
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else if (!strcmp(variable, "aec2"))
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res = s->set_aec2(s, val);
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else if (!strcmp(variable, "aec_value"))
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res = s->set_aec_value(s, val);
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else if (!strcmp(variable, "dcw"))
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res = s->set_dcw(s, val);
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else if (!strcmp(variable, "bpc"))
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res = s->set_bpc(s, val);
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else if (!strcmp(variable, "wpc"))
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res = s->set_wpc(s, val);
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else if (!strcmp(variable, "raw_gma"))
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res = s->set_raw_gma(s, val);
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else if (!strcmp(variable, "lenc"))
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res = s->set_lenc(s, val);
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else if (!strcmp(variable, "special_effect"))
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res = s->set_special_effect(s, val);
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else if (!strcmp(variable, "wb_mode"))
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{
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if (val == -1)
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{
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res = s->set_awb_gain(s, 0);
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}
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else
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{
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res = s->set_awb_gain(s, 1);
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res = s->set_wb_mode(s, val);
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}
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}
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else if (!strcmp(variable, "ae_level"))
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res = s->set_ae_level(s, val);
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else if (!strcmp(variable, "interval"))
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setInterval(val);
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else
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{
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res = -1;
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}
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if (res)
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{
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return httpd_resp_send_500(req);
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}
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httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
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return httpd_resp_send(req, NULL, 0);
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}
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static esp_err_t status_handler(httpd_req_t *req)
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{
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static char json_response[1024];
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sensor_t *s = esp_camera_sensor_get();
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char *p = json_response;
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*p++ = '{';
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p += sprintf(p, "\"framesize\":%u,", s->status.framesize);
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p += sprintf(p, "\"quality\":%u,", s->status.quality);
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p += sprintf(p, "\"brightness\":%d,", s->status.brightness);
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p += sprintf(p, "\"contrast\":%d,", s->status.contrast);
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p += sprintf(p, "\"saturation\":%d,", s->status.saturation);
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p += sprintf(p, "\"sharpness\":%d,", s->status.sharpness);
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p += sprintf(p, "\"special_effect\":%u,", s->status.special_effect);
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p += sprintf(p, "\"wb_mode\":%u,", s->status.wb_mode);
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p += sprintf(p, "\"awb\":%u,", s->status.awb);
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p += sprintf(p, "\"awb_gain\":%u,", s->status.awb_gain);
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p += sprintf(p, "\"aec\":%u,", s->status.aec);
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p += sprintf(p, "\"aec2\":%u,", s->status.aec2);
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p += sprintf(p, "\"ae_level\":%d,", s->status.ae_level);
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p += sprintf(p, "\"aec_value\":%u,", s->status.aec_value);
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p += sprintf(p, "\"agc\":%u,", s->status.agc);
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p += sprintf(p, "\"agc_gain\":%u,", s->status.agc_gain);
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p += sprintf(p, "\"gainceiling\":%u,", s->status.gainceiling);
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p += sprintf(p, "\"bpc\":%u,", s->status.bpc);
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p += sprintf(p, "\"wpc\":%u,", s->status.wpc);
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p += sprintf(p, "\"raw_gma\":%u,", s->status.raw_gma);
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p += sprintf(p, "\"lenc\":%u,", s->status.lenc);
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p += sprintf(p, "\"vflip\":%u,", s->status.vflip);
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p += sprintf(p, "\"hmirror\":%u,", s->status.hmirror);
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p += sprintf(p, "\"dcw\":%u,", s->status.dcw);
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p += sprintf(p, "\"colorbar\":%u,", s->status.colorbar);
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p += sprintf(p, "\"interval\":%u", frameInterval);
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*p++ = '}';
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*p++ = 0;
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httpd_resp_set_type(req, "application/json");
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httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
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return httpd_resp_send(req, json_response, strlen(json_response));
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}
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static esp_err_t index_handler(httpd_req_t *req)
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{
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httpd_resp_set_type(req, "text/html");
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//httpd_resp_set_hdr(req, "Content-Encoding", "gzip");
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sensor_t *s = esp_camera_sensor_get();
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unsigned long l = strlen(indexHtml);
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return httpd_resp_send(req, (const char *)indexHtml, l);
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}
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void startCameraServer()
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{
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httpd_config_t config = HTTPD_DEFAULT_CONFIG();
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httpd_uri_t index_uri = {
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.uri = "/",
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.method = HTTP_GET,
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.handler = index_handler,
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.user_ctx = NULL};
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httpd_uri_t status_uri = {
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.uri = "/status",
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.method = HTTP_GET,
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.handler = status_handler,
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.user_ctx = NULL};
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httpd_uri_t cmd_uri = {
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.uri = "/control",
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.method = HTTP_GET,
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.handler = cmd_handler,
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.user_ctx = NULL};
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httpd_uri_t capture_uri = {
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.uri = "/capture",
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.method = HTTP_GET,
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.handler = capture_handler,
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.user_ctx = NULL};
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httpd_uri_t stream_uri = {
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.uri = "/stream",
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.method = HTTP_GET,
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.handler = streamHandler,
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.user_ctx = NULL};
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httpd_uri_t startLapse_uri = {
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.uri = "/startLapse",
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.method = HTTP_GET,
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.handler = startLapseHandler,
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.user_ctx = NULL};
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httpd_uri_t stopLapse_uri = {
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.uri = "/stopLapse",
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.method = HTTP_GET,
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.handler = stopLapseHandler,
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.user_ctx = NULL};
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Serial.printf("Starting web server on port: '%d'\n", config.server_port);
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if (httpd_start(&camera_httpd, &config) == ESP_OK)
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{
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httpd_register_uri_handler(camera_httpd, &index_uri);
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httpd_register_uri_handler(camera_httpd, &cmd_uri);
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httpd_register_uri_handler(camera_httpd, &status_uri);
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httpd_register_uri_handler(camera_httpd, &capture_uri);
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httpd_register_uri_handler(camera_httpd, &startLapse_uri);
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httpd_register_uri_handler(camera_httpd, &stopLapse_uri);
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}
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config.server_port += 1;
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config.ctrl_port += 1;
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Serial.printf("Starting stream server on port: '%d'\n", config.server_port);
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if (httpd_start(&stream_httpd, &config) == ESP_OK)
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{
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httpd_register_uri_handler(stream_httpd, &stream_uri);
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}
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}
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