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esp-who/examples/camera_web_server/main/app_httpd.cpp

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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "app_httpd.hpp"
#include <list>
#include "esp_http_server.h"
#include "esp_timer.h"
#include "img_converters.h"
#include "fb_gfx.h"
#include "app_mdns.h"
#include "app_camera.hpp"
#include "app_common.hpp"
#include "sdkconfig.h"
#include "dl_tool.hpp"
#if defined(ARDUINO_ARCH_ESP32) && defined(CONFIG_ARDUHAL_ESP_LOG)
#include "esp32-hal-log.h"
#define TAG ""
#else
#include "esp_log.h"
static const char *TAG = "camera_httpd";
#endif
#if CONFIG_DL_HUMAN_FACE_DETECTION_S1_MSR01
#include "human_face_detect_msr01.hpp"
#endif
#if CONFIG_DL_HUMAN_FACE_DETECTION_S2_MNP01
#include "human_face_detect_mnp01.hpp"
#endif
#if CONFIG_DL_CAT_FACE_DETECTION_MN03
#include "cat_face_detect_mn03.hpp"
#endif
#if CONFIG_DL_HUMAN_FACE_RECOGNITION_XXX
// TODO: recognize human face
#endif
static int8_t detection_enabled = 0;
static int8_t recognition_enabled = 0;
static int8_t is_enrolling = 0;
#ifdef CONFIG_LED_ILLUMINATOR_ENABLED
#include "app_led.h"
int led_duty = 0;
#endif
typedef struct
{
httpd_req_t *req;
size_t len;
} jpg_chunking_t;
#define PART_BOUNDARY "123456789000000000000987654321"
static const char *_STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary=" PART_BOUNDARY;
static const char *_STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
static const char *_STREAM_PART = "Content-Type: image/jpeg\r\nContent-Length: %u\r\nX-Timestamp: %d.%06d\r\n\r\n";
httpd_handle_t stream_httpd = NULL;
httpd_handle_t camera_httpd = NULL;
static size_t jpg_encode_stream(void *arg, size_t index, const void *data, size_t len)
{
jpg_chunking_t *j = (jpg_chunking_t *)arg;
if (!index)
{
j->len = 0;
}
if (httpd_resp_send_chunk(j->req, (const char *)data, len) != ESP_OK)
{
return 0;
}
j->len += len;
return len;
}
static esp_err_t capture_handler(httpd_req_t *req)
{
dl::tool::Latency latency_total;
latency_total.start();
camera_fb_t *fb = NULL;
esp_err_t res = ESP_OK;
#ifdef CONFIG_LED_ILLUMINATOR_ENABLED
app_led_duty(led_duty);
vTaskDelay(150 / portTICK_PERIOD_MS); // The LED needs to be turned on ~150ms before the call to esp_camera_fb_get()
fb = esp_camera_fb_get(); // or it won't be visible in the frame. A better way to do this is needed.
app_led_duty(0);
#else
fb = esp_camera_fb_get();
#endif
if (!fb)
{
ESP_LOGE(TAG, "Camera capture failed");
httpd_resp_send_500(req);
return ESP_FAIL;
}
httpd_resp_set_type(req, "image/jpeg");
httpd_resp_set_hdr(req, "Content-Disposition", "inline; filename=capture.jpg");
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
char ts[32];
snprintf(ts, 32, "%ld.%06ld", fb->timestamp.tv_sec, fb->timestamp.tv_usec);
httpd_resp_set_hdr(req, "X-Timestamp", (const char *)ts);
size_t fb_len = 0;
if (fb->format == PIXFORMAT_JPEG)
{
fb_len = fb->len;
res = httpd_resp_send(req, (const char *)fb->buf, fb->len);
}
else
{
jpg_chunking_t jchunk = {req, 0};
res = frame2jpg_cb(fb, 80, jpg_encode_stream, &jchunk) ? ESP_OK : ESP_FAIL;
httpd_resp_send_chunk(req, NULL, 0);
fb_len = jchunk.len;
}
esp_camera_fb_return(fb);
latency_total.end();
ESP_LOGI(TAG, "JPG: %uB %ums", (uint32_t)(fb_len), latency_total.get_period() / 1000);
return res;
}
static esp_err_t stream_handler(httpd_req_t *req)
{
camera_fb_t *fb = NULL;
struct timeval _timestamp;
esp_err_t res = ESP_OK;
size_t _jpg_buf_len = 0;
uint8_t *_jpg_buf = NULL;
char *part_buf[128];
dl::tool::Latency latency_total(24);
IMAGE_T *image_ptr = NULL;
bool is_detected = false;
dl::tool::Latency latency_fetch;
dl::tool::Latency latency_decode;
dl::tool::Latency latency_encode;
dl::tool::Latency latency_detect;
dl::tool::Latency latency_recognize;
#if CONFIG_DL_HUMAN_FACE
#if CONFIG_DL_HUMAN_FACE_DETECTION_S1_MSR01
HumanFaceDetectMSR01 detector(0.3F, 0.3F, 10, 0.3F);
#endif
#if CONFIG_DL_HUMAN_FACE_DETECTION_S2_MNP01
HumanFaceDetectMNP01 detector2(0.4F, 0.3F, 10);
#endif
#if CONFIG_DL_HUMAN_FACE_RECOGNITION_XXX
// TODO: recognize human face
#endif
#endif
#if CONFIG_DL_CAT_FACE
#if CONFIG_DL_CAT_FACE_DETECTION_MN03
CatFaceDetectMN03 detector(0.4F, 0.3F, 10, 0.3F);
#endif
#endif
res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
if (res != ESP_OK)
{
return res;
}
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
httpd_resp_set_hdr(req, "X-Framerate", "60");
#ifdef CONFIG_LED_ILLUMINATOR_ENABLED
app_led_duty(led_duty);
#endif
while (true)
{
latency_fetch.clear_period();
latency_decode.clear_period();
latency_encode.clear_period();
latency_detect.clear_period();
latency_recognize.clear_period();
image_ptr = NULL;
is_detected = false;
do
{
latency_total.start();
latency_fetch.start();
fb = esp_camera_fb_get();
if (!fb)
{
ESP_LOGE(TAG, "Camera capture failed");
res = ESP_FAIL;
break;
}
_timestamp.tv_sec = fb->timestamp.tv_sec;
_timestamp.tv_usec = fb->timestamp.tv_usec;
latency_fetch.end();
#if CONFIG_DL_ENABLED
if (detection_enabled && fb->width < 400)
{
latency_decode.start();
image_ptr = (IMAGE_T *)app_camera_decode(fb);
if (!image_ptr)
{
ESP_LOGE(TAG, "Frame decode failed");
res = ESP_FAIL;
break;
}
latency_decode.end();
#if CONFIG_DL_HUMAN_FACE
latency_detect.start();
#if CONFIG_DL_HUMAN_FACE_DETECTION_S2_ENABLED
std::list<dl::detect::result_t> &detect_candidates = detector.infer(image_ptr, {(int)fb->height, (int)fb->width, 3});
std::list<dl::detect::result_t> &detect_results = detector2.infer(image_ptr, {(int)fb->height, (int)fb->width, 3}, detect_candidates);
#else
std::list<dl::detect::result_t> &detect_results = detector.infer(image_ptr, {(int)fb->height, (int)fb->width, 3});
#endif
latency_detect.end();
if (detect_results.size() > 0)
{
is_detected = true;
draw_detection_result(image_ptr, fb->height, fb->width, detect_results);
latency_recognize.start();
if (recognition_enabled)
{
#if CONFIG_DL_HUMAN_FACE_RECOGNITION_XXX
// TODO: recognize human face
#endif
}
latency_recognize.end();
}
#endif // CONFIG_DL_HUMAN_FACE
#if CONFIG_DL_CAT_FACE
latency_detect.start();
std::list<dl::detect::result_t> &detect_results = detector.infer(image_ptr, {(int)fb->height, (int)fb->width, 3});
latency_detect.end();
if (detect_results.size() > 0)
{
is_detected = true;
draw_detection_result(image_ptr, fb->height, fb->width, detect_results);
}
#endif // CONFIG_DL_CAT_FACE
#if CONFIG_DL_HUMAN_HAND
latency_detect.start();
// TODO:
latency_detect.end();
#endif // CONFIG_DL_HUMAN_HAND
}
#endif // CONFIG_DL_ENABLED
latency_encode.start();
if (is_detected)
{
if (!fmt2jpg((uint8_t *)image_ptr, fb->width * fb->height * 3, fb->width, fb->height, CAMERA_PIXEL_FORMAT, 90, &_jpg_buf, &_jpg_buf_len))
{
ESP_LOGE(TAG, "fmt2jpg failed");
res = ESP_FAIL;
break;
}
if (fb->format == PIXFORMAT_RGB565)
image_ptr = NULL;
esp_camera_fb_return(fb);
fb = NULL;
}
else if (fb->format == PIXFORMAT_JPEG)
{
_jpg_buf = fb->buf;
_jpg_buf_len = fb->len;
}
else
{
if (!frame2jpg(fb, 80, &_jpg_buf, &_jpg_buf_len))
{
ESP_LOGE(TAG, "JPEG compression failed");
res = ESP_FAIL;
break;
}
if (fb->format == PIXFORMAT_RGB565)
image_ptr = NULL;
esp_camera_fb_return(fb);
fb = NULL;
}
if (image_ptr)
free(image_ptr);
latency_encode.end();
} while (0);
if (res == ESP_OK)
{
res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
}
if (res == ESP_OK)
{
size_t hlen = snprintf((char *)part_buf, 128, _STREAM_PART, _jpg_buf_len, _timestamp.tv_sec, _timestamp.tv_usec);
res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
}
if (res == ESP_OK)
{
res = httpd_resp_send_chunk(req, (const char *)_jpg_buf, _jpg_buf_len);
}
if (fb)
{
esp_camera_fb_return(fb);
fb = NULL;
_jpg_buf = NULL;
}
else if (_jpg_buf)
{
free(_jpg_buf);
_jpg_buf = NULL;
}
if (res != ESP_OK)
{
break;
}
latency_total.end();
uint32_t frame_latency = latency_total.get_period() / 1000;
uint32_t average_frame_latency = latency_total.get_average_period() / 1000;
ESP_LOGI("Frame Latency", "%4ums (%2.1ffps), Average: %4ums (%2.1ffps) | fetch %4ums, decode: %4ums, detect: %4ums, recognize: %5ums, encode: %4ums",
frame_latency, 1000.0 / frame_latency, average_frame_latency, 1000.0 / average_frame_latency,
latency_fetch.get_period() / 1000,
latency_decode.get_period() / 1000,
latency_detect.get_period() / 1000,
latency_recognize.get_period() / 1000,
latency_encode.get_period() / 1000);
}
#ifdef CONFIG_LED_ILLUMINATOR_ENABLED
app_led_duty(0);
#endif
return res;
}
static esp_err_t parse_get(httpd_req_t *req, char **obuf)
{
char *buf = NULL;
size_t buf_len = 0;
buf_len = httpd_req_get_url_query_len(req) + 1;
if (buf_len > 1)
{
buf = (char *)malloc(buf_len);
if (!buf)
{
httpd_resp_send_500(req);
return ESP_FAIL;
}
if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK)
{
*obuf = buf;
return ESP_OK;
}
free(buf);
}
httpd_resp_send_404(req);
return ESP_FAIL;
}
static esp_err_t cmd_handler(httpd_req_t *req)
{
char *buf = NULL;
char variable[32];
char value[32];
if (parse_get(req, &buf) != ESP_OK ||
httpd_query_key_value(buf, "var", variable, sizeof(variable)) != ESP_OK ||
httpd_query_key_value(buf, "val", value, sizeof(value)) != ESP_OK)
{
free(buf);
httpd_resp_send_404(req);
return ESP_FAIL;
}
free(buf);
int val = atoi(value);
ESP_LOGI(TAG, "%s = %d", variable, val);
sensor_t *s = esp_camera_sensor_get();
int res = 0;
if (!strcmp(variable, "framesize"))
{
if (s->pixformat == PIXFORMAT_JPEG)
{
res = s->set_framesize(s, (framesize_t)val);
if (res == 0)
{
app_mdns_update_framesize(val);
}
}
}
else if (!strcmp(variable, "quality"))
res = s->set_quality(s, val);
else if (!strcmp(variable, "contrast"))
res = s->set_contrast(s, val);
else if (!strcmp(variable, "brightness"))
res = s->set_brightness(s, val);
else if (!strcmp(variable, "saturation"))
res = s->set_saturation(s, val);
else if (!strcmp(variable, "gainceiling"))
res = s->set_gainceiling(s, (gainceiling_t)val);
else if (!strcmp(variable, "colorbar"))
res = s->set_colorbar(s, val);
else if (!strcmp(variable, "awb"))
res = s->set_whitebal(s, val);
else if (!strcmp(variable, "agc"))
res = s->set_gain_ctrl(s, val);
else if (!strcmp(variable, "aec"))
res = s->set_exposure_ctrl(s, val);
else if (!strcmp(variable, "hmirror"))
res = s->set_hmirror(s, val);
else if (!strcmp(variable, "vflip"))
res = s->set_vflip(s, val);
else if (!strcmp(variable, "awb_gain"))
res = s->set_awb_gain(s, val);
else if (!strcmp(variable, "agc_gain"))
res = s->set_agc_gain(s, val);
else if (!strcmp(variable, "aec_value"))
res = s->set_aec_value(s, val);
else if (!strcmp(variable, "aec2"))
res = s->set_aec2(s, val);
else if (!strcmp(variable, "dcw"))
res = s->set_dcw(s, val);
else if (!strcmp(variable, "bpc"))
res = s->set_bpc(s, val);
else if (!strcmp(variable, "wpc"))
res = s->set_wpc(s, val);
else if (!strcmp(variable, "raw_gma"))
res = s->set_raw_gma(s, val);
else if (!strcmp(variable, "lenc"))
res = s->set_lenc(s, val);
else if (!strcmp(variable, "special_effect"))
res = s->set_special_effect(s, val);
else if (!strcmp(variable, "wb_mode"))
res = s->set_wb_mode(s, val);
else if (!strcmp(variable, "ae_level"))
res = s->set_ae_level(s, val);
#ifdef CONFIG_LED_ILLUMINATOR_ENABLED
else if (!strcmp(variable, "led_intensity"))
led_duty = val;
#endif
else if (!strcmp(variable, "face_detect"))
{
detection_enabled = val;
if (!detection_enabled)
{
recognition_enabled = 0;
}
}
else if (!strcmp(variable, "face_enroll"))
is_enrolling = val;
else if (!strcmp(variable, "face_recognize"))
{
recognition_enabled = val;
if (recognition_enabled)
{
detection_enabled = val;
}
}
else
{
res = -1;
}
if (res)
{
return httpd_resp_send_500(req);
}
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
return httpd_resp_send(req, NULL, 0);
}
static int print_reg(char *p, sensor_t *s, uint16_t reg, uint32_t mask)
{
return sprintf(p, "\"0x%x\":%u,", reg, s->get_reg(s, reg, mask));
}
static esp_err_t status_handler(httpd_req_t *req)
{
static char json_response[1024];
sensor_t *s = esp_camera_sensor_get();
char *p = json_response;
*p++ = '{';
if (s->id.PID == OV5640_PID || s->id.PID == OV3660_PID)
{
for (int reg = 0x3400; reg < 0x3406; reg += 2)
{
p += print_reg(p, s, reg, 0xFFF); //12 bit
}
p += print_reg(p, s, 0x3406, 0xFF);
p += print_reg(p, s, 0x3500, 0xFFFF0); //16 bit
p += print_reg(p, s, 0x3503, 0xFF);
p += print_reg(p, s, 0x350a, 0x3FF); //10 bit
p += print_reg(p, s, 0x350c, 0xFFFF); //16 bit
for (int reg = 0x5480; reg <= 0x5490; reg++)
{
p += print_reg(p, s, reg, 0xFF);
}
for (int reg = 0x5380; reg <= 0x538b; reg++)
{
p += print_reg(p, s, reg, 0xFF);
}
for (int reg = 0x5580; reg < 0x558a; reg++)
{
p += print_reg(p, s, reg, 0xFF);
}
p += print_reg(p, s, 0x558a, 0x1FF); //9 bit
}
else
{
p += print_reg(p, s, 0xd3, 0xFF);
p += print_reg(p, s, 0x111, 0xFF);
p += print_reg(p, s, 0x132, 0xFF);
}
p += sprintf(p, "\"board\":\"%s\",", CAMERA_MODULE_NAME);
p += sprintf(p, "\"xclk\":%u,", s->xclk_freq_hz / 1000000);
p += sprintf(p, "\"pixformat\":%u,", s->pixformat);
p += sprintf(p, "\"framesize\":%u,", s->status.framesize);
p += sprintf(p, "\"quality\":%u,", s->status.quality);
p += sprintf(p, "\"brightness\":%d,", s->status.brightness);
p += sprintf(p, "\"contrast\":%d,", s->status.contrast);
p += sprintf(p, "\"saturation\":%d,", s->status.saturation);
p += sprintf(p, "\"sharpness\":%d,", s->status.sharpness);
p += sprintf(p, "\"special_effect\":%u,", s->status.special_effect);
p += sprintf(p, "\"wb_mode\":%u,", s->status.wb_mode);
p += sprintf(p, "\"awb\":%u,", s->status.awb);
p += sprintf(p, "\"awb_gain\":%u,", s->status.awb_gain);
p += sprintf(p, "\"aec\":%u,", s->status.aec);
p += sprintf(p, "\"aec2\":%u,", s->status.aec2);
p += sprintf(p, "\"ae_level\":%d,", s->status.ae_level);
p += sprintf(p, "\"aec_value\":%u,", s->status.aec_value);
p += sprintf(p, "\"agc\":%u,", s->status.agc);
p += sprintf(p, "\"agc_gain\":%u,", s->status.agc_gain);
p += sprintf(p, "\"gainceiling\":%u,", s->status.gainceiling);
p += sprintf(p, "\"bpc\":%u,", s->status.bpc);
p += sprintf(p, "\"wpc\":%u,", s->status.wpc);
p += sprintf(p, "\"raw_gma\":%u,", s->status.raw_gma);
p += sprintf(p, "\"lenc\":%u,", s->status.lenc);
p += sprintf(p, "\"hmirror\":%u,", s->status.hmirror);
p += sprintf(p, "\"dcw\":%u,", s->status.dcw);
p += sprintf(p, "\"colorbar\":%u", s->status.colorbar);
#ifdef CONFIG_LED_ILLUMINATOR_ENABLED
p += sprintf(p, ",\"led_intensity\":%u", led_duty);
#else
p += sprintf(p, ",\"led_intensity\":%d", -1);
#endif
p += sprintf(p, ",\"face_detect\":%u", detection_enabled);
p += sprintf(p, ",\"face_enroll\":%u,", is_enrolling);
p += sprintf(p, "\"face_recognize\":%u", recognition_enabled);
*p++ = '}';
*p++ = 0;
httpd_resp_set_type(req, "application/json");
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
return httpd_resp_send(req, json_response, strlen(json_response));
}
static esp_err_t mdns_handler(httpd_req_t *req)
{
size_t json_len = 0;
const char *json_response = app_mdns_query(&json_len);
httpd_resp_set_type(req, "application/json");
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
return httpd_resp_send(req, json_response, json_len);
}
static esp_err_t xclk_handler(httpd_req_t *req)
{
char *buf = NULL;
char _xclk[32];
if (parse_get(req, &buf) != ESP_OK ||
httpd_query_key_value(buf, "xclk", _xclk, sizeof(_xclk)) != ESP_OK)
{
free(buf);
httpd_resp_send_404(req);
return ESP_FAIL;
}
free(buf);
int xclk = atoi(_xclk);
ESP_LOGI(TAG, "Set XCLK: %d MHz", xclk);
sensor_t *s = esp_camera_sensor_get();
int res = s->set_xclk(s, LEDC_TIMER_0, xclk);
if (res)
{
return httpd_resp_send_500(req);
}
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
return httpd_resp_send(req, NULL, 0);
}
static esp_err_t reg_handler(httpd_req_t *req)
{
char *buf = NULL;
char _reg[32];
char _mask[32];
char _val[32];
if (parse_get(req, &buf) != ESP_OK ||
httpd_query_key_value(buf, "reg", _reg, sizeof(_reg)) != ESP_OK ||
httpd_query_key_value(buf, "mask", _mask, sizeof(_mask)) != ESP_OK ||
httpd_query_key_value(buf, "val", _val, sizeof(_val)) != ESP_OK)
{
free(buf);
httpd_resp_send_404(req);
return ESP_FAIL;
}
free(buf);
int reg = atoi(_reg);
int mask = atoi(_mask);
int val = atoi(_val);
ESP_LOGI(TAG, "Set Register: reg: 0x%02x, mask: 0x%02x, value: 0x%02x", reg, mask, val);
sensor_t *s = esp_camera_sensor_get();
int res = s->set_reg(s, reg, mask, val);
if (res)
{
return httpd_resp_send_500(req);
}
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
return httpd_resp_send(req, NULL, 0);
}
static esp_err_t greg_handler(httpd_req_t *req)
{
char *buf = NULL;
char _reg[32];
char _mask[32];
if (parse_get(req, &buf) != ESP_OK ||
httpd_query_key_value(buf, "reg", _reg, sizeof(_reg)) != ESP_OK ||
httpd_query_key_value(buf, "mask", _mask, sizeof(_mask)) != ESP_OK)
{
free(buf);
httpd_resp_send_404(req);
return ESP_FAIL;
}
free(buf);
int reg = atoi(_reg);
int mask = atoi(_mask);
sensor_t *s = esp_camera_sensor_get();
int res = s->get_reg(s, reg, mask);
if (res < 0)
{
return httpd_resp_send_500(req);
}
ESP_LOGI(TAG, "Get Register: reg: 0x%02x, mask: 0x%02x, value: 0x%02x", reg, mask, res);
char buffer[20];
const char *val = itoa(res, buffer, 10);
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
return httpd_resp_send(req, val, strlen(val));
}
static int parse_get_var(char *buf, const char *key, int def)
{
char _int[16];
if (httpd_query_key_value(buf, key, _int, sizeof(_int)) != ESP_OK)
{
return def;
}
return atoi(_int);
}
static esp_err_t pll_handler(httpd_req_t *req)
{
char *buf = NULL;
if (parse_get(req, &buf) != ESP_OK)
{
free(buf);
httpd_resp_send_404(req);
return ESP_FAIL;
}
int bypass = parse_get_var(buf, "bypass", 0);
int mul = parse_get_var(buf, "mul", 0);
int sys = parse_get_var(buf, "sys", 0);
int root = parse_get_var(buf, "root", 0);
int pre = parse_get_var(buf, "pre", 0);
int seld5 = parse_get_var(buf, "seld5", 0);
int pclken = parse_get_var(buf, "pclken", 0);
int pclk = parse_get_var(buf, "pclk", 0);
free(buf);
ESP_LOGI(TAG, "Set Pll: bypass: %d, mul: %d, sys: %d, root: %d, pre: %d, seld5: %d, pclken: %d, pclk: %d", bypass, mul, sys, root, pre, seld5, pclken, pclk);
sensor_t *s = esp_camera_sensor_get();
int res = s->set_pll(s, bypass, mul, sys, root, pre, seld5, pclken, pclk);
if (res)
{
return httpd_resp_send_500(req);
}
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
return httpd_resp_send(req, NULL, 0);
}
static esp_err_t win_handler(httpd_req_t *req)
{
char *buf = NULL;
if (parse_get(req, &buf) != ESP_OK)
{
free(buf);
httpd_resp_send_404(req);
return ESP_FAIL;
}
int startX = parse_get_var(buf, "sx", 0);
int startY = parse_get_var(buf, "sy", 0);
int endX = parse_get_var(buf, "ex", 0);
int endY = parse_get_var(buf, "ey", 0);
int offsetX = parse_get_var(buf, "offx", 0);
int offsetY = parse_get_var(buf, "offy", 0);
int totalX = parse_get_var(buf, "tx", 0);
int totalY = parse_get_var(buf, "ty", 0);
int outputX = parse_get_var(buf, "ox", 0);
int outputY = parse_get_var(buf, "oy", 0);
bool scale = parse_get_var(buf, "scale", 0) == 1;
bool binning = parse_get_var(buf, "binning", 0) == 1;
free(buf);
ESP_LOGI(TAG, "Set Window: Start: %d %d, End: %d %d, Offset: %d %d, Total: %d %d, Output: %d %d, Scale: %u, Binning: %u", startX, startY, endX, endY, offsetX, offsetY, totalX, totalY, outputX, outputY, scale, binning);
sensor_t *s = esp_camera_sensor_get();
int res = s->set_res_raw(s, startX, startY, endX, endY, offsetX, offsetY, totalX, totalY, outputX, outputY, scale, binning);
if (res)
{
return httpd_resp_send_500(req);
}
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
return httpd_resp_send(req, NULL, 0);
}
static esp_err_t index_handler(httpd_req_t *req)
{
extern const unsigned char index_ov2640_html_gz_start[] asm("_binary_index_ov2640_html_gz_start");
extern const unsigned char index_ov2640_html_gz_end[] asm("_binary_index_ov2640_html_gz_end");
size_t index_ov2640_html_gz_len = index_ov2640_html_gz_end - index_ov2640_html_gz_start;
extern const unsigned char index_ov3660_html_gz_start[] asm("_binary_index_ov3660_html_gz_start");
extern const unsigned char index_ov3660_html_gz_end[] asm("_binary_index_ov3660_html_gz_end");
size_t index_ov3660_html_gz_len = index_ov3660_html_gz_end - index_ov3660_html_gz_start;
extern const unsigned char index_ov5640_html_gz_start[] asm("_binary_index_ov5640_html_gz_start");
extern const unsigned char index_ov5640_html_gz_end[] asm("_binary_index_ov5640_html_gz_end");
size_t index_ov5640_html_gz_len = index_ov5640_html_gz_end - index_ov5640_html_gz_start;
httpd_resp_set_type(req, "text/html");
httpd_resp_set_hdr(req, "Content-Encoding", "gzip");
sensor_t *s = esp_camera_sensor_get();
if (s != NULL)
{
if (s->id.PID == OV3660_PID)
{
return httpd_resp_send(req, (const char *)index_ov3660_html_gz_start, index_ov3660_html_gz_len);
}
else if (s->id.PID == OV5640_PID)
{
return httpd_resp_send(req, (const char *)index_ov5640_html_gz_start, index_ov5640_html_gz_len);
}
else
{
return httpd_resp_send(req, (const char *)index_ov2640_html_gz_start, index_ov2640_html_gz_len);
}
}
else
{
ESP_LOGE(TAG, "Camera sensor not found");
return httpd_resp_send_500(req);
}
}
static esp_err_t monitor_handler(httpd_req_t *req)
{
extern const unsigned char monitor_html_gz_start[] asm("_binary_monitor_html_gz_start");
extern const unsigned char monitor_html_gz_end[] asm("_binary_monitor_html_gz_end");
size_t monitor_html_gz_len = monitor_html_gz_end - monitor_html_gz_start;
httpd_resp_set_type(req, "text/html");
httpd_resp_set_hdr(req, "Content-Encoding", "gzip");
return httpd_resp_send(req, (const char *)monitor_html_gz_start, monitor_html_gz_len);
}
void app_httpd_main()
{
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
config.max_uri_handlers = 12;
httpd_uri_t index_uri = {
.uri = "/",
.method = HTTP_GET,
.handler = index_handler,
.user_ctx = NULL};
httpd_uri_t status_uri = {
.uri = "/status",
.method = HTTP_GET,
.handler = status_handler,
.user_ctx = NULL};
httpd_uri_t cmd_uri = {
.uri = "/control",
.method = HTTP_GET,
.handler = cmd_handler,
.user_ctx = NULL};
httpd_uri_t capture_uri = {
.uri = "/capture",
.method = HTTP_GET,
.handler = capture_handler,
.user_ctx = NULL};
httpd_uri_t stream_uri = {
.uri = "/stream",
.method = HTTP_GET,
.handler = stream_handler,
.user_ctx = NULL};
httpd_uri_t xclk_uri = {
.uri = "/xclk",
.method = HTTP_GET,
.handler = xclk_handler,
.user_ctx = NULL};
httpd_uri_t reg_uri = {
.uri = "/reg",
.method = HTTP_GET,
.handler = reg_handler,
.user_ctx = NULL};
httpd_uri_t greg_uri = {
.uri = "/greg",
.method = HTTP_GET,
.handler = greg_handler,
.user_ctx = NULL};
httpd_uri_t pll_uri = {
.uri = "/pll",
.method = HTTP_GET,
.handler = pll_handler,
.user_ctx = NULL};
httpd_uri_t win_uri = {
.uri = "/resolution",
.method = HTTP_GET,
.handler = win_handler,
.user_ctx = NULL};
httpd_uri_t mdns_uri = {
.uri = "/mdns",
.method = HTTP_GET,
.handler = mdns_handler,
.user_ctx = NULL};
httpd_uri_t monitor_uri = {
.uri = "/monitor",
.method = HTTP_GET,
.handler = monitor_handler,
.user_ctx = NULL};
ESP_LOGI(TAG, "Starting web server on port: '%d'", config.server_port);
if (httpd_start(&camera_httpd, &config) == ESP_OK)
{
httpd_register_uri_handler(camera_httpd, &index_uri);
httpd_register_uri_handler(camera_httpd, &cmd_uri);
httpd_register_uri_handler(camera_httpd, &status_uri);
httpd_register_uri_handler(camera_httpd, &capture_uri);
httpd_register_uri_handler(camera_httpd, &xclk_uri);
httpd_register_uri_handler(camera_httpd, &reg_uri);
httpd_register_uri_handler(camera_httpd, &greg_uri);
httpd_register_uri_handler(camera_httpd, &pll_uri);
httpd_register_uri_handler(camera_httpd, &win_uri);
httpd_register_uri_handler(camera_httpd, &mdns_uri);
httpd_register_uri_handler(camera_httpd, &monitor_uri);
}
config.server_port += 1;
config.ctrl_port += 1;
ESP_LOGI(TAG, "Starting stream server on port: '%d'", config.server_port);
if (httpd_start(&stream_httpd, &config) == ESP_OK)
{
httpd_register_uri_handler(stream_httpd, &stream_uri);
}
}
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