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LiHuashen
607 lines
20 KiB
C++
607 lines
20 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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#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 "img_converters.h"
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#include "camera_index.h"
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#include "Arduino.h"
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#include "ASC16.h"
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int pp[9];
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uint8_t sent_pp[9];
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uint8_t sent_e_pp[20];
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char percentage[9][9];
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typedef struct {
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size_t size; //number of values used for filtering
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size_t index; //current value index
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size_t count; //value count
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int sum;
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int * values; //array to be filled with values
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} ra_filter_t;
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typedef struct {
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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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//static const char* _STREAM_PART = "Content-Type: image/bmp\r\nContent-Length: %u\r\n\r\n";
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static ra_filter_t ra_filter;
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httpd_handle_t stream_httpd = NULL;
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httpd_handle_t camera_httpd = NULL;
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bool ColorComp(uint16_t pixel_color,uint16_t template_color,uint16_t threshold){
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int ar,ag,ab;
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int br,bg,bb;
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ar = ((pixel_color>>11)&0xff)<<3;
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ag = ((pixel_color>>5)&0x3f)<<2;
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ab = (pixel_color&0x1f)<<2;
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br = ((template_color>>11)&0xff)<<3;
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bg = ((template_color>>5)&0x3f)<<2;
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bb = (template_color&0x1f)<<2;
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int absR=ar-br;
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int absG=ag-bg;
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int absB=ab-bb;
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uint16_t temp = sqrt(absR*absR+absG*absG+absB*absB);
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//Serial.printf("temp = %d\n",temp);
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if(temp < threshold)
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return true;
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return false;
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}
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void writeHzkAsc(camera_fb_t * fb,uint16_t cursor_x,uint16_t cursor_y,const char *c) {
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uint8_t * pAscCharMatrix = (uint8_t *)&ASC16[0];
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uint32_t offset;
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uint8_t mask;
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uint16_t posX = cursor_x, posY = cursor_y;
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uint8_t charMatrix[16];
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uint8_t *pCharMatrix;
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int n = 0;
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while(*c != '\0'){
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offset = (uint32_t)(*c) * 16;
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pCharMatrix = pAscCharMatrix + offset;
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for (uint8_t row = 0; row < 16; row++) {
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mask = 0x80;
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posX = cursor_x + n*16;
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for (uint8_t col = 0; col < 8; col++) {
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if ((*pCharMatrix & mask) != 0) {
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fb->buf[posY * fb->width * 2 + posX] = 0;
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fb->buf[posY * fb->width * 2 + posX + 1] = 0;
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}
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posX += 2;
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mask >>= 1;
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}
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posY += 1;
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pCharMatrix++;
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}
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posX += 16;
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posY = cursor_y;
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c += 1;
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n++;
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}
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}
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static ra_filter_t * ra_filter_init(ra_filter_t * filter, size_t sample_size){
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memset(filter, 0, sizeof(ra_filter_t));
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filter->values = (int *)malloc(sample_size * sizeof(int));
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if(!filter->values){
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return NULL;
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}
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memset(filter->values, 0, sample_size * sizeof(int));
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filter->size = sample_size;
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return filter;
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}
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static int ra_filter_run(ra_filter_t * filter, int value){
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if(!filter->values){
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return value;
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}
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filter->sum -= filter->values[filter->index];
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filter->values[filter->index] = value;
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filter->sum += filter->values[filter->index];
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filter->index++;
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filter->index = filter->index % filter->size;
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if (filter->count < filter->size) {
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filter->count++;
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}
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return filter->sum / filter->count;
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}
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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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jpg_chunking_t *j = (jpg_chunking_t *)arg;
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if(!index){
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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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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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#if 1
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static esp_err_t capture_handler(httpd_req_t *req){
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camera_fb_t * fb = NULL;
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esp_err_t res = ESP_OK;
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int64_t fr_start = esp_timer_get_time();
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fb = esp_camera_fb_get();
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if (!fb) {
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Serial.printf("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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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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size_t fb_len = 0;
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if(fb->format == PIXFORMAT_JPEG){
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Serial.printf("fb->format == PIXFORMAT_JPEG\n");
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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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} else {
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Serial.printf("fb->format != PIXFORMAT_JPEG\n");
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Serial.printf("fb->len = %d\n", fb->len);
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Serial.printf("fb->width = %d\n", fb->width);
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Serial.printf("fb->height = %d\n", fb->height);
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Serial.printf("fb->format = %d\n", fb->format);
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int h = 0;
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int l = 0;
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int quadrant = 0;
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for(int i = 0; i < 9; i++){
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//！%
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pp[i] = 0;
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}
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//！ 1
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for(int i = 0; i < 20; i++){
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//！%
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sent_e_pp[i] = 0;
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}
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uint16_t color = 0;
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int temp_avr = 0;
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for(int i = 0; i < fb->len/2; i++){
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//Serial.printf("%d = %x\n",i, fb->buf[2*i]<<8|fb->buf[2*i+1]);
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//Serial.printf("%d = %x\n",i, fb->buf[2*i]<<8|fb->buf[2*i+1]);
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color = fb->buf[2*i]<<8|fb->buf[2*i+1];
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#if 0
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h = i/fb->width;
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l = i%fb->width;
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quadrant = h/40 * 3 + l/53;
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if(quadrant > 8)quadrant = 8;
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//if(quadrant == 4){
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Serial.printf("%d\n",fb->buf[2*i]<<8|fb->buf[2*i+1]);
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//temp_avr += color;
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//}
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pp[quadrant]++;
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#else
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if(ColorComp(color,41261,80)){
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h = i/fb->width;
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l = i%fb->width;
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quadrant = h/40 * 3 + l/53;
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if(quadrant > 8)quadrant = 8;
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pp[quadrant]++;
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sent_e_pp[l/8]++;
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}
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#endif
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}
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//Serial.printf("%d\n",temp_avr/(fb->len/18));
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uint16_t add = 0;
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for(int i = 0; i < 9; i++){
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//Serial.printf("%d\n",pp[i]);
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add += pp[i];
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}
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for(int i = 0; i < 9; i++){
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//Serial.printf("%d\n",add);
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sent_pp[i] = pp[i]*100/(fb->len/18);
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sprintf(percentage[i],"%.1d%%",pp[i]*100/(fb->len/18));
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//Serial.printf("%s\n",percentage[i]);
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}
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//!add row line
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for(int h = 0; h < 320; h++){
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fb->buf[40 * 320 + h] = 0;
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fb->buf[80 * 320 + h] = 0;
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}
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for(int w = 0; w < 120; w++){
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fb->buf[53*2 + 320*w] = 0;
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fb->buf[53*2*2 + 320*w] = 0;
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}
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writeHzkAsc(fb,30,12,percentage[0]);
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writeHzkAsc(fb,136,12,percentage[1]);
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writeHzkAsc(fb,236,12,percentage[2]);
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writeHzkAsc(fb,30,52,percentage[3]);
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writeHzkAsc(fb,136,52,percentage[4]);
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writeHzkAsc(fb,236,52,percentage[5]);
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writeHzkAsc(fb,30,92,percentage[6]);
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writeHzkAsc(fb,136,92,percentage[7]);
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writeHzkAsc(fb,236,92,percentage[8]);
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uint8_t * buf = NULL;
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size_t buf_len = 0;
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jpg_chunking_t jchunk = {req, 0};
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bool jpeg_converted = fmt2jpg(fb->buf, fb->len, fb->width, fb->height, fb->format, 80, &buf, &buf_len);
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res = httpd_resp_send(req, (const char *)buf, buf_len);
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}
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esp_camera_fb_return(fb);
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int64_t fr_end = esp_timer_get_time();
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//Serial.printf("JPG: %uB %ums", (uint32_t)(fb_len), (uint32_t)((fr_end - fr_start)/1000));
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return res;
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}
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#else
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static esp_err_t capture_handler(httpd_req_t *req){
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camera_fb_t * fb = NULL;
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esp_err_t res = ESP_OK;
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int64_t fr_start = esp_timer_get_time();
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fb = esp_camera_fb_get();
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if (!fb) {
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//Serial.printf(TAG, "Camera capture failed");
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Serial.printf("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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uint8_t * buf = NULL;
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size_t buf_len = 0;
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bool converted = frame2bmp(fb, &buf, &buf_len);
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esp_camera_fb_return(fb);
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if(!converted){
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Serial.printf("BMP conversion 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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res = httpd_resp_set_type(req, "image/x-windows-bmp")
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|| httpd_resp_set_hdr(req, "Content-Disposition", "inline; filename=capture.bmp")
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|| httpd_resp_send(req, (const char *)buf, buf_len);
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free(buf);
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int64_t fr_end = esp_timer_get_time();
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//ESP_LOGI(TAG, "BMP: %uKB %ums", (uint32_t)(buf_len/1024), (uint32_t)((fr_end - fr_start)/1000));
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Serial.printf("BMP: %uKB %ums", (uint32_t)(buf_len/1024), (uint32_t)((fr_end - fr_start)/1000));
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return res;
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}
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#endif
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static esp_err_t stream_handler(httpd_req_t *req){
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camera_fb_t * fb = NULL;
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esp_err_t res = ESP_OK;
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size_t _jpg_buf_len = 0;
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uint8_t * _jpg_buf = NULL;
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char * part_buf[64];
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static int64_t last_frame = 0;
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if(!last_frame) {
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last_frame = esp_timer_get_time();
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}
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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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}
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while(true){
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fb = esp_camera_fb_get();
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if (!fb) {
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Serial.printf("Camera capture failed");
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res = ESP_FAIL;
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} else {
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if(fb->format != PIXFORMAT_JPEG){
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int h = 0;
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int l = 0;
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int quadrant = 0;
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for(int i = 0; i < 9; i++)
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pp[i] = 0;
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//！ 1
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for(int i = 0; i < 20; i++){
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//！%
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sent_e_pp[i] = 0;
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}
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uint16_t color = 0;
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for(int i = 0; i < fb->len/2; i++){
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//Serial.printf("%d = %x\n",i, fb->buf[2*i]<<8|fb->buf[2*i+1]);
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//Serial.printf("%d = %x\n",i, fb->buf[2*i]<<8|fb->buf[2*i+1]);
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color = fb->buf[2*i]<<8|fb->buf[2*i+1];
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#if 0
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if(color > 48000)
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{
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//if(i/fb->width)
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h = i/fb->width;
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l = i%fb->width;
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quadrant = h/40 * 3 + l/53;
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if(quadrant > 8)quadrant = 8;
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//Serial.printf("%d\n",quadrant);
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pp[quadrant]++;
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}
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#else
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if(ColorComp(color,41261,80)){
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h = i/fb->width;
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l = i%fb->width;
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quadrant = h/40 * 3 + l/53;
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if(quadrant > 8)quadrant = 8;
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pp[quadrant]++;
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sent_e_pp[l/8]++;
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}
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#endif
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}
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uint16_t add = 0;
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for(int i = 0; i < 9; i++){
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//Serial.printf("%d = %d\n",i,pp[i]);
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add += pp[i];
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}
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//Serial.printf("%d\n",add);
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for(int i = 0; i < 9; i++){
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// Serial.printf("%d\n",add);
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sent_pp[i] = pp[i]*100/(fb->len/18);
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sprintf(percentage[i],"%d%%",pp[i]*100/(fb->len/18));
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//Serial.printf("%s\n",percentage[i]);
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}
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for(int h = 0; h < 320; h++){
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fb->buf[40 * 320 + h] = 0;
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fb->buf[80 * 320 + h] = 0;
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}
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for(int w = 0; w < 120; w++){
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fb->buf[53*2 + 320*w] = 0;
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fb->buf[53*2*2 + 320*w] = 0;
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}
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writeHzkAsc(fb,30,12, percentage[0]);
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writeHzkAsc(fb,136,12,percentage[1]);
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writeHzkAsc(fb,236,12,percentage[2]);
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writeHzkAsc(fb,30,52, percentage[3]);
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writeHzkAsc(fb,136,52,percentage[4]);
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writeHzkAsc(fb,236,52,percentage[5]);
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writeHzkAsc(fb,30,92, percentage[6]);
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writeHzkAsc(fb,136,92,percentage[7]);
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writeHzkAsc(fb,236,92,percentage[8]);
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bool jpeg_converted = frame2jpg(fb, 80, &_jpg_buf, &_jpg_buf_len);
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esp_camera_fb_return(fb);
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fb = NULL;
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if(!jpeg_converted){
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Serial.printf("JPEG compression failed");
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res = ESP_FAIL;
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}
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} else {
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_jpg_buf_len = fb->len;
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_jpg_buf = fb->buf;
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}
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}
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if(res == ESP_OK){
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size_t hlen = snprintf((char *)part_buf, 64, _STREAM_PART, _jpg_buf_len);
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res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
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}
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if(res == ESP_OK){
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res = httpd_resp_send_chunk(req, (const char *)_jpg_buf, _jpg_buf_len);
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}
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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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}
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if(fb){
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esp_camera_fb_return(fb);
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fb = NULL;
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_jpg_buf = NULL;
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} else if(_jpg_buf){
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free(_jpg_buf);
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_jpg_buf = NULL;
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}
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if(res != ESP_OK){
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break;
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}
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int64_t fr_end = esp_timer_get_time();
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int64_t frame_time = fr_end - last_frame;
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last_frame = fr_end;
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frame_time /= 1000;
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uint32_t avg_frame_time = ra_filter_run(&ra_filter, frame_time);/*
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Serial.printf("MJPG: %uB %ums (%.1ffps), AVG: %ums (%.1ffps)"
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,(uint32_t)(_jpg_buf_len),
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(uint32_t)frame_time, 1000.0 / (uint32_t)frame_time,
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avg_frame_time, 1000.0 / avg_frame_time
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);
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*/
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}
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last_frame = 0;
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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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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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buf = (char*)malloc(buf_len);
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if(!buf){
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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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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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} else {
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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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} else {
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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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} else {
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httpd_resp_send_404(req);
|
||
return ESP_FAIL;
|
||
}
|
||
|
||
int val = atoi(value);
|
||
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);
|
||
}
|
||
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);
|
||
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 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++ = '{';
|
||
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, "\"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);
|
||
*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 index_handler(httpd_req_t *req){
|
||
httpd_resp_set_type(req, "text/html");
|
||
httpd_resp_set_hdr(req, "Content-Encoding", "gzip");
|
||
return httpd_resp_send(req, (const char *)index_html_gz, index_html_gz_len);
|
||
}
|
||
|
||
void startCameraServer(){
|
||
|
||
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
|
||
|
||
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
|
||
};
|
||
|
||
|
||
ra_filter_init(&ra_filter, 20);
|
||
Serial.printf("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);
|
||
}
|
||
|
||
config.server_port += 1;
|
||
config.ctrl_port += 1;
|
||
Serial.printf("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);
|
||
httpd_register_uri_handler(stream_httpd, &stream_uri);
|
||
}
|
||
}
|