Already working codes doesn't work any more.

[brigei]

Hi,

below is my code which already worked. Unfortunately now I get this error.

##############################################
CORRUPT HEAP: Bad head at 0x3f85dc2c. Expected 0xabba1234 got 0x3f9ffff4
abort() was called at PC 0x4008a41d on core 1

ELF file SHA256: 0000000000000000

Backtrace: 0x4008de14:0x3ffdca10 0x4008e08d:0x3ffdca30 0x4008a41d:0x3ffdca50 0x4008a549:0x3ffdca80 0x400fd3db:0x3ffdcaa0 0x400f8eb5:0x3ffdcd60 0x400f8dbd:0x3ffdcdb0 0x400933dd:0x3ffdcde0 0x40082746:0x3ffdce00 0x4008a315:0x3ffdce20 0x4000bec7:0x3ffdce40 0x400d1152:0x3ffdce60 0x4011b9dd:0x3ffdcf80 0x4011c535:0x3ffdcfb0 0x4011c5ed:0x3ffdd040 0x4011bc48:0x3ffdd060 0x4011acc0:0x3ffdd080 0x4011ad17:0x3ffdd0c0 0x4008fd1e:0x3ffdd0e0

Rebooting...
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Code: [Select all] [Expand/Collapse]

1. #include "esp_camera.h"
2. #include <WiFi.h>
3. #include "soc/soc.h"
4. #include "soc/rtc_cntl_reg.h"
5. #include <LITTLEFS.h>
6. #include <FS.h>
7. #include "esp_timer.h"
8. #include "Arduino.h"
9. #include "fb_gfx.h"
10. #include "esp_http_server.h"
11.  
12. #define led 33
13. #define PART_BOUNDARY "123456789000000000000987654321"
14.  
15. const char* ssid = "Mi Casa";
16. const char* password = "W1xldgmnuweadWs!";
17.  
18. static const char* _STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary=" PART_BOUNDARY;
19. static const char* _STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
20. static const char* _STREAM_PART = "Content-Type: image/jpeg\r\nContent-Length: %u\r\n\r\n";
21.  
22. httpd_handle_t stream_httpd = NULL;
23.  
24. static esp_err_t stream_handler(httpd_req_t *req){
25.   camera_fb_t * fb = NULL;
26.   esp_err_t res = ESP_OK;
27.   size_t _jpg_buf_len = 0;
28.   uint8_t * _jpg_buf = NULL;
29.   char * part_buf[64];
30.  
31.   res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
32.   if(res != ESP_OK){
33.     return res;
34.   }
35.  
36.   while(true){
37.     fb = esp_camera_fb_get();
38.     _jpg_buf_len = fb->len;
39.     _jpg_buf = fb->buf;
40.  
41.     if(res == ESP_OK){
42.       size_t hlen = snprintf((char *)part_buf, 64, _STREAM_PART, _jpg_buf_len);
43.       res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
44.     }
45.     if(res == ESP_OK){
46.       res = httpd_resp_send_chunk(req, (const char *)_jpg_buf, _jpg_buf_len);
47.     }
48.     if(res == ESP_OK){
49.       res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
50.     }
51.  
52.     esp_camera_fb_return(fb);
53.     fb = NULL;
54.     free(_jpg_buf);
55.     _jpg_buf = NULL;
56.  
57.     if(res != ESP_OK){
58.       break;
59.     }
60.   }
61.   return res;
62. }
63.  
64. void startCameraServer(){
65.   httpd_config_t config = HTTPD_DEFAULT_CONFIG();
66.   config.server_port = 80;
67.  
68.   httpd_uri_t index_uri = {
69.     .uri       = "/",
70.     .method    = HTTP_GET,
71.     .handler   = stream_handler,
72.     .user_ctx  = NULL
73.   };
74.  
75.   Serial.printf("Starting web server on port: '%d'\n", config.server_port);
76.   if (httpd_start(&stream_httpd, &config) == ESP_OK) {
77.     httpd_register_uri_handler(stream_httpd, &index_uri);
78.   }
79. }
80.  
81. void setup()
82. {
83.   WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); // prevent brownouts by silencing them
84.  
85.   Serial.begin(115200);
86.   Serial.setDebugOutput(true);
87.   Serial.println();
88.   pinMode(led, OUTPUT);
89.  
90.   LITTLEFS.begin(true);
91.  
92.   WiFi.begin(ssid, password);
93.   Serial.print("WLAN Verbindungsaufbau...");
94.   while (WiFi.status() != WL_CONNECTED)
95.   {
96.       Serial.print(".");
97.       delay(200);
98.   }
99.   Serial.println();
100.   Serial.println("Verbunden");
101.   Serial.print("IP-Adresse: ");
102.   Serial.println(WiFi.localIP());
103.  
104.   camera_config_t config;
105.   config.ledc_channel = LEDC_CHANNEL_0;
106.   config.ledc_timer = LEDC_TIMER_0;
107.   config.pin_d0 = 5;
108.   config.pin_d1 = 18;
109.   config.pin_d2 = 19;
110.   config.pin_d3 = 21;
111.   config.pin_d4 = 36;
112.   config.pin_d5 = 39;
113.   config.pin_d6 = 34;
114.   config.pin_d7 = 35;
115.   config.pin_xclk = 0;
116.   config.pin_pclk = 22;
117.   config.pin_vsync = 25;
118.   config.pin_href = 23;
119.   config.pin_sscb_sda = 26;
120.   config.pin_sscb_scl = 27;
121.   config.pin_pwdn = 32;
122.   config.pin_reset = -1;
123.   config.xclk_freq_hz = 20000000;
124.   config.pixel_format = PIXFORMAT_JPEG;
125.   config.frame_size = FRAMESIZE_UXGA;
126.   config.jpeg_quality = 10;
127.   config.fb_count = 2;
128.  
129.   esp_err_t err = esp_camera_init(&config);
130.   if (err != ESP_OK) {
131.     Serial.printf("Camera init failed with error 0x%x", err);
132.     return;
133.   }
134.   else {
135.     Serial.println("Camera initialisiert.");
136.   }
137.  
138.   sensor_t * s = esp_camera_sensor_get();
139.   s->set_framesize(s, FRAMESIZE_UXGA);
140.   s->set_vflip(s, 0);
141.   s->set_hmirror(s, 0);
142.  
143.   startCameraServer();
144.  
145. }
146.  
147.  
148. void loop()
149. {
150.   delay(1000);
151. }
152.  

GeSHi © Codebox Plus Extension

[ESP_Sprite]

You're free()'ing _jpg_buf while you do not own the memory it points to (it's a pointer to a member of fb, and that memory gets freed with esp_camera_fb_return())

[brigei]

Hi,

Thanks for your reply. That‘s it!

Greetings.

PS: Now I just have to find out how to close this post