It was solved by a very strange way. I just added the call of ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_NONE)); after ESP_ERROR_CHECK( esp_wifi_start() );
No one corrupted picture hasn't appeared since while.
Search found 5 matches
- Wed Jul 01, 2020 3:32 pm
- Forum: Hardware
- Topic: ESP32-CAM sends corrupted picture
- Replies: 5
- Views: 10503
- Sun Apr 19, 2020 11:59 am
- Forum: Hardware
- Topic: ESP32-CAM sends corrupted picture
- Replies: 5
- Views: 10503
Re: ESP32-CAM sends corrupted picture
I suspect that LEDC which feeds XCLK and I2C use the various timers and it can cause synchronization issues. I've been playing with the ov2640 registers and noticed that as less errors as higher PCLK. Now I check structure of obtained JPEG and skip corrupted. It allows avoiding 80% spoiled pictures.
- Wed Apr 15, 2020 6:27 pm
- Forum: Hardware
- Topic: ESP32-CAM: what is the maximum capacity of the microSD card ?
- Replies: 9
- Views: 94226
Re: ESP32-CAM: what is the maximum capacity of the microSD card ?
I think it's specified by file system FAT-32
- Wed Apr 15, 2020 3:03 pm
- Forum: Hardware
- Topic: ESP32-CAM sends corrupted picture
- Replies: 5
- Views: 10503
ESP32-CAM sends corrupted picture
I installed subj with ov2640 for watching but sometimes I obtain corrupted in such way picture (loss horiz sync?)
XCLK 20Mhz. no divided on PLL resl 640x480
What is the cause of this? What is the reason? Does it bug of camera?XCLK 20Mhz. no divided on PLL resl 640x480
- Mon Jan 20, 2020 9:04 pm
- Forum: General Discussion
- Topic: File upload using socket succeeds but not with esp_http_client
- Replies: 14
- Views: 18902
Re: File upload using socket succeeds but not with esp_http_client
Hi. I was trying to upload file but my server on clojure (ring.adapter.jetty) determines a error. I pointed on array with data in function esp_http_client_set_post_field(...)