Search found 7 matches
- Tue Jul 02, 2024 3:09 pm
- Forum: ESP-IDF
- Topic: mqtt_client keepalive
- Replies: 6
- Views: 4891
Re: mqtt_client keepalive
Everything is good... ok, the mqtt client is working, but I still do not understand the choice of halving the keepalive interval... why not choosing keepalive - 1 or keepalive / 3... My customers make me notice this behaviour, they setup the device with a keepalive value and then they discover that...
- Fri Mar 08, 2024 2:30 pm
- Forum: ESP-IDF
- Topic: MQTT connection issue with dual connection interface WiFi and Ethernet
- Replies: 0
- Views: 1993
MQTT connection issue with dual connection interface WiFi and Ethernet
Good morning, I am working on a project based on idf 5.2.1 and esp32-s3. The board is designed to have a dual connectivity interface with both WiFi and Ethernet. By setting the .route_prio parameter in the esp_netif_config_t structure, I assign priority to the two interfaces. In particular, I have c...
- Thu Aug 10, 2023 1:44 pm
- Forum: General Discussion
- Topic: NVS encryption activation with an OTA
- Replies: 1
- Views: 1195
NVS encryption activation with an OTA
Hello, I wanted to know if anyone has experience in enabling NVS encryption through an OTA. The tests I conducted involved OTA installation of a firmware that, upon startup, would update the bootloader (enabling secure boot and flash encryption) and the partition table by adding the nvs_key record a...
- Thu Dec 15, 2022 12:01 pm
- Forum: ESP-IDF
- Topic: Can't understand why I have this warning comparison of unsigned expression < 0 is always false
- Replies: 0
- Views: 826
Can't understand why I have this warning comparison of unsigned expression < 0 is always false
Hi, I can't understand why I have this kind of warning: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] The operation is: if ( SUBSCRIPTION_EXPIRY_TIME - ((hwRtc - lastSub)*1000) < 0 ) where variable and definitions are: #define SUBSCRIPTION_EXPIRY_TIME (5*60*1000) tim...
- Tue Nov 03, 2020 4:20 pm
- Forum: General Discussion
- Topic: Camera OV2640 - instable JPEG stream
- Replies: 3
- Views: 8146
Re: Camera OV2640 - instable JPEG stream
Same problem here.
Any update?
This is an example of "broken" image
Any update?
This is an example of "broken" image
- Wed Sep 11, 2019 1:21 pm
- Forum: General Discussion
- Topic: Secure boot will not avoid load firmware on a different hardware
- Replies: 0
- Views: 2011
Secure boot will not avoid load firmware on a different hardware
The first test I have done, it is to dump the memory from address 0 of a module I was expecting that the firmware won't boot. I was wrong! The board boot without problem and activate secure boot on the new module. So if someone will clone my hardware, he can just dump the memory and use it on a clon...
- Wed Sep 11, 2019 12:28 pm
- Forum: General Discussion
- Topic: Secure boot not so secure....
- Replies: 1
- Views: 3045
Secure boot not so secure....
Hi, I'm starting to use secure bootloader with the purpose that firmware will run only on my hardware. The first test I have done, is to dump the memory from address 0 of a module with secure boot and signed app and flash it to a brand new module. I was expecting that the firmware won't boot. I was ...