esp32_ota
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
esp32_ota [2024/03/19 22:45] sausage [Preparing some test Firmware] |
esp32_ota [2024/03/20 01:50] (current) sausage [ESP32 OTA and Rollbacks - What happens under the hood?] |
||
|---|---|---|---|
| Line 5: | Line 5: | ||
| Over The Air (OTA) provides a way to send firmware to your ESP32 board in the field without the need for a cable and physical access to the device. | Over The Air (OTA) provides a way to send firmware to your ESP32 board in the field without the need for a cable and physical access to the device. | ||
| - | The purpose of this article is manually step through the various stages of the OTA process and illustrate the state of the ESP32 at each stage. | + | The purpose of this article is to manually step through the various stages of the OTA process and illustrate the state of the ESP32 at each stage. |
| Together we will set up a number of firmwares suitable for testing on different partitions in flash memory. | Together we will set up a number of firmwares suitable for testing on different partitions in flash memory. | ||
| Line 470: | Line 470: | ||
| All our firmwares failed to run the ''esp_ota_mark_app_valid_cancel_rollback()'' to mark the ''otadata'' as valid. So in each case, they have become aborted and rolled back to the previously known good firmware. | All our firmwares failed to run the ''esp_ota_mark_app_valid_cancel_rollback()'' to mark the ''otadata'' as valid. So in each case, they have become aborted and rolled back to the previously known good firmware. | ||
| - | The ''factory'' firmware isn't controlled by the ''otadata'', the rollback process or OTA at all. | + | The ''factory'' firmware isn't affected by ''otadata'', or the rollback process, or OTA at all. |
| To finish up, let's take a last look at the raw otadata: | To finish up, let's take a last look at the raw otadata: | ||
| Line 515: | Line 515: | ||
| ===== Thank yous ===== | ===== Thank yous ===== | ||
| - | Many thanks to boarchuz and craig from the [[https://discord.gg/wwK29JJV|Espressif MCUs]] discord server for their advice on details in this article. | + | Many thanks to boarchuz and craig from the [[https://discord.gg/wwK29JJV|Espressif MCUs]] discord server for their assistance with this article. |
esp32_ota.1710888309.txt.gz ยท Last modified: 2024/03/19 22:45 by sausage
Page Tools
