ESP32 Serial Upgrade over SDIO

vivek.vaghela
Posts: 10
Joined: Fri Oct 05, 2018 10:31 am

ESP32 Serial Upgrade over SDIO

Postby vivek.vaghela » Tue Feb 05, 2019 12:14 pm

Hi,
I have connected esp32 on my XYZ MCU over SDIO interface and I want to serial upgrade ESP32's Firmware.
Is it possible?

ESP_igrr
Posts: 2067
Joined: Tue Dec 01, 2015 8:37 am

Re: ESP32 Serial Upgrade over SDIO

Postby ESP_igrr » Tue Feb 05, 2019 12:39 pm

Assuming your ESP32 application can receive some kind of commands from the master over SDIO, you can add several commands for OTA:
- start sending OTA binary
- send one chunk of OTA binary
- end sending OTA binary and perform the update

In the ESP32 application, you can then map these commands to calls to the respective esp_ota_* APIs.

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