OTA IN STM32U575 USING ESP32

[premkumar]

IS ANY BODY HELP ME IN THE OTA OF THE STM32U575 USING THE ESP32

1. HOW TO SETUP THE SYSTEM BOOTLOADER TO RECEIVE THE FIRMWARE (.BIN FILE) VIA UART AND HOW TO SELECT WHICH UART TO USE FOR UPLOAD , THERE ARE MORE UART WHICH SUPPORT THE UART FLASHING HOW TO ACTIVATE THE DESIRED UART FOR THE FIRMWARE UPLOAD

2. PLEASE SHARE ME ANR RESOUSE REGARDING SYSTEM BOOTLOADER CONFIGURATIONS

3. PLEASE SHARE ANY ESP32 FIRMWARE TRANSMIT THE BINARY FILE VIA UART

[Andrew Neil]

Welcome to the forum.

PLEASE DON'T WRITE THE WHOLE POST IN ALL CAPITALS!

https://community.st.com/t5/stm32-mcus-products/how-can-i-use-an-esp32-to-update-the-firmware-of-an-stm32-from/m-p/696241

https://community.st.com/t5/stm32-mcus-embedded-software/stm32g0b1ret6-fota-update-through-uart/m-p/790490

[premkumar]

sorry for that
in stm32u575

              Will you help me ,how the system bootloader works , how to activate that and how to receive the firmware via usart and selecting the uart for the firmware is ther any configuration  

[Tesla DeLorean]

AN2606 describes the pins involved. Shows the UART Rx pins. You send an 0x7F data pattern at baud rate with 8E1 format for it to auto baud.

AN3155 describes the protocol after you reset with BOOT0  HIGH.

See examples on Arduino MKR WAN1300 Github