Re: [PR] boards/nucleo-h743zi: Add nxboot bootloader support [nuttx]

Wed, 11 Mar 2026 04:46:19 -0700 


acassis commented on PR #18509:
URL: https://github.com/apache/nuttx/pull/18509#issuecomment-4038662994

   > Hardware verification on Nucleo-H743ZI (ST-LINK V2J47M34).
   > 
   > `nucleo-h743zi:nxboot-loader` and `nucleo-h743zi:nxboot-app` both build 
successfully. Loader flashed and verified via OpenOCD:
   > 
   > ```
   > Info : Device: STM32H74x/75x
   > Info : flash size probed value 2048k
   > Info : STM32H7 flash has dual banks
   > Info : Bank (0) size is 1024 kb, base address is 0x08000000
   > ** Programming Finished **
   > ** Verified OK **
   > ```
   > 
   > **Loader boots and runs correctly on target.** Serial output (USART3, 
115200 8N1, via ST-Link virtual COM port):
   > 
   > ```
   > *** nxboot ***
   > *** nxboot **Could not find bootable image.
   > *
   > Validating recovery image
   > Validating primary image
   > Validating update image
   > ERROR: No bootable image found
   > ```
   > 
   > "No bootable image found" is expected — the OTA slots are empty. The 
bootloader validated all three slots correctly.
   > 
   > **NSH console also verified.** Switching the entrypoint to `nsh_main` (one 
config change, no code changes) confirms the full board support stack works 
end-to-end:
   > <img alt="image-3" width="611" height="423" 
src="https://private-user-images.githubusercontent.com/37657/561423265-2844d7ae-6efc-4572-99b6-af75813aed75.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3NzMyMjcyOTYsIm5iZiI6MTc3MzIyNjk5NiwicGF0aCI6Ii8zNzY1Ny81NjE0MjMyNjUtMjg0NGQ3YWUtNmVmYy00NTcyLTk5YjYtYWY3NTgxM2FlZDc1LnBuZz9YLUFtei1BbGdvcml0aG09QVdTNC1ITUFDLVNIQTI1NiZYLUFtei1DcmVkZW50aWFsPUFLSUFWQ09EWUxTQTUzUFFLNFpBJTJGMjAyNjAzMTElMkZ1cy1lYXN0LTElMkZzMyUyRmF3czRfcmVxdWVzdCZYLUFtei1EYXRlPTIwMjYwMzExVDExMDMxNlomWC1BbXotRXhwaXJlcz0zMDAmWC1BbXotU2lnbmF0dXJlPTAyOGFiMGViZWZkYmVkZjM4MTE0MDJmMzU5OTRiYTJjNjU2NjFjODQ4MzA5NjNmZTBmMzU5YzUzNDI2MzdhZTQmWC1BbXotU2lnbmVkSGVhZGVycz1ob3N0In0.YtHN_CDwcaYxfc4xSfbWOwlj3rs4w1UKRLD8tzQUZAw";>
   > 
   > ```
   > NuttShell (NSH) NuttX-12.12.0
   > Welcome to NuttX nxboot Loader!
   > nsh>
   > ```
   
   I think this Hercules serial console doesn't have VT102 support, it explains 
why you see this "[K". I think TeraTerm has support.


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