Looking for Written Example User Specific Boot-loader Source code for STM32H725/735 with USART and CAN protocol

[kalvacherla.chandrashekhar]

We want to develop our own Boot-Loader for STM32H725/735 , is there an Written Example User Specific Boot-loader Source code from ST for STM32H725/735 to work with USART and CAN protocol

[Imen.D]

Hello @kalvacherla.chandrashekhar​ 

ST cannot provide the source code for the bootloader.

I recommend that yourefer to the application note AN2606 "STM32 microcontroller system memory boot mode", and you find related information to STM32H7xx bootloader.

I hope you find this document useful.

Imen 

[kalvacherla.chandrashekhar]

Hi Imen,

We are using STM32H745XI for our Safety project and as our project architecture is designed in such way that we do not use the In-Build ST Boot loader at ( System Memory 0x1FF0_0000 - 0x1FF5_FFFF ).

We are developing our Custom Boot-Loader starting at User Main Memory Bank1 Sector 0 (0x0800_0000 to 0x0801_FFFF ) .

We have an NDA with ST .

Can ST provide FLASH_ERASE and FLASH_WRITE for STM32H745XI .

All we will need is FLASH_WRITE and FLASH_ERASE to be able to work on STM32H745XI .

If we get this our project will succeed , we already developed all the other logic .

[Tesla DeLorean · Accepted solution]

Work with the FAE assigned to your account at your local sales office. The forum is primarily a user-to-user venue.

For more work product related items you should perhaps check local contractors/consultants.

STM32Cube_FW_H7_V1.7.0\Projects\STM32H745I-DISCO\Examples\FLASH\FLASH_CoreConfiguration\CM7\Src\main.c

STM32Cube_FW_H7_V1.7.0\Projects\STM32H7B3I-DK\Examples\FLASH\FLASH_EraseProgram

IAP example

STM32Cube_FW_H7_V1.7.0\Projects\STM32H743I-EVAL\Applications\USB_Host\FWupgrade_Standalone