About ZAYN

ZAYN · 2025-02-05

Hello,I am working on the development of a bootloader for the STM32L4S5ZIT6, and I need help to implement a feature where the bootloader is triggered after receiving a user request in the main application (the main app saves a marker in memory).Here ...

ZAYN · 2025-01-23

Hello everyone,I’m currently working on developing a bootloader, and I’m trying to implement a memory backup function. My goal is to copy 158 pages of 4 KB from BANK1 to BANK2.I’ve written software that uses the standard copy function with FLASH_TYP...

ZAYN · 2024-12-24

Hello Community,I have been working on CAN for two days, and I haven't been able to figure out the baud rate issue I'm facing. I'm using the HSE as the clock source with a value of 25MHz, as mentioned in the UM2248 document (I'm using the STM32L4R9I-...

ZAYN · 2025-01-23

Hello Andrew,To use the fast programming mode, I believe it is mandatory to perform a mass erase of the entire flash memory, not just a defined number of pages.Could I, for example, perform an erase of only Bank 2 and then use the fast mode?Alternati...

ZAYN · 2025-01-23

I’ve tried using DMA, and while it seems to work, I believe it’s not the best solution for my scenario due to certain limitations.What limitations, exactly?Sorry, what I meant to say is that I tried using DMA for the write operation, but it doesn't w...

ZAYN · 2025-01-23

Hello Andrew,Thank you for your feedback.Do you really need to do a byte-by-byte compare?-> No, there's no need to compare byte by byte. The function that takes a lot of time is the one used to copy the entire binary application to the backup section...

ZAYN · 2024-12-27

Hello Community,Thank you very much for your help.I measured the clock signal at the quartz using an oscilloscope, and I confirmed it's 16 MHz.I understand that there might be multiple versions of the evaluation board, which could explain the discrep...

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Implementing STM32L4S5ZIT6 Bootloader with a Memory Marker

memory backup within strict time limit (10s max) on STM32L4R9

Confusion Between HSE Clock Value in the Schematics on STM32L4R9I-EVAL Board and user manual

Re: memory backup within strict time limit (10s max) on STM32L4R9

Re: memory backup within strict time limit (10s max) on STM32L4R9

Re: memory backup within strict time limit (10s max) on STM32L4R9

Re: Confusion Between HSE Clock Value in the Schematics on STM32L4R9I-EVAL Board and user manual