Need to save data to internal flash for the first time. Guidance needed
Hello everyone,
For the first time now I need to write some data to the flash memory so it doesn't get lost when the board is turned off.
I am using STM32F476-DISCO board. From the data sheet, I see that the main memory block contains 8 different sections. With these sections having different sizes.
Now my questions are the following:
1- The data I need to store consist of few bytes, nothing huge. I need to program it to the memory, and update it during runtime if I need to. Is my flash memory approach the right way to do it ?
2- How can I be sure that the address I am willing to write to is not used by any other functionality (firmware etc...). I am using TouchGFX in my project, I am not sure what memory addresses are used so I can avoid it.
3- As far as I know, when erasing data from any sector on the memory, the entire sector must be erased in the process. Does this mean that my saved data needs to be in a different sector other than those used for booting firmware or by TouchGFX ?