How can i save the data entered from keyboard on flash memory?

[BGünç.1]

I want to save the text entered from keyboard (widget) . How can i do that? Or how can i access the address of the text entered from keyboard? Could someone help me?

[MM..1]

Save to use after poweroff, or save for actual runtime?

[BGünç.1]

Firstly, thanks for the response. After poweroff. I save the text in a box. Then, after i entered the text and after poweroff, i want to still be there.

[MM..1]

Then you need solve 3 steps in your code.

1. learn and implement EEPROM emulation techniques and software for STM32 Microcontrollers - Application note
2. before poweroff store text to eeprom space
3. after poweron load back in screen or main setup stage

Maybe you dont need emulation , when your MCU have internal EEPROM or you use an external...