- -How can I implement a SD card hot swap mechanism?
-How can I protect the data loss during my program is writing data into a SD card, and my device is suffer from unexpected power off/low voltage etc?
here is what I want to do:
- -be able to pull out the sd card without data loss problem while the device is operating.
-and my device is able to switch on/off any time.
I don't have a clue where do start, so any advice, keywords I should be googling is appreciated.