Did you add the header file to include fstorage? An undefined reference means that it is unable to compile the command as you have not defined fstorage in your program. You can refer this thread to know how to solve this issue. In your case, look at the example flash_fstorage.
Did you add the header file to include fstorage? An undefined reference means that it is unable to compile the command as you have not defined fstorage in your program. You can refer this thread to know how to solve this issue. In your case, look at the example flash_fstorage.
