func | Progress callback function address |
The progress callback function is executed in the following situations:
When an immediate return-type function was called:
The progress callback function is called each time the writing of one block is completed. Because reading one block in a memory card requires approximately 1 Int and a write requires approximately 5 Int, that is how often the callback function is called.
When a memory card has been inserted:
If a memory card is inserted, the system area, FAT, directory entry and other management areas are read. There are a total of 15 blocks of management area that need to be read; reading all of them requires 16 Int.