Resolved! But it is normal to write single blocks continuously (cmd24), but the speed is a little slow. I use FatFs to write multiple blocks (cmd25) to SD card. I can only create a new TXT file, but there is no data in it.
But it is normal to write single blocks continuously (cmd24), but the speed is a little slow. I use FatFs to write multiple blocks (cmd25) to SD card. I can only create a new TXT file, but there is no data in it. And when writing multiple blocks, the...