polyfs
Extensible asynchronous no_std and no_alloc driver collection for working with storage devices. It currently works with MBR formatted SD cards, including read-only support for the FAT32 file system. While this doesn't seem like much, this crate was built from the ground for async and extensibility. It includes a bunch of generic code to make adding new device types and file systems less terrible.
This crate is generic over embedded-hal-async and embedded-io-async and thus should be compatible with a wide range of other crates and (some) legacy code out there.
Current state of polyfs
This crate is still in development and lacks many features. Here's what we have so far:
| Feature | Status |
|---|---|
| SD card via SPI | ✅ |
| MBR partition table | 🔬 only first partition |
| FAT32 file system | 🔬 read-only, no LFN support |
| ExFAT file system | 🚧 planned |
| SD card via SDIO | 🚧 planned |
| GPT partition table | 🚧 planned |
License
polyfs is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
polyfs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.