usb: work on SCSI

embassy-usb/src/class/msc/subclass/scsi/mod.rs

@@ -0,0 +1,37 @@
+// pub mod bitfield;
+pub mod block_device;
+pub mod commands;
+pub mod enums;
+pub mod packet;
+pub mod responses;
+
+use self::block_device::BlockDevice;
+use crate::class::msc::transport::{self, CommandSetHandler};
+
+pub struct Scsi<B: BlockDevice> {
+    device: B,
+}
+
+impl<B: BlockDevice> CommandSetHandler for Scsi<B> {
+    async fn command_out(
+        &mut self,
+        lun: u8,
+        cmd: &[u8],
+        pipe: &mut impl transport::DataPipeOut,
+    ) -> Result<(), transport::CommandError> {
+        assert!(lun == 0, "LUNs are not supported");
+
+        Ok(())
+    }
+
+    async fn command_in(
+        &mut self,
+        lun: u8,
+        cmd: &[u8],
+        pipe: &mut impl transport::DataPipeIn,
+    ) -> Result<(), transport::CommandError> {
+        assert!(lun == 0, "LUNs are not supported");
+
+        Ok(())
+    }
+}