Adapt UDP to W5100

src/cursor.rs

@@ -40,7 +40,7 @@ where
 
         let count = self.available().min(buf.len() as u16);
         self.bus
-            .read_frame(self.sock.rx_buffer(), self.ptr, &mut buf[..count as _])?;
+            .read_frame(self.ptr, &mut buf[..count as _])?;
         Ok(self.skip(count))
     }
 
@@ -110,7 +110,7 @@ where
 
         let count = buf.len() as u16;
         self.bus
-            .write_frame(self.sock.tx_buffer(), self.ptr, &buf[..count as _])?;
+            .write_frame(self.ptr, &buf[..count as _])?;
         self.ptr = self.ptr.wrapping_add(count);
         self.size -= count;
         Ok(count)