From 10bbe9958264d5d152e6a46c34fd90309a413a4b Mon Sep 17 00:00:00 2001
From: Michael Watzko <michael@watzko.de>
Date: Tue, 23 Mar 2021 23:31:51 +0100
Subject: [PATCH] Add Device::deactivate and InactiveDevice::activate

---
 src/device.rs | 25 +++++++++++++++++++++++++
 src/lib.rs    | 33 ++++++++++++++++-----------------
 2 files changed, 41 insertions(+), 17 deletions(-)

diff --git a/src/device.rs b/src/device.rs
index 92d9a1f..c0271fd 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -75,4 +75,29 @@ impl<SpiBus: Bus, HostImpl: Host> Device<SpiBus, HostImpl> {
     pub fn release(self) -> (SpiBus, HostImpl) {
         (self.bus, self.host)
     }
+
+    pub fn deactivate(self) -> (SpiBus, InactiveDevice<HostImpl>) {
+        (
+            self.bus,
+            InactiveDevice {
+                host: self.host,
+                sockets: self.sockets,
+            },
+        )
+    }
+}
+
+pub struct InactiveDevice<HostImpl: Host> {
+    host: HostImpl,
+    sockets: [u8; 1],
+}
+
+impl<HostImpl: Host> InactiveDevice<HostImpl> {
+    pub fn activate<SpiBus: Bus>(self, bus: SpiBus) -> Device<SpiBus, HostImpl> {
+        Device {
+            bus,
+            host: self.host,
+            sockets: self.sockets,
+        }
+    }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 7c956b1..6d4b0f8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,22 @@
 #![no_std]
 #![allow(unused)]
 #![deny(broken_intra_doc_links)]
-#[macro_use(block)]
+
+pub mod bus;
+mod device;
+mod host;
+pub mod net;
+pub mod register;
+mod socket;
+pub mod udp;
+mod uninitialized_device;
+
+pub use device::{Device, InactiveDevice};
+pub use host::{Dhcp, HostConfig, Manual};
+pub use net::MacAddress;
+pub use uninitialized_device::UninitializedDevice;
+
+// TODO add better docs to all public items, add unit tests.
 
 /// Settings for wake on LAN.  Allows the W5500 to optionally emit an interrupt upon receiving a packet
 #[repr(u8)]
@@ -53,19 +68,3 @@ impl Default for Mode {
         }
     }
 }
-
-// TODO add better docs to all public items, add unit tests.
-
-pub mod bus;
-mod device;
-mod host;
-pub mod net;
-pub mod register;
-mod socket;
-mod udp;
-mod uninitialized_device;
-
-pub use device::Device;
-pub use host::{Dhcp, HostConfig, Manual};
-pub use net::MacAddress;
-pub use uninitialized_device::UninitializedDevice;