From 1c07b969a142840bcf40dd5c01c87299cc6229bd Mon Sep 17 00:00:00 2001
From: Ryan Summers <ryan.summers@vertigo-designs.com>
Date: Wed, 3 Jul 2024 15:08:19 +0200
Subject: [PATCH] Reviving InactiveDevice

---
 CHANGELOG.md  |  2 +-
 src/device.rs | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9248b6a..94fe2ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - [breaking] The driver now uses the v1.0 of the `embedded-hal` traits.
-- [breaking] The `FourWireRef` bus, `InactiveDevice`, and `DeviceRefMut` have been removed in favor of using
+- [breaking] The `FourWireRef` bus and `DeviceRefMut` have been removed in favor of using
 `embedded-hal-bus` to facilitate SPI bus sharing.
 
 ### Added
diff --git a/src/device.rs b/src/device.rs
index 9ee966b..0807899 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -229,4 +229,19 @@ impl<SpiBus: Bus, HostImpl: Host> Device<SpiBus, HostImpl> {
 
         Ok(retry_count_register[0])
     }
+
+    pub fn deactivate(self) -> (SpiBus, InactiveDevice<HostImpl>) {
+        (self.bus, InactiveDevice(self.state))
+    }
+}
+
+#[derive(Debug)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
+pub struct InactiveDevice<HostImpl: Host>(DeviceState<HostImpl>);
+
+impl<HostImpl: Host> InactiveDevice<HostImpl> {
+    /// Activates the device by taking ownership
+    pub fn activate<SpiBus: Bus>(self, bus: SpiBus) -> Device<SpiBus, HostImpl> {
+        Device { bus, state: self.0 }
+    }
 }