haptics: adds a wrapper for the DRV2605L haptic motor driver

... with facilities to trigger effects via the system fsm.

3 files changed, 17 insertions, 0 deletions

diff --git a/src/system_fsm/include/service_locator.hpp b/src/system_fsm/include/service_locator.hpp
index 327d0c50..4aa57df0 100644
--- a/src/system_fsm/include/service_locator.hpp
+++ b/src/system_fsm/include/service_locator.hpp
@@ -13,6 +13,7 @@
 #include "collation.hpp"
 #include "database.hpp"
 #include "gpios.hpp"
+#include "haptics.hpp"
 #include "nvs.hpp"
 #include "samd.hpp"
 #include "storage.hpp"
@@ -79,6 +80,14 @@ class ServiceLocator {
     touchwheel_ = std::move(i);
   }
 
+  auto haptics() -> drivers::Haptics& {
+    return *haptics_;
+  }
+
+  auto haptics(std::unique_ptr<drivers::Haptics> i) {
+    haptics_ = std::move(i);
+  }
+
   auto database() -> std::weak_ptr<database::Database> { return database_; }
 
   auto database(std::unique_ptr<database::Database> i) {
@@ -130,6 +139,7 @@ class ServiceLocator {
   std::unique_ptr<drivers::Samd> samd_;
   std::unique_ptr<drivers::NvsStorage> nvs_;
   std::unique_ptr<drivers::TouchWheel> touchwheel_;
+  std::unique_ptr<drivers::Haptics> haptics_;
   std::unique_ptr<drivers::Bluetooth> bluetooth_;
 
   std::unique_ptr<audio::TrackQueue> queue_;
diff --git a/src/system_fsm/include/system_events.hpp b/src/system_fsm/include/system_events.hpp
index 4db9beb0..2722fa80 100644
--- a/src/system_fsm/include/system_events.hpp
+++ b/src/system_fsm/include/system_events.hpp
@@ -10,6 +10,7 @@
 
 #include "battery.hpp"
 #include "database.hpp"
+#include "haptics.hpp"
 #include "service_locator.hpp"
 #include "tinyfsm.hpp"
 
@@ -55,6 +56,10 @@ struct BatteryStateChanged : tinyfsm::Event {
 
 struct BluetoothDevicesChanged : tinyfsm::Event {};
 
+struct HapticTrigger : tinyfsm::Event {
+  drivers::Haptics::Effect effect;
+};
+
 namespace internal {
 
 struct GpioInterrupt : tinyfsm::Event {};
diff --git a/src/system_fsm/include/system_fsm.hpp b/src/system_fsm/include/system_fsm.hpp
index 28448e5a..c9803bef 100644
--- a/src/system_fsm/include/system_fsm.hpp
+++ b/src/system_fsm/include/system_fsm.hpp
@@ -50,6 +50,8 @@ class SystemState : public tinyfsm::Fsm<SystemState> {
   void react(const internal::GpioInterrupt&);
   void react(const internal::SamdInterrupt&);
 
+  void react(const HapticTrigger&);
+
   virtual void react(const DisplayReady&) {}
   virtual void react(const BootComplete&) {}
   virtual void react(const StorageMounted&) {}