Add tinyfsm, start converting core functions to an FSM-based event loop

1 files changed, 0 insertions, 54 deletions

diff --git a/src/drivers/include/driver_cache.hpp b/src/drivers/include/driver_cache.hpp
deleted file mode 100644
index c56ebc3f..00000000
--- a/src/drivers/include/driver_cache.hpp
+++ /dev/null
@@ -1,54 +0,0 @@
-#pragma once
-
-#include <memory>
-#include <mutex>
-
-#include "dac.hpp"
-#include "display.hpp"
-#include "gpio_expander.hpp"
-#include "storage.hpp"
-#include "touchwheel.hpp"
-
-namespace drivers {
-
-class DriverCache {
- private:
-  std::unique_ptr<GpioExpander> gpios_;
-  std::weak_ptr<AudioDac> dac_;
-  std::weak_ptr<Display> display_;
-  std::weak_ptr<SdStorage> storage_;
-  std::weak_ptr<TouchWheel> touchwheel_;
-  // TODO(jacqueline): Haptics, samd
-
-  std::mutex mutex_;
-
-  template <typename T, typename F>
-  auto Acquire(std::weak_ptr<T> ptr, F factory) -> std::shared_ptr<T> {
-    std::shared_ptr<T> acquired = ptr.lock();
-    if (acquired) {
-      return acquired;
-    }
-
-    std::lock_guard<std::mutex> lock(mutex_);
-
-    acquired = ptr.lock();
-    if (acquired) {
-      return acquired;
-    }
-    acquired.reset(factory());
-    ptr = acquired;
-    return acquired;
-  }
-
- public:
-  DriverCache();
-  ~DriverCache();
-
-  auto AcquireGpios() -> GpioExpander*;
-  auto AcquireDac() -> std::shared_ptr<AudioDac>;
-  auto AcquireDisplay() -> std::shared_ptr<Display>;
-  auto AcquireStorage() -> std::shared_ptr<SdStorage>;
-  auto AcquireTouchWheel() -> std::shared_ptr<TouchWheel>;
-};
-
-}  // namespace drivers