Add interrupts for samd changes

2 files changed, 22 insertions, 5 deletions

diff --git a/src/drivers/include/gpios.hpp b/src/drivers/include/gpios.hpp
index 5ac475bf..fe330e3b 100644
--- a/src/drivers/include/gpios.hpp
+++ b/src/drivers/include/gpios.hpp
@@ -107,8 +107,7 @@ class Gpios : public IGpios {
    */
   auto Read(void) -> bool;
 
-  auto InstallReadPendingISR() -> void;
-  auto IsReadPending() -> SemaphoreHandle_t { return read_pending_; }
+  static auto CreateReadPending() -> SemaphoreHandle_t;
 
   // Not copyable or movable. There should usually only ever be once instance
   // of this class, and that instance will likely have a static lifetime.
@@ -121,7 +120,7 @@ class Gpios : public IGpios {
   std::atomic<uint16_t> ports_;
   std::atomic<uint16_t> inputs_;
 
-  SemaphoreHandle_t read_pending_;
+  static SemaphoreHandle_t sReadPending;
 };
 
 }  // namespace drivers
diff --git a/src/drivers/include/samd.hpp b/src/drivers/include/samd.hpp
index 1560b590..4a31a577 100644
--- a/src/drivers/include/samd.hpp
+++ b/src/drivers/include/samd.hpp
@@ -8,6 +8,9 @@
 
 #include <optional>
 
+#include "freertos/FreeRTOS.h"
+#include "freertos/semphr.h"
+
 namespace drivers {
 
 class Samd {
@@ -32,7 +35,8 @@ class Samd {
     kFullCharge,
   };
 
-  auto ReadChargeStatus() -> std::optional<ChargeStatus>;
+  auto GetChargeStatus() -> std::optional<ChargeStatus>;
+  auto UpdateChargeStatus() -> void;
 
   enum class UsbStatus {
     // There is no compatible usb host attached.
@@ -44,9 +48,23 @@ class Samd {
     kAttachedMounted,
   };
 
-  auto ReadUsbStatus() -> UsbStatus;
+  auto GetUsbStatus() -> UsbStatus;
+  auto UpdateUsbStatus() -> void;
 
   auto ResetToFlashSamd() -> void;
+
+  static auto CreateReadPending() -> SemaphoreHandle_t;
+
+  // Not copyable or movable. There should usually only ever be once instance
+  // of this class, and that instance will likely have a static lifetime.
+  Samd(const Samd&) = delete;
+  Samd& operator=(const Samd&) = delete;
+
+ private:
+  std::optional<ChargeStatus> charge_status_;
+  UsbStatus usb_status_;
+
+  static SemaphoreHandle_t sReadPending;
 };
 
 }  // namespace drivers