Add basic samd class

1 files changed, 46 insertions, 0 deletions

diff --git a/src/drivers/include/samd.hpp b/src/drivers/include/samd.hpp
new file mode 100644
index 00000000..4ba5877c
--- /dev/null
+++ b/src/drivers/include/samd.hpp
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <optional>
+
+namespace drivers {
+
+class Samd {
+ public:
+  Samd();
+  ~Samd();
+
+  enum class ChargeStatus {
+    // There is no battery plugged into the device.
+    kNoBattery,
+    // The battery is discharging, and the current voltage level is very low.
+    kBatteryCritical,
+    // The battery is discharging.
+    kDischarging,
+    // The battery is charging over a low-current USB connection
+    kChargingRegular,
+    // The battery is charging over a high-current USB connection
+    kChargingFast,
+    // The battery is full charged, and we are still plugged in.
+    kFullCharge,
+  };
+
+  auto ReadChargeStatus() -> std::optional<ChargeStatus>;
+
+  enum class UsbMscStatus {
+    // There is no compatible usb host attached.
+    kDetached,
+    // There is a compatible usb host attached, but USB MSC is not currently
+    // in use by the SAMD.
+    kAttachedIdle,
+    // The SAMD is currently exposing the SD card via USB MSC.
+    kAttachedMounted,
+  };
+
+  auto WriteAllowUsbMsc(bool is_allowed) -> void;
+  auto ReadUsbMscStatus() -> UsbMscStatus;
+
+  auto ReadFlashingEnabled() -> bool;
+  auto WriteFlashingEnabled(bool) -> void;
+};
+
+}  // namespace drivers