From b320a6a863cf1c10dc79254af41f573730935564 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Thu, 18 May 2023 18:17:14 +1000
Subject: Add basic samd class

---
 src/drivers/include/samd.hpp | 46 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/drivers/include/samd.hpp

(limited to 'src/drivers/include')

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
-- 
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