1 files changed, 55 insertions, 0 deletions
diff --git a/sysfs.hpp b/sysfs.hpp
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+/**
+ * Copyright © 2019 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include <experimental/filesystem>
+
+namespace phosphor
+{
+namespace led
+{
+class SysfsLed
+{
+  public:
+    SysfsLed(std::experimental::filesystem::path&& root) : root(std::move(root))
+    {
+    }
+    SysfsLed() = delete;
+    SysfsLed(const SysfsLed& other) = delete;
+
+    virtual ~SysfsLed() = default;
+
+    virtual unsigned long getBrightness();
+    virtual void setBrightness(unsigned long value);
+    virtual unsigned long getMaxBrightness();
+    virtual std::string getTrigger();
+    virtual void setTrigger(const std::string& trigger);
+    virtual unsigned long getDelayOn();
+    virtual void setDelayOn(unsigned long ms);
+    virtual unsigned long getDelayOff();
+    virtual void setDelayOff(unsigned long ms);
+
+  protected:
+    static constexpr char BRIGHTNESS[] = "brightness";
+    static constexpr char MAX_BRIGHTNESS[] = "max_brightness";
+    static constexpr char TRIGGER[] = "trigger";
+    static constexpr char DELAY_ON[] = "delay_on";
+    static constexpr char DELAY_OFF[] = "delay_off";
+
+    std::experimental::filesystem::path root;
+};
+} // namespace led
+} // namespace phosphor