整理代码

hardware/GPIO.h

@@ -0,0 +1,44 @@
+#ifndef C88B7A31_D4F3_4E43_B4CE_45003C99E915
+#define C88B7A31_D4F3_4E43_B4CE_45003C99E915
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include <string>
+
+namespace Hardware
+{
+/*
+ *******************************************************************************
+ *                                CLASS DECLARE
+ *******************************************************************************
+ */
+class GPIO
+{
+public:
+    enum class Direction
+    {
+        IN,
+        OUT,
+    };
+
+public:
+    GPIO(int pinno);
+    ~GPIO();
+
+public:
+    void     direction(Direction dir);
+    void     write(unsigned level);
+    unsigned read();
+
+private:
+    void writeFile(const std::string& path, const void* pData, int len);
+    void writeDirection(const std::string& value);
+
+private:
+    int _fd;
+    int _pinno;
+};
+}
+#endif