1 files changed, 78 insertions, 0 deletions
diff --git a/glcddrivers/port.h b/glcddrivers/port.h
new file mode 100644
index 0000000..2920461
--- /dev/null
+++ b/glcddrivers/port.h
@@ -0,0 +1,78 @@
+/*
+ * GraphLCD driver library
+ *
+ * port.h  -  parallel port class with low level routines
+ *
+ * This file is released under the GNU General Public License. Refer
+ * to the COPYING file distributed with this package.
+ *
+ * (c) 2004 Andreas Regel <andreas.regel AT powarman.de>
+ */
+
+#ifndef _GLCDDRIVERS_PORT_H_
+#define _GLCDDRIVERS_PORT_H_
+
+namespace GLCD
+{
+
+const int kForward = 0;
+const int kReverse = 1;
+
+const unsigned char kStrobeHigh = 0x00; // Pin 1
+const unsigned char kStrobeLow  = 0x01;
+const unsigned char kAutoHigh   = 0x00; // Pin 14
+const unsigned char kAutoLow    = 0x02;
+const unsigned char kInitHigh   = 0x04; // Pin 16
+const unsigned char kInitLow    = 0x00;
+const unsigned char kSelectHigh = 0x00; // Pin 17
+const unsigned char kSelectLow  = 0x08;
+
+class cParallelPort
+{
+private:
+    int fd;
+    int port;
+    bool usePPDev;
+
+public:
+    cParallelPort();
+    ~cParallelPort();
+
+    int Open(int port);
+    int Open(const char * device);
+    int Close();
+
+    bool IsDirectIO() const { return (!usePPDev); }
+    int GetPortHandle() const { return ((usePPDev) ? fd : port); }
+
+    void Claim();
+    void Release();
+
+    void SetDirection(int direction);
+    unsigned char ReadControl();
+    void WriteControl(unsigned char values);
+    unsigned char ReadStatus();
+    unsigned char ReadData();
+    void WriteData(unsigned char data);
+};
+
+class cSerialPort
+{
+private:
+    int fd;
+
+public:
+    cSerialPort();
+    ~cSerialPort();
+
+    int Open(const char * device);
+    int Close();
+
+    int ReadData(unsigned char * data);
+    void WriteData(unsigned char data);
+    void WriteData(unsigned char * data, unsigned short length);
+};
+
+} // end of namespace
+
+#endif