Diff: hd44780_8bit.h

Revision:

0:ae5037e3d6e0

Child:

1:65f72ed914fa

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hd44780_8bit.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,63 @@
+/*
+ * mbed LCDWindow library
+* Copyright (c) 2010 Hendrik Lipka
+* 
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+* 
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+* THE SOFTWARE.
+*/
+
+#ifndef HD44780_8BIT_H_
+#define HD44780_8BIT_H_
+
+#include "lcd.h"
+
+#include "BusOut.h"
+#include "DigitalOut.h"
+
+using namespace mbed; 
+
+/**
+ * class for connecting HD44780-based LCD-Display (or using similiar controllers)
+ * displays are connected in 8bit-mode
+ * currently only 1 or 2 lines are supported
+*/
+class HD44780LCD8bit: public TextLCDBase
+{
+    public:
+        /**
+         * @param width number of chars per line
+         * @param height number of lines (currently only 1 and 2 work)
+         * @param data the bus object used for sending data (must be 8bit)
+         * @param enable the pin name for the enable line (1=active)
+         * @param rs the pin name for the register select line (0=cmd, 1=data)
+        */
+        HD44780LCD8bit(unsigned int width, unsigned int height, BusOut *data, PinName enable, PinName rs); 
+        virtual void init();
+        virtual void writeText(unsigned int line, unsigned int pos, char text[]);
+        virtual void clear();
+
+    protected:
+        void sendCmd(unsigned char byte);
+        void sendData(unsigned char byte);
+        
+        void sendByte(unsigned char byte);
+        
+        BusOut* _data;
+        DigitalOut *_enable, *_rs;
+};
+#endif
\ No newline at end of file