Driver for a 128x64 pixels graphic LCD panel based on a KS0723 driver from Samsung.

Revision:
0:6c80c61bbc6a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LcdKs0723.h	Sun Feb 20 12:01:57 2011 +0000
@@ -0,0 +1,115 @@
+/* mbed Samsung LCD Library, for a samsung KS0723 based 128x64 black/white lcd panel.
+ * Copyright (c) 2011, Jeroen Hilgers
+ *
+ * I based the interface on the LCD libraries by Simon Ford, to obtain compatibility
+ * between different displays. I used TextLCD as an example to implement the 
+ * : public Steam part of this library.
+ *
+ *
+ * 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 MBED_SAMSUNG_LCD_H
+#define MBED_SAMSUNG_LCD_H
+
+#include "mbed.h"
+
+/** LcdKs0723 class. Provides an interface compatible with
+ ** other display libraries by Simon Ford on www.mbed.org.
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ * #include "LcdKs0723.h"
+ *
+ * LcdKs0723 lcd(p28, p10, p27, p19, p25, p15, p24, p16, p23, p17, p22, p18);
+ *
+ * int main() 
+ * {
+ *    lcd.printf("KS0723 LCD Display driver.\n");
+ *    lcd.printf("Float: %1.3f\n", 1.375f);
+ *    lcd.printf("Hex: 0x%04X\n", 0xB12);
+ *    while(1) 
+ *   {
+ *   }
+ * }
+ * @endcode
+ */
+
+class LcdKs0723 : public Stream 
+{
+  public:
+    /** Create a LcdKs0723 interface
+     *
+     * @param reset Reset line
+     * @param rs    RS line
+     * @param write Write line
+     * @param read  Read line
+     * @param d0-d7 Data lines
+     */  
+    LcdKs0723(PinName reset, PinName rs, PinName write, PinName read, PinName d0, PinName d1,
+               PinName d2, PinName d3, PinName d4, PinName d5, PinName d6, PinName d7);
+               
+#if DOXYGEN_ONLY
+    /** Write a character to the LCD
+     *
+     * @param c The character to write to the display
+     */
+    int putc(int c);
+
+    /** Write a formated string to the LCD
+     *
+     * @param format A printf-style format string, followed by the
+     *               variables to use in formating the string.
+     */
+    int printf(const char* format, ...);
+#endif               
+
+    /** Locate to a screen column and row
+     *
+     * @param column  The horizontal position from the left, indexed from 0
+     * @param row     The vertical position from the top, indexed from 0
+     */
+    void locate(int column, int row);
+
+    /** Clear the screen and locate to 0,0 */
+    void cls();
+
+  private:
+     DigitalOut mReset, mRs, mWrite, mRead;
+     BusInOut mData;
+     int mRow;
+     int mCol;
+     
+     uint8_t ReadData (void);
+     void WriteData (uint8_t value);
+     uint8_t ReadStatus(void);
+     void WriteControl(uint8_t value);
+     
+     // Character definition.
+     static const uint8_t mFont5x7[];
+     
+  protected:
+     // Stream implementation functions.
+     virtual int _putc(int value);
+     virtual int _getc() {return -1;}     
+};
+
+#endif