Diff: display.h

Revision:

0:d88fd55a27a6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/display.h	Wed Mar 19 15:09:11 2014 +0000
@@ -0,0 +1,114 @@
+/* University of York Robotics Laboratory MBED Library
+ * Display Driver for Midas I2C 2x16 Display
+ * Part number MCCOG21605-D6W-BNMLWI
+ * Rapid Electronics Cat Number 57-2340 [or 57-2334]
+ * Farnell Cat Number 2063206 [or 2063205]
+ * 
+ * File: display.cpp
+ *
+ * (C) Dr James Hilder, Dept. Electronics & Computer Science, University of York
+ * 
+ * October 2013
+ *
+ */ 
+ 
+#ifndef DISPLAY_H
+#define DISPLAY_H
+
+//
+// Defines
+// Address is 0111 110  (x7C)
+
+#define LCD_ADDRESS 0x7C      
+
+
+class Display : public Stream {
+
+// Public Functions
+
+public:
+
+   /** Create the LCD Display object connected to the default pins
+     *
+     * @param sda pin   - default is p9
+     * @param scl pin   - default is p10
+     * @param reset pin - default is p12
+     */
+     
+    Display();
+    
+    /** Create the LCD Display object connected to specific pins
+     *
+     */
+    Display(PinName sda, PinName scl, PinName reset);
+
+//Print string message of given length
+void write_string(char * message, char length);
+
+//Set the row and column of cursor position
+void set_position(char row, char column);
+
+// Enable or disable cursor
+void set_cursor(char enable);
+
+// Enable or disable cursor blink
+void set_blink(char enable);
+
+// Enable or disable display
+void set_display(char enable);
+
+
+// Clear display
+void clear_display();
+
+//Set cursor to home position
+void home();
+
+
+// Send a 1-byte control message to the display
+int i2c_message(char byte);
+
+// Default initialisation sequence for the display
+void init_display();
+
+int disp_putc(int c);
+
+
+private :
+
+    I2C _i2c;
+    DigitalOut _reset;
+    
+    char display_on;
+    char cursor_on;
+    char blink_on;
+    
+    void _set_display();
+    
+    virtual int _putc(int c);
+    virtual int _getc();
+    
+};
+
+#endif // DISPLAY_H
+
+ 
+ 
+/* 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.
+ */
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