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Diff: display.h
- Revision:
- 0:d88fd55a27a6
diff -r 000000000000 -r d88fd55a27a6 display.h --- /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. + */ \ No newline at end of file