Sharp_LS012B7DD01.h

00001 /*******************************************************************************
00002 * The MIT License (MIT)
00003 *
00004 * Copyright (c) 2016 j3
00005 *
00006 * Permission is hereby granted, free of charge, to any person obtaining a copy 
00007 * of this software and associated documentation files (the "Software"), to deal
00008 * in the Software without restriction, including without limitation the rights 
00009 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
00010 * copies of the Software, and to permit persons to whom the Software is 
00011 * furnished to do so, subject to the following conditions:
00012 *
00013 * The above copyright notice and this permission notice shall be included in 
00014 * all copies or substantial portions of the Software.
00015 *
00016 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
00017 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
00018 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
00019 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
00020 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
00021 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
00022 * SOFTWARE.
00023 ******************************************************************************/
00024 
00025 #ifndef SHARP_LS012B7DD01_H
00026 #define SHARP_LS012B7DD01_H
00027 
00028 #include "mbed.h"
00029 
00030 /**
00031 * @brief Sharp LS012B&DD01 TFT-LCD 
00032 */
00033 class SharpLS012B7DD01
00034 {
00035     public:
00036     
00037     static const uint8_t DATA_UPDATE_MODE = 0x80;
00038     static const uint8_t DISPLAY_MODE = 0;
00039     static const uint8_t ALL_CLEAR_MODE = 0x20;
00040     
00041     enum SharpCmdResult
00042     {
00043         Success,
00044         Failure,
00045     };
00046     
00047     /**
00048     * @brief SharpLS012B7DD01 Constructor
00049     */
00050     SharpLS012B7DD01(PinName disp, PinName extcomin, PinName cs, SPI &spiBus);
00051     
00052     /**
00053     * @brief SharpLS012B7DD01 Destructor
00054     */
00055     ~SharpLS012B7DD01();
00056     
00057     /**
00058     * @brief Prints character to given line and position
00059     */
00060     SharpCmdResult print_char(uint8_t ln, uint8_t pos, char c);
00061     
00062     /**
00063     * @breif Prints string to given line and position
00064     */
00065     SharpCmdResult print_str(uint8_t ln, uint8_t pos, const char *s);
00066     
00067     void clear_display();
00068     
00069     private:
00070     
00071     /**
00072     * @brief Writes memory of Sharp LS012B7DD01
00073     */
00074     SharpCmdResult write_memory(uint8_t data[][23], uint8_t lines, uint8_t offset);
00075     
00076     /**
00077     * @brief Updates display
00078     */
00079     void update(const uint8_t mode);
00080     
00081     /**
00082     * @brief Reverses bit order
00083     */
00084     uint8_t rev_bit(uint8_t data);
00085     
00086     /**
00087     * @brief Call back for ticker
00088     */
00089     void toggle_extcomin();
00090     
00091     uint8_t m_data[38][23];
00092     
00093     DigitalOut m_disp;
00094     DigitalOut m_extcomin;
00095     DigitalOut m_cs;
00096     SPI m_spi;
00097     Ticker m_extcominTicker;
00098 };
00099 
00100 #endif /*SHARP_LS012B7DD01_H*/