epdif.h

00001 /**
00002  *  @filename   :   epdif.h
00003  *  @brief      :   Header file of epdif.cpp providing EPD interface functions
00004  *                  Users have to implement all the functions in epdif.cpp
00005  *  @author     :   Yehui from Waveshare
00006  *
00007  *  Copyright (C) Waveshare     August 10 2017
00008  *
00009  * Permission is hereby granted, free of charge, to any person obtaining a copy
00010  * of this software and associated documnetation files (the "Software"), to deal
00011  * in the Software without restriction, including without limitation the rights
00012  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00013  * copies of the Software, and to permit persons to  whom the Software is
00014  * furished to do so, subject to the following conditions:
00015  *
00016  * The above copyright notice and this permission notice shall be included in
00017  * all copies or substantial portions of the Software.
00018  *
00019  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00020  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00021  * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00022  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00023  * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00024  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00025  * THE SOFTWARE.
00026  */
00027 
00028 #ifndef EPDIF_H
00029 #define EPDIF_H
00030 #include "mbed.h"
00031 
00032 
00033 #define SPI_
00034 class EpdIf {
00035 public:
00036     EpdIf(void);
00037     EpdIf(PinName mosi,
00038           PinName miso,
00039           PinName sclk, 
00040           PinName cs, 
00041           PinName dc, 
00042           PinName rst, 
00043           PinName busy);
00044     ~EpdIf(void);
00045 
00046     int  IfInit(void);
00047     static void DigitalWrite(DigitalOut* put, int value); 
00048     static int  DigitalRead(DigitalIn* pin);
00049     static void DelayMs(unsigned int delaytime);
00050     void SpiTransfer(unsigned char data);
00051     
00052     SPI* m_spi;
00053     DigitalOut* m_cs;
00054     DigitalOut* m_dc;
00055     DigitalOut* m_rst;
00056     DigitalIn*  m_busy;
00057 };
00058 
00059 #endif