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 /*
00029  *  Modified by Kenji Arai / JH1PJL
00030  *
00031  *  http://www.page.sannet.ne.jp/kenjia/index.html
00032  *  http://mbed.org/users/kenjiArai/
00033  *      Created:    April     27th, 2019
00034  *      Revised:    April     30th, 2019
00035  *
00036  *  Refrence software
00037  *  https://github.com/waveshare/e-Paper
00038  *  https://os.mbed.com/users/imachooon/code/epd1in54/
00039  *
00040  *  Technical documents
00041  *  https://www.waveshare.com/wiki/2.13inch_e-Paper_HAT_(B)
00042  *
00043  *  Product
00044  *  http://akizukidenshi.com/catalog/g/gP-13757/
00045  *  https://www.waveshare.com/2.13inch-e-paper-hat-b.htm
00046  *
00047  */
00048 
00049 #ifndef EPDIF_H
00050 #define EPDIF_H
00051 
00052 #include "mbed.h"
00053 
00054 class EpdIf
00055 {
00056 public:
00057     EpdIf(void);
00058     EpdIf(PinName mosi,
00059           PinName miso,
00060           PinName sclk,
00061           PinName cs,
00062           PinName dc,
00063           PinName rst,
00064           PinName busy,
00065           PinName pwr);
00066     ~EpdIf(void)
00067     {
00068         ;
00069     }
00070 
00071     int  IfInit(void);
00072     void DigitalWrite(DigitalOut* pin, int value);
00073     int  DigitalRead(DigitalIn* pin);
00074     void DelayMs(unsigned int delaytime);
00075     void SpiTransfer(unsigned char data);
00076 
00077     SPI* m_spi;
00078     DigitalOut* m_cs;
00079     DigitalOut* m_dc;
00080     DigitalOut* m_rst;
00081     DigitalIn*  m_busy;
00082     DigitalOut* m_pwr;
00083 };
00084 
00085 #endif