Library for Waveshare 2.7" tri-colour e-Paper display.
Diff: epdif.cpp
- Revision:
- 0:9e6a8e3cd8de
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/epdif.cpp Fri Dec 06 23:24:50 2019 +0000 @@ -0,0 +1,101 @@ +/** + * @filename : epdif.cpp + * @brief : Implements EPD interface functions + * Users have to implement all the functions in epdif.cpp + * @author : Yehui from Waveshare + * + * Copyright (C) Waveshare August 10 2017 + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documnetation 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 + * furished 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 OR 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. + */ + +/* + * Modified by Kenji Arai / JH1PJL + * + * http://www.page.sannet.ne.jp/kenjia/index.html + * http://mbed.org/users/kenjiArai/ + * Created: April 27th, 2019 + * Revised: April 30th, 2019 + * + * Refrence software + * https://github.com/waveshare/e-Paper + * https://os.mbed.com/users/imachooon/code/epd1in54/ + * + * Technical documents + * https://www.waveshare.com/wiki/2.13inch_e-Paper_HAT_(B) + * + * Product + * http://akizukidenshi.com/catalog/g/gP-13757/ + * https://www.waveshare.com/2.13inch-e-paper-hat-b.htm + * + */ + +#include "epdif.h" + +EpdIf::EpdIf() +{ + ; +} + +EpdIf::EpdIf(PinName mosi, + PinName miso, + PinName sclk, + PinName cs, + PinName dc, + PinName rst, + PinName busy, + PinName pwr) +{ + m_spi = new SPI(mosi, miso, sclk); + m_cs = new DigitalOut(cs); + m_dc = new DigitalOut(dc); + m_rst = new DigitalOut(rst); + m_busy = new DigitalIn(busy); + //m_pwr = new DigitalOut(pwr); +} + +void EpdIf::DigitalWrite(DigitalOut* pin, int value) +{ + *pin = value; +} + +int EpdIf::DigitalRead(DigitalIn* pin) +{ + int ret = *pin; + return ret; +} + +void EpdIf::DelayMs(unsigned int delaytime) +{ + ThisThread::sleep_for(delaytime); +} + +void EpdIf::SpiTransfer(unsigned char data) +{ + *m_cs = 0; + m_spi->write(data); + *m_cs = 1; +} + +int EpdIf::IfInit(void) +{ + m_spi->format(8,0); + m_spi->frequency(2000000); + return 0; +}