early testing of epaper and rotary encoder
Diff: epdif.cpp
- Revision:
- 0:ac97d71fe296
diff -r 000000000000 -r ac97d71fe296 epdif.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/epdif.cpp Fri Feb 16 21:30:08 2018 +0000 @@ -0,0 +1,73 @@ +/** + * @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. + */ + +#include "epdif.h" +EpdIf::EpdIf(){ + } +EpdIf::EpdIf(PinName mosi, + PinName miso, + PinName sclk, + PinName cs, + PinName dc, + PinName rst, + PinName busy) { + 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); +} + +EpdIf::~EpdIf() { +} + +void EpdIf::DigitalWrite(DigitalOut* pout, int value) { + *pout = value; +} + +int EpdIf::DigitalRead(DigitalIn* pin) { + int ret = *pin; + return ret; +} + +void EpdIf::DelayMs(unsigned int delaytime) { + wait_ms(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; +} + +