64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
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/**
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* @filename : epdif.cpp
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* @brief : Implements EPD interface functions
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* Users have to implement all the functions in epdif.cpp
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* @author : Yehui from Waveshare
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*
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* Copyright (C) Waveshare August 10 2017
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documnetation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "epdif.h"
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#include <spi.h>
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EpdIf::EpdIf() {
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};
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EpdIf::~EpdIf() {
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};
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void EpdIf::DigitalWrite(int pin, int value) {
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digitalWrite(pin, value);
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}
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int EpdIf::DigitalRead(int pin) {
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return digitalRead(pin);
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}
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void EpdIf::DelayMs(unsigned int delaytime) {
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delay(delaytime);
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}
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void EpdIf::SpiTransfer(unsigned char data) {
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digitalWrite(CS_PIN, LOW);
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SPI.transfer(data);
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digitalWrite(CS_PIN, HIGH);
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}
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int EpdIf::IfInit(void) {
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pinMode(CS_PIN, OUTPUT);
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pinMode(RST_PIN, OUTPUT);
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pinMode(DC_PIN, OUTPUT);
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pinMode(BUSY_PIN, INPUT);
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SPI.begin();
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SPI.beginTransaction(SPISettings(2000000, MSBFIRST, SPI_MODE0));
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return 0;
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}
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