add 2in13_V3 example code (Arduino)
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381
Arduino/epd2in13_V3/epd2in13_V3.cpp
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381
Arduino/epd2in13_V3/epd2in13_V3.cpp
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/*****************************************************************************
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* | File : epd2in13_V3.cpp
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* | Author : Waveshare team
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* | Function : 2.13inch e-paper V3
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2021-11-01
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* | Info :
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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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******************************************************************************/
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#include <stdlib.h>
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#include "epd2in13_V3.h"
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const unsigned char lut_full_update[]= {
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0x80, 0x4A, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x40, 0x4A, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x80, 0x4A, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x40, 0x4A, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0xF, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0xF, 0x0, 0x0, 0xF, 0x0, 0x0, 0x2,
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0xF, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0,
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0x22, 0x17, 0x41, 0x0, 0x32, 0x36
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};
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const unsigned char lut_partial_update[]= {
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0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x40,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x14,0x0,0x0,0x0,0x0,0x0,0x0,
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0x1,0x0,0x0,0x0,0x0,0x0,0x0,
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0x1,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
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0x22,0x17,0x41,0x00,0x32,0x36,
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};
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Epd::~Epd()
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{
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};
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Epd::Epd()
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{
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reset_pin = RST_PIN;
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dc_pin = DC_PIN;
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cs_pin = CS_PIN;
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busy_pin = BUSY_PIN;
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width = EPD_WIDTH;
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height = EPD_HEIGHT;
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};
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/**
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* @brief: basic function for sending commands
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*/
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void Epd::SendCommand(unsigned char command)
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{
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DigitalWrite(dc_pin, LOW);
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SpiTransfer(command);
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}
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/**
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* @brief: basic function for sending data
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*/
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void Epd::SendData(unsigned char data)
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{
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DigitalWrite(dc_pin, HIGH);
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SpiTransfer(data);
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}
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/**
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* @brief: Wait until the busy_pin goes HIGH
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*/
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void Epd::WaitUntilIdle(void)
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{
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while(1) { //LOW: idle, HIGH: busy
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if(DigitalRead(busy_pin) == 0)
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break;
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DelayMs(10);
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}
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}
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void Epd::SetWindows(unsigned char Xstart, unsigned char Ystart, unsigned char Xend, unsigned char Yend)
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{
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SendCommand(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
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SendData((Xstart>>3) & 0xFF);
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SendData((Xend>>3) & 0xFF);
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SendCommand(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
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SendData(Ystart & 0xFF);
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SendData((Ystart >> 8) & 0xFF);
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SendData(Yend & 0xFF);
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SendData((Yend >> 8) & 0xFF);
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}
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void Epd::SetCursor(unsigned char Xstart, unsigned char Ystart)
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{
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SendCommand(0x4E); // SET_RAM_X_ADDRESS_COUNTER
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SendData(Xstart & 0xFF);
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SendCommand(0x4F); // SET_RAM_Y_ADDRESS_COUNTER
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SendData(Ystart & 0xFF);
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SendData((Ystart >> 8) & 0xFF);
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}
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void Epd::Lut(unsigned char *lut)
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{
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unsigned char count;
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SendCommand(0x32);
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for(count = 0; count < 153; count++) {
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SendData(lut[count]);
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}
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SendCommand(0x3f);
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SendData(*(lut+153));
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SendCommand(0x03); // gate voltage
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SendData(*(lut+154));
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SendCommand(0x04); // source voltage
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SendData(*(lut+155)); // VSH
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SendData(*(lut+156)); // VSH2
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SendData(*(lut+157)); // VSL
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SendCommand(0x2c); // VCOM
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SendData(*(lut+158));
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}
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int Epd::Init(char Mode)
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{
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/* this calls the peripheral hardware interface, see epdif */
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if (IfInit() != 0) {
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return -1;
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}
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Reset();
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int count;
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if(Mode == FULL) {
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WaitUntilIdle();
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SendCommand(0x12); // soft reset
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WaitUntilIdle();
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SendCommand(0x01); //Driver output control
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SendData(0xF9);
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SendData(0x00);
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SendData(0x00);
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SendCommand(0x11); //data entry mode
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SendData(0x03);
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SetWindows(0, 0, EPD_WIDTH-1, EPD_HEIGHT-1);
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SetCursor(0, 0);
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SendCommand(0x3C); //BorderWavefrom
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SendData(0x05);
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SendCommand(0x21); // Display update control
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SendData(0x00);
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SendData(0x80);
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SendCommand(0x18); //Read built-in temperature sensor
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SendData(0x80);
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WaitUntilIdle();
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Lut(lut_full_update);
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} else if(Mode == PART) {
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DigitalWrite(reset_pin, LOW); //module reset
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DelayMs(1);
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DigitalWrite(reset_pin, HIGH);
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Lut(lut_partial_update);
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SendCommand(0x37);
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SendData(0x00);
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SendData(0x00);
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SendData(0x00);
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SendData(0x00);
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SendData(0x00);
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SendData(0x40);
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SendData(0x00);
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SendData(0x00);
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SendData(0x00);
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SendData(0x00);
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SendCommand(0x3C); //BorderWavefrom
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SendData(0x80);
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SendCommand(0x22); //Display Update Sequence Option
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SendData(0xC0); // Enable clock and Enable analog
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SendCommand(0x20); //Activate Display Update Sequence
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WaitUntilIdle();
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SetWindows(0, 0, EPD_WIDTH-1, EPD_HEIGHT-1);
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SetCursor(0, 0);
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} else {
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return -1;
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}
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return 0;
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}
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/**
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* @brief: module reset.
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* often used to awaken the module in deep sleep,
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* see Epd::Sleep();
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*/
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void Epd::Reset(void)
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{
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DigitalWrite(reset_pin, HIGH);
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DelayMs(20);
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DigitalWrite(reset_pin, LOW); //module reset
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DelayMs(2);
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DigitalWrite(reset_pin, HIGH);
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DelayMs(20);
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}
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void Epd::Clear(void)
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{
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int w, h;
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w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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h = EPD_HEIGHT;
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(0xff);
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xC7);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::Display(const unsigned char* frame_buffer)
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{
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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if (frame_buffer != NULL) {
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
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}
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xC7);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::DisplayPartBaseImage(const unsigned char* frame_buffer)
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{
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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if (frame_buffer != NULL) {
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
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}
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}
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SendCommand(0x26);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
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}
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xC7);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::DisplayPart(const unsigned char* frame_buffer)
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{
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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if (frame_buffer != NULL) {
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
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}
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0x0f);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::ClearPart(void)
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{
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int w, h;
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w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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h = EPD_HEIGHT;
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(0xff);
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0x0f);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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/**
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* @brief: After this command is transmitted, the chip would enter the
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* deep-sleep mode to save power.
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* The deep sleep mode would return to standby by hardware reset.
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* The only one parameter is a check code, the command would be
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* executed if check code = 0xA5.
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* You can use Epd::Init() to awaken
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*/
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void Epd::Sleep()
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{
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SendCommand(0x10); //enter deep sleep
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SendData(0x01);
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DelayMs(200);
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DigitalWrite(reset_pin, LOW);
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}
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/* END OF FILE */
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