359 lines
9.7 KiB
C++
359 lines
9.7 KiB
C++
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/*****************************************************************************
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* | File : epd2in13_V2.cpp
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* | Author : Waveshare team
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* | Function : 2.13inch e-paper V2
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2019-06-24
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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_V2.h"
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const unsigned char lut_full_update[]= {
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0x80,0x60,0x40,0x00,0x00,0x00,0x00, //LUT0: BB: VS 0 ~7
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0x10,0x60,0x20,0x00,0x00,0x00,0x00, //LUT1: BW: VS 0 ~7
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0x80,0x60,0x40,0x00,0x00,0x00,0x00, //LUT2: WB: VS 0 ~7
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0x10,0x60,0x20,0x00,0x00,0x00,0x00, //LUT3: WW: VS 0 ~7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT4: VCOM: VS 0 ~7
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0x03,0x03,0x00,0x00,0x02, // TP0 A~D RP0
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0x09,0x09,0x00,0x00,0x02, // TP1 A~D RP1
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0x03,0x03,0x00,0x00,0x02, // TP2 A~D RP2
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0x00,0x00,0x00,0x00,0x00, // TP3 A~D RP3
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0x00,0x00,0x00,0x00,0x00, // TP4 A~D RP4
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0x00,0x00,0x00,0x00,0x00, // TP5 A~D RP5
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0x00,0x00,0x00,0x00,0x00, // TP6 A~D RP6
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0x15,0x41,0xA8,0x32,0x30,0x0A,
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};
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const unsigned char lut_partial_update[]= { //20 bytes
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT0: BB: VS 0 ~7
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0x80,0x00,0x00,0x00,0x00,0x00,0x00, //LUT1: BW: VS 0 ~7
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0x40,0x00,0x00,0x00,0x00,0x00,0x00, //LUT2: WB: VS 0 ~7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT3: WW: VS 0 ~7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT4: VCOM: VS 0 ~7
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0x0A,0x00,0x00,0x00,0x00, // TP0 A~D RP0
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0x00,0x00,0x00,0x00,0x00, // TP1 A~D RP1
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0x00,0x00,0x00,0x00,0x00, // TP2 A~D RP2
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0x00,0x00,0x00,0x00,0x00, // TP3 A~D RP3
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0x00,0x00,0x00,0x00,0x00, // TP4 A~D RP4
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0x00,0x00,0x00,0x00,0x00, // TP5 A~D RP5
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0x00,0x00,0x00,0x00,0x00, // TP6 A~D RP6
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0x15,0x41,0xA8,0x32,0x30,0x0A,
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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(100);
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}
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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(0x74); //set analog block control
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SendData(0x54);
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SendCommand(0x7E); //set digital block control
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SendData(0x3B);
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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(0x01);
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SendCommand(0x44); //set Ram-X address start/end position
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SendData(0x00);
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SendData(0x0F); //0x0C-->(15+1)*8=128
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SendCommand(0x45); //set Ram-Y address start/end position
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SendData(0xF9); //0xF9-->(249+1)=250
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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(0x03);
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SendCommand(0x2C); //VCOM Voltage
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SendData(0x55); //
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SendCommand(0x03);
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SendData(lut_full_update[70]);
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SendCommand(0x04); //
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SendData(lut_full_update[71]);
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SendData(lut_full_update[72]);
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SendData(lut_full_update[73]);
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SendCommand(0x3A); //Dummy Line
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SendData(lut_full_update[74]);
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SendCommand(0x3B); //Gate time
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SendData(lut_full_update[75]);
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SendCommand(0x32);
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for(count = 0; count < 70; count++) {
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SendData(lut_full_update[count]);
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}
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SendCommand(0x4E); // set RAM x address count to 0;
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SendData(0x00);
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SendCommand(0x4F); // set RAM y address count to 0X127;
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SendData(0xF9);
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SendData(0x00);
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WaitUntilIdle();
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} else if(Mode == PART) {
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SendCommand(0x2C); //VCOM Voltage
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SendData(0x26);
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WaitUntilIdle();
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SendCommand(0x32);
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for(count = 0; count < 70; count++) {
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SendData(lut_partial_update[count]);
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}
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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(0x40);
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SendData(0x00);
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SendData(0x00);
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SendCommand(0x22);
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SendData(0xC0);
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SendCommand(0x20);
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WaitUntilIdle();
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SendCommand(0x3C); //BorderWavefrom
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SendData(0x01);
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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(200);
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DigitalWrite(reset_pin, LOW); //module reset
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DelayMs(10);
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DigitalWrite(reset_pin, HIGH);
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DelayMs(200);
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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(0x0C);
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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(0x0C);
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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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