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Added new programs 13.3inch e-Paper (K) routine
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‎Arduino/epd13in3k/epd13in3k.cpp‎

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/**
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* @filename : epd13in3k.cpp
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* @brief : Implements for e-paper library
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* @author : Yehui from Waveshare
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*
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* Copyright (C) Waveshare September 25 2023
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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 <stdlib.h>
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#include "epd13in3k.h"
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Epd::~Epd() {
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};
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Epd::Epd() {
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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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int Epd::Init(void) {
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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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ReadBusy();
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SendCommand(0x12);
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ReadBusy();
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SendCommand(0x0C);
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SendData(0xAE);
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SendData(0xC7);
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SendData(0xC3);
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SendData(0xC0);
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SendData(0x80);
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SendCommand(0x01);
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SendData(0xA7);
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SendData(0x02);
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SendData(0x00);
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SendCommand(0x11);
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SendData(0x03);
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SendCommand(0x44);
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SendData(0x00);
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SendData(0x00);
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SendData(0xBF);
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SendData(0x03);
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SendCommand(0x45);
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SendData(0x00);
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SendData(0x00);
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SendData(0xA7);
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SendData(0x02);
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SendCommand(0x3C);
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SendData(0x05);
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SendCommand(0x18);
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SendData(0x80);
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SendCommand(0x4E);
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SendData(0x00);
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SendCommand(0x4F);
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SendData(0x00);
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SendData(0x00);
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return 0;
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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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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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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::ReadBusy(void) {
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unsigned char busy;
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Serial.print("e-Paper Busy\r\n ");
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do{
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DelayMs(20);
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busy = DigitalRead(busy_pin);
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}while(busy == 1);
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Serial.print("e-Paper Busy Release\r\n ");
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DelayMs(20);
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}
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/**
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* @brief: Refresh function
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*/
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void Epd::TurnOnDisplay(void) {
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SendCommand(0x22);
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SendData(0xF7);
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SendCommand(0x20);
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ReadBusy();
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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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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(4);
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DigitalWrite(reset_pin, HIGH);
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DelayMs(20);
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}
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void Epd::DisplayFrame(const unsigned char* frame_buffer) {
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SendCommand(0x24);
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for (unsigned long j = 0; j < height; j++) {
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for (unsigned long i = 0; i < width/8; i++) {
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SendData(frame_buffer[i + j * width/8]);
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}
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}
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TurnOnDisplay();
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}
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void Epd::Displaypart(const unsigned char* pbuffer, unsigned long xStart, unsigned long yStart,unsigned long Picture_Width,unsigned long Picture_Height) {
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SendCommand(0x24);
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for (unsigned long j = 0; j < height; j++) {
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for (unsigned long i = 0; i < width/8; i++) {
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if( (j>=yStart) && (j<yStart+Picture_Height) && (i*8>=xStart) && (i*8<xStart+Picture_Width)){
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SendData((pgm_read_byte(&(pbuffer[i-xStart/8 + (Picture_Width)/8*(j-yStart)]))) );
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// SendData(0xff);
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}else {
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SendData(0xFF);
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}
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}
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}
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TurnOnDisplay();
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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_Reset() to awaken
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*/
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void Epd::Sleep(void) {
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SendCommand(0x10);
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SendData(0x01);
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DelayMs(100);
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ReadBusy();
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}
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void Epd::Clear(void) {
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SendCommand(0x24);
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for(unsigned long i=0; i<height*width/8; i++) {
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SendData(0xFF);
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}
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TurnOnDisplay();
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}
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/* END OF FILE */
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‎Arduino/epd13in3k/epd13in3k.h‎

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/**
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* @filename : epd13in3k.h
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* @brief : Header file for e-paper library epd7in5.cpp
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* @author : Yehui from Waveshare
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*
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* Copyright (C) Waveshare September 25 2023
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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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#ifndef EPD13IN3_H
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#define EPD13IN3_H
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#include "epdif.h"
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// Display resolution
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#define EPD_WIDTH 960
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#define EPD_HEIGHT 680
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class Epd : EpdIf {
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public:
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Epd();
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~Epd();
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int Init(void);
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void ReadBusy(void);
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void Reset(void);
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void TurnOnDisplay(void);
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void DisplayFrame(const unsigned char* frame_buffer);
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void SendCommand(unsigned char command);
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void SendData(unsigned char data);
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void Sleep(void);
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void Clear(void);
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void Epd::Displaypart(const unsigned char* pbuffer, unsigned long Start_X, unsigned long Start_Y,unsigned long END_X,unsigned long END_Y);
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private:
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unsigned int reset_pin;
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unsigned int dc_pin;
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unsigned int cs_pin;
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unsigned int busy_pin;
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unsigned long width;
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unsigned long height;
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};
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#endif /* EPD7IN5_H */
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/* END OF FILE */

‎Arduino/epd13in3k/epd13in3k.ino‎

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/**
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* @filename : epd13in3k-demo.ino
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* @brief : 7.5inch e-paper display demo
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* @author : Yehui from Waveshare
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*
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* Copyright (C) Waveshare September 25 2023
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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
12+
* 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 <SPI.h>
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#include "epd13in3k.h"
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#include "imagedata.h"
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void setup() {
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// put your setup code here, to run once:
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Serial.begin(115200);
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Epd epd;
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Serial.print("e-Paper init \r\n ");
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if (epd.Init() != 0) {
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Serial.print("e-Paper init failed\r\n ");
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return;
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}
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Serial.print("e-Paper Display\r\n ");
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epd.Displaypart(IMAGE_DATA,250, 200,240,103);
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Serial.print("e-Paper Clear\r\n ");
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epd.Clear();
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epd.Sleep();
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}
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void loop() {
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// put your main code here, to run repeatedly:
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}

‎Arduino/epd13in3k/epdif.cpp‎

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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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pinMode(PWR_PIN, OUTPUT);
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DigitalWrite(PWR_PIN, 1);
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SPI.begin();
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SPI.beginTransaction(SPISettings(7000000, MSBFIRST, SPI_MODE0));
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return 0;
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}
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