451 lines
10 KiB
C++
451 lines
10 KiB
C++
/**
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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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const unsigned char Lut_Partial[]={
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0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x2A, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x15, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x01, 0x01, 0x01, 0x00,
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0x0A, 0x00, 0x05, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x01, 0x01,
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0x22, 0x22, 0x22, 0x22, 0x22,
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0x17, 0x41, 0xA8, 0x32, 0x18,
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0x00, 0x00,
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};
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const unsigned char LUT_DATA_4Gray[112] = //112bytes
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{
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0x80, 0x48, 0x4A, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x0A, 0x48, 0x68, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x88, 0x48, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xA8, 0x48, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x07, 0x23, 0x17, 0x02, 0x00,
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0x05, 0x01, 0x05, 0x01, 0x02,
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0x08, 0x02, 0x01, 0x04, 0x04,
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0x00, 0x02, 0x00, 0x02, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x01,
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0x22, 0x22, 0x22, 0x22, 0x22,
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0x17, 0x41, 0xA8, 0x32, 0x30,
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0x00, 0x00,
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};
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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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SendData(0x00);
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SendCommand(0x4F);
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SendData(0x00);
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SendData(0x00);
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ReadBusy();
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return 0;
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}
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int Epd::Init_Part(void) {
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unsigned int count;
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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(0x3C);
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SendData(0x80);
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SendCommand(0x32);
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for(count = 0; count < 105 ; count++) {
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SendData(Lut_Partial[count]);
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}
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SendCommand(0x03);
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SendData(Lut_Partial[105]);
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SendCommand(0x04);
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SendData(Lut_Partial[106]);
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SendData(Lut_Partial[107]);
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SendData(Lut_Partial[108]);
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SendCommand(0x2C);
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SendData(Lut_Partial[109]);
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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);
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SendData(0x80);
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SendCommand(0x22);
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SendData(0xC0);
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SendCommand(0x20);
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ReadBusy();
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return 0;
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}
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int Epd::Init_4GRAY(void) {
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unsigned int count;
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if (IfInit() != 0) {
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return -1;
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}
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ReadBusy();
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SendCommand(0x12); //SWRESET
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ReadBusy();
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SendCommand(0x0C); //set soft start
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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); // Border Border setting
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SendData(0x00);
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SendCommand(0x18); // use the internal temperature sensor
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SendData(0x80);
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SendCommand(0x4E);
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SendData(0x00);
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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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SendCommand(0x32);
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for(count = 0; count < 105 ; count++) {
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SendData(LUT_DATA_4Gray[count]);
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}
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SendCommand(0x03);
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SendData(LUT_DATA_4Gray[105]);
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SendCommand(0x04);
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SendData(LUT_DATA_4Gray[106]);
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SendData(LUT_DATA_4Gray[107]);
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SendData(LUT_DATA_4Gray[108]);
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SendCommand(0x2C);
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SendData(LUT_DATA_4Gray[109]);
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ReadBusy();
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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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void Epd::TurnOnDisplay_Part(void)
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{
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SendCommand(0x22); //Display Update Control
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SendData(0xCF);
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SendCommand(0x20); //Activate Display Update Sequence
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ReadBusy();
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}
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void Epd::TurnOnDisplay_4GRAY(void)
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{
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SendCommand(0x22);
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SendData(0xC7);
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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(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::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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void Epd::Display_Base(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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SendCommand(0x26);
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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::Display_Part(unsigned char *Image, unsigned long x, unsigned long y, unsigned long w, unsigned long l)
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{
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unsigned long i;
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unsigned long HEIGHT = l;
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unsigned long WIDTH = (w % 8 == 0)? (w / 8 ): (w / 8 + 1);
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Reset();
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SendCommand(0x18); // use the internal temperature sensor
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SendData(0x80);
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SendCommand(0x3C); // Border Border setting
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SendData(0x80);
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SendCommand(0x44);
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SendData(x & 0xFF);
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SendData((x>>8) & 0x03);
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SendData((x+w-1) & 0xFF);
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SendData(((x+w-1)>>8) & 0x03);
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SendCommand(0x45);
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SendData(y & 0xFF);
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SendData((y>>8) & 0x03);
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SendData((y+l-1) & 0xFF);
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SendData(((y+l-1)>>8) & 0x03);
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SendCommand(0x4E);
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SendData(x & 0xFF);
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SendData((x>>8) & 0x03);
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SendCommand(0x4F);
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SendData(y & 0xFF);
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SendData((y>>8) & 0x03);
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SendCommand(0x24); //write RAM for black(0)/white (1)
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for (unsigned long j = 0; j < HEIGHT; j++) {
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for (unsigned long i = 0; i < WIDTH; i++) {
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SendData(Image[i + j * WIDTH]);
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}
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}
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TurnOnDisplay_Part();
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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(0x03);
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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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