fix arduino,add readme
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462
Arduino/epd2in13d/epd2in13d.cpp
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462
Arduino/epd2in13d/epd2in13d.cpp
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/*****************************************************************************
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* | File : EPD_2in13d
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* | Author : Waveshare team
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* | Function : 2.13inch e-paper d
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* | Info :
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*----------------
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* | This version: V4.0
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* | Date : 2019-12-31
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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 "epd2in13d.h"
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#include <arduino.h>
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/**
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* full screen update LUT
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**/
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static const unsigned char EPD_2IN13D_lut_vcomDC[] = {
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0x00, 0x08, 0x00, 0x00, 0x00, 0x02,
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0x60, 0x28, 0x28, 0x00, 0x00, 0x01,
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0x00, 0x14, 0x00, 0x00, 0x00, 0x01,
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0x00, 0x12, 0x12, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00,
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};
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static const unsigned char EPD_2IN13D_lut_ww[] = {
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0x40, 0x08, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
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0x40, 0x14, 0x00, 0x00, 0x00, 0x01,
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0xA0, 0x12, 0x12, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_2IN13D_lut_bw[] = {
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0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x0F, 0x0F, 0x00, 0x00, 0x03,
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0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
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0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_2IN13D_lut_wb[] = {
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0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
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0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
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0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_2IN13D_lut_bb[] = {
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0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
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0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
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0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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/**
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* partial screen update LUT
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**/
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static const unsigned char EPD_2IN13D_lut_vcom1[] = {
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0x00, 0x19, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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,0x00, 0x00,
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};
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static const unsigned char EPD_2IN13D_lut_ww1[] = {
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0x00, 0x19, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_2IN13D_lut_bw1[] = {
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0x80, 0x19, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_2IN13D_lut_wb1[] = {
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0x40, 0x19, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_2IN13D_lut_bb1[] = {
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0x00, 0x19, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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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: 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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/******************************************************************************
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function : Wait until the busy_pin goes LOW
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parameter:
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******************************************************************************/
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void Epd::ReadBusy(void)
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{
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Serial.print("ReadBusy\n");
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char busy;
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do {
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SendCommand(0x71);
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busy = DigitalRead(busy_pin);
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busy =!(busy & 0x01);
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} while(busy);
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Serial.print("ReadBusy over\n");
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DelayMs(200);
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}
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/******************************************************************************
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function : LUT download
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parameter:
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******************************************************************************/
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void Epd::SetFullReg(void)
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{
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SendCommand(0x82);
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SendData(0x00);
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SendCommand(0X50);
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SendData(0x97);
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unsigned int count;
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SendCommand(0x20);
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for(count=0; count<44; count++) {
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SendData(EPD_2IN13D_lut_vcomDC[count]);
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}
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SendCommand(0x21);
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for(count=0; count<42; count++) {
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SendData(EPD_2IN13D_lut_ww[count]);
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}
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SendCommand(0x22);
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for(count=0; count<42; count++) {
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SendData(EPD_2IN13D_lut_bw[count]);
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}
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SendCommand(0x23);
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for(count=0; count<42; count++) {
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SendData(EPD_2IN13D_lut_wb[count]);
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}
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SendCommand(0x24);
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for(count=0; count<42; count++) {
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SendData(EPD_2IN13D_lut_bb[count]);
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}
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}
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/******************************************************************************
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function : LUT download
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parameter:
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******************************************************************************/
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void Epd::SetPartReg(void)
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{
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SendCommand(0x82); //vcom_DC setting
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SendData(0x03);
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SendCommand(0X50);
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SendData(0x47);
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unsigned int count;
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SendCommand(0x20);
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for(count=0; count<44; count++) {
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SendData(EPD_2IN13D_lut_vcom1[count]);
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}
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SendCommand(0x21);
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for(count=0; count<42; count++) {
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SendData(EPD_2IN13D_lut_ww1[count]);
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}
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SendCommand(0x22);
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for(count=0; count<42; count++) {
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SendData(EPD_2IN13D_lut_bw1[count]);
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}
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SendCommand(0x23);
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for(count=0; count<42; count++) {
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SendData(EPD_2IN13D_lut_wb1[count]);
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}
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SendCommand(0x24);
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for(count=0; count<42; count++) {
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SendData(EPD_2IN13D_lut_bb1[count]);
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}
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}
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/******************************************************************************
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function : Turn On Display
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parameter:
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******************************************************************************/
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void Epd::TurnOnDisplay(void)
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{
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SendCommand(0x12); //DISPLAY REFRESH
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DelayMs(10); //!!!The delay here is necessary, 200uS at least!!!
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ReadBusy();
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}
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/******************************************************************************
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function : Initialize the e-Paper register
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parameter:
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******************************************************************************/
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void Epd::Init()
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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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SendCommand(0x01); //POWER SETTING
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SendData(0x03);
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SendData(0x00);
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SendData(0x2b);
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SendData(0x2b);
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SendData(0x03);
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SendCommand(0x06); //boost soft start
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SendData(0x17); //A
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SendData(0x17); //B
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SendData(0x17); //C
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SendCommand(0x04);
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ReadBusy();
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SendCommand(0x00); //panel setting
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SendData(0xbf); //LUT from OTP，128x296
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SendData(0x0e); //VCOM to 0V fast
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SendCommand(0x30); //PLL setting
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SendData(0x3a); // 3a 100HZ 29 150Hz 39 200HZ 31 171HZ
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SendCommand(0x61); //resolution setting
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SendData(EPD_WIDTH);
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SendData((EPD_HEIGHT >> 8) & 0xff);
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SendData(EPD_HEIGHT& 0xff);
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SendCommand(0x82); //vcom_DC setting
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SendData(0x28);
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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(0x10);
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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(0x00);
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}
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}
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SendCommand(0x13);
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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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SetFullReg();
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TurnOnDisplay();
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}
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/******************************************************************************
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function : Sends the image buffer in RAM to e-Paper and displays
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parameter:
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******************************************************************************/
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void Epd::Display(const unsigned char *Image)
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{
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int Width, Height;
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Width = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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Height = EPD_HEIGHT;
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SendCommand(0x10);
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for (int j = 0; j < Height; j++) {
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for (int i = 0; i < Width; i++) {
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SendData(0x00);
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}
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}
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SendCommand(0x13);
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for (int j = 0; j < Height; j++) {
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for (int 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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SetFullReg();
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TurnOnDisplay();
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}
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/******************************************************************************
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function : Sends the image buffer in RAM to e-Paper and displays
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parameter:
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******************************************************************************/
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void Epd::Displayimage(const unsigned char *Image)
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{
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int Width, Height;
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Width = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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Height = EPD_HEIGHT;
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SendCommand(0x10);
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for (int j = 0; j < Height; j++) {
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for (int i = 0; i < Width; i++) {
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SendData(0x00);
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}
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}
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SendCommand(0x13);
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for (int j = 0; j < Height; j++) {
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for (int i = 0; i < Width; i++) {
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SendData(pgm_read_byte(&Image[i + j * Width]));
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}
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}
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SetFullReg();
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TurnOnDisplay();
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}
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/******************************************************************************
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function : Sends the image buffer in RAM to e-Paper and displays
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parameter:
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******************************************************************************/
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void Epd::DisplayPart(const unsigned char *Image)
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{
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/* Set partial Windows */
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SetPartReg();
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SendCommand(0x91); //This command makes the display enter partial mode
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SendCommand(0x90); //resolution setting
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SendData(0); //x-start
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SendData(EPD_WIDTH - 1); //x-end
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SendData(0);
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SendData(0); //y-start
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SendData(EPD_HEIGHT / 256);
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SendData(EPD_HEIGHT % 256 - 1); //y-end
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SendData(0x28);
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int Width = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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/* send data */
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SendCommand(0x10);
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for (int j = 0; j < EPD_HEIGHT; j++) {
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for (int 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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SendCommand(0x13);
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for (int j = 0; j < EPD_HEIGHT; j++) {
|
||||
for (int i = 0; i < Width; i++) {
|
||||
SendData(Image[i + j * Width]);
|
||||
}
|
||||
}
|
||||
|
||||
/* Set partial refresh */
|
||||
TurnOnDisplay();
|
||||
}
|
||||
|
||||
/******************************************************************************
|
||||
function : Enter sleep mode
|
||||
parameter:
|
||||
******************************************************************************/
|
||||
void Epd::Sleep(void)
|
||||
{
|
||||
SendCommand(0X50);
|
||||
SendData(0xf7);
|
||||
SendCommand(0X02); //power off
|
||||
SendCommand(0X07); //deep sleep
|
||||
SendData(0xA5);
|
||||
|
||||
DigitalWrite(reset_pin, LOW);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue