2019.06.24
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hnwangkg-ezio
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2990 changed files with 667957 additions and 444550 deletions
292
Arduino UNO/epd2in13d/fepd2in13.cpp
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292
Arduino UNO/epd2in13d/fepd2in13.cpp
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/**
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* @filename : epd2in13.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 9 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 <stdlib.h>
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#include "fepd2in13.h"
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/**
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* full screen update LUT
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**/
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const unsigned char 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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const unsigned char 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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const unsigned char 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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const unsigned char 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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const unsigned char 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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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() {
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Serial.begin(9600);
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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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/* EPD hardware init start */
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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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// WaitUntilIdle();
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SendCommand(0x00); //panel setting
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SendData(0xbf); //LUT from OTP£¬128x296
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SendData(0x0d); //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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/* EPD hardware init end */
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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 LOW
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*/
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void Epd::WaitUntilIdle(void) {
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while(DigitalRead(busy_pin) == HIGH) { //LOW: idle, HIGH: busy
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DelayMs(100);
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}
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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, LOW); //module reset
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DelayMs(200);
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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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* @brief: set the look-up table register
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*/
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void Epd::SetFullReg(void)
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{
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SendCommand(0X50); //VCOM AND DATA INTERVAL SETTING
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SendData(0x97); //WBmode:VBDF 17|D7 VBDW 97 VBDB 57 WBRmode:VBDF F7 VBDW 77 VBDB 37 VBDR B7
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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(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(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(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(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(lut_bb[count]);
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}
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}
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void Epd::SetFrameMemory(const unsigned char* image_buffer) {
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unsigned char Width, Height, data;
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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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DelayMs(10);
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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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data = pgm_read_byte(&image_buffer[i + j * Width]);
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SendData(data);
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// Serial.print(data);
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}
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}
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DelayMs(10);
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SetFullReg();
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DisplayFrame();
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}
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/**
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* @brief: clear the frame memory with the specified color.
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* this won't update the display.
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*/
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void Epd::ClearFrameMemory() {
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unsigned char 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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DelayMs(10);
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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(0xFF);
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}
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}
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DelayMs(10);
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SetFullReg();
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DisplayFrame();
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}
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/**
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* @brief: update the display
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* there are 2 memory areas embedded in the e-paper display
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* but once this function is called,
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* the the next action of SetFrameMemory or ClearFrame will
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* set the other memory area.
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*/
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void Epd::DisplayFrame(void) {
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SendCommand(0x12);
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DelayMs(100);
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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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* You can use Epd::Init() to awaken
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*/
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void Epd::Sleep() {
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SendCommand(0X50);
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SendData(0xf7);
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SendCommand(0X02); //power off
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SendCommand(0X07); //deep sleep
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SendData(0xA5);
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}
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/* END OF FILE */
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