eink-linux-pda/e-Paper/Arduino/epd13in3k/epd13in3k.cpp

452 lines
10 KiB
C++
Raw Permalink Normal View History

2026-01-15 10:21:39 -05:00
/**
* @filename : epd13in3k.cpp
* @brief : Implements for e-paper library
* @author : Yehui from Waveshare
*
* Copyright (C) Waveshare September 25 2023
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documnetation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdlib.h>
#include "epd13in3k.h"
const unsigned char Lut_Partial[]={
0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x2A, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x15, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0x01, 0x01, 0x00,
0x0A, 0x00, 0x05, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, 0x01,
0x22, 0x22, 0x22, 0x22, 0x22,
0x17, 0x41, 0xA8, 0x32, 0x18,
0x00, 0x00,
};
const unsigned char LUT_DATA_4Gray[112] = //112bytes
{
0x80, 0x48, 0x4A, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0A, 0x48, 0x68, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x88, 0x48, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xA8, 0x48, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x07, 0x23, 0x17, 0x02, 0x00,
0x05, 0x01, 0x05, 0x01, 0x02,
0x08, 0x02, 0x01, 0x04, 0x04,
0x00, 0x02, 0x00, 0x02, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01,
0x22, 0x22, 0x22, 0x22, 0x22,
0x17, 0x41, 0xA8, 0x32, 0x30,
0x00, 0x00,
};
Epd::~Epd() {
};
Epd::Epd() {
reset_pin = RST_PIN;
dc_pin = DC_PIN;
cs_pin = CS_PIN;
busy_pin = BUSY_PIN;
width = EPD_WIDTH;
height = EPD_HEIGHT;
};
int Epd::Init(void) {
if (IfInit() != 0) {
return -1;
}
Reset();
ReadBusy();
SendCommand(0x12);
ReadBusy();
SendCommand(0x0C);
SendData(0xAE);
SendData(0xC7);
SendData(0xC3);
SendData(0xC0);
SendData(0x80);
SendCommand(0x01);
SendData(0xA7);
SendData(0x02);
SendData(0x00);
SendCommand(0x11);
SendData(0x03);
SendCommand(0x44);
SendData(0x00);
SendData(0x00);
SendData(0xBF);
SendData(0x03);
SendCommand(0x45);
SendData(0x00);
SendData(0x00);
SendData(0xA7);
SendData(0x02);
SendCommand(0x3C);
SendData(0x05);
SendCommand(0x18);
SendData(0x80);
SendCommand(0x4E);
SendData(0x00);
SendData(0x00);
SendCommand(0x4F);
SendData(0x00);
SendData(0x00);
ReadBusy();
return 0;
}
int Epd::Init_Part(void) {
unsigned int count;
if (IfInit() != 0) {
return -1;
}
Reset();
ReadBusy();
SendCommand(0x3C);
SendData(0x80);
SendCommand(0x32);
for(count = 0; count < 105 ; count++) {
SendData(Lut_Partial[count]);
}
SendCommand(0x03);
SendData(Lut_Partial[105]);
SendCommand(0x04);
SendData(Lut_Partial[106]);
SendData(Lut_Partial[107]);
SendData(Lut_Partial[108]);
SendCommand(0x2C);
SendData(Lut_Partial[109]);
SendCommand(0x37);
SendData(0x00);
SendData(0x00);
SendData(0x00);
SendData(0x00);
SendData(0x00);
SendData(0x40);
SendData(0x00);
SendData(0x00);
SendData(0x00);
SendData(0x00);
SendCommand(0x3C);
SendData(0x80);
SendCommand(0x22);
SendData(0xC0);
SendCommand(0x20);
ReadBusy();
return 0;
}
int Epd::Init_4GRAY(void) {
unsigned int count;
if (IfInit() != 0) {
return -1;
}
ReadBusy();
SendCommand(0x12); //SWRESET
ReadBusy();
SendCommand(0x0C); //set soft start
SendData(0xAE);
SendData(0xC7);
SendData(0xC3);
SendData(0xC0);
SendData(0x80);
SendCommand(0x01);
SendData(0xA7);
SendData(0x02);
SendData(0x00);
SendCommand(0x11);
SendData(0x03);
SendCommand(0x44);
SendData(0x00);
SendData(0x00);
SendData(0xBF);
SendData(0x03);
SendCommand(0x45);
SendData(0x00);
SendData(0x00);
SendData(0xA7);
SendData(0x02);
SendCommand(0x3C); // Border Border setting
SendData(0x00);
SendCommand(0x18); // use the internal temperature sensor
SendData(0x80);
SendCommand(0x4E);
SendData(0x00);
SendData(0x00);
SendCommand(0x4F);
SendData(0x00);
SendData(0x00);
SendCommand(0x32);
for(count = 0; count < 105 ; count++) {
SendData(LUT_DATA_4Gray[count]);
}
SendCommand(0x03);
SendData(LUT_DATA_4Gray[105]);
SendCommand(0x04);
SendData(LUT_DATA_4Gray[106]);
SendData(LUT_DATA_4Gray[107]);
SendData(LUT_DATA_4Gray[108]);
SendCommand(0x2C);
SendData(LUT_DATA_4Gray[109]);
ReadBusy();
return 0;
}
/**
* @brief: basic function for sending commands
*/
void Epd::SendCommand(unsigned char command) {
DigitalWrite(dc_pin, LOW);
SpiTransfer(command);
}
/**
* @brief: basic function for sending data
*/
void Epd::SendData(unsigned char data) {
DigitalWrite(dc_pin, HIGH);
SpiTransfer(data);
}
/**
* @brief: Wait until the busy_pin goes HIGH
*/
void Epd::ReadBusy(void) {
unsigned char busy;
Serial.print("e-Paper Busy\r\n ");
do{
DelayMs(20);
busy = DigitalRead(busy_pin);
}while(busy == 1);
Serial.print("e-Paper Busy Release\r\n ");
DelayMs(20);
}
/**
* @brief: Refresh function
*/
void Epd::TurnOnDisplay(void) {
SendCommand(0x22);
SendData(0xF7);
SendCommand(0x20);
ReadBusy();
}
void Epd::TurnOnDisplay_Part(void)
{
SendCommand(0x22); //Display Update Control
SendData(0xCF);
SendCommand(0x20); //Activate Display Update Sequence
ReadBusy();
}
void Epd::TurnOnDisplay_4GRAY(void)
{
SendCommand(0x22);
SendData(0xC7);
SendCommand(0x20);
ReadBusy();
}
/**
* @brief: module reset.
* often used to awaken the module in deep sleep,
* see Epd::Sleep();
*/
void Epd::Reset(void) {
DigitalWrite(reset_pin, HIGH);
DelayMs(20);
DigitalWrite(reset_pin, LOW); //module reset
DelayMs(2);
DigitalWrite(reset_pin, HIGH);
DelayMs(20);
}
void Epd::DisplayFrame(const unsigned char* frame_buffer) {
SendCommand(0x24);
for (unsigned long j = 0; j < height; j++) {
for (unsigned long i = 0; i < width/8; i++) {
SendData(frame_buffer[i + j * width/8]);
}
}
TurnOnDisplay();
}
void Epd::Displaypart(const unsigned char* pbuffer, unsigned long xStart, unsigned long yStart,unsigned long Picture_Width,unsigned long Picture_Height) {
SendCommand(0x24);
for (unsigned long j = 0; j < height; j++) {
for (unsigned long i = 0; i < width/8; i++) {
if( (j>=yStart) && (j<yStart+Picture_Height) && (i*8>=xStart) && (i*8<xStart+Picture_Width)){
SendData((pgm_read_byte(&(pbuffer[i-xStart/8 + (Picture_Width)/8*(j-yStart)]))) );
// SendData(0xff);
}else {
SendData(0xFF);
}
}
}
TurnOnDisplay();
}
void Epd::Display_Base(const unsigned char* frame_buffer) {
SendCommand(0x24);
for (unsigned long j = 0; j < height; j++) {
for (unsigned long i = 0; i < width/8; i++) {
SendData(frame_buffer[i + j * width/8]);
}
}
SendCommand(0x26);
for (unsigned long j = 0; j < height; j++) {
for (unsigned long i = 0; i < width/8; i++) {
SendData(frame_buffer[i + j * width/8]);
}
}
TurnOnDisplay();
}
void Epd::Display_Part(unsigned char *Image, unsigned long x, unsigned long y, unsigned long w, unsigned long l)
{
unsigned long i;
unsigned long HEIGHT = l;
unsigned long WIDTH = (w % 8 == 0)? (w / 8 ): (w / 8 + 1);
Reset();
SendCommand(0x18); // use the internal temperature sensor
SendData(0x80);
SendCommand(0x3C); // Border Border setting
SendData(0x80);
SendCommand(0x44);
SendData(x & 0xFF);
SendData((x>>8) & 0x03);
SendData((x+w-1) & 0xFF);
SendData(((x+w-1)>>8) & 0x03);
SendCommand(0x45);
SendData(y & 0xFF);
SendData((y>>8) & 0x03);
SendData((y+l-1) & 0xFF);
SendData(((y+l-1)>>8) & 0x03);
SendCommand(0x4E);
SendData(x & 0xFF);
SendData((x>>8) & 0x03);
SendCommand(0x4F);
SendData(y & 0xFF);
SendData((y>>8) & 0x03);
SendCommand(0x24); //write RAM for black(0)/white (1)
for (unsigned long j = 0; j < HEIGHT; j++) {
for (unsigned long i = 0; i < WIDTH; i++) {
SendData(Image[i + j * WIDTH]);
}
}
TurnOnDisplay_Part();
}
/**
* @brief: After this command is transmitted, the chip would enter the
* deep-sleep mode to save power.
* The deep sleep mode would return to standby by hardware reset.
* The only one parameter is a check code, the command would be
* executed if check code = 0xA5.
* You can use EPD_Reset() to awaken
*/
void Epd::Sleep(void) {
SendCommand(0x10);
SendData(0x03);
DelayMs(100);
ReadBusy();
}
void Epd::Clear(void) {
SendCommand(0x24);
for(unsigned long i=0; i<height*width/8; i++) {
SendData(0xFF);
}
TurnOnDisplay();
}
/* END OF FILE */