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e-Paper/Arduino/epd1in54_V2/epd1in54_V2.cpp
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e-Paper/Arduino/epd1in54_V2/epd1in54_V2.cpp
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/*****************************************************************************
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* | File : epd1in54_V2.cpp
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* | Author : Waveshare team
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* | Function : 1.54inch e-paper V2
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2019-06-24
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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
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# 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
|
||||
# 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
|
||||
# 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
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||||
# THE SOFTWARE.
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#
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******************************************************************************/
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||||
#include <stdlib.h>
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||||
#include "epd1in54_V2.h"
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// waveform full refresh
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unsigned char WF_Full_1IN54[159] =
|
||||
{
|
||||
0x80, 0x48, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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||||
0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x80, 0x48, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0xA, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x8, 0x1, 0x0, 0x8, 0x1, 0x0, 0x2,
|
||||
0xA, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
||||
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0,
|
||||
0x22, 0x17, 0x41, 0x0, 0x32, 0x20
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||||
};
|
||||
|
||||
// waveform partial refresh(fast)
|
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unsigned char WF_PARTIAL_1IN54_0[159] =
|
||||
{
|
||||
0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x40,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0xF,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x1,0x1,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
|
||||
0x02,0x17,0x41,0xB0,0x32,0x28,
|
||||
};
|
||||
|
||||
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;
|
||||
};
|
||||
|
||||
/**
|
||||
* @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::WaitUntilIdle(void)
|
||||
{
|
||||
while(DigitalRead(busy_pin) == 1) { //LOW: idle, HIGH: busy
|
||||
DelayMs(100);
|
||||
}
|
||||
DelayMs(200);
|
||||
}
|
||||
|
||||
void Epd::Lut(unsigned char* lut)
|
||||
{
|
||||
SendCommand(0x32);
|
||||
for(unsigned char i=0; i<153; i++)
|
||||
SendData(lut[i]);
|
||||
WaitUntilIdle();
|
||||
}
|
||||
|
||||
void Epd::SetLut(unsigned char* lut)
|
||||
{
|
||||
Lut(lut);
|
||||
|
||||
SendCommand(0x3f);
|
||||
SendData(lut[153]);
|
||||
|
||||
SendCommand(0x03);
|
||||
SendData(lut[154]);
|
||||
|
||||
SendCommand(0x04);
|
||||
SendData(lut[155]);
|
||||
SendData(lut[156]);
|
||||
SendData(lut[157]);
|
||||
|
||||
SendCommand(0x2c);
|
||||
SendData(lut[158]);
|
||||
}
|
||||
|
||||
// High Direction
|
||||
int Epd::HDirInit(void)
|
||||
{
|
||||
/* this calls the peripheral hardware interface, see epdif */
|
||||
if (IfInit() != 0) {
|
||||
return -1;
|
||||
}
|
||||
/* EPD hardware init start */
|
||||
Reset();
|
||||
|
||||
WaitUntilIdle();
|
||||
SendCommand(0x12); //SWRESET
|
||||
WaitUntilIdle();
|
||||
|
||||
SendCommand(0x01); //Driver output control
|
||||
SendData(0xC7);
|
||||
SendData(0x00);
|
||||
SendData(0x01);
|
||||
|
||||
SendCommand(0x11); //data entry mode
|
||||
SendData(0x01);
|
||||
|
||||
SendCommand(0x44); //set Ram-X address start/end position
|
||||
SendData(0x00);
|
||||
SendData(0x18); //0x0C-->(18+1)*8=200
|
||||
|
||||
SendCommand(0x45); //set Ram-Y address start/end position
|
||||
SendData(0xC7); //0xC7-->(199+1)=200
|
||||
SendData(0x00);
|
||||
SendData(0x00);
|
||||
SendData(0x00);
|
||||
|
||||
SendCommand(0x3C); //BorderWavefrom
|
||||
SendData(0x01);
|
||||
|
||||
SendCommand(0x18);
|
||||
SendData(0x80);
|
||||
|
||||
SendCommand(0x22); // //Load Temperature and waveform setting.
|
||||
SendData(0XB1);
|
||||
SendCommand(0x20);
|
||||
|
||||
SendCommand(0x4E); // set RAM x address count to 0;
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||||
SendData(0x00);
|
||||
SendCommand(0x4F); // set RAM y address count to 0X199;
|
||||
SendData(0xC7);
|
||||
SendData(0x00);
|
||||
WaitUntilIdle();
|
||||
|
||||
SetLut(WF_Full_1IN54);
|
||||
/* EPD hardware init end */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Low Direction
|
||||
int Epd::LDirInit(void)
|
||||
{
|
||||
/* this calls the peripheral hardware interface, see epdif */
|
||||
if (IfInit() != 0) {
|
||||
return -1;
|
||||
}
|
||||
/* EPD hardware init start */
|
||||
Reset();
|
||||
|
||||
WaitUntilIdle();
|
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SendCommand(0x12); //SWRESET
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||||
WaitUntilIdle();
|
||||
|
||||
SendCommand(0x01); //Driver output control
|
||||
SendData(0xC7);
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||||
SendData(0x00);
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SendData(0x00);
|
||||
|
||||
SendCommand(0x11); //data entry mode
|
||||
SendData(0x03);
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||||
|
||||
SendCommand(0x44);
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/* x point must be the multiple of 8 or the last 3 bits will be ignored */
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SendData((0 >> 3) & 0xFF);
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SendData((199 >> 3) & 0xFF);
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SendCommand(0x45);
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SendData(0 & 0xFF);
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SendData((0 >> 8) & 0xFF);
|
||||
SendData(199 & 0xFF);
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SendData((199 >> 8) & 0xFF);
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|
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SendCommand(0x3C); //BorderWavefrom
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SendData(0x01);
|
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|
||||
SendCommand(0x18);
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SendData(0x80);
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SendCommand(0x22); // //Load Temperature and waveform setting.
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SendData(0XB1);
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SendCommand(0x20);
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|
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SendCommand(0x4E); // set RAM x address count to 0;
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SendData(0x00);
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SendCommand(0x4F); // set RAM y address count to 0X199;
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SendData(0xC7);
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SendData(0x00);
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WaitUntilIdle();
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SetLut(WF_Full_1IN54);
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/* EPD hardware init end */
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||||
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return 0;
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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(20);
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DigitalWrite(reset_pin, LOW); //module reset
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DelayMs(5);
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DigitalWrite(reset_pin, HIGH);
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DelayMs(20);
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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(0x24);
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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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SendCommand(0x26);
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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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//DISPLAY REFRESH
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DisplayFrame();
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}
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||||
|
||||
void Epd::Display(const unsigned char* frame_buffer)
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{
|
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
|
||||
|
||||
if (frame_buffer != NULL) {
|
||||
SendCommand(0x24);
|
||||
for (int j = 0; j < h; j++) {
|
||||
for (int i = 0; i < w; i++) {
|
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
|
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}
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}
|
||||
}
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||||
|
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//DISPLAY REFRESH
|
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DisplayFrame();
|
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}
|
||||
|
||||
void Epd::DisplayPartBaseImage(const unsigned char* frame_buffer)
|
||||
{
|
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
|
||||
int h = EPD_HEIGHT;
|
||||
|
||||
if (frame_buffer != NULL) {
|
||||
SendCommand(0x24);
|
||||
for (int j = 0; j < h; j++) {
|
||||
for (int i = 0; i < w; i++) {
|
||||
SendData(pgm_read_byte(&frame_buffer[i + j * w]));
|
||||
}
|
||||
}
|
||||
|
||||
SendCommand(0x26);
|
||||
for (int j = 0; j < h; j++) {
|
||||
for (int i = 0; i < w; i++) {
|
||||
SendData(pgm_read_byte(&frame_buffer[i + j * w]));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//DISPLAY REFRESH
|
||||
DisplayFrame();
|
||||
}
|
||||
void Epd::DisplayPartBaseWhiteImage(void)
|
||||
{
|
||||
int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
|
||||
int h = EPD_HEIGHT;
|
||||
|
||||
SendCommand(0x24);
|
||||
for (int j = 0; j < h; j++) {
|
||||
for (int i = 0; i < w; i++) {
|
||||
SendData(0xff);
|
||||
}
|
||||
}
|
||||
|
||||
SendCommand(0x26);
|
||||
for (int j = 0; j < h; j++) {
|
||||
for (int i = 0; i < w; i++) {
|
||||
SendData(0xff);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//DISPLAY REFRESH
|
||||
DisplayFrame();
|
||||
}
|
||||
|
||||
|
||||
void Epd::DisplayPart(const unsigned char* frame_buffer)
|
||||
{
|
||||
int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
|
||||
int h = EPD_HEIGHT;
|
||||
|
||||
if (frame_buffer != NULL) {
|
||||
SendCommand(0x24);
|
||||
for (int j = 0; j < h; j++) {
|
||||
for (int i = 0; i < w; i++) {
|
||||
SendData(pgm_read_byte(&frame_buffer[i + j * w]));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//DISPLAY REFRESH
|
||||
DisplayPartFrame();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief: private function to specify the memory area for data R/W
|
||||
*/
|
||||
void Epd::SetMemoryArea(int x_start, int y_start, int x_end, int y_end)
|
||||
{
|
||||
SendCommand(0x44);
|
||||
/* x point must be the multiple of 8 or the last 3 bits will be ignored */
|
||||
SendData((x_start >> 3) & 0xFF);
|
||||
SendData((x_end >> 3) & 0xFF);
|
||||
SendCommand(0x45);
|
||||
SendData(y_start & 0xFF);
|
||||
SendData((y_start >> 8) & 0xFF);
|
||||
SendData(y_end & 0xFF);
|
||||
SendData((y_end >> 8) & 0xFF);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: private function to specify the start point for data R/W
|
||||
*/
|
||||
void Epd::SetMemoryPointer(int x, int y)
|
||||
{
|
||||
SendCommand(0x4e);
|
||||
/* x point must be the multiple of 8 or the last 3 bits will be ignored */
|
||||
SendData((x >> 3) & 0xFF);
|
||||
SendCommand(0x4F);
|
||||
SendData(y & 0xFF);
|
||||
SendData((y >> 8) & 0xFF);
|
||||
WaitUntilIdle();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief: update the display
|
||||
* there are 2 memory areas embedded in the e-paper display
|
||||
* but once this function is called,
|
||||
* the the next action of SetFrameMemory or ClearFrame will
|
||||
* set the other memory area.
|
||||
*/
|
||||
void Epd::DisplayFrame(void)
|
||||
{
|
||||
//DISPLAY REFRESH
|
||||
SendCommand(0x22);
|
||||
SendData(0xc7);
|
||||
SendCommand(0x20);
|
||||
WaitUntilIdle();
|
||||
}
|
||||
|
||||
void Epd::DisplayPartFrame(void)
|
||||
{
|
||||
SendCommand(0x22);
|
||||
SendData(0xcF);
|
||||
SendCommand(0x20);
|
||||
WaitUntilIdle();
|
||||
}
|
||||
|
||||
|
||||
void Epd::SetFrameMemory(
|
||||
const unsigned char* image_buffer,
|
||||
int x,
|
||||
int y,
|
||||
int image_width,
|
||||
int image_height
|
||||
)
|
||||
{
|
||||
int x_end;
|
||||
int y_end;
|
||||
|
||||
DigitalWrite(reset_pin, LOW); //module reset
|
||||
DelayMs(2);
|
||||
DigitalWrite(reset_pin, HIGH);
|
||||
DelayMs(2);
|
||||
SendCommand(0x3c);
|
||||
SendData(0x80);
|
||||
|
||||
if (
|
||||
image_buffer == NULL ||
|
||||
x < 0 || image_width < 0 ||
|
||||
y < 0 || image_height < 0
|
||||
) {
|
||||
return;
|
||||
}
|
||||
/* x point must be the multiple of 8 or the last 3 bits will be ignored */
|
||||
x &= 0xF8;
|
||||
image_width &= 0xF8;
|
||||
if (x + image_width >= this->width) {
|
||||
x_end = this->width - 1;
|
||||
} else {
|
||||
x_end = x + image_width - 1;
|
||||
}
|
||||
if (y + image_height >= this->height) {
|
||||
y_end = this->height - 1;
|
||||
} else {
|
||||
y_end = y + image_height - 1;
|
||||
}
|
||||
SetMemoryArea(x, y, x_end, y_end);
|
||||
SetMemoryPointer(x, y);
|
||||
SendCommand(0x24);
|
||||
/* send the image data */
|
||||
for (int j = 0; j < y_end - y + 1; j++) {
|
||||
for (int i = 0; i < (x_end - x + 1) / 8; i++) {
|
||||
SendData(image_buffer[i + j * (image_width / 8)]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void Epd::SetFrameMemoryPartial(
|
||||
const unsigned char* image_buffer,
|
||||
int x,
|
||||
int y,
|
||||
int image_width,
|
||||
int image_height
|
||||
)
|
||||
{
|
||||
int x_end;
|
||||
int y_end;
|
||||
|
||||
DigitalWrite(reset_pin, LOW); //module reset
|
||||
DelayMs(2);
|
||||
DigitalWrite(reset_pin, HIGH);
|
||||
DelayMs(2);
|
||||
|
||||
SetLut(WF_PARTIAL_1IN54_0);
|
||||
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);
|
||||
WaitUntilIdle();
|
||||
|
||||
if (
|
||||
image_buffer == NULL ||
|
||||
x < 0 || image_width < 0 ||
|
||||
y < 0 || image_height < 0
|
||||
) {
|
||||
return;
|
||||
}
|
||||
/* x point must be the multiple of 8 or the last 3 bits will be ignored */
|
||||
x &= 0xF8;
|
||||
image_width &= 0xF8;
|
||||
if (x + image_width >= this->width) {
|
||||
x_end = this->width - 1;
|
||||
} else {
|
||||
x_end = x + image_width - 1;
|
||||
}
|
||||
if (y + image_height >= this->height) {
|
||||
y_end = this->height - 1;
|
||||
} else {
|
||||
y_end = y + image_height - 1;
|
||||
}
|
||||
SetMemoryArea(x, y, x_end, y_end);
|
||||
SetMemoryPointer(x, y);
|
||||
SendCommand(0x24);
|
||||
/* send the image data */
|
||||
for (int j = 0; j < y_end - y + 1; j++) {
|
||||
for (int i = 0; i < (x_end - x + 1) / 8; i++) {
|
||||
SendData(image_buffer[i + j * (image_width / 8)]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @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::Init() to awaken
|
||||
*/
|
||||
void Epd::Sleep()
|
||||
{
|
||||
SendCommand(0x10); //enter deep sleep
|
||||
SendData(0x01);
|
||||
DelayMs(200);
|
||||
|
||||
DigitalWrite(reset_pin, LOW);
|
||||
}
|
||||
|
||||
/* END OF FILE */
|
||||
Loading…
Add table
Add a link
Reference in a new issue