nemunaire/waveshareteam-e-Paper
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2020-09-03

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This commit is contained in:
wangkg 2020-09-04 15:30:45 +08:00
commit 751a9fb93f
570 changed files with 50854 additions and 16474 deletions
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21
Arduino/epd2in7/epd2in7.cpp
View file

@ -248,9 +248,11 @@ void Epd::SendData(unsigned char data) {
* @brief: Wait until the busy_pin goes HIGH
*/
void Epd::WaitUntilIdle(void) {
Serial.print("e-Paper busy\r\n");
while(DigitalRead(busy_pin) == 0) { //0: busy, 1: idle
DelayMs(100);
}
Serial.print("e-Paper busy release\r\n");
}
/**
@ -259,8 +261,10 @@ void Epd::WaitUntilIdle(void) {
* see Epd::Sleep();
*/
void Epd::Reset(void) {
DigitalWrite(reset_pin, HIGH);
DelayMs(200);
DigitalWrite(reset_pin, LOW);
DelayMs(20);
DelayMs(10);
DigitalWrite(reset_pin, HIGH);
DelayMs(200);
}
@ -370,17 +374,19 @@ void Epd::DisplayFrame(const unsigned char* frame_buffer) {
if (frame_buffer != NULL) {
SendCommand(DATA_START_TRANSMISSION_1);
DelayMs(2);
for(int i = 0; i < this->width / 8 * this->height; i++) {
SendData(0xFF);
for(int i = 0; i < 5808; i++) {
SendData(0xff);
}
DelayMs(2);
SendCommand(DATA_START_TRANSMISSION_2);
DelayMs(2);
for(int i = 0; i < this->width / 8 * this->height; i++) {
for(int i = 0; i < 5808; i++) {
SendData(pgm_read_byte(&frame_buffer[i]));
}
DelayMs(2);
SendCommand(DISPLAY_REFRESH);
SendCommand(0x12);
DelayMs(200);
WaitUntilIdle();
}
}
@ -499,6 +505,7 @@ void Epd::ClearFrame(void) {
*/
void Epd::DisplayFrame(void) {
SendCommand(DISPLAY_REFRESH);
DelayMs(200);
WaitUntilIdle();
}
@ -570,7 +577,3 @@ const unsigned char lut_wb[] =
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};

90
Arduino/epd2in7/epd2in7.ino
View file

@ -1,28 +1,28 @@
/**
* @filename : epd2in7-demo.ino
* @brief : 2.7inch e-paper display demo
* @author : Yehui from Waveshare
*
* Copyright (C) Waveshare August 22 2017
*
* 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.
*/
@filename : epd2in7-demo.ino
@brief : 2.7inch e-paper display demo
@author : Yehui from Waveshare
Copyright (C) Waveshare August 22 2017
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 <SPI.h>
#include "epd2in7.h"
@ -34,7 +34,7 @@
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
Serial.begin(115200);
Epd epd;
Serial.print("e-Paper init\r\n");
@ -47,23 +47,23 @@ void setup() {
epd.ClearFrame();
/**
* Due to RAM not enough in Arduino UNO, a frame buffer is not allowed.
* In this case, a smaller image buffer is allocated and you have to
* update a partial display several times.
* 1 byte = 8 pixels, therefore you have to set 8*N pixels at a time.
*/
Due to RAM not enough in Arduino UNO, a frame buffer is not allowed.
In this case, a smaller image buffer is allocated and you have to
update a partial display several times.
1 byte = 8 pixels, therefore you have to set 8*N pixels at a time.
*/
#if 1
unsigned char image[1024];
Paint paint(image, 176, 24); //width should be the multiple of 8
Paint paint(image, 176, 24); //width should be the multiple of 8
paint.Clear(UNCOLORED);
paint.DrawStringAt(0, 0, "e-Paper Demo", &Font16, COLORED);
epd.TransmitPartialData(paint.GetImage(), 16, 32, paint.GetWidth(), paint.GetHeight());
paint.Clear(COLORED);
paint.DrawStringAt(2, 2, "Hello world!", &Font20, UNCOLORED);
paint.DrawStringAt(20, 5, "Hello world!", &Font16, UNCOLORED);
epd.TransmitPartialData(paint.GetImage(), 0, 64, paint.GetWidth(), paint.GetHeight());
paint.SetWidth(64);
paint.SetHeight(64);
@ -72,7 +72,7 @@ void setup() {
paint.DrawLine(0, 0, 40, 50, COLORED);
paint.DrawLine(40, 0, 0, 50, COLORED);
epd.TransmitPartialData(paint.GetImage(), 10, 130, paint.GetWidth(), paint.GetHeight());
paint.Clear(UNCOLORED);
paint.DrawCircle(32, 32, 30, COLORED);
epd.TransmitPartialData(paint.GetImage(), 90, 120, paint.GetWidth(), paint.GetHeight());
@ -86,21 +86,26 @@ void setup() {
epd.TransmitPartialData(paint.GetImage(), 90, 190, paint.GetWidth(), paint.GetHeight());
/* This displays the data from the SRAM in e-Paper module */
Serial.print("show draw image\r\n");
epd.DisplayFrame();
#if 0
/* This displays an image */
epd.DisplayFrame(IMAGE_DATA);
delay(1000);
#endif
#if 1
/* This displays an image */
Serial.print("show 2-gray image\r\n");
epd.DisplayFrame(IMAGE_DATA);
delay(1000);
#endif
#if 1
Serial.print("show 4-gray image\r\n");
epd.Init_4Gray();
epd.Display4Gray(IMAGE_DATA_4Gray);
#endif
/* Deep sleep */
Serial.print("sleep...");
epd.Sleep();
}
@ -108,4 +113,3 @@ void loop() {
// put your main code here, to run repeatedly:
}