Added 2.36inch e-Paper (G) program and some fixes.

This commit is contained in:
SSYYL 2022-08-18 11:31:38 +08:00
commit 335392a396
41 changed files with 3920 additions and 595 deletions

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@ -0,0 +1,165 @@
/*****************************************************************************
* | File : EPD_2in36g_test.c
* | Author : Waveshare team
* | Function : 2.36inch e-Paper (G) test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2022-08-18
* | Info :
#
# 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 "EPD_Test.h"
#include "EPD_2in36g.h"
#include "time.h"
int EPD_2in36g_test(void)
{
printf("EPD_2IN36G_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN36G_Init();
struct timespec start={0,0}, finish={0,0};
clock_gettime(CLOCK_REALTIME, &start);
EPD_2IN36G_Clear(EPD_2IN36G_WHITE); // White
clock_gettime(CLOCK_REALTIME, &finish);
printf("%ld S\r\n", finish.tv_sec-start.tv_sec);
DEV_Delay_ms(2000);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_2IN36G_WIDTH % 4 == 0)? (EPD_2IN36G_WIDTH / 4 ): (EPD_2IN36G_WIDTH / 4 + 1)) * EPD_2IN36G_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN36G_WIDTH, EPD_2IN36G_HEIGHT, 0, WHITE);
Paint_SetScale(4);
#if 1 // show bmp
printf("show window BMP-----------------\r\n");
Paint_SelectImage(BlackImage);
GUI_ReadBmp_RGB_4Color("./pic/2.36inch-1.bmp", 0, 0);
EPD_2IN36G_Display(BlackImage);
DEV_Delay_ms(2000);
printf("show bmp------------------------\r\n");
Paint_SelectImage(BlackImage);
GUI_ReadBmp_RGB_4Color("./pic/2.36inch-2.bmp", 0, 0);
EPD_2IN36G_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
//1.Select Image
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(EPD_2IN36G_WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, EPD_2IN36G_BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, EPD_2IN36G_WHITE, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, EPD_2IN36G_RED, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, EPD_2IN36G_BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, EPD_2IN36G_BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, EPD_2IN36G_WHITE, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, EPD_2IN36G_WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, EPD_2IN36G_RED, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, EPD_2IN36G_RED, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, EPD_2IN36G_BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, EPD_2IN36G_WHITE, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "Red, yellow, white and black", &Font16, EPD_2IN36G_BLACK, EPD_2IN36G_WHITE);
Paint_DrawString_EN(10, 35, "Four color e-Paper", &Font12, EPD_2IN36G_WHITE, EPD_2IN36G_RED);
Paint_DrawString_CN(10, 125, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, EPD_2IN36G_BLACK, EPD_2IN36G_YELLOW);
Paint_DrawNum(10, 50, 123456, &Font12, EPD_2IN36G_BLACK, EPD_2IN36G_YELLOW);
printf("EPD_Display\r\n");
EPD_2IN36G_Display(BlackImage);
DEV_Delay_ms(3000);
#endif
#if 1 // Drawing on the image
//1.Select Image
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(EPD_2IN36G_WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawRectangle(1, 1, 168, 86, EPD_2IN36G_BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawRectangle(1, 210, 167, 295, EPD_2IN36G_WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawRectangle(59, 1, 109, 295, EPD_2IN36G_RED, DOT_PIXEL_1X1, DRAW_FILL_FULL);
printf("EPD_Display\r\n");
EPD_2IN36G_Display(BlackImage);
DEV_Delay_ms(3000);
#endif
#if 1 // Drawing on the image
//1.Select Image
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(EPD_2IN36G_WHITE);
int hNumber, hWidth, vNumber, vWidth;
hNumber = 16;
hWidth = EPD_2IN36G_HEIGHT/hNumber; // 368/16=23
vNumber = 16;
vWidth = EPD_2IN36G_WIDTH/vNumber; // 512/16=32
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
for(int i=0; i<hNumber; i++) { // horizontal
Paint_DrawRectangle(1, 1+i*hWidth, EPD_2IN36G_WIDTH, hWidth*(1+i), EPD_2IN36G_BLACK + (i % 2), DOT_PIXEL_1X1, DRAW_FILL_FULL);
}
for(int i=0; i<vNumber; i++) { // vertical
if(i%2) {
Paint_DrawRectangle(1+i*vWidth, 1, vWidth*(i+1), EPD_2IN36G_HEIGHT, EPD_2IN36G_YELLOW + (i/2%2), DOT_PIXEL_1X1, DRAW_FILL_FULL);
}
}
printf("EPD_Display\r\n");
EPD_2IN36G_Display(BlackImage);
DEV_Delay_ms(3000);
#endif
printf("Clear...\r\n");
EPD_2IN36G_Clear(EPD_2IN36G_WHITE);
printf("Goto Sleep...\r\n");
EPD_2IN36G_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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@ -38,7 +38,9 @@
#include <stdlib.h> // malloc() free()
int EPD_1in64g_test(void);
int EPD_2in36g_test(void);
int EPD_3in0g_test(void);
int EPD_4in37g_test(void);
int EPD_7in3g_test(void);
int EPD_1in54_DES_test(void);

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@ -17,6 +17,7 @@ int main(void)
signal(SIGINT, Handler);
// EPD_1in64g_test();
// EPD_2in36g_test();
// EPD_3in0g_test();
// EPD_4in37g_test();
// EPD_7in3g_test();

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@ -0,0 +1,238 @@
/*****************************************************************************
* | File : EPD_2in36g.c
* | Author : Waveshare team
* | Function : 2.36inch e-Paper (G)
* | Info :
*----------------
* | This version: V1.0
* | Date : 2022-08-17
* | Info :
* -----------------------------------------------------------------------------
#
# 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 "EPD_2in36g.h"
#include "Debug.h"
/******************************************************************************
function : Software reset
parameter:
******************************************************************************/
static void EPD_2IN36G_Reset(void)
{
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(20);
DEV_Digital_Write(EPD_RST_PIN, 0);
DEV_Delay_ms(2);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(20);
}
/******************************************************************************
function : send command
parameter:
Reg : Command register
******************************************************************************/
static void EPD_2IN36G_SendCommand(UBYTE Reg)
{
DEV_Digital_Write(EPD_DC_PIN, 0);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_WriteByte(Reg);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void EPD_2IN36G_SendData(UBYTE Data)
{
DEV_Digital_Write(EPD_DC_PIN, 1);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_WriteByte(Data);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
static void EPD_2IN36G_ReadBusyH(void)
{
Debug("e-Paper busy H\r\n");
while(!DEV_Digital_Read(EPD_BUSY_PIN)) { //LOW: idle, HIGH: busy
DEV_Delay_ms(5);
}
Debug("e-Paper busy H release\r\n");
}
static void EPD_2IN36G_ReadBusyL(void)
{
Debug("e-Paper busy L\r\n");
while(DEV_Digital_Read(EPD_BUSY_PIN)) { //LOW: idle, HIGH: busy
DEV_Delay_ms(5);
}
Debug("e-Paper busy L release\r\n");
}
/******************************************************************************
function : Turn On Display
parameter:
******************************************************************************/
static void EPD_2IN36G_TurnOnDisplay(void)
{
EPD_2IN36G_SendCommand(0x12); // DISPLAY_REFRESH
EPD_2IN36G_SendData(0x01);
EPD_2IN36G_ReadBusyH();
EPD_2IN36G_SendCommand(0x02); // POWER_OFF
EPD_2IN36G_SendData(0X00);
EPD_2IN36G_ReadBusyH();
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_2IN36G_Init(void)
{
EPD_2IN36G_Reset();
EPD_2IN36G_SendCommand(0x66);
EPD_2IN36G_SendData(0x49);
EPD_2IN36G_SendData(0x55);
EPD_2IN36G_SendData(0x13);
EPD_2IN36G_SendData(0x5D);
EPD_2IN36G_SendCommand(0x66);
EPD_2IN36G_SendData(0x49);
EPD_2IN36G_SendData(0x55);
EPD_2IN36G_SendCommand(0xB0);
EPD_2IN36G_SendData(0x03);//1 boost 20211113
EPD_2IN36G_SendCommand(0x00);
EPD_2IN36G_SendData(0x4F);
EPD_2IN36G_SendData(0x69);
EPD_2IN36G_SendCommand(0x03);
EPD_2IN36G_SendData(0x00);
EPD_2IN36G_SendCommand(0xF0);
EPD_2IN36G_SendData(0xF6);
EPD_2IN36G_SendData(0x0D);
EPD_2IN36G_SendData(0x00);
EPD_2IN36G_SendData(0x00);
EPD_2IN36G_SendData(0x00);
EPD_2IN36G_SendCommand(0x06); //20211113
EPD_2IN36G_SendData(0xCF);
EPD_2IN36G_SendData(0xDE);
EPD_2IN36G_SendData(0x0F);
EPD_2IN36G_SendCommand(0x41);
EPD_2IN36G_SendData(0x00);
EPD_2IN36G_SendCommand(0x50);
EPD_2IN36G_SendData(0x30);
EPD_2IN36G_SendCommand(0x60);
EPD_2IN36G_SendData(0x0C);
EPD_2IN36G_SendData(0x05);
EPD_2IN36G_SendCommand(0x61);
EPD_2IN36G_SendData(0xA8);
EPD_2IN36G_SendData(0x01);
EPD_2IN36G_SendData(0x28);
EPD_2IN36G_SendCommand(0x84);
EPD_2IN36G_SendData(0x01);
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void EPD_2IN36G_Clear(UBYTE color)
{
UWORD Width, Height;
Width = (EPD_2IN36G_WIDTH % 4 == 0)? (EPD_2IN36G_WIDTH / 4 ): (EPD_2IN36G_WIDTH / 4 + 1);
Height = EPD_2IN36G_HEIGHT;
EPD_2IN36G_SendCommand(0x68);
EPD_2IN36G_SendData(0x01);
EPD_2IN36G_SendCommand(0x04);
EPD_2IN36G_ReadBusyH();
EPD_2IN36G_SendCommand(0x10);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2IN36G_SendData((color << 6) | (color << 4) | (color << 2) | color);
}
}
EPD_2IN36G_SendCommand(0x68);
EPD_2IN36G_SendData(0x00);
EPD_2IN36G_TurnOnDisplay();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_2IN36G_Display(UBYTE *Image)
{
UWORD Width, Height;
Width = (EPD_2IN36G_WIDTH % 4 == 0)? (EPD_2IN36G_WIDTH / 4 ): (EPD_2IN36G_WIDTH / 4 + 1);
Height = EPD_2IN36G_HEIGHT;
EPD_2IN36G_SendCommand(0x68);
EPD_2IN36G_SendData(0x01);
EPD_2IN36G_SendCommand(0x04);
EPD_2IN36G_ReadBusyH();
EPD_2IN36G_SendCommand(0x10);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2IN36G_SendData(Image[i + j * Width]);
}
}
EPD_2IN36G_SendCommand(0x68);
EPD_2IN36G_SendData(0x00);
EPD_2IN36G_TurnOnDisplay();
}
/******************************************************************************
function : Enter sleep mode
parameter:
******************************************************************************/
void EPD_2IN36G_Sleep(void)
{
EPD_2IN36G_SendCommand(0x02); // POWER_OFF
EPD_2IN36G_SendData(0X00);
EPD_2IN36G_SendCommand(0x07); // DEEP_SLEEP
EPD_2IN36G_SendData(0XA5);
}

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@ -0,0 +1,51 @@
/*****************************************************************************
* | File : EPD_2in36g.h
* | Author : Waveshare team
* | Function : 2.36inch e-Paper (G)
* | Info :
*----------------
* | This version: V1.0
* | Date : 2022-08-17
* | Info :
* -----------------------------------------------------------------------------
#
# 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.
#
******************************************************************************/
#ifndef __EPD_2IN36G_H_
#define __EPD_2IN36G_H_
#include "DEV_Config.h"
// Display resolution
#define EPD_2IN36G_WIDTH 168
#define EPD_2IN36G_HEIGHT 296
// Color
#define EPD_2IN36G_BLACK 0x0
#define EPD_2IN36G_WHITE 0x1
#define EPD_2IN36G_YELLOW 0x2
#define EPD_2IN36G_RED 0x3
void EPD_2IN36G_Init(void);
void EPD_2IN36G_Clear(UBYTE color);
void EPD_2IN36G_Display(UBYTE *Image);
void EPD_2IN36G_Sleep(void);
#endif

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@ -1,5 +1,5 @@
/*****************************************************************************
* | File : EPD_4in37g.h
* | File : EPD_4in37g.c
* | Author : Waveshare team
* | Function : 4.37inch e-Paper (G)
* | Info :

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@ -1,5 +1,5 @@
/*****************************************************************************
* | File : EPD_4in37g.c
* | File : EPD_4in37g.h
* | Author : Waveshare team
* | Function : 4.37inch e-Paper (G)
* | Info :

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@ -45,7 +45,7 @@ try:
# time.sleep(3)
# # read bmp file
# logging.info("3.read bmp file")
# logging.info("2.read bmp file")
# Himage = Image.open(os.path.join(picdir, '1.64inch-1.bmp'))
# epd.display(epd.getbuffer(Himage))
# time.sleep(3)

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@ -0,0 +1,73 @@
#!/usr/bin/python
# -*- coding:utf-8 -*-
import sys
import os
picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
if os.path.exists(libdir):
sys.path.append(libdir)
import logging
from waveshare_epd import epd2in36g
import time
from PIL import Image,ImageDraw,ImageFont
import traceback
logging.basicConfig(level=logging.DEBUG)
try:
logging.info("epd2in36g Demo")
epd = epd2in36g.EPD()
logging.info("init and Clear")
epd.init()
epd.Clear()
font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
font40 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 40)
# Drawing on the image
logging.info("1.Drawing on the image...")
Himage = Image.new('RGB', (epd.width, epd.height), epd.WHITE)
draw = ImageDraw.Draw(Himage)
draw.text((5, 0), 'hello world', font = font18, fill = epd.RED)
draw.text((5, 20), '2.36inch e-Paper', font = font18, fill = epd.YELLOW)
draw.text((5, 40), u'微雪电子', font = font40, fill = epd.BLACK)
draw.text((5, 85), u'微雪电子', font = font40, fill = epd.YELLOW)
draw.text((5, 125), u'微雪电子', font = font40, fill = epd.RED)
draw.line((5, 175, 45, 245), fill = epd.RED)
draw.line((45, 175, 5, 245), fill = epd.YELLOW)
draw.rectangle((5, 175, 45, 245), outline = epd.BLACK)
draw.rectangle((55, 175, 95, 245), fill = epd.BLACK)
draw.arc((115, 175, 150, 210), 0, 360, fill = epd.BLACK)
draw.chord((115, 215, 150, 250), 0, 360, fill = epd.BLACK)
draw.chord((10, 252, 50, 295), 0, 360, fill = epd.YELLOW)
draw.chord((110, 252, 150, 295), 0, 360, fill = epd.RED)
epd.display(epd.getbuffer(Himage))
time.sleep(3)
# read bmp file
logging.info("2.read bmp file")
Himage = Image.open(os.path.join(picdir, '2.36inch-1.bmp'))
epd.display(epd.getbuffer(Himage))
time.sleep(3)
logging.info("3.read bmp file")
Himage = Image.open(os.path.join(picdir, '2.36inch-2.bmp'))
epd.display(epd.getbuffer(Himage))
time.sleep(3)
logging.info("Clear...")
epd.Clear()
logging.info("Goto Sleep...")
epd.sleep()
except IOError as e:
logging.info(e)
except KeyboardInterrupt:
logging.info("ctrl + c:")
epd2in36g.epdconfig.module_exit()
exit()

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@ -47,7 +47,7 @@ try:
# Switch width and height for landscape display
epd.init()
logging.info("1.Drawing on the image...")
logging.info("2.Drawing on the image...")
Himage = Image.new('RGB', (epd.height, epd.width), epd.WHITE)
draw = ImageDraw.Draw(Himage)
draw.text((5, 0), 'hello world', font = font18, fill = epd.RED)
@ -72,13 +72,13 @@ try:
time.sleep(3)
epd.init()
logging.info("3.read bmp file")
logging.info("4.read bmp file")
Himage = Image.open(os.path.join(picdir, '3inch-2.bmp'))
epd.display(epd.getbuffer(Himage))
time.sleep(3)
epd.init()
logging.info("3.read bmp file")
logging.info("5.read bmp file")
Himage = Image.open(os.path.join(picdir, '3inch-3.bmp'))
epd.display(epd.getbuffer(Himage))
time.sleep(3)

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@ -31,7 +31,7 @@ try:
Himage = Image.new('RGB', (epd.width, epd.height), epd.WHITE) # 255: clear the frame
draw = ImageDraw.Draw(Himage)
draw.text((5, 0), 'hello world', font = font18, fill = epd.RED)
draw.text((5, 20), '7.3inch e-Paper', font = font24, fill = epd.YELLOW)
draw.text((5, 20), '4.37inch e-Paper', font = font24, fill = epd.YELLOW)
draw.text((5, 45), u'微雪电子', font = font40, fill = epd.BLACK)
draw.text((5, 85), u'微雪电子', font = font40, fill = epd.YELLOW)
draw.text((5, 125), u'微雪电子', font = font40, fill = epd.RED)
@ -46,7 +46,7 @@ try:
time.sleep(3)
# read bmp file
logging.info("3.read image file")
logging.info("2.read image file")
Himage = Image.open(os.path.join(picdir, '4in37g0.jpg'))
epd.display(epd.getbuffer(Himage))
time.sleep(3)
@ -56,7 +56,7 @@ try:
epd.display(epd.getbuffer(Himage))
time.sleep(3)
logging.info("3.read image file")
logging.info("4.read image file")
Himage = Image.open(os.path.join(picdir, '4in37g2.jpg'))
epd.display(epd.getbuffer(Himage))
time.sleep(3)

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@ -46,7 +46,7 @@ try:
time.sleep(3)
# read bmp file
logging.info("3.read bmp file")
logging.info("2.read bmp file")
Himage = Image.open(os.path.join(picdir, '7.3inch-1.bmp'))
epd.display(epd.getbuffer(Himage))
time.sleep(3)
@ -56,7 +56,7 @@ try:
epd.display(epd.getbuffer(Himage))
time.sleep(3)
logging.info("3.read bmp file")
logging.info("4.read bmp file")
Himage = Image.open(os.path.join(picdir, '7.3inch-3.bmp'))
epd.display(epd.getbuffer(Himage))
time.sleep(3)

View file

@ -0,0 +1,240 @@
# *****************************************************************************
# * | File : epd2in36g.py
# * | Author : Waveshare team
# * | Function : Electronic paper driver
# * | Info :
# *----------------
# * | This version: V1.0
# * | Date : 2022-08-17
# # | Info : python demo
# -----------------------------------------------------------------------------
# ******************************************************************************/
# 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.
#
import logging
from . import epdconfig
import PIL
from PIL import Image
import io
# Display resolution
EPD_WIDTH = 168
EPD_HEIGHT = 296
logger = logging.getLogger(__name__)
class EPD:
def __init__(self):
self.reset_pin = epdconfig.RST_PIN
self.dc_pin = epdconfig.DC_PIN
self.busy_pin = epdconfig.BUSY_PIN
self.cs_pin = epdconfig.CS_PIN
self.width = EPD_WIDTH
self.height = EPD_HEIGHT
self.BLACK = 0x000000 # 00 BGR
self.WHITE = 0xffffff # 01
self.YELLOW = 0x00ffff # 10
self.RED = 0x0000ff # 11
# Hardware reset
def reset(self):
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(200)
epdconfig.digital_write(self.reset_pin, 0) # module reset
epdconfig.delay_ms(2)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(200)
def send_command(self, command):
epdconfig.digital_write(self.dc_pin, 0)
epdconfig.digital_write(self.cs_pin, 0)
epdconfig.spi_writebyte([command])
epdconfig.digital_write(self.cs_pin, 1)
def send_data(self, data):
epdconfig.digital_write(self.dc_pin, 1)
epdconfig.digital_write(self.cs_pin, 0)
epdconfig.spi_writebyte([data])
epdconfig.digital_write(self.cs_pin, 1)
def ReadBusyH(self):
logger.debug("e-Paper busy H")
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
epdconfig.delay_ms(5)
logger.debug("e-Paper busy H release")
def ReadBusyL(self):
logger.debug("e-Paper busy L")
while(epdconfig.digital_read(self.busy_pin) == 1): # 0: busy, 1: idle
epdconfig.delay_ms(5)
logger.debug("e-Paper busy L release")
def TurnOnDisplay(self):
self.send_command(0x12) # DISPLAY_REFRESH
self.send_data(0x01)
self.ReadBusyH()
self.send_command(0x02) # POWER_OFF
self.send_data(0X00)
self.ReadBusyH()
def init(self):
if (epdconfig.module_init() != 0):
return -1
# EPD hardware init start
self.reset()
self.send_command(0x66)
self.send_data(0x49)
self.send_data(0x55)
self.send_data(0x13)
self.send_data(0x5D)
self.send_command(0x66)
self.send_data(0x49)
self.send_data(0x55)
self.send_command(0xB0)
self.send_data(0x03)
self.send_command(0x00)
self.send_data(0x4F)
self.send_data(0x69)
self.send_command(0x03)
self.send_data(0x00)
self.send_command(0xF0)
self.send_data(0xF6)
self.send_data(0x0D)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_command(0x06)
self.send_data(0xCF)
self.send_data(0xDE)
self.send_data(0x0F)
self.send_command(0x41)
self.send_data(0x00)
self.send_command(0x50)
self.send_data(0x30)
self.send_command(0x60)
self.send_data(0x0C)
self.send_data(0x05)
self.send_command(0x61)
self.send_data(0xA8)
self.send_data(0x01)
self.send_data(0x28)
self.send_command(0x84)
self.send_data(0x01)
return 0
def getbuffer(self, image):
# Create a pallette with the 4 colors supported by the panel
pal_image = Image.new("P", (1,1))
pal_image.putpalette( (0,0,0, 255,255,255, 255,255,0, 255,0,0) + (0,0,0)*252)
# Check if we need to rotate the image
imwidth, imheight = image.size
if(imwidth == self.width and imheight == self.height):
image_temp = image
elif(imwidth == self.height and imheight == self.width):
image_temp = image.rotate(90, expand=True)
else:
logger.warning("Invalid image dimensions: %d x %d, expected %d x %d" % (imwidth, imheight, self.width, self.height))
# Convert the soruce image to the 4 colors, dithering if needed
image_4color = image_temp.convert("RGB").quantize(palette=pal_image)
buf_4color = bytearray(image_4color.tobytes('raw'))
# into a single byte to transfer to the panel
buf = [0x00] * int(self.width * self.height / 4)
idx = 0
for i in range(0, len(buf_4color), 4):
buf[idx] = (buf_4color[i] << 6) + (buf_4color[i+1] << 4) + (buf_4color[i+2] << 2) + buf_4color[i+3]
idx += 1
return buf
def display(self, image):
if self.width % 4 == 0 :
Width = self.width // 4
else :
Width = self.width // 4 + 1
Height = self.height
self.send_command(0x68)
self.send_data(0x01)
self.send_command(0x04)
self.ReadBusyH()
self.send_command(0x10)
for j in range(0, Height):
for i in range(0, Width):
self.send_data(image[i + j * Width])
self.send_command(0x68)
self.send_data(0x00)
self.TurnOnDisplay()
def Clear(self, color=0x55):
if self.width % 4 == 0 :
Width = self.width // 4
else :
Width = self.width // 4 + 1
Height = self.height
self.send_command(0x68)
self.send_data(0x01)
self.send_command(0x04)
self.ReadBusyH()
self.send_command(0x10)
for j in range(0, Height):
for i in range(0, Width):
self.send_data(color)
self.send_command(0x68)
self.send_data(0x00)
self.TurnOnDisplay()
def sleep(self):
self.send_command(0x02) # POWER_OFF
self.send_data(0x00)
self.send_command(0x07) # DEEP_SLEEP
self.send_data(0XA5)
epdconfig.delay_ms(2000)
epdconfig.module_exit()
### END OF FILE ###

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