132 lines
4.6 KiB
C++
132 lines
4.6 KiB
C++
// Library, connections and info from: https://www.waveshare.com/wiki/E-Paper_ESP32_Driver_Board#Resource
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// Display: https://www.waveshare.com/product/4.2inch-e-paper.htm
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/* Includes ------------------------------------------------------------------*/
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#include "DEV_Config.h"
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#include "EPD.h"
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#include "GUI_Paint.h"
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#include <stdlib.h>
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#include "ImageData.h"
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void setup()
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{
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Serial.begin(115200);
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Serial.println("Booting");
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DEV_Module_Init(); //4.2" 400x300px
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Serial.println("e-Paper Init");
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EPD_4IN2_Init_Fast();
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Serial.println("e-Paper clear");
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EPD_4IN2_Clear(); //flashed black 2 times. long, short
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/*
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//Create a new image cache
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UBYTE *BWImage;
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// you have to edit the startup_stm32fxxx.s file and set a big enough heap size
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UWORD BWImagesize = ((EPD_4IN2_WIDTH % 8 == 0) ? (EPD_4IN2_WIDTH / 8 ) : (EPD_4IN2_WIDTH / 8 + 1)) * EPD_4IN2_HEIGHT;
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if ((BWImage = (UBYTE *)malloc(BWImagesize)) == NULL) {
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printf("Failed to apply for black memory...\r\n");
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while (1);
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}
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printf("Paint_NewImage\r\n");
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Paint_NewImage(BWImage, EPD_4IN2_WIDTH, EPD_4IN2_HEIGHT, 0, WHITE);
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printf("show image for array\r\n");
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Paint_SelectImage(BWImage);
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Paint_Clear(WHITE);
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Paint_DrawBitMap(gImage_4in2); //to convert image use: python3 img2array.py -i image.png
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EPD_4IN2_Display(BWImage);
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free(BWImage);
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BWImage=NULL;
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DEV_Delay_ms(10000);
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*/
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// ########## Grayscale
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Serial.println("e-Paper init 4gray");
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DEV_Delay_ms(1000);
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EPD_4IN2_Init_4Gray();
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UBYTE *GSImage;
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UWORD GSImagesize = ((EPD_4IN2_WIDTH % 8 == 0) ? (EPD_4IN2_WIDTH / 4 ) : (EPD_4IN2_WIDTH / 4 + 1)) * EPD_4IN2_HEIGHT;
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if ((GSImage = (UBYTE *)malloc(GSImagesize)) == NULL) {
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printf("Failed to apply for black memory...\r\n");
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while (1);
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}
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Paint_NewImage(GSImage, EPD_4IN2_WIDTH, EPD_4IN2_HEIGHT, 0, WHITE);
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Paint_SelectImage(GSImage);
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Paint_SetScale(4);
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Paint_DrawBitMap(gImage_4in2); //to convert 2-bit gray image to array: convert testimage.png -dither FloydSteinberg -define dither:diffusion-amount=85% -remap 4gray.png -compress RLE BMP3:output.bmp
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EPD_4IN2_4GrayDisplay(GSImage);
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DEV_Delay_ms(10000);
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/*
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Paint_Clear(WHITE);
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Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
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Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
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Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
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Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
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Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
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Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
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Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
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Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
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Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
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Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
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Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
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Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
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Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
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Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
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Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
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Paint_DrawString_CN(140, 0, "你好abc", &Font12CN, GRAY1, GRAY4);
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Paint_DrawString_CN(140, 40, "你好abc", &Font12CN, GRAY2, GRAY3);
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Paint_DrawString_CN(140, 80, "你好abc", &Font12CN, GRAY3, GRAY2);
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Paint_DrawString_CN(140, 120, "你好abc", &Font12CN, GRAY4, GRAY1);
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Paint_DrawString_CN(220, 0, "微雪电子", &Font24CN, GRAY1, GRAY4);
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Paint_DrawString_CN(220, 40, "微雪电子", &Font24CN, GRAY2, GRAY3);
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Paint_DrawString_CN(220, 80, "微雪电子", &Font24CN, GRAY3, GRAY2);
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Paint_DrawString_CN(220, 120, "微雪电子", &Font24CN, GRAY4, GRAY1);
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*/
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/*
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Serial.println("e-Paper Start Lines Test");
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DEV_Delay_ms(1000);
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for (uint16_t i=0;i<100;i++) {
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Serial.print("Lines ystart=");
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Serial.print(i%2);
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Serial.print(" i=");
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Serial.println(i);
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Paint_Clear(WHITE);
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for (uint16_t y=i%2;y<EPD_4IN2_HEIGHT;y=y+2) {
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Paint_DrawLine(0, y, EPD_4IN2_WIDTH, y, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
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}
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EPD_4IN2_4GrayDisplay(GSImage);
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DEV_Delay_ms(5000);
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}
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*/
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EPD_4IN2_Init_Fast();
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EPD_4IN2_Clear();
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printf("Goto Sleep...\r\n");
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EPD_4IN2_Sleep();
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free(GSImage);
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GSImage = NULL;
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}
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/* The main loop -------------------------------------------------------------*/
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void loop()
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{
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//
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}
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