epaperdisplay/lib/esp32-waveshare-epd/examples/epd7in5b_V2-demo/epd7in5b_V2-demo.ino

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Arduino
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2022-11-06 10:39:38 +00:00
/* Includes ------------------------------------------------------------------*/
#include "DEV_Config.h"
#include "EPD.h"
#include "GUI_Paint.h"
#include "imagedata.h"
#include <stdlib.h>
/* Entry point ----------------------------------------------------------------*/
void setup()
{
printf("EPD_7IN5B_V2_test Demo\r\n");
DEV_Module_Init();
printf("e-Paper Init and Clear...\r\n");
EPD_7IN5B_V2_Init();
EPD_7IN5B_V2_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage;
UWORD Imagesize = ((EPD_7IN5B_V2_WIDTH % 8 == 0) ? (EPD_7IN5B_V2_WIDTH / 8 ) : (EPD_7IN5B_V2_WIDTH / 8 + 1)) * EPD_7IN5B_V2_HEIGHT;
if ((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
while(1);
}
if ((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
while(1);
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_7IN5B_V2_WIDTH, EPD_7IN5B_V2_HEIGHT , 0, WHITE);
Paint_NewImage(RYImage, EPD_7IN5B_V2_WIDTH, EPD_7IN5B_V2_HEIGHT , 0, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_7IN5B_V2_Display(gImage_7in5_V2_b, gImage_7in5_V2_ry);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "微雪电子", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0, "你好abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_7IN5B_V2_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
printf("Clear...\r\n");
EPD_7IN5B_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_7IN5B_V2_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
}
/* The main loop -------------------------------------------------------------*/
void loop()
{
//
}