eink-linux-pda/e-Paper/RaspberryPi_JetsonNano/c/examples/EPD_7in5b_V2_test.c
2026-01-15 10:21:39 -05:00

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/*****************************************************************************
* | File : EPD_7in5b_V2_test.c
* | Author : Waveshare team
* | Function : 7.5inch e-paper B test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2024-08-07
* | 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_7in5b_V2.h"
int EPD_7in5b_V2_test(void)
{
printf("EPD_7IN5B_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
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");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -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 0 // show bmp
printf("show window BMP-----------------\r\n");
Paint_SelectImage(BlackImage);
GUI_ReadBmp("./pic/2in9.bmp", 50, 100);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
GUI_ReadBmp("./pic/2in9.bmp", 350, 100);
EPD_7IN5B_V2_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
printf("show red bmp------------------------\r\n");
Paint_SelectImage(BlackImage);
GUI_ReadBmp("./pic/7in5_V2_b.bmp", 0, 0);
Paint_SelectImage(RYImage);
GUI_ReadBmp("./pic/7in5_V2_r.bmp", 0, 0);
EPD_7IN5B_V2_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
#if 1 // show image for array
printf("show image for array\r\n");
EPD_7IN5B_V2_Init_Fast();
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
EPD_7IN5B_V2_Init();
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, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &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,"<EFBFBD><EFBFBD><EFBFBD>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
#if 1 //Partial refresh, example shows time
EPD_7IN5B_V2_Init_Part();
EPD_7IN5B_V2_Display_Base_color(WHITE);
Paint_NewImage(BlackImage, Font20.Width * 7, Font20.Height, 0, WHITE);
Debug("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(0, 0, Font20.Width * 7, Font20.Height, WHITE);
Paint_DrawTime(0, 0, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_7IN5B_V2_Display_Partial(BlackImage, 10, 130, 10 + Font20.Width * 7, 130 + Font20.Height);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
printf("Clear...\r\n");
EPD_7IN5B_V2_Init();
EPD_7IN5B_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_7IN5B_V2_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = 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;
}