wavesharelib/RaspberryPi_JetsonNano/c/examples/EPD_2in13b_V4_test.c

/*****************************************************************************
* | File      	:   EPD_2in13b_V4_test.c
* | Author      :   Waveshare team
* | Function    :   2.13inch B V4 e-paper test demo
* | Info        :
*----------------
* |	This version:   V1.0
* | Date        :   2022-04-21
* | 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_2in13b_V4.h"
#include "time.h"

int EPD_2in13b_V4_test(void)
{
    printf("EPD_2IN13B_V4_test Demo\r\n");
    if(DEV_Module_Init()!=0){
        return -1;
    }

    printf("e-Paper Init and Clear...\r\n");
    EPD_2IN13B_V4_Init();
	
	struct timespec start={0,0}, finish={0,0}; 
    clock_gettime(CLOCK_REALTIME,&start);
    EPD_2IN13B_V4_Clear();
	clock_gettime(CLOCK_REALTIME,&finish);
    Debug("%ld S\r\n",finish.tv_sec-start.tv_sec);	
    DEV_Delay_ms(500);

    //Create a new image cache named IMAGE_BW and fill it with white
    UBYTE *BlackImage, *RYImage; // Red or Yellow
    UWORD Imagesize = ((EPD_2IN13B_V4_WIDTH % 8 == 0)? (EPD_2IN13B_V4_WIDTH / 8 ): (EPD_2IN13B_V4_WIDTH / 8 + 1)) * EPD_2IN13B_V4_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_2IN13B_V4_WIDTH, EPD_2IN13B_V4_HEIGHT, 90, WHITE);
    Paint_NewImage(RYImage, EPD_2IN13B_V4_WIDTH, EPD_2IN13B_V4_HEIGHT, 90, WHITE);

    //Select Image
    Paint_SelectImage(BlackImage);
    Paint_Clear(WHITE);
    Paint_SelectImage(RYImage);
    Paint_Clear(WHITE);

#if 1   // show bmp
    printf("show window BMP-----------------\r\n");
    Paint_SelectImage(BlackImage);
    GUI_ReadBmp("./pic/100x100.bmp", 10, 0);
    Paint_SelectImage(RYImage);
    Paint_Clear(WHITE);    
    EPD_2IN13B_V4_Display(BlackImage, RYImage);
    DEV_Delay_ms(2000);

    printf("show red bmp------------------------\r\n");
    Paint_SelectImage(BlackImage);
    GUI_ReadBmp("./pic/2in13b_V4b.bmp", 0, 0);
    Paint_SelectImage(RYImage);
    GUI_ReadBmp("./pic/2in13b_V4r.bmp", 0, 0);
    EPD_2IN13B_V4_Display(BlackImage, RYImage);
    DEV_Delay_ms(2000);

#endif  

#if 1   // show image for array    
    printf("show image for array\r\n");
    EPD_2IN13B_V4_Display(gImage_2in13b_V4b, gImage_2in13b_V4r);
    DEV_Delay_ms(2000);
#endif

#if 1   // Drawing on the image
    /*Horizontal screen*/
    //1.Draw black image
    printf("Draw black image\r\n");
    Paint_SelectImage(BlackImage);
    Paint_Clear(WHITE);
    Paint_DrawPoint(5, 70, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
    Paint_DrawPoint(5, 80, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
    Paint_DrawLine(20, 70, 50, 100, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
    Paint_DrawLine(50, 70, 20, 100, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
    Paint_DrawRectangle(60, 70, 90, 100, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
    Paint_DrawCircle(125, 85, 15, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
    Paint_DrawString_CN(5, 15, "ÄãºÃabc", &Font12CN, WHITE, BLACK);

    //2.Draw red image
    printf("Draw red image\r\n");
    Paint_SelectImage(RYImage);
    Paint_Clear(WHITE);
    Paint_DrawPoint(5, 90, RED, DOT_PIXEL_3X3, DOT_STYLE_DFT);
    Paint_DrawPoint(5, 100, RED, DOT_PIXEL_4X4, DOT_STYLE_DFT);
    Paint_DrawLine(125, 70, 125, 100, RED, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
    Paint_DrawLine(110, 85, 140, 85, RED, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
    Paint_DrawRectangle(20, 70, 50, 100, RED, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
    Paint_DrawCircle(165, 85, 15, RED, DOT_PIXEL_1X1, DRAW_FILL_FULL);
    Paint_DrawString_EN(5, 0, "waveshare Electronics", &Font12, BLACK, WHITE);
    Paint_DrawNum(5, 50, 987654321, &Font16, WHITE, RED);

    printf("EPD_Display\r\n");
    EPD_2IN13B_V4_Display(BlackImage, RYImage);
    DEV_Delay_ms(5000);
#endif

    printf("Clear...\r\n");
    EPD_2IN13B_V4_Clear();

    printf("Goto Sleep...\r\n");
    EPD_2IN13B_V4_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;
}