e-paper-display/bcm2835-1.71/e-Paper/RaspberryPi_JetsonNano/c/examples/EPD_4in37g_test.c

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2024-01-31 22:04:09 +00:00
/*****************************************************************************
* | File : EPD_4in37g_test.c
* | Author : Waveshare team
* | Function : 4.37inch e-Paper (G) test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2022-08-15
* | 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_4in37g.h"
#include "time.h"
int EPD_4in37g_test(void)
{
printf("EPD_4IN37G_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_4IN37G_Init();
struct timespec start={0,0}, finish={0,0};
clock_gettime(CLOCK_REALTIME, &start);
EPD_4IN37G_Clear(EPD_4IN37G_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;
UWORD Imagesize = ((EPD_4IN37G_WIDTH % 4 == 0)? (EPD_4IN37G_WIDTH / 4 ): (EPD_4IN37G_WIDTH / 4 + 1)) * EPD_4IN37G_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_4IN37G_WIDTH, EPD_4IN37G_HEIGHT, 0, EPD_4IN37G_WHITE);
Paint_SetScale(4);
#if 1 // show bmp
printf("show bmp------------------------\r\n");
Paint_SelectImage(BlackImage);
GUI_ReadBmp_RGB_4Color("./pic/4in37g0.bmp", 0, 0);
EPD_4IN37G_Display(BlackImage);
DEV_Delay_ms(2000);
printf("show bmp------------------------\r\n");
Paint_SelectImage(BlackImage);
GUI_ReadBmp_RGB_4Color("./pic/4in37g1.bmp", 0, 0);
EPD_4IN37G_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_4IN37G_WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, EPD_4IN37G_RED, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, EPD_4IN37G_YELLOW, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, EPD_4IN37G_BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, EPD_4IN37G_RED, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, EPD_4IN37G_RED, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, EPD_4IN37G_YELLOW, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, EPD_4IN37G_YELLOW, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, EPD_4IN37G_BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, EPD_4IN37G_BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, EPD_4IN37G_YELLOW, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, EPD_4IN37G_RED, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "Red, yellow, white and black", &Font20, EPD_4IN37G_YELLOW, EPD_4IN37G_WHITE);
Paint_DrawString_EN(10, 30, "Four color e-Paper", &Font12, EPD_4IN37G_RED, EPD_4IN37G_BLACK);
Paint_DrawString_CN(10, 125, "微雪电子", &Font24CN, EPD_4IN37G_WHITE, EPD_4IN37G_RED);
Paint_DrawNum(10, 50, 123456, &Font12, EPD_4IN37G_WHITE, EPD_4IN37G_BLACK);
printf("EPD_Display\r\n");
EPD_4IN37G_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_4IN37G_WHITE);
int hNumber, hWidth, vNumber, vWidth;
hNumber = 16;
hWidth = EPD_4IN37G_HEIGHT/hNumber; // 368/16=23
vNumber = 16;
vWidth = EPD_4IN37G_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_4IN37G_WIDTH, hWidth*(1+i), EPD_4IN37G_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_4IN37G_HEIGHT, EPD_4IN37G_YELLOW + (i/2%2), DOT_PIXEL_1X1, DRAW_FILL_FULL);
}
}
printf("EPD_Display\r\n");
EPD_4IN37G_Display(BlackImage);
DEV_Delay_ms(3000);
#endif
printf("Clear...\r\n");
EPD_4IN37G_Clear(EPD_4IN37G_WHITE);
printf("Goto Sleep...\r\n");
EPD_4IN37G_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;
}