#include "EPD_2in15b.h" #include "GUI_Paint.h" #include "fonts.h" #include "ImageData.h" void setup() { printf("EPD_2IN15B_test Demo\r\n"); DEV_Module_Init(); printf("e-Paper Init and Clear...\r\n"); EPD_2IN15B_Init(); EPD_2IN15B_Clear(); DEV_Delay_ms(500); //Create a new image cache UBYTE *BlackImage, *RedImage; /* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */ UWORD Imagesize = ((EPD_2IN15B_WIDTH % 8 == 0)? (EPD_2IN15B_WIDTH / 8 ): (EPD_2IN15B_WIDTH / 8 + 1)) * EPD_2IN15B_HEIGHT; if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) { printf("Failed to apply for black memory...\r\n"); DEV_Module_Exit(); while(1); } if((RedImage = (UBYTE *)malloc(Imagesize)) == NULL) { printf("Failed to apply for red memory...\r\n"); DEV_Module_Exit(); while(1); } printf("Paint_NewImage\r\n"); Paint_NewImage(BlackImage, EPD_2IN15B_WIDTH, EPD_2IN15B_HEIGHT, 270, WHITE); Paint_Clear(WHITE); Paint_NewImage(RedImage, EPD_2IN15B_WIDTH, EPD_2IN15B_HEIGHT, 270, WHITE); Paint_Clear(WHITE); #if 1 // show image for array Debug("show image for array\r\n"); EPD_2IN15B_Display(gImage_2in15b_B, gImage_2in15b_R); DEV_Delay_ms(2000); #endif #if 1 // Drawing on the image printf("Drawing\r\n"); //1.Draw black image Paint_NewImage(BlackImage, EPD_2IN15B_WIDTH, EPD_2IN15B_HEIGHT, 270, WHITE); 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_NewImage(RedImage, EPD_2IN15B_WIDTH, EPD_2IN15B_HEIGHT, 270, WHITE); Paint_SelectImage(RedImage); 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); EPD_2IN15B_Display(BlackImage, RedImage); DEV_Delay_ms(2000); #endif printf("Clear...\r\n"); EPD_2IN15B_Clear(); printf("Goto Sleep...\r\n"); EPD_2IN15B_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(); } void loop() { }