/***************************************************************************** * | File : EPD_3IN7_test.c * | Author : Waveshare team * | Function : 3.7inch e-paper test demo * | Info : *---------------- * | This version: V1.0 * | Date : 2020-07-16 * | 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_3in7.h" #include int EPD_3in7_test(void) { printf("EPD_3IN7_test Demo\r\n"); if(DEV_Module_Init()!=0){ return -1; } printf("e-Paper Init and Clear...\r\n"); EPD_3IN7_4Gray_Init(); struct timespec start={0,0}, finish={0,0}; clock_gettime(CLOCK_REALTIME,&start); EPD_3IN7_4Gray_Clear(); clock_gettime(CLOCK_REALTIME,&finish); printf("%ld S\r\n",finish.tv_sec-start.tv_sec); DEV_Delay_ms(500); //Create a new image cache UBYTE *BlackImage; // Allocate enough for for 4 bits for each pixel (16 gray) // If you don't use the dithering, this will only need to be 2 bits per pixel // you may have to edit the startup_stm32fxxx.s file and set a big enough heap size int Imagesize = (EPD_3IN7_WIDTH + 1) / 2 * EPD_3IN7_HEIGHT; if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) { printf("Failed to apply for memory...\r\n"); return -1; } printf("Paint_NewImage\r\n"); Paint_NewImage(BlackImage, EPD_3IN7_WIDTH, EPD_3IN7_HEIGHT, 270, WHITE); Paint_SetScale(4); Paint_Clear(WHITE); #if 1 // show bmp printf("show window BMP-----------------\r\n"); Paint_SelectImage(BlackImage); Paint_Clear(WHITE); GUI_ReadBmp("./pic/100x100.bmp", 50, 50); EPD_3IN7_4Gray_Display(BlackImage); DEV_Delay_ms(4000); printf("show 4 gray bmp------------------------\r\n"); Paint_Clear(WHITE); GUI_ReadBmp_4Gray("./pic/3in7_Scale.bmp", 0, 0); EPD_3IN7_4Gray_Display(BlackImage); DEV_Delay_ms(4000); #endif #if 1 // Drawing on the image, partial display //1.Select Image printf("SelectImage:BlackImage\r\n"); Paint_SelectImage(BlackImage); Paint_SetScale(4); Paint_Clear(WHITE); // 2.Drawing on the image printf("Drawing:BlackImage\r\n"); 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_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_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY); Paint_DrawCircle(105, 95, 20, WHITE, 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_EN(10, 0, "waveshare", &Font16, BLACK, WHITE); Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK); Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE); Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK); Paint_DrawString_EN(10, 150, "GRAY1 with black background", &Font24, BLACK, GRAY1); Paint_DrawString_EN(10, 175, "GRAY2 with white background", &Font24, WHITE, GRAY2); Paint_DrawString_EN(10, 200, "GRAY3 with white background", &Font24, WHITE, GRAY3); Paint_DrawString_EN(10, 225, "GRAY4 with white background", &Font24, WHITE, GRAY4); printf("EPD_Display\r\n"); EPD_3IN7_4Gray_Display(BlackImage); DEV_Delay_ms(4000); #endif #if 1 // partial update, just 1 Gray mode Paint_NewImage(BlackImage, 50, 120, 270, WHITE); EPD_3IN7_1Gray_Init(); //init 1 Gray mode EPD_3IN7_1Gray_Clear(); Paint_SelectImage(BlackImage); Paint_SetScale(2); Paint_Clear(WHITE); printf("show time, partial update, just 1 Gary mode\r\n"); PAINT_TIME sPaint_time; sPaint_time.Hour = 12; sPaint_time.Min = 34; sPaint_time.Sec = 56; UBYTE num = 15; 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_Clear(WHITE); Paint_DrawRectangle(1, 1, 120, 50, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY); Paint_DrawTime(10, 15, &sPaint_time, &Font20, WHITE, BLACK); num = num - 1; if(num == 0) { break; } printf("Part refresh...\r\n"); EPD_3IN7_1Gray_Display_Part(BlackImage, 40, 30, 90, 150); // Xstart must be a multiple of 8 DEV_Delay_ms(500); } #if 1 // show dithered bmp EPD_3IN7_4Gray_Init(); // Clear EPD_3IN7_4Gray_Clear(); EPD_3IN7_1Gray_Init(); //init 1 Gray mode EPD_3IN7_1Gray_Clear(); Paint_NewImage(BlackImage, 280, 480, 0, WHITE); Paint_SetScale(16); Paint_Clear(WHITE); printf("show dithered BMP with Sierra-Lite\r\n"); GUI_ReadBmp_16Gray("./pic/3in7_4bit1.bmp", 0, 0); EPD_3IN7_1Gray_Display_Dithered(BlackImage, 0); DEV_Delay_ms(4000); printf("show dithered BMP with Floyd-Steinberg\r\n"); EPD_3IN7_1Gray_Display_Dithered(BlackImage, 1); DEV_Delay_ms(4000); #endif #endif EPD_3IN7_4Gray_Init(); printf("Clear...\r\n"); EPD_3IN7_4Gray_Clear(); // Sleep & close 5V printf("Goto Sleep...\r\n"); EPD_3IN7_Sleep(); free(BlackImage); BlackImage = NULL; DEV_Delay_ms(2000);//important, at least 2s printf("close 5V, Module enters 0 power consumption ...\r\n"); DEV_Module_Exit(); return 0; }