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January 12, 2025 00:56
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Waveshare dev module demo doesn't work when wifi is enabled.
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| /* Includes ------------------------------------------------------------------*/ | |
| #include "DEV_Config.h" | |
| #include "EPD.h" | |
| #include "GUI_Paint.h" | |
| #include "ImageData.h" | |
| #include <stdlib.h> | |
| // If this is enabled (set to 1), partial refresh doesn't work as expected, and | |
| // the demo is a bit glitchy otherwise too./* Includes ------------------------------------------------------------------*/ | |
| #include "DEV_Config.h" | |
| #include "EPD.h" | |
| #include "GUI_Paint.h" | |
| #include "ImageData.h" | |
| #include <stdlib.h> | |
| // This is identical to the demo provided by waveshare, except for the addition | |
| // of connecting to wifi, and is intended to demo unexpected behaviour for | |
| // partial refreshes when wifi is enabled. | |
| // If this is enabled (set to 1), partial refresh doesn't work as expected, and | |
| // the demo is a bit glitchy otherwise too. | |
| #define USEWIFI 1 | |
| #if USEWIFI | |
| #include <WiFi.h> | |
| // Replace with your wifi SSID & password. | |
| const char *ssid = "<insert>"; | |
| const char *password = "<insert>"; | |
| #endif | |
| /* Entry point ----------------------------------------------------------------*/ | |
| void setup() | |
| { | |
| printf("EPD_4IN26_test Demo\r\n"); | |
| DEV_Module_Init(); | |
| #if USEWIFI | |
| Serial.println(); | |
| Serial.println(); | |
| Serial.print("Connecting to "); | |
| Serial.println(ssid); | |
| WiFi.begin(ssid, password); | |
| while (WiFi.status() != WL_CONNECTED) { | |
| delay(500); | |
| Serial.print("."); | |
| } | |
| Serial.println(""); | |
| Serial.println("WiFi connected."); | |
| Serial.println("IP address: "); | |
| Serial.println(WiFi.localIP()); | |
| #endif | |
| printf("e-Paper Init and Clear...\r\n"); | |
| EPD_4in26_Init(); | |
| EPD_4in26_Clear(); | |
| //Create a new image cache | |
| UBYTE *BlackImage; | |
| /* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */ | |
| UDOUBLE Imagesize = ((EPD_4in26_WIDTH % 8 == 0)? (EPD_4in26_WIDTH / 8 ): (EPD_4in26_WIDTH / 8 + 1)) * EPD_4in26_HEIGHT; | |
| if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) { | |
| printf("Failed to apply for black memory...\r\n"); | |
| while(1); | |
| } | |
| printf("Paint_NewImage\r\n"); | |
| Paint_NewImage(BlackImage, EPD_4in26_WIDTH, EPD_4in26_HEIGHT, 0, WHITE); | |
| #if 1 // show image for array | |
| EPD_4in26_Init_Fast(); | |
| printf("show image for array\r\n"); | |
| Paint_SelectImage(BlackImage); | |
| Paint_Clear(WHITE); | |
| Paint_DrawBitMap(gImage_4in26); | |
| EPD_4in26_Display_Fast(BlackImage); | |
| DEV_Delay_ms(2000); | |
| #endif | |
| #if 1 // Drawing on the image | |
| EPD_4in26_Init(); | |
| //1.Select Image | |
| printf("SelectImage:BlackImage\r\n"); | |
| Paint_SelectImage(BlackImage); | |
| 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, 1, "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_CN(130, 1, "你好abc", &Font12CN, BLACK, WHITE); | |
| Paint_DrawString_CN(130, 20, "微雪电子", &Font24CN, WHITE, BLACK); | |
| printf("EPD_Display\r\n"); | |
| // EPD_4in26_Display(BlackImage); | |
| EPD_4in26_Display_Base(BlackImage); | |
| DEV_Delay_ms(2000); | |
| #endif | |
| #if 1 | |
| printf("Partial refresh\r\n"); | |
| Paint_NewImage(BlackImage, 200, 50, 0, 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_Clear(WHITE); | |
| Paint_DrawTime(20, 10, &sPaint_time, &Font20, WHITE, BLACK); | |
| EPD_4in26_Display_Part(BlackImage, 80, 200, 200, 50); | |
| DEV_Delay_ms(500);//Analog clock 1s | |
| num = num - 1; | |
| if(num == 0) { | |
| break; | |
| } | |
| } | |
| #endif | |
| #if 1 // show image for array | |
| free(BlackImage); | |
| printf("show Gray------------------------\r\n"); | |
| Imagesize = ((EPD_4in26_WIDTH % 4 == 0)? (EPD_4in26_WIDTH / 4 ): (EPD_4in26_WIDTH / 4 + 1)) * EPD_4in26_HEIGHT; | |
| if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) { | |
| printf("Failed to apply for black memory...\r\n"); | |
| while(1); | |
| } | |
| EPD_4in26_Init_4GRAY(); | |
| printf("4 grayscale display\r\n"); | |
| Paint_NewImage(BlackImage, EPD_4in26_WIDTH, EPD_4in26_HEIGHT, 90, WHITE); | |
| Paint_SetScale(4); | |
| Paint_Clear(0xff); | |
| Paint_DrawPoint(10, 80, GRAY4, DOT_PIXEL_1X1, DOT_STYLE_DFT); | |
| Paint_DrawPoint(10, 90, GRAY4, DOT_PIXEL_2X2, DOT_STYLE_DFT); | |
| Paint_DrawPoint(10, 100, GRAY4, DOT_PIXEL_3X3, DOT_STYLE_DFT); | |
| Paint_DrawLine(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID); | |
| Paint_DrawLine(70, 70, 20, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID); | |
| Paint_DrawRectangle(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY); | |
| Paint_DrawRectangle(80, 70, 130, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_FULL); | |
| Paint_DrawCircle(45, 95, 20, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY); | |
| Paint_DrawCircle(105, 95, 20, GRAY2, DOT_PIXEL_1X1, DRAW_FILL_FULL); | |
| Paint_DrawLine(85, 95, 125, 95, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED); | |
| Paint_DrawLine(105, 75, 105, 115, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED); | |
| Paint_DrawString_EN(10, 0, "waveshare", &Font16, GRAY4, GRAY1); | |
| Paint_DrawString_EN(10, 20, "hello world", &Font12, GRAY3, GRAY1); | |
| Paint_DrawNum(10, 33, 123456789, &Font12, GRAY4, GRAY2); | |
| Paint_DrawNum(10, 50, 987654321, &Font16, GRAY1, GRAY4); | |
| Paint_DrawString_CN(150, 0,"你好abc", &Font12CN, GRAY4, GRAY1); | |
| Paint_DrawString_CN(150, 20,"你好abc", &Font12CN, GRAY3, GRAY2); | |
| Paint_DrawString_CN(150, 40,"你好abc", &Font12CN, GRAY2, GRAY3); | |
| Paint_DrawString_CN(150, 60,"你好abc", &Font12CN, GRAY1, GRAY4); | |
| Paint_DrawString_CN(10, 130, "微雪电子", &Font24CN, GRAY1, GRAY4); | |
| EPD_4in26_4GrayDisplay(BlackImage); | |
| DEV_Delay_ms(3000); | |
| #endif | |
| EPD_4in26_Init(); | |
| EPD_4in26_Clear(); | |
| printf("Goto Sleep...\r\n"); | |
| EPD_4in26_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"); | |
| } | |
| /* The main loop -------------------------------------------------------------*/ | |
| void loop() | |
| { | |
| // | |
| } | |
| #define USEWIFI 1 | |
| #if USEWIFI | |
| #include <WiFi.h> | |
| // Replace with your wifi SSID & password. | |
| const char *ssid = "<insert>"; | |
| const char *password = "<insert>"; | |
| #endif | |
| /* Entry point ----------------------------------------------------------------*/ | |
| void setup() | |
| { | |
| printf("EPD_4IN26_test Demo\r\n"); | |
| DEV_Module_Init(); | |
| #if USEWIFI | |
| Serial.println(); | |
| Serial.println(); | |
| Serial.print("Connecting to "); | |
| Serial.println(ssid); | |
| WiFi.begin(ssid, password); | |
| while (WiFi.status() != WL_CONNECTED) { | |
| delay(500); | |
| Serial.print("."); | |
| } | |
| Serial.println(""); | |
| Serial.println("WiFi connected."); | |
| Serial.println("IP address: "); | |
| Serial.println(WiFi.localIP()); | |
| #endif | |
| printf("e-Paper Init and Clear...\r\n"); | |
| EPD_4in26_Init(); | |
| EPD_4in26_Clear(); | |
| //Create a new image cache | |
| UBYTE *BlackImage; | |
| /* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */ | |
| UDOUBLE Imagesize = ((EPD_4in26_WIDTH % 8 == 0)? (EPD_4in26_WIDTH / 8 ): (EPD_4in26_WIDTH / 8 + 1)) * EPD_4in26_HEIGHT; | |
| if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) { | |
| printf("Failed to apply for black memory...\r\n"); | |
| while(1); | |
| } | |
| printf("Paint_NewImage\r\n"); | |
| Paint_NewImage(BlackImage, EPD_4in26_WIDTH, EPD_4in26_HEIGHT, 0, WHITE); | |
| #if 1 // show image for array | |
| EPD_4in26_Init_Fast(); | |
| printf("show image for array\r\n"); | |
| Paint_SelectImage(BlackImage); | |
| Paint_Clear(WHITE); | |
| Paint_DrawBitMap(gImage_4in26); | |
| EPD_4in26_Display_Fast(BlackImage); | |
| DEV_Delay_ms(2000); | |
| #endif | |
| #if 1 // Drawing on the image | |
| EPD_4in26_Init(); | |
| //1.Select Image | |
| printf("SelectImage:BlackImage\r\n"); | |
| Paint_SelectImage(BlackImage); | |
| 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, 1, "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_CN(130, 1, "你好abc", &Font12CN, BLACK, WHITE); | |
| Paint_DrawString_CN(130, 20, "微雪电子", &Font24CN, WHITE, BLACK); | |
| printf("EPD_Display\r\n"); | |
| // EPD_4in26_Display(BlackImage); | |
| EPD_4in26_Display_Base(BlackImage); | |
| DEV_Delay_ms(2000); | |
| #endif | |
| #if 1 | |
| printf("Partial refresh\r\n"); | |
| Paint_NewImage(BlackImage, 200, 50, 0, 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_Clear(WHITE); | |
| Paint_DrawTime(20, 10, &sPaint_time, &Font20, WHITE, BLACK); | |
| EPD_4in26_Display_Part(BlackImage, 80, 200, 200, 50); | |
| DEV_Delay_ms(500);//Analog clock 1s | |
| num = num - 1; | |
| if(num == 0) { | |
| break; | |
| } | |
| } | |
| #endif | |
| #if 1 // show image for array | |
| free(BlackImage); | |
| printf("show Gray------------------------\r\n"); | |
| Imagesize = ((EPD_4in26_WIDTH % 4 == 0)? (EPD_4in26_WIDTH / 4 ): (EPD_4in26_WIDTH / 4 + 1)) * EPD_4in26_HEIGHT; | |
| if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) { | |
| printf("Failed to apply for black memory...\r\n"); | |
| while(1); | |
| } | |
| EPD_4in26_Init_4GRAY(); | |
| printf("4 grayscale display\r\n"); | |
| Paint_NewImage(BlackImage, EPD_4in26_WIDTH, EPD_4in26_HEIGHT, 90, WHITE); | |
| Paint_SetScale(4); | |
| Paint_Clear(0xff); | |
| Paint_DrawPoint(10, 80, GRAY4, DOT_PIXEL_1X1, DOT_STYLE_DFT); | |
| Paint_DrawPoint(10, 90, GRAY4, DOT_PIXEL_2X2, DOT_STYLE_DFT); | |
| Paint_DrawPoint(10, 100, GRAY4, DOT_PIXEL_3X3, DOT_STYLE_DFT); | |
| Paint_DrawLine(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID); | |
| Paint_DrawLine(70, 70, 20, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID); | |
| Paint_DrawRectangle(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY); | |
| Paint_DrawRectangle(80, 70, 130, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_FULL); | |
| Paint_DrawCircle(45, 95, 20, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY); | |
| Paint_DrawCircle(105, 95, 20, GRAY2, DOT_PIXEL_1X1, DRAW_FILL_FULL); | |
| Paint_DrawLine(85, 95, 125, 95, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED); | |
| Paint_DrawLine(105, 75, 105, 115, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED); | |
| Paint_DrawString_EN(10, 0, "waveshare", &Font16, GRAY4, GRAY1); | |
| Paint_DrawString_EN(10, 20, "hello world", &Font12, GRAY3, GRAY1); | |
| Paint_DrawNum(10, 33, 123456789, &Font12, GRAY4, GRAY2); | |
| Paint_DrawNum(10, 50, 987654321, &Font16, GRAY1, GRAY4); | |
| Paint_DrawString_CN(150, 0,"你好abc", &Font12CN, GRAY4, GRAY1); | |
| Paint_DrawString_CN(150, 20,"你好abc", &Font12CN, GRAY3, GRAY2); | |
| Paint_DrawString_CN(150, 40,"你好abc", &Font12CN, GRAY2, GRAY3); | |
| Paint_DrawString_CN(150, 60,"你好abc", &Font12CN, GRAY1, GRAY4); | |
| Paint_DrawString_CN(10, 130, "微雪电子", &Font24CN, GRAY1, GRAY4); | |
| EPD_4in26_4GrayDisplay(BlackImage); | |
| DEV_Delay_ms(3000); | |
| #endif | |
| EPD_4in26_Init(); | |
| EPD_4in26_Clear(); | |
| printf("Goto Sleep...\r\n"); | |
| EPD_4in26_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"); | |
| } | |
| /* The main loop -------------------------------------------------------------*/ | |
| void loop() | |
| { | |
| // | |
| } |
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