Added example

examples/epd4in2b_V2-demo/epd4in2b_V2-demo.ino

@@ -0,0 +1,46 @@
+#include "DEV_Config.h"
+#include "EPD.h"
+#include "GUI_Paint.h"
+#include "imagedata.h"
+#include <stdlib.h>
+
+void setup() {
+  DEV_Module_Init();
+
+  printf("e-Paper Init and Clear...\r\n");
+  EPD_4IN2B_V2_Init();
+  EPD_4IN2B_V2_Clear();
+
+  //Create a new image cache named IMAGE_BW and fill it with white
+  UBYTE *BlackImage, *RYImage; // Red or Yellow
+  UWORD Imagesize = ((EPD_4IN2B_V2_WIDTH % 8 == 0) ? (EPD_4IN2B_V2_WIDTH / 8 ) : (EPD_4IN2B_V2_WIDTH / 8 + 1)) * EPD_4IN2B_V2_HEIGHT;
+  if ((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
+    printf("Failed to apply for black memory...\r\n");
+    while(1);
+  }
+  if ((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
+    printf("Failed to apply for red memory...\r\n");
+    while(1);
+  }
+  printf("NewImage:BlackImage and RYImage\r\n");
+  Paint_NewImage(BlackImage, EPD_4IN2B_V2_WIDTH, EPD_4IN2B_V2_HEIGHT, 180, WHITE);
+  Paint_NewImage(RYImage, EPD_4IN2B_V2_WIDTH, EPD_4IN2B_V2_HEIGHT, 180, WHITE);
+
+  //Select Image
+  Paint_SelectImage(BlackImage);
+  Paint_Clear(WHITE);
+  Paint_SelectImage(RYImage);
+  Paint_Clear(WHITE);
+
+  printf("show image for array\r\n");
+  EPD_4IN2B_V2_Display(gImage_4in2bc_b, gImage_4in2bc_ry);
+
+  printf("Goto Sleep...\r\n");
+  EPD_4IN2B_V2_Sleep();
+  free(BlackImage);
+  free(RYImage);
+  BlackImage = NULL;
+  RYImage = NULL;
+}
+
+void loop() {}