first commit

e-Paper/Arduino/epd2in9bc/epd2in9bc.ino

@@ -0,0 +1,73 @@
+#include <SPI.h>
+#include "epd2in9b.h"
+#include "imagedata.h"
+#include "epdpaint.h"
+
+#define COLORED     0
+#define UNCOLORED   1
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+  Epd epd;
+
+  if (epd.Init() != 0) {
+    Serial.print("e-Paper init failed");
+    return;
+  }
+
+  /* This clears the SRAM of the e-paper display */
+  epd.ClearFrame();
+
+  /**
+    * Due to RAM not enough in Arduino UNO, a frame buffer is not allowed.
+    * In this case, a smaller image buffer is allocated and you have to 
+    * update a partial display several times.
+    * 1 byte = 8 pixels, therefore you have to set 8*N pixels at a time.
+    */
+  unsigned char image[1024];
+  Paint paint(image, 128, 18);    //width should be the multiple of 8 
+
+  paint.Clear(UNCOLORED);
+  paint.DrawStringAt(0, 0, "e-Paper Demo", &Font12, COLORED);
+  epd.SetPartialWindowBlack(paint.GetImage(), 24, 32, paint.GetWidth(), paint.GetHeight());
+
+  paint.Clear(COLORED);
+  paint.DrawStringAt(2, 2, "Hello world", &Font16, UNCOLORED);
+  epd.SetPartialWindowRed(paint.GetImage(), 0, 64, paint.GetWidth(), paint.GetHeight());
+  
+  paint.SetWidth(64);
+  paint.SetHeight(64);
+
+  paint.Clear(UNCOLORED);
+  paint.DrawRectangle(0, 0, 40, 50, COLORED);
+  paint.DrawLine(0, 0, 40, 50, COLORED);
+  paint.DrawLine(40, 0, 0, 50, COLORED);
+  epd.SetPartialWindowBlack(paint.GetImage(), 8, 120, paint.GetWidth(), paint.GetHeight());
+  
+  paint.Clear(UNCOLORED);
+  paint.DrawCircle(32, 32, 30, COLORED);
+  epd.SetPartialWindowBlack(paint.GetImage(), 64, 120, paint.GetWidth(), paint.GetHeight());
+
+  paint.Clear(UNCOLORED);
+  paint.DrawFilledRectangle(0, 0, 40, 50, COLORED);
+  epd.SetPartialWindowRed(paint.GetImage(), 8, 200, paint.GetWidth(), paint.GetHeight());
+
+  paint.Clear(UNCOLORED);
+  paint.DrawFilledCircle(32, 32, 30, COLORED);
+  epd.SetPartialWindowRed(paint.GetImage(), 64, 200, paint.GetWidth(), paint.GetHeight());
+
+  /* This displays the data from the SRAM in e-Paper module */
+  epd.DisplayFrame();
+
+  /* This displays an image */
+  epd.DisplayFrame(IMAGE_BLACK, IMAGE_RED);
+
+  /* Deep sleep */
+  epd.Sleep();
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+
+}