eboled: Sparkfun OLED Block Improvements

Signed-off-by: Tyler Gibson <tgibson@microsoft.com> Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
eclipse · Sep 21, 2015 · 14a3924 · 14a3924
1 parent 7935ef1
commit 14a3924
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diff --git a/examples/javascript/eboled.js b/examples/javascript/eboled.js
@@ -5,6 +5,9 @@
  * Author: Jon Trulson <jtrulson@ics.com>
  * Copyright (c) 2015 Intel Corporation.
  *
+ * Author: Tyler Gibson <tgibson@microsoft.com>
+ * Copyright (c) 2015 Microsoft Corporation.
+ *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
@@ -25,27 +28,123 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-function exit()
-{
-    lcd = null;
-    lcdObj.cleanUp();
-    lcdObj = null;
-    process.exit(0);
-}
-
-// Load i2clcd module
 var lcdObj = require('jsupm_i2clcd');
+var oled = new lcdObj.EBOLED();
 
-var lcd = new lcdObj.EBOLED();
+var sample = 0;
-
+var samples = 13;
-lcd.clear();
-lcd.setCursor(2, 0);
-lcd.write("Hello");
-lcd.setCursor(3, 5);
-lcd.write("World!");
-
-console.log("Sleeping for 5 seconds...");
-setTimeout(exit, 5000);
 
+function exit()
+{
+  oled = null;
+  lcdObj.cleanUp();
+  lcdObj = null;
+  process.exit(0);
+}
 
+setInterval( function()
+{
+  if(sample>samples)
+  {
+    exit();
+  }
+  oled.clearScreenBuffer();
+  runSample(sample++);
+  oled.refresh();
+}, 1500);
 
+function runSample(sample)
+{
+  switch(sample) {
+    case 0:
+      // x/y coords are 0 based, using 1 here for padding.
+      oled.setCursor(1,1);
+      // nowrap = 0, wrapping = 1
+      oled.setTextWrap(1);
+      oled.write("HELLO WORLD! Mixed with #123 and y's, g's and q's.");
+      break;
+    case 1:
+      oled.setCursor(12, 1);
+      //multiply text size, only integers
+      oled.setTextSize(3);
+      oled.write("BOO!");
+      oled.setTextSize(1);
+      break;
+    case 2:
+      oled.drawRectangleFilled(0,0,48,9);
+      oled.setCursor(1,1);
+      // 0=Black, 1=White, 2=Xor (Toggle)
+      oled.setTextColor(2);
+      oled.write("Cutout");
+      break;
+    case 3:
+      var total = Math.random()*100;
+      for(var stars=0; stars<total; stars++ )
+        oled.drawPixel(Math.floor(Math.random()*63), Math.floor(Math.random()*47), 1);
+      break;
+    case 4:
+      for(var burst=0; burst<12; burst++)
+        oled.drawLine(31, 24, Math.floor(Math.random()*63), Math.floor(Math.random()*47), 1);
+      break;
+    case 5:
+      var lastPeak = 24;
+      for(var peak=0; peak < 64; peak++)
+      {
+        var thisPeak = Math.abs(lastPeak + Math.floor(Math.random()*(-6) + Math.random()*6));
+        oled.drawLine(peak, thisPeak, peak, 47, 1);
+        lastPeak = thisPeak;
+      }
+      break;
+    case 6:
+      for(var y=0; y<47; y++)
+      {
+        oled.drawLineHorizontal(0,y+1,63,2);
+        oled.refresh();
+        oled.drawLineHorizontal(0,y,63,2);
+      }
+      break;
+    case 7:
+      var eqbarHeights = [ Math.floor(Math.random()*32),
+                           Math.floor(Math.random()*32),
+                           Math.floor(Math.random()*32),
+                           Math.floor(Math.random()*32),
+                           Math.floor(Math.random()*32),
+                           Math.floor(Math.random()*32),
+                           Math.floor(Math.random()*32) ];
+      var begin = Date.now();
+      while(Date.now()-begin < 2000)
+      {
+        oled.clearScreenBuffer();
+        for(var eqbar=0; eqbar<7; eqbar++)
+        {
+          oled.drawRectangleFilled(eqbar*9, 49 - eqbarHeights[eqbar], 8, eqbarHeights[eqbar], 1);
+          eqbarHeights[eqbar] = eqbarHeights[eqbar] + Math.random()*(-2) + Math.random()*2;
+          if(eqbarHeights[eqbar]<0)
+            eqbarHeights[eqbar] = 1;
+        }
+        oled.refresh();
+      }
+      oled.clear();
+      break;
+    case 8:
+      oled.drawRoundedRectangle(8, 8, 48, 16, 4, 1);
+      oled.setCursor(12, 16);
+      oled.write("Cancel");
+      break;
+    case 9:
+      oled.drawTriangle(2, 2, 52, 7, 17, 37, 1);
+      break;
+    case 10:
+      oled.drawTriangleFilled(2, 2, 52, 7, 17, 37, 1);
+      break;
+    case 11:
+      oled.drawCircle(32, 24, 14, 1);
+      break;
+    case 12:
+      oled.drawCircleFilled(32, 24, 14, 1);
+      break;
+    case 13:
+      oled.fillScreen(1);
+      break;
+  }
+}