Hexiwear / Mbed OS Hexi_Click_4x4RGB_Example

Simple Click 4x4 RGB example for Hexiwear

Dependencies:   PixelArray WS2812

Fork of WS2812_Example by Brian Daniels

Files at this revision

API Documentation at this revision

Revision 0:12cb6f0c2788, committed 2015-02-12

Comitter:
bridadan
Date:
Thu Feb 12 19:20:00 2015 +0000
Child:
1:e04a0ecefa29
Commit message:
Example for WS2812 Library

Changed in this revision

PixelArray.lib Show annotated file Show diff for this revision Revisions of this file
WS2812.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PixelArray.lib	Thu Feb 12 19:20:00 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/chris/code/PixelArray/#b45a70faaa83

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WS2812.lib	Thu Feb 12 19:20:00 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/bridadan/code/WS2812/#0b79cafcb387

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Feb 12 19:20:00 2015 +0000
@@ -0,0 +1,46 @@
+#include "mbed.h"
+#include "WS2812.h"
+#include "PixelArray.h"
+
+#define WS2812_BUF 60
+
+WS2812 ws(D9,WS2812_BUF);
+PixelArray px(WS2812_BUF);
+
+DigitalOut led(LED1);
+
+int main()
+{
+
+    ws.useII(2); // use per-pixel intensity scaling
+    
+    // set up the colours we want to draw with
+    int colorbuf[6] = {0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f};
+
+    // for each of the colours (j) write out 10 of them
+    // the pixels are written at the colour*10, plus the colour position
+    // all modulus 60 so it wraps around
+    for (int i =0; i<6; i++) {
+        for (int j=0; j<10; j++) {
+            px.Set(((i*10)+j)%60,colorbuf[i]);
+        }
+    }
+
+    // now all the colours are computed, add a fade effect using intensity scaling
+    // compute and write the II value for each pixel
+    for (int j=0; j<60; j++) {
+        // px.SetI(pixel position, II value)
+        px.SetI(j%60, 0xf+(0xf*(j%10)));
+    }
+
+
+    // Now the buffer is written, rotate it
+    // by writing it out with an increasing offset
+    while (1) {
+        for (int z=59; z >= 0 ; z--) {
+            ws.write_offsets(px.getBuf(),z,z,z);
+            wait(0.075);
+        }
+    }
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Feb 12 19:20:00 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/e188a91d3eaa
\ No newline at end of file