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Dependencies: PixelArray WS2812 mbed
Revision 0:6b847e039b3b, committed 2014-08-06
- Comitter:
- chris
- Date:
- Wed Aug 06 09:34:24 2014 +0000
- Child:
- 1:bf4d674d3692
- Commit message:
- First commit and publish;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PixelArray.lib Wed Aug 06 09:34:24 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/chris/code/PixelArray/#41b9f8ec0b6a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WS2812.lib Wed Aug 06 09:34:24 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/chris/code/WS2812/#b230e85fc5e7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Aug 06 09:34:24 2014 +0000
@@ -0,0 +1,43 @@
+#include "mbed.h"
+#include "WS2812.h"
+#include "PixelArray.h"
+
+#define WS2812_BUF 60
+
+WS2812 ws(p5,WS2812_BUF);
+PixelArray px(WS2812_BUF);
+
+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};
+
+ while(1) {
+
+ // h is the starting point, incrementing makes the rendered buffer rotate
+ for (int h=0; h<60; h++) {
+
+ // for each of the colours (j) write out 10 of them
+ // the pixel get written at the rotation offset, plus 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((h+(i*10)+j)%60,colorbuf[i]);
+ }
+ }
+
+ // now all the colours are computed, add a fade effect
+ // compute and write the II value for each pixel
+ for (int j=0; j<60; j++) {
+ // px.SetI(pixel position, II value)
+ px.SetI( (h+j)%60, 0xf+(0xf*(j%10)));
+ }
+
+ ws.write(px.getBuf()); // write out the buffer
+ wait(0.05);
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Aug 06 09:34:24 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6213f644d804 \ No newline at end of file

