Alberto Piganti
/
blip_sketch
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Fork of
blip_dado
by 
Alberto Piganti
Diff: main.cpp
- Revision:
- 0:60499ad28ea9
- Child:
- 1:ca76237d2965
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Jul 25 15:22:59 2014 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+#include "neopixel-spi.h"
+
+// A backing store for the pixel data.
+static size_t const count = 16;
+neopixel::Pixel pixels[count];
+
+// The pixel array control class.
+neopixel::Array array(p30);
+
+uint8_t IntensityForIndex(size_t index) {
+ uint32_t c = index % 512;
+ return (c >= 256) ? (256 - c) : c;
+}
+
+int main() {
+ size_t offset = 0;
+ while (1) {
+ for (size_t i = 0; i < count; i++) {
+ pixels[i].red = IntensityForIndex((i * 10) + offset);
+ pixels[i].green = IntensityForIndex((i * 20) + offset);
+ pixels[i].blue = IntensityForIndex((i * 40) + offset);
+ }
+ array.Update(pixels, count);
+ wait_ms(10);
+ offset++;
+ }
+}