Erik Tryggvason
/
WS2812_Cycler
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Dependencies: PixelArray WS2812 mbed
Revision 0:d258c72c1ae2, committed 2017-03-11
- Comitter:
- theros
- Date:
- Sat Mar 11 22:07:13 2017 +0000
- Commit message:
- First version.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PixelArray.lib Sat Mar 11 22:07:13 2017 +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 Sat Mar 11 22:07:13 2017 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/bridadan/code/WS2812/#6e647820f587
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Mar 11 22:07:13 2017 +0000
@@ -0,0 +1,52 @@
+#include "mbed.h"
+#include "WS2812.h"
+#include "PixelArray.h"
+
+#define WS2812_BUF 77 //number of LEDs in the array
+#define NUM_COLORS 6 //number of colors to store in the array
+
+DigitalIn usrBtn(USER_BUTTON);
+DigitalOut usrLed(LED1);
+PixelArray px(WS2812_BUF);
+
+// See the program page for information on the timing numbers
+WS2812 ws(D9, WS2812_BUF, 6,17,9,14); //nucleo-f411re
+
+int main()
+{
+ int btnState = 0;
+
+ ws.useII(WS2812::PER_PIXEL); // use per-pixel intensity scaling
+
+ // set up the colours we want to draw with
+ int colorbuf[NUM_COLORS] = {0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f};
+
+ // Now the buffer is written, write it to the led array.
+ while (1)
+ {
+ if (usrBtn == 0) //button is pressed
+ {
+ usrLed = 1;
+ btnState = btnState++;
+
+ if (btnState == NUM_COLORS) {
+ btnState = 0;
+ }
+ }
+ else
+ {
+ usrLed = 0;
+ }
+
+ //write the color value for each pixel
+ px.SetAll(colorbuf[btnState]);
+
+ //write the II value for each pixel
+ px.SetAllI(64);
+
+ for (int i = WS2812_BUF; i >= 0; i--)
+ {
+ ws.write(px.getBuf());
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Mar 11 22:07:13 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e1686b8d5b90 \ No newline at end of file