see: http://mbed.org/users/okini3939/notebook/led_strip/

Dependencies:   mbed

Revision:
0:d067ddfe3df9
diff -r 000000000000 -r d067ddfe3df9 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jul 08 01:34:51 2013 +0000
@@ -0,0 +1,44 @@
+/*
+ * WS2812 tape led IC
+ */
+#include "mbed.h"
+#include "LEDStrip.h"
+
+Serial pc(USBTX, USBRX);
+DigitalOut led1(LED1), led2(LED2), led3(LED3), led4(LED4);
+
+extern "C"
+void HardFault_Handler() {
+    printf("Hard Fault!\r\n");
+    exit(-1);
+}
+
+int main() {
+    int i, j, k = 0;
+
+    pc.baud(115200);
+    tapeInit(0, 16);
+    led1 = 1;
+
+    pc.printf("led\r\n");
+
+    for (;;) {
+        for (i = 0; i < 256; i ++) {
+            led2 = 1;
+            tapeSet(0, (i << 16));
+            tapeSet(2, (i << 8));
+            tapeSet(4, i);
+            tapeSet(6, (i << 8)|i);
+            tapeSet(7, (i << 16)|i);
+            tapeSet(8, (i << 16)|(i << 8));
+            tapeSet(9, (i << 16)|(i << 8)|i);
+            tapeSend();
+            led2 = 0;
+            wait_ms(20);
+        }
+        for (i = 0; i < 160; i ++) {
+            tapeSet(i, 0);
+        }
+        tapeSend();
+    }
+}