David Grayson / Mbed 2 deprecated LedStripGradient

This is an example program for the PololuLedStrip library. It generates a simple moving gradient pattern.

Dependencies:   PololuLedStrip mbed LedStripGradient

Dependents:   LedStripGradient led_phare_crf

For more information, see the PololuLedStrip library.

Files at this revision

API Documentation at this revision

Revision 9:b1c530cad69b, committed 2013-02-26

Comitter:
DavidEGrayson
Date:
Tue Feb 26 23:23:02 2013 +0000
Parent:
8:a179aad4fa2e
Child:
10:557ad654e667
Commit message:
Achieved nice control of an LED strip!

Changed in this revision

led_strip.s 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 
--- a/led_strip.s	Tue Feb 26 03:12:26 2013 +0000
+++ b/led_strip.s	Tue Feb 26 23:23:02 2013 +0000
@@ -83,7 +83,6 @@
     nop
     nop
     nop
-    nop
     
     it cc
     strcc r3, [r2]       ; Drive the line low.
@@ -149,6 +148,10 @@
     nop
     nop
     nop
+    nop
+    nop
+    nop
+
 
     it cs
     strcs r3, [r2]       ; Drive the line low.
@@ -202,6 +205,74 @@
     nop
     nop
     nop
+    nop
+    nop
+    nop
+    nop
+    nop
+
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop   
+
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop
+    nop   
     
     sub r7, r7, #1               ; Decrement the loop counter.
     cbz r7, led_strip_asm_end    ; If we have sent 24 bits, go to the end.

--- a/main.cpp	Tue Feb 26 03:12:26 2013 +0000
+++ b/main.cpp	Tue Feb 26 23:23:02 2013 +0000
@@ -60,6 +60,7 @@
 DigitalOut led2(LED2);
 
 Timer timer;
+AnalogOut signal(p18);
 
 int main()
 {
@@ -68,6 +69,8 @@
     while(1)
     {
         uint8_t time = timer.read_ms() >> 2;
+        signal.write_u16(time << 8);
+        
         for(uint8_t i = 0; i < LED_COUNT; i++)
         {
             uint8_t x = time - 8*i;