Revision 23:5368af3ff07d, committed 2016-09-08

Comitter:

DavidEGrayson

Date:

Thu Sep 08 23:14:02 2016 +0000

Parent:

21:87fd6273e0ff

Child:

24:881d93b8749a

Commit message:

Updated the mbed library and fixed an incorrect assembly instruction.

Changed in this revision

--- a/PololuLedStrip.cpp	Tue Nov 26 23:05:08 2013 +0000
+++ b/PololuLedStrip.cpp	Thu Sep 08 23:14:02 2016 +0000
@@ -17,7 +17,7 @@
     }
     else
     {
-        // Try to generally compute what the delays should be for a ide range of clock frequencies.
+        // Try to generally compute what the delays should be for a wide range of clock frequencies.
         
         // The fudge factors below were experimentally chosen so that we would have
         // ~100/840 ns pulses and a ~1430 ns period on the mbed NXP LPC1768 (96 MHz Cortex-M3).
@@ -30,15 +30,13 @@
     }
  
     // Convert from units of cycles to units of half-cycles; it makes the assembly faster.   
-    for(int i = 0; i < 2; i++)
-    {
-        led_strip_write_delays[i] <<= 1;
-    }
+    led_strip_write_delays[0] <<= 1;
+    led_strip_write_delays[1] <<= 1;
 }
 
 PololuLedStrip::PololuLedStrip(PinName pinName)
 {
-    gpio_init(&gpio, pinName, PIN_OUTPUT);
+    gpio_init_out(&gpio, pinName);
 }
 
 void PololuLedStrip::write(rgb_color * colors, unsigned int count)

--- a/led_strip_write_color.s	Tue Nov 26 23:05:08 2013 +0000
+++ b/led_strip_write_color.s	Thu Sep 08 23:14:02 2016 +0000
@@ -65,7 +65,6 @@
 
     delay #0
 
-    tst r6, r8
     ldr r4, =0x80000000
     tst r6, r4
     beq delay1