Arnaud VALLEY / Mbed 2 deprecated Pinscape_Controller_V2_arnoz

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Dependencies:   mbed FastIO FastPWM USBDevice

Diff: TLC5940/TLC5940.h

Revision:
28:2097c6f8f2db
Parent:
26:cb71c4af2912
Child:
29:582472d0bc57
--- a/TLC5940/TLC5940.h	Wed Sep 23 05:08:26 2015 +0000
+++ b/TLC5940/TLC5940.h	Wed Sep 23 05:38:27 2015 +0000
@@ -116,10 +116,11 @@
           blank(BLANK),
           xlat(XLAT),
           nchips(nchips),
-          newGSData(false)
+          newGSData(true)
     {
         // allocate the grayscale buffer
         gs = new unsigned short[nchips*16];
+        memset(gs, 0, nchips*16*sizeof(gs[0]));
         
         // Configure SPI format and speed.  Note that KL25Z ONLY supports 8-bit
         // mode.  The TLC5940 nominally requires 12-bit data blocks for the
@@ -139,7 +140,7 @@
         gsclk.period(1.0/GSCLK_SPEED);
         gsclk.write(.5);
         blank = 0;
-
+        
         // Set up the first call to the reset function, which asserts BLANK to
         // end the PWM cycle and handles new grayscale data output and latching.
         // The original version of this library uses a timer to call reset