Increased minimum block period to support Teensy 3.1 at 48MHz

pixelmatix · Apr 24, 2014 · d079bd4 · d079bd4
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commit d079bd4
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/MatrixHardware_KitV1_16x32.h b/MatrixHardware_KitV1_16x32.h
@@ -44,7 +44,8 @@
 #define LATCH_TIMER_PULSE_WIDTH_NS  438
 // set this by triggering scope on latch rising edge, and with persistence enabled,
 // look for the last clock pulse after the latch.  set the min block period to be beyond this last pulse
-#define MIN_BLOCK_PERIOD_NS     5000
+// default (10us) is a generous minimum that should work with all Teensy 3.x devices at 48MHz and above
+#define MIN_BLOCK_PERIOD_NS     10000
 
 // this section describes how the microcontroller is attached to the display
 

diff --git a/MatrixHardware_KitV1_32x32.h b/MatrixHardware_KitV1_32x32.h
@@ -44,7 +44,8 @@
 #define LATCH_TIMER_PULSE_WIDTH_NS  438
 // set this by triggering scope on latch rising edge, and with persistence enabled,
 // look for the last clock pulse after the latch.  set the min block period to be beyond this last pulse
-#define MIN_BLOCK_PERIOD_NS     5000
+// default (10us) is a generous minimum that should work with all Teensy 3.x devices at 48MHz and above
+#define MIN_BLOCK_PERIOD_NS     10000
 
 // this section describes how the microcontroller is attached to the display