add USEABLE_HARDWARE_PWM & clear up some compiler warnings

2018-01-24 21:40:48 -06:00
parent 70e4f12d2f
commit ab709ccac1
3 changed files with 16 additions and 12 deletions
--- a/Marlin/src/HAL/HAL_DUE/fastio_Due.h
+++ b/Marlin/src/HAL/HAL_DUE/fastio_Due.h
@@ -43,6 +43,10 @@
 * Utility functions
 */

+// Due has 12 PWMs assigned to logical pins 2-13.
+// 6, 7, 8 & 9 come from the PWM controller. The others come from the timers.
+#define USEABLE_HARDWARE_PWM(p) ((2 >= p) && (p <= 13))
+
 #ifndef MASK
  #define MASK(PIN)  (1 << PIN)
 #endif