Manuel Caballero / PCA9685

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Diff: PCA9685.h

Revision:
2:fa75aff130cc
Parent:
1:6e7731f14aac
Child:
3:f69f4e2c35b6
--- a/PCA9685.h	Tue Nov 07 14:28:19 2017 +0000
+++ b/PCA9685.h	Tue Nov 07 14:52:15 2017 +0000
@@ -332,6 +332,24 @@
     } PCA9685_status_t;
 
 
+// MACRO: round function
+#define _MYROUND( x ) ({        \
+        uint32_t aux_pre;       \
+        float    aux_x;         \
+                                \
+        aux_x    =   (x);       \
+        aux_pre  =   (x);       \
+        aux_x   -=   aux_pre;   \
+        aux_x   *=   10;        \
+                                \
+        if ( aux_x >= 5 )       \
+            aux_pre++;          \
+                                \
+        aux_pre;                \
+        })
+
+
+
 
 
     /** Create an PCA9685 object connected to the specified I2C pins.