Diff: main.cpp

Revision:

4:f3985b5c3549

Parent:

3:aaaaf9f23f46

--- a/main.cpp	Mon Jan 13 17:48:03 2020 +0000
+++ b/main.cpp	Mon Jan 13 17:51:16 2020 +0000
@@ -3,7 +3,7 @@
 //#define BUTTON1 A1
 
 int lauflicht(bool richtung,int time, int &anz);
-//int modifyBit(int x, unsigned char position, bool State);
+int modifyBit(int x, unsigned char position, bool State);
 void nibbleLeds(int value);
 void printb(uint8_t x);
 
@@ -21,8 +21,12 @@
     printf("anzahl=%d\n",anzahl);
 
 nibbleLeds(value);
+printb(value);
+value= modifyBit (value,2,1);
+printb(myleds);
+printb(modifyBit (INIT,3,1));
 wait(0.1);
-printb(value);
+
 
 }
 //**************************************************************
@@ -64,4 +68,12 @@
     
    return anz; 
     
+    }
+    int modifyBit(int x, unsigned char position, bool State) {
+    
+    int mask=1<< position;
+    int state = int(State);
+    return(x & ~mask) | ((state<<position)& mask);
+    
+    
     }
\ No newline at end of file