Testprogramm lauflicht

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
haunsi
Date:
Mon Jan 13 17:44:48 2020 +0000
Parent:
3:e46730634660
Commit message:
funktion modifyBit

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
diff -r e46730634660 -r a0cc5eebc75e main.cpp
--- a/main.cpp	Mon Jan 13 17:38:50 2020 +0000
+++ b/main.cpp	Mon Jan 13 17:44:48 2020 +0000
@@ -4,6 +4,7 @@
 void nibbleLeds(int value);
 void printb(uint8_t x);
 int lauflicht(bool richtung, int time, int &anz);
+int modifyBit(int x, unsigned char position, bool State);
 
 BusOut myleds(LED1, LED2, LED3, LED4);
 DigitalIn button(BUTTON1);
@@ -19,9 +20,19 @@
     
     nibbleLeds(value);
     printb(value);
+    value = modifyBit(value, 2, 1);
+    printb(myleds);
+    printb(modifyBit(INIT, 3, 1));
     wait(0.1);
 }
 
+int modifyBit(int x, uint8_t position, bool State)
+{
+    int mask = 1 << position;
+    int state = int(State);
+    return (x & ~mask) | ((State << position) & mask);
+}
+
 int lauflicht(bool richtung, int time, int &anz)
 {
     int i;