Task 4.3.2 Solution
Dependencies: mbed
main.cpp
- Committer:
- noutram
- Date:
- 2015-09-24
- Revision:
- 0:cdb59b84bd58
File content as of revision 0:cdb59b84bd58:
#include "mbed.h" //Global objects BusOut binaryOutput(D5, D6, D7); DigitalIn SW1(D4); //Function prototypes void waitForButtonPress(); //Main function int main() { //Create a variable to hold the bit pattern unsigned int u; //Flash LED's to indicate the code is running binaryOutput = 7; wait(0.5); binaryOutput = 0; while(1) { u = 7; //Set initial value 111 binaryOutput = u; //Show binary on LED's waitForButtonPress(); //Call function //Use & to reset bit 1 u = u & 5; //AND with binary 101 binaryOutput = u; waitForButtonPress(); //Modify u with & to reset bit 2 to a 0 u = u & 3; //AND with 011 binaryOutput = u; waitForButtonPress(); //Modify u with & to reset bit 0 to a 0 u = u & 6; //AND with 110 binaryOutput = u; waitForButtonPress(); } //end while(1) } //end main void waitForButtonPress() { while (SW1 == 0); wait(0.25); while (SW1 == 1); }