Task 3.4.1 Solution
Dependencies: mbed
main.cpp
- Committer:
- noutram
- Date:
- 2015-09-24
- Revision:
- 0:9de80b65dfc5
File content as of revision 0:9de80b65dfc5:
#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 = 0; //Set initial value binaryOutput = u; //Show binary on LED's waitForButtonPress(); //Call function //Here is the first - use | to set bit 1 u = u | 2; //OR with binary 010 binaryOutput = u; waitForButtonPress(); //Modify u with the | to set bit 2 to a 1 u = u | 4; binaryOutput = u; waitForButtonPress(); //Modify u with the | to set bit 0 to a 1 u = u | 1; binaryOutput = u; waitForButtonPress(); } //end while(1) } //end main void waitForButtonPress() { while (SW1 == 0); wait(0.25); while (SW1 == 1); }