![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
Example of an "extern" declaration to reuse a global variable defined in one file in another file.
Dependencies: mbed
myWait.cpp
- Committer:
- bjo3rn
- Date:
- 2015-09-23
- Revision:
- 0:bc708d703171
File content as of revision 0:bc708d703171:
#include "mbed.h" #include "myWait.h" // extern declares that the global variable greenLed is defined in a different source file extern DigitalOut greenLed; // definition of our custom wait function void myWait(float t) { greenLed=0; //turn on wait(t); //wait greenLed=1; //turn off }