[tckma]

Originally Posted by dhoizner

If I have code that says (example only)

Will the printf's change when i flip either of the switches? Basically, my question is if code between #ifdef/#endif is loaded onto the robot, and whether or not variables can be defined on the fly, based on switch input.

Thank you in advance,

That won't work. #define is a preprocessor directive, i.e. it won't work during run-time. A better thing to do would be to just do this directly:

if(rc_dig_in01==1)
{
printf("Hello, world.\r");
}
else if (rc_dig_in02==1)
{
printf("FIRST Robotics\r");
}