by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"
main.cpp
- Committer:
- robt
- Date:
- 2013-05-24
- Revision:
- 0:063d9f9ab154
File content as of revision 0:063d9f9ab154:
/*Program Example 9.4: Program which runs two time-based tasks */ #include "mbed.h" Timer timer_fast; // define Timer with name "timer_fast" Timer timer_slow; // define Timer with name "timer_slow" DigitalOut ledA(LED1); DigitalOut ledB(LED4); void task_fast(void); //function prototypes void task_slow(void); int main() { timer_fast.start(); //start the Timers timer_slow.start(); while (1){ if (timer_fast.read()>0.2){ //test Timer value task_fast(); //call the task if trigger time is reached timer_fast.reset(); //and reset the Timer } if (timer_slow.read()>1){ //test Timer value task_slow(); timer_slow.reset(); } } } void task_fast(void){ //”Fast” Task ledA = !ledA; } void task_slow(void){ //”Slow” Task ledB = !ledB; }