by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
robt
Date:
Fri May 24 21:47:49 2013 +0000
Commit message:
by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 063d9f9ab154 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri May 24 21:47:49 2013 +0000
@@ -0,0 +1,33 @@
+/*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;
+}
+
diff -r 000000000000 -r 063d9f9ab154 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri May 24 21:47:49 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/b3110cd2dd17
\ No newline at end of file