Diff: main.cpp

Revision:

0:e1853421807f

diff -r 000000000000 -r e1853421807f main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jan 11 05:12:37 2012 +0000
@@ -0,0 +1,61 @@
+ // mbos Blinky demonstration.
+ // Task 1 toggles LED1 every second, under control of a timer. It then posts an event to
+ // task 2 which flashed LED2 briefly.
+ #include "mbed.h"                    
+ #include "mbos.h"
+
+ #define TASK1_ID                1       // Id for task 1 (idle task is 0)
+ #define TASK1_PRIO              95      // priority for task 1
+ #define TASK1_STACK_SZ          64      // stack size for task 1 in words 
+ #define TASK2_ID                2       // Id for task 2 
+ #define TASK2_PRIO              65      // priority for task 2
+ #define TASK2_STACK_SZ          64      // stack size for task 2 in words 
+ #define TIMER0_ID               0       // Id for timer 0
+ #define TIMER0_PERIOD           1000    // Time period in milliseconds
+ #define TIMER0_EVENT            1       // Event flag (1 << 0)
+ #define T1_TO_T2_EVENT          2       // Event flag (1 << 1)
+
+LocalFileSystem local("local"); 
+ FILE *fp ;
+ void task1(void);                       // task function prototypes
+ void task2(void);
+
+ DigitalOut led1(LED1);
+ DigitalOut led2(LED2);
+ mbos os(2, 1);                          // Instantiate mbos with 2 tasks & 1 timer    
+  int i=0;
+ int main(void)
+ {
+    FILE *fp = fopen("/local/out.txt", "w");
+     // Configure tasks and timers
+     os.CreateTask(TASK1_ID, TASK1_PRIO, TASK1_STACK_SZ, task1);
+     os.CreateTask(TASK2_ID, TASK2_PRIO, TASK2_STACK_SZ, task2);
+     os.CreateTimer(TIMER0_ID, TIMER0_EVENT, TASK1_ID);
+     // Start mbos
+     os.Start();
+     // never  return!
+ }
+
+ void task1(void)
+ {
+     os.SetTimer(TIMER0_ID, TIMER0_PERIOD, TIMER0_PERIOD);
+     while(i<15){
+         os.WaitEvent(TIMER0_EVENT);
+         led1 = !led1;
+         i++;
+        
+     }
+ }
+
+ void task2(void)
+ {
+     while(i<15){
+       
+         led2 = !led2;
+         fprintf(fp, "Hello World!");
+          
+         wait_ms(100);
+        
+     }
+     fclose(fp);
+ }