Case study Embedded System Design
finished
Fork of
rtos_semaphore
by 
mbed official
main.cpp@4:388272bc6baf, 2015-05-08 (annotated)
- Committer:
- cathal66
- Date:
- Fri May 08 10:24:54 2015 +0000
- Revision:
- 4:388272bc6baf
- Parent:
- 1:bdf73f017a77
finished
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| emilmont | 1:bdf73f017a77 | 1 | #include "mbed.h" |
| emilmont | 1:bdf73f017a77 | 2 | #include "rtos.h" |
| emilmont | 1:bdf73f017a77 | 3 | |
| cathal66 | 4:388272bc6baf | 4 | Semaphore two_slots(2); //Setup the use of two semaphores |
| emilmont | 1:bdf73f017a77 | 5 | |
| cathal66 | 4:388272bc6baf | 6 | void test_thread(void const *name) { //setup thread function |
| emilmont | 1:bdf73f017a77 | 7 | while (true) { |
| cathal66 | 4:388272bc6baf | 8 | two_slots.wait(); //Wait to get a semaphore to use the |
| cathal66 | 4:388272bc6baf | 9 | printf("%s\n\r", (const char*)name); //when have semaphore printf on serial of thread number |
| cathal66 | 4:388272bc6baf | 10 | Thread::wait(1000); //thread wait |
| cathal66 | 4:388272bc6baf | 11 | two_slots.release(); //Release semaphore back to RTOS |
| emilmont | 1:bdf73f017a77 | 12 | } |
| emilmont | 1:bdf73f017a77 | 13 | } |
| emilmont | 1:bdf73f017a77 | 14 | |
| emilmont | 1:bdf73f017a77 | 15 | int main (void) { |
| cathal66 | 4:388272bc6baf | 16 | Thread t2(test_thread, (void *)"Th 2"); //start thread |
| cathal66 | 4:388272bc6baf | 17 | Thread t3(test_thread, (void *)"Th 3"); //start thread |
| emilmont | 1:bdf73f017a77 | 18 | |
| cathal66 | 4:388272bc6baf | 19 | test_thread((void *)"Th 1"); //function call in main thread |
| emilmont | 1:bdf73f017a77 | 20 | } |