mbed_example / Mbed OS rtos_semaphore

semaphore example

main.cpp@7:755dee0042c3, 2018-02-02 (annotated)

Committer:
Jennifer Plunkett
Date:
Fri Feb 02 15:14:15 2018 -0600
Revision:
7:755dee0042c3
Parent:
5:574f47121e8e 
Fixed bug that made printf() unprotected

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 1:bdf73f017a77 1 #include "mbed.h"
emilmont 1:bdf73f017a77 2
Jennifer Plunkett 7:755dee0042c3 3 Semaphore one_slot(1);
mab5449 5:574f47121e8e 4 Thread t2;
mab5449 5:574f47121e8e 5 Thread t3;
Jennifer Plunkett 7:755dee0042c3 6
emilmont 1:bdf73f017a77 7 void test_thread(void const *name) {
emilmont 1:bdf73f017a77 8 while (true) {
Jennifer Plunkett 7:755dee0042c3 9 one_slot.wait();
emilmont 1:bdf73f017a77 10 printf("%s\n\r", (const char*)name);
mab5449 5:574f47121e8e 11 wait(1);
Jennifer Plunkett 7:755dee0042c3 12 one_slot.release();
emilmont 1:bdf73f017a77 13 }
emilmont 1:bdf73f017a77 14 }
emilmont 1:bdf73f017a77 15
emilmont 1:bdf73f017a77 16 int main (void) {
Bartek Szatkowski 4:ec4791bc6554 17 t2.start(callback(test_thread, (void *)"Th 2"));
Bartek Szatkowski 4:ec4791bc6554 18 t3.start(callback(test_thread, (void *)"Th 3"));
Bartek Szatkowski 4:ec4791bc6554 19
emilmont 1:bdf73f017a77 20 test_thread((void *)"Th 1");
emilmont 1:bdf73f017a77 21 }