William Marsh / Mbed OS thread-example2

Thread example using mbed 5.7

main.cpp@1:bbbe0fae16f3, 2019-01-09 (annotated)

Committer:
WilliamMarshQMUL
Date:
Wed Jan 09 22:58:08 2019 +0000
Revision:
1:bbbe0fae16f3
Parent:
0:83abbbeb9a3d
Child:
2:b13b343de0f5
Wait API change

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WilliamMarshQMUL 0:83abbbeb9a3d 1 // Simple Example fo use of Threads on mbed OS 5
WilliamMarshQMUL 0:83abbbeb9a3d 2 // Only need to include mbed.h
WilliamMarshQMUL 0:83abbbeb9a3d 3
WilliamMarshQMUL 0:83abbbeb9a3d 4 #include "mbed.h"
WilliamMarshQMUL 0:83abbbeb9a3d 5
WilliamMarshQMUL 0:83abbbeb9a3d 6 // Variable for a second thread
WilliamMarshQMUL 0:83abbbeb9a3d 7 Thread thread;
WilliamMarshQMUL 0:83abbbeb9a3d 8
WilliamMarshQMUL 0:83abbbeb9a3d 9 DigitalOut ledA(LED1); // Red LED
WilliamMarshQMUL 0:83abbbeb9a3d 10 DigitalOut ledB(LED2); // Green LED
WilliamMarshQMUL 0:83abbbeb9a3d 11
WilliamMarshQMUL 0:83abbbeb9a3d 12 // This method is run in the second thread
WilliamMarshQMUL 0:83abbbeb9a3d 13 void ledB_thread() {
WilliamMarshQMUL 0:83abbbeb9a3d 14 while (true) {
WilliamMarshQMUL 1:bbbe0fae16f3 15 wait(0.25);
WilliamMarshQMUL 0:83abbbeb9a3d 16 ledB = !ledB;
WilliamMarshQMUL 0:83abbbeb9a3d 17 }
WilliamMarshQMUL 0:83abbbeb9a3d 18 }
WilliamMarshQMUL 0:83abbbeb9a3d 19
WilliamMarshQMUL 0:83abbbeb9a3d 20 // This is the main thread
WilliamMarshQMUL 0:83abbbeb9a3d 21 int main (void) {
WilliamMarshQMUL 0:83abbbeb9a3d 22 ledA = 1 ; // off
WilliamMarshQMUL 0:83abbbeb9a3d 23 ledB = 1 ; // off
WilliamMarshQMUL 0:83abbbeb9a3d 24
WilliamMarshQMUL 0:83abbbeb9a3d 25 // start the second thread
WilliamMarshQMUL 0:83abbbeb9a3d 26 thread.start(callback(ledB_thread));
WilliamMarshQMUL 0:83abbbeb9a3d 27
WilliamMarshQMUL 0:83abbbeb9a3d 28 while (true) {
WilliamMarshQMUL 1:bbbe0fae16f3 29 wait(0.4);
WilliamMarshQMUL 0:83abbbeb9a3d 30 ledA = !ledA;
WilliamMarshQMUL 0:83abbbeb9a3d 31 }
WilliamMarshQMUL 0:83abbbeb9a3d 32 }