mbed_example / Mbed OS Shared_Events_2

Shared event example. Instead of creating special thread user can use shared event queue and dispatch the global event queue from main thread.

Fork of Shared_Events_1 by mbed_example

main.cpp

Committer:
deepikabhavnani
Date:
2017-12-18
Revision:
0:7c7d5b625e59
Child:
1:154179bdc39d

File content as of revision 0:7c7d5b625e59:

#include "mbed.h"
#include "mbed_events.h"
 
DigitalOut led1(LED1);
InterruptIn sw(SW2);
 
void rise_handler(void) {
    // Toggle LED
    led1 = !led1;
}
 
void fall_handler(void) {
    printf("fall_handler in context %p\r\n", Thread::gettid());
    // Toggle LED
    led1 = !led1;
}
 
int main() {
    // Request the shared queue
    EventQueue *queue = mbed_event_queue();
    printf("Starting in context %p\r\n", Thread::gettid());
    // The 'rise' handler will execute in IRQ context
    sw.rise(rise_handler);
    // The 'fall' handler will execute in the context of the shared queue thread
    sw.fall(queue->event(fall_handler));
}