mbed official / Mbed 2 deprecated rtos_isr

Basic example showing the Queue API with a producer in an ISR and a consumer in a normal thread.

Dependencies:   mbed-rtos mbed

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main.cpp

00001 #include "mbed.h"
00002 #include "rtos.h"
00003 
00004 Queue<uint32_t, 5> queue;
00005 
00006 DigitalOut myled(LED1);
00007 
00008 void queue_isr() {
00009     queue.put((uint32_t*)2);
00010     myled = !myled;
00011 }
00012 
00013 void queue_thread(void const *args) {
00014     while (true) {
00015         queue.put((uint32_t*)1);
00016         Thread::wait(1000);
00017     }
00018 }
00019 
00020 int main (void) {
00021     Thread thread(queue_thread);
00022     
00023     Ticker ticker;
00024     ticker.attach(queue_isr, 1.0);
00025     
00026     while (true) {
00027         osEvent evt = queue.get();
00028         if (evt.status != osEventMessage) {
00029             printf("queue->get() returned %02x status\n\r", evt.status);
00030         } else {
00031             printf("queue->get() returned %d\n\r", evt.value.v);
00032         }
00033     }
00034 }
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