Diff: main.cpp

Revision:

0:36d0e9449606

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jan 04 01:09:36 2018 +0000
@@ -0,0 +1,48 @@
+#include "mbed.h"
+
+Mutex mutex;
+ConditionVariable cond(mutex);
+
+// These variables are protected by locking mutex
+uint32_t count = 0;
+bool done = false;
+
+void worker_thread()
+{
+    mutex.lock();
+    do {
+        printf("Worker: Count %lu\r\n", count);
+
+        // Wait for a condition to change
+        cond.wait();
+
+    } while (!done);
+    printf("Worker: Exiting\r\n");
+    mutex.unlock();
+}
+
+int main() {
+    Thread thread;
+    thread.start(worker_thread);
+
+    for (int i = 0; i < 5; i++) {
+
+        mutex.lock();
+        // Change count and signal this
+        count++;
+        printf("Main: Set count to %lu\r\n", count);
+        cond.notify_all();
+        mutex.unlock();
+
+        wait(1.0);
+    }
+
+    mutex.lock();
+    // Change done and signal this
+    done = true;
+    printf("Main: Set done\r\n");
+    cond.notify_all();
+    mutex.unlock();
+
+    thread.join();
+}
\ No newline at end of file