1 files changed, 23 insertions, 0 deletions
diff --git a/tool/mbed/mbed-sdk/libraries/tests/rtos/cmsis/signals/main.cpp b/tool/mbed/mbed-sdk/libraries/tests/rtos/cmsis/signals/main.cpp
new file mode 100644
index 0000000000..14ce05dadb
--- /dev/null
+++ b/tool/mbed/mbed-sdk/libraries/tests/rtos/cmsis/signals/main.cpp
@@ -0,0 +1,23 @@
+#include "mbed.h"
+#include "cmsis_os.h"
+
+DigitalOut led(LED1);
+
+void led_thread(void const *argument) {
+    while (true) {
+        // Signal flags that are reported as event are automatically cleared.
+        osSignalWait(0x1, osWaitForever);
+        led = !led;
+    }
+}
+
+osThreadDef(led_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main (void) {
+    osThreadId tid = osThreadCreate(osThread(led_thread), NULL);
+
+    while (true) {
+        osDelay(1000);
+        osSignalSet(tid, 0x1);
+    }
+}