Diff: main.cpp

Revision:

0:bd08296227ad

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 17 12:43:28 2022 +0000
@@ -0,0 +1,40 @@
+#include "mbed.h"
+#include "rtos.h"
+
+DigitalOut led(LED1);
+
+void led_thread(void const *argument) {
+  while (true) {
+    // Signal flags that are reported as event are automatically cleared.
+    osEvent evt = Thread::signal_wait(0);            //Wait for any signal
+    switch(evt.status) {
+      case osOK:
+        printf("osOK\n");                            //no error or event occurred
+        break;
+      case osEventSignal:
+        printf("osEventSignal = %#05x\n",evt.value.signals); //signal event occurred
+        break;              
+      case osEventTimeout:
+        printf("osEventTimeout\n");                 //timeout occurred
+        break;               
+      case osErrorValue:
+        printf("osErrorValue\n");                   //value of a parameter is out of range
+        break;               
+      default:
+        printf("Unknown error flag: %#08x\n",(uint32_t)evt.status);
+        break;
+    };
+    led = !led;
+  }
+}
+
+int main (void) {
+  int32_t signal_mask = 0x1;
+  Thread thread2(led_thread);
+  while (true) {
+    Thread::wait(1000);
+    thread2.signal_set(signal_mask);
+    signal_mask <<=1;
+    if(signal_mask > 0x8000) signal_mask=0x1;
+  }
+}
\ No newline at end of file