add main.c

src/main.c

@@ -0,0 +1,27 @@
+#include "cmsis_os.h"
+
+osThreadId main_tid = 0;
+
+void main_task(void const *arg)
+{
+    int i=0;
+
+    while (1) {
+        DiagPrintf("Hello World : %d\r\n", i++);
+        HalDelayUs(1000000);
+    }
+}
+
+int main(void)
+{
+    osKernelInitialize();
+
+    DiagPrintf("Starting main task\n");
+
+    osThreadDef(main_task, osPriorityHigh, 1, 8152);
+    main_tid = osThreadCreate (osThread (main_task), NULL);
+
+    osKernelStart();
+    while(1);
+    return 0;
+}