LPC11C24: Fixed C++ runtime initialization

libuavcan_drivers/lpc11c24/test_olimex_lpc_p11c24/src/main.cpp

@@ -9,11 +9,13 @@ struct A
     A()
     {
         board::setStatusLed(true);
+        board::setErrorLed(false);
     }
 
     ~A()
     {
         board::setStatusLed(false);
+        board::setErrorLed(true);
     }
 };
 

libuavcan_drivers/lpc11c24/test_olimex_lpc_p11c24/src/sys/board.cpp

@@ -127,6 +127,7 @@ void setErrorLed(bool state)
 } // namespace board
 
 /*
+ * Basic hardware initialization
  * C++ runtime initialization
  */
 extern "C"
@@ -147,13 +148,22 @@ static void call_init_array(unsigned long* start, unsigned long* end)
     }
 }
 
-void __pre_main()
+// We need to disable pedantic mode to call main()
+#pragma GCC diagnostic ignored "-Wpedantic"
+
+extern int main();
+
+void __start()
 {
+    board::init();
+
     call_init_array(&__preinit_array_start, &__preinit_array_end);
     call_init_array(&__init_array_start, &__init_array_end);
     call_init_array(&_ctor_start, &_ctor_end);
 
-    board::init();
+    (void)main();
+
+    while (true) { }
 }
 
 }

libuavcan_drivers/lpc11c24/test_olimex_lpc_p11c24/src/sys/startup_armcm0.S

@@ -239,10 +239,7 @@ Reset_Handler:
     blt    .flash_to_ram_loop
 .flash_to_ram_loop_end:
 
-    ldr    r0, =__pre_main
-    blx    r0
-
-    ldr    r0, =main
+    ldr    r0, =__start
     bx     r0
     .pool
     .size Reset_Handler, . - Reset_Handler