refactor signaling with led and debug pins

cube/User/Src/logger.c

@@ -1,7 +1,7 @@
 #ifndef TEST
 #include <main.h>
 #include <usart.h>
-#include <led.h>
+#include <signal.h>
 #include <PontCoopScheduler.h>
 #endif
 
@@ -56,7 +56,7 @@ int logExec() {
 
 #ifndef TEST
 static void flashGreenLed(void *handle) {
-    led(GREEN, TOGGLE);
+    signal(LED_GREEN, TOGGLE);
 }
 #endif // TEST