Minor improvements

platformio/builder/tools/pioplatform.py

@@ -142,6 +142,14 @@ def PrintSystemInfo(env):
     print "Debug: %s" % " ".join(data)
 
 
+def PrintUploadInfo(env):
+    selected = env.subst("$UPLOAD_PROTOCOL")
+    available = env.BoardConfig().get("upload", {}).get(
+        "protocols", [selected])
+    print "Available: %s" % ", ".join(available)
+    print "Selected: %s" % selected
+
+
 def exists(_):
     return True
 
@@ -152,4 +160,5 @@ def generate(env):
     env.AddMethod(GetFrameworkScript)
     env.AddMethod(LoadPioPlatform)
     env.AddMethod(PrintSystemInfo)
+    env.AddMethod(PrintUploadInfo)
     return env