Allow specifying custom PROJECT_VER, PROJECT_NAME

Author: valeros

builder/frameworks/espidf.py

@@ -657,9 +657,7 @@ def configure_exceptions(sdk_params):
         "WITH_POSIX",
         "UNITY_INCLUDE_CONFIG_H",
         ("IDF_VER", '\\"%s\\"' %
-         platform.get_package_version("framework-espidf")),
-        ("PROJECT_VER", '\\"%s\\"' % "1.0.0"),
-        ("PROJECT_NAME", '\\"%s\\"' % basename(env.subst("$PROJECT_DIR")))
+         platform.get_package_version("framework-espidf"))
 
     ],
 
@@ -697,6 +695,18 @@ def configure_exceptions(sdk_params):
     ]
 )
 
+cppdefines = env.Flatten(env.get("CPPDEFINES", []))
+
+if "PROJECT_NAME" not in cppdefines:
+    env.Append(
+        CPPDEFINES=[
+            ("PROJECT_NAME", '\\"%s\\"' % basename(env.subst("$PROJECT_DIR")))
+        ]
+    )
+
+if "PROJECT_VER" not in cppdefines:
+    env.Append(CPPDEFINES=[("PROJECT_VER", '\\"%s\\"' % "1.0.0")])
+
 #
 # ESP-IDF doesn't need assembler-with-cpp option
 #