Configure a custom path to SVD file using "debug_svd_path" option

HISTORY.rst

@@ -13,9 +13,11 @@ PlatformIO 3.0
   - "Recent News" block on "Welcome" page
   - Direct import of development platform's example
 
+* Configure a custom path to SVD file using `debug_svd_path <http://docs.platformio.org/page/projectconf/section_env_debug.html#debug-svd-path>`__
+  option
 * Describe your project with a new
   `description <http://docs.platformio.org/en/latest/projectconf/section_platformio.html#description>`_
-  option for `Project Configuration File "platformio.ini" <http://docs.platformio.org/page/projectconf/section_platformio.html#build-dir>`__ (information will be used by
+  option from `Project Configuration File "platformio.ini" <http://docs.platformio.org/page/projectconf/section_platformio.html#build-dir>`__ (information will be used by
   `PlatformIO Home <http://docs.platformio.org/page/home/index.html>`_)
 * Updated Unity tool to 2.4.3
 * Improved support for Black Magic Probe in "uploader" role

platformio/builder/main.py

@@ -68,7 +68,7 @@ commonvars.AddVariables(
 
     # debug options
     ("DEBUG_TOOL",),
-
+    ("DEBUG_SVD_PATH",),
 
 )  # yapf: disable
 

platformio/builder/tools/pioide.py

@@ -108,6 +108,10 @@ def _dump_defines(env):
 
 
 def _get_svd_path(env):
+    svd_path = env.subst("$DEBUG_SVD_PATH")
+    if svd_path and isfile(svd_path):
+        return abspath(svd_path)
+
     if "BOARD" not in env:
         return None
     try:

platformio/commands/run.py

@@ -143,8 +143,8 @@ class EnvironmentProcessor(object):
                          "test_port", "test_speed", "debug_tool", "debug_port",
                          "debug_init_cmds", "debug_extra_cmds", "debug_server",
                          "debug_init_break", "debug_load_cmd",
-                         "debug_load_mode", "monitor_port", "monitor_baud",
-                         "monitor_rts", "monitor_dtr")
+                         "debug_load_mode", "debug_svd_path", "monitor_port",
+                         "monitor_baud", "monitor_rts", "monitor_dtr")
 
     IGNORE_BUILD_OPTIONS = ("test_transport", "test_filter", "test_ignore",
                             "test_port", "test_speed", "debug_port",