Extend debugging options with flash images

Author: ivankravets

platform.py

@@ -12,8 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from os.path import isdir
+import copy
+import os
 
+from platformio import fs
 from platformio.managers.platform import PlatformBase
 from platformio.util import get_systype
 
@@ -32,7 +34,7 @@ def configure_default_packages(self, variables, targets):
             self.packages['tool-mkspiffs']['optional'] = False
         if variables.get("upload_protocol"):
             self.packages['tool-openocd-esp32']['optional'] = False
-        if isdir("ulp"):
+        if os.path.isdir("ulp"):
             self.packages['toolchain-esp32ulp']['optional'] = False
         if "espidf" in frameworks:
             for p in self.packages:
@@ -152,3 +154,27 @@ def _add_dynamic_options(self, board):
 
         board.manifest['debug'] = debug
         return board
+
+    def configure_debug_options(self, initial_debug_options, ide_data):
+        flash_images = ide_data.get("extra", {}).get("flash_images")
+        ignore_conds = [
+            initial_debug_options["load_cmds"] != ["load"],
+            not flash_images,
+            not all([os.path.isfile(item["path"]) for item in flash_images]),
+        ]
+        if any(ignore_conds):
+            return initial_debug_options
+
+        debug_options = copy.deepcopy(initial_debug_options)
+        load_cmds = [
+            'monitor program_esp32 "{{{path}}}" {offset} verify'.format(
+                path=fs.to_unix_path(item["path"]), offset=item["offset"]
+            )
+            for item in flash_images
+        ]
+        load_cmds.append(
+            'monitor program_esp32 "{%s.bin}" 0x10000 verify'
+            % fs.to_unix_path(ide_data["prog_path"][:-4])
+        )
+        debug_options["load_cmds"] = load_cmds
+        return debug_options