Downgrade GCC toolchain to v7 for Arduino-mbed boards

The toolchain version now corresponds to GCC used by the original Arduino core to avoid compatibility issues Resolves #185
platformio · Nov 24, 2023 · 9d461cf · 9d461cf
1 parent 0ce942b
commit 9d461cf
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diff --git a/platform.json b/platform.json
@@ -39,6 +39,7 @@
       "owner": "platformio",
       "version": ">=1.60301.0,<1.80000.0",
       "optionalVersions": [
+        "~1.70201.0",
         "~1.80201.0",
         "~1.90201.0"
       ]

diff --git a/platform.py b/platform.py
@@ -54,7 +54,7 @@ def configure_default_packages(self, variables, targets):
                     self.packages["tool-gperf"]["optional"] = False
 
             if board in ("nano33ble", "nicla_sense_me"):
-                self.packages["toolchain-gccarmnoneeabi"]["version"] = "~1.80201.0"
+                self.packages["toolchain-gccarmnoneeabi"]["version"] = "~1.70201.0"
                 self.frameworks["arduino"]["package"] = "framework-arduino-mbed"
                 self.frameworks["arduino"][
                     "script"