Merge branch 'release/v5.3.0'

Author: ivankravets

boards/bluepill_f103c8.json

@@ -2,7 +2,7 @@
   "build": {
     "core": "stm32",
     "cpu": "cortex-m3",
-    "extra_flags": "-DSTM32F1 -DSTM32F103xB",
+    "extra_flags": "-DSTM32F1 -DSTM32F103xB -DARDUINO_BLUEPILL_F103C8",
     "f_cpu": "72000000L",
     "hwids": [
       [

boards/bluepill_f103c8_128k.json

@@ -2,7 +2,7 @@
   "build": {
     "core": "stm32",
     "cpu": "cortex-m3",
-    "extra_flags": "-DSTM32F1 -DSTM32F103xB",
+    "extra_flags": "-DSTM32F1 -DSTM32F103xB -DARDUINO_BLUEPILL_F103C8",
     "f_cpu": "72000000L",
     "hwids": [
       [

examples/arduino-mxchip-azureiot/platformio.ini

@@ -12,5 +12,4 @@ platform = ststm32
 framework = arduino
 board = mxchip_az3166
 monitor_speed = 115200
-lib_deps =
-  ArduinoJson
+lib_deps = ArduinoJson@^5

platform.json

@@ -12,7 +12,7 @@
     "type": "git",
     "url": "https://github.com/platformio/platform-ststm32.git"
   },
-  "version": "5.2.0",
+  "version": "5.3.0",
   "packageRepositories": [
     "https://dl.bintray.com/platformio/dl-packages/manifest.json",
     "http://dl.platformio.org/packages/manifest.json"
@@ -46,12 +46,12 @@
   "packages": {
     "toolchain-gccarmnoneeabi": {
       "type": "toolchain",
-      "version": ">=1.60301.0"
+      "version": ">=1.60301.0,<1.80000.0"
     },
     "framework-mbed": {
       "type": "framework",
       "optional": true,
-      "version": "~5.51104.190214"
+      "version": "~5.51105.190304"
     },
     "framework-cmsis": {
       "type": "framework",

platform.py

@@ -29,7 +29,6 @@ def configure_default_packages(self, variables, targets):
             self.frameworks['arduino']['package'] = "framework-arduinoststm32-maple"
             self.packages["framework-arduinoststm32-maple"]["optional"] = False
             self.packages["framework-arduinoststm32"]["optional"] = True
-            self.packages['toolchain-gccarmnoneeabi']['version'] = "<1.80000.0"
 
         if board == "mxchip_az3166":
             self.frameworks['arduino'][