Added python script to generate version info on platformio install

Author: JacobBaumel

library.json

@@ -25,5 +25,8 @@
   },
   "license": "MIT",
   "frameworks": "*",
-  "platforms": "*"
+  "platforms": "*",
+  "scripts": {
+    "postinstall": "piogenversion.py"
+  }
 }

piogenversion.py

@@ -0,0 +1,20 @@
+ver = ""
+with open("VERSION", 'r') as file:
+    ver = file.read()
+
+lines = [
+    "#ifdef __cplusplus\n",
+    "extern \"C\" {\n",
+    "#endif\n",
+    "extern const char* const RCPT_VERSION;\n",
+    "extern const char* const RCPT_VERSION_END;\n",
+    "const char* const RCPT_VERSION = \"" + ver + "\";\n",
+    "const char* const RCPT_VERSION_END = RCPT_VERSION + " + str(len(ver)) + ";\n",
+    "#ifdef __cplusplus\n",
+    "}\n",
+    "#endif\n"
+]
+
+with open("src/VERSION.cpp", 'w') as file:
+    file.writelines(lines)
+