Include pcb version information

extra_pre.py

@@ -170,12 +170,22 @@ def prebuild(env):
         print("Production version style")
         version = env.GetProjectOption('custom_version')
 
+    # get hardware compiler option
+    pcbvers = "unknown"
+    for x in env["BUILD_FLAGS"]:
+        if not x.startswith('-D'):
+            continue
+        opt = x[2:].strip()
+        if opt.startswith("HARDWARE_"):
+            pcbvers = x.split('_')[1].lower()
+
     now = datetime.utcnow()
     env.Append(
         CPPDEFINES=[
             ('FWVERSION', version),
             ("FWBUILDDATE", f"{now:%Y-%m-%d}"),
             ("FWBUILDTIME", f"{now:%H:%M:%S}"),
+            ("HWVERSION", pcbvers)
         ]
     )