diff --git a/tools/ftl/libs/libccode.ftl b/tools/ftl/libs/libccode.ftl
index f6d64e361..b5b6b6a6f 100644
--- a/tools/ftl/libs/libccode.ftl
+++ b/tools/ftl/libs/libccode.ftl
@@ -365,12 +365,10 @@ ${s}
  * @name    Configuration options
  * @{
  */
-    [#list configs.* as this]
-      [#if this?node_name == "config"]
-[@doxygen.EmitFullCommentFromNode "" this /]
-[@GenerateConfigFromNode this /]
-      [/#if]
-      [#if !this?is_last]
+    [#list configs.config as config]
+[@doxygen.EmitFullCommentFromNode indent="" node=config /]
+[@GenerateConfigFromNode node=config /]
+      [#if !config?is_last]
 
       [/#if]
     [/#list]
@@ -385,22 +383,30 @@ ${s}
   --]
 [#macro GenerateConfigAssertsFromNode node=[]]
   [#local configs = node]
-  [#list configs.config as config]
-    [#local name    = (config.@name[0]!"no-name")?trim]
-    [#if config.assert[0]??]
+  [#list configs.* as this]
+    [#if this?node_name == "config"]
+      [#local name    = (this.@name[0]!"no-name")?trim]
+      [#if this.assert[0]??]
 /* Checks on ${name} configuration.*/
-      [#list config.assert as assert]
-        [#local invalid = (assert.@invalid[0]!"TRUE")?replace("$N", name)
-                message = assert[0]?trim?replace("$N", name) /]
+        [#list this.assert as assert]
+          [#local invalid = (assert.@invalid[0]!"TRUE")?replace("$N", name)
+                  message = assert[0]?trim?replace("$N", name) /]
 #if ${invalid}
-        [#if message?length > 0]
+          [#if message?length > 0]
 #error "${message}"
-        [#else]
+          [#else]
 #error "invalid ${name} value"
-        [/#if]
+          [/#if]
 #endif
 
-      [/#list]
+        [/#list]
+      [/#if]
+    [#elseif this?node_name == "verbatim"]
+      [#local ccode = (this[0]!"")?trim]
+      [#if ccode?length > 0]
+[@GenerateIndentedCCode "" ccode /]
+
+      [/#if]
     [/#if]
   [/#list]
 [/#macro]
diff --git a/tools/ftl/schema/ccode/modules.xsd b/tools/ftl/schema/ccode/modules.xsd
index 519456dc1..da98ea11c 100644
--- a/tools/ftl/schema/ccode/modules.xsd
+++ b/tools/ftl/schema/ccode/modules.xsd
@@ -105,10 +105,12 @@
     </xs:sequence>
   </xs:complexType>
   <xs:complexType name="configsType">
-    <xs:sequence>
-      <xs:element name="config" type="configType"
-        maxOccurs="unbounded" minOccurs="0"></xs:element>
-    </xs:sequence>
+    <xs:choice maxOccurs="unbounded" minOccurs="0">
+      <xs:element name="config" type="configType" maxOccurs="1"
+        minOccurs="1">
+      </xs:element>
+      <xs:element name="verbatim" type="xs:string" maxOccurs="1" minOccurs="1"></xs:element>
+    </xs:choice>
   </xs:complexType>
   <xs:complexType name="includesType">
     <xs:choice maxOccurs="unbounded" minOccurs="0">