Add new FMU node-type

.github/workflows/checks.yaml

@@ -46,7 +46,7 @@ jobs:
       options: --user root
     steps:
       - name: Install Git and Ruby
-        run: apt-get update && apt-get -y install git ruby
+        run: apt-get update && apt-get -y install git ruby ruby-dev make gcc
 
       - name: Checkout
         uses: actions/checkout@v7

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "1.3.0"
+  ".": "1.3.2"
 }

CHANGELOG.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## [1.3.2](https://github.com/VILLASframework/node/compare/v1.3.1...v1.3.2) (2026-09-14)
+
+
+### Bug Fixes
+
+* **api:** Restart temp config file needs a .json at the end for corret config selection ([a169249](https://github.com/VILLASframework/node/commit/a16924952e4e42fcb66dd175114a1856b5652b52))
+
+## [1.3.1](https://github.com/VILLASframework/node/compare/v1.3.0...v1.3.1) (2026-09-09)
+
+
+### Bug Fixes
+
+* **ci:** Add version to Nix builds ([6357645](https://github.com/VILLASframework/node/commit/6357645d63aa70926f22b837a912541ef39f73e8))
+
 ## [1.3.0](https://github.com/VILLASframework/node/compare/v1.2.2...v1.3.0) (2026-09-07)
 
 

CMakeLists.txt

@@ -7,7 +7,7 @@
 cmake_minimum_required(VERSION 3.14)
 
 project(villas-node
-    VERSION 1.3.0 # x-release-please-version
+    VERSION 1.3.2 # x-release-please-version
     DESCRIPTION "Open-Source Real-time Multi-protocol Gateway"
     HOMEPAGE_URL "https://www.fein-aachen.org/projects/villas-node/"
     LANGUAGES C CXX
@@ -95,6 +95,7 @@ find_package(Criterion)
 find_package(OpalOrchestra)
 find_package(LibXml2)
 find_package(OpalAsyncApi)
+find_package(FMI)
 
 # Check for tools
 find_program(PROTOBUFC_COMPILER NAMES protoc-c)
@@ -204,6 +205,7 @@ cmake_dependent_option(WITH_NODE_ETHERCAT       "Build with ethercat node-type"
 cmake_dependent_option(WITH_NODE_EXAMPLE        "Build with example node-type"                          "${WITH_DEFAULTS}" "" OFF)
 cmake_dependent_option(WITH_NODE_EXEC           "Build with exec node-type"                             "${WITH_DEFAULTS}" "" OFF)
 cmake_dependent_option(WITH_NODE_FILE           "Build with file node-type"                             "${WITH_DEFAULTS}" "" OFF)
+cmake_dependent_option(WITH_NODE_FMU            "Build with fmu node-type"                              "${WITH_DEFAULTS}" "FMI_FOUND" OFF)
 cmake_dependent_option(WITH_NODE_FPGA           "Build with fpga node-type"                             "${WITH_DEFAULTS}" "WITH_FPGA" OFF)
 cmake_dependent_option(WITH_NODE_IEC60870       "Build with iec60870 node-types"                        "${WITH_DEFAULTS}" "LIB60870_FOUND; NOT WITHOUT_GPL" OFF)
 cmake_dependent_option(WITH_NODE_IEC61850       "Build with iec61850 node-types"                        "${WITH_DEFAULTS}" "LIBIEC61850_FOUND; NOT WITHOUT_GPL" OFF)
@@ -314,6 +316,7 @@ add_feature_info(NODE_ETHERCAT          WITH_NODE_ETHERCAT          "Build with
 add_feature_info(NODE_EXAMPLE           WITH_NODE_EXAMPLE           "Build with example node-type")
 add_feature_info(NODE_EXEC              WITH_NODE_EXEC              "Build with exec node-type")
 add_feature_info(NODE_FILE              WITH_NODE_FILE              "Build with file node-type")
+add_feature_info(NODE_FMU               WITH_NODE_FMU               "Build with fmu node-type")
 add_feature_info(NODE_FPGA              WITH_NODE_FPGA              "Build with fpga node-type")
 add_feature_info(NODE_IEC60870          WITH_NODE_IEC60870          "Build with iec60870 node-types")
 add_feature_info(NODE_IEC61850          WITH_NODE_IEC61850          "Build with iec61850 node-types")

cmake/FindFMI.cmake

@@ -0,0 +1,26 @@
+# CMakeLists.txt.
+#
+# Author: Ritesh Karki <ritesh.karki@rwth-aachen.de>
+# SPDX-FileCopyrightText: 2014-2026 Institute for Automation of Complex Power Systems, RWTH Aachen University
+# SPDX-License-Identifier: Apache-2.0
+
+find_path(FMI_INCLUDE_DIR
+    NAMES fmilib.h
+)
+
+find_library(FMI_LIBRARY fmilib
+  PATHS /usr/local/lib /usr/local/lib64
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(FMI DEFAULT_MSG FMI_LIBRARY FMI_INCLUDE_DIR)
+
+mark_as_advanced(FMI_INCLUDE_DIR FMI_LIBRARY)
+
+if(FMI_FOUND)
+    add_library(FMI SHARED IMPORTED)
+    set_target_properties(FMI PROPERTIES
+        IMPORTED_LOCATION "${FMI_LIBRARY}"
+        INTERFACE_INCLUDE_DIRECTORIES "${FMI_INCLUDE_DIR}"
+    )
+endif()

doc/openapi/components/schemas/hook-pps_ts.yaml

@@ -10,31 +10,18 @@ properties:
     type: string
     const: pps_ts
 
-  mode:
-    type: string
-    enum:
-    - simple
-    - horizon
-    default: simple
-    description: "The synchronization mode. The `horizon` mode is currently no recommended to use as it is not fully tested."
-
   threshold:
     type: number
     default: 1.5
     description: "The signal level threshold of the PPS signal which is used to detect an edge."
 
-  expected_smp_rate:
-    type: number
-    default: 1.0
-    description: "The expected sampling rate of the input signal. Only important for a faster initialization."
-
-  horizon_estimation:
-    type: integer
-    default: 10
-
-  horizon_compensation:
-    type: integer
-    default: 10
+  time_source:
+    type: string
+    enum:
+    - sample
+    - os
+    default: os
+    description: Defines from where the second value is derived.
 
   priority:
     default: 99

doc/openapi/components/schemas/node-fmu.yaml

@@ -0,0 +1,92 @@
+# yaml-language-server: $schema=http://json-schema.org/draft-07/schema
+# SPDX-FileCopyrightText: 2014-2026 Institute for Automation of Complex Power Systems, RWTH Aachen University
+# SPDX-License-Identifier: Apache-2.0
+---
+title: FMU node-type
+type: object
+required: [type, fmu_path, fmu_unpack_path, start_time, stop_time, step_size]
+properties:
+  type:
+    type: string
+    const: fmu
+
+  fmu_path:
+    type: string
+    description: |
+      Specifies the URI to a FMU model
+
+  fmu_unpack_path:
+    type: string
+    description: |
+      Specifies the URI to a directory which has the unpacked files of the FMU model (mainly the shared library and the modelDescription.xml for the model).
+
+  start_time:
+    type: number
+    description: |
+      Specifies the start time for the simulation. Value has to be at least one `step_size` lesser than `stop_time`.
+
+  stop_time:
+    type: number
+    description: |
+      Specifies the stop time for the simulation. The number of steps is calculated then by the difference between `start_time` and `stop_time` divided by the `step_size`.
+
+  step_size:
+    type: number
+    description: |
+      Specifies the step size for the simulation. Special care has to be taken to ensure that the value is equal to the value mantioned in modelDescription.xml.
+
+  in:
+    type: object
+    properties:
+      enabled:
+        default: true
+        $ref: ./shared-node-enabled.yaml
+
+      builtin:
+        default: true
+        $ref: ./shared-node-builtin.yaml
+
+      vectorize:
+        default: 1
+        $ref: ./shared-node-vectorize.yaml
+
+      hooks:
+        default: []
+        $ref: ./shared-hook-list.yaml
+
+      signals:
+        $ref: ./shared-signal-list.yaml
+
+    additionalProperties: false
+
+  out:
+    type: object
+    properties:
+      enabled:
+        default: true
+        $ref: ./shared-node-enabled.yaml
+
+      netem:
+        $ref: ./shared-node-netem.yaml
+
+      fwmark:
+        $ref: ./shared-node-fwmark.yaml
+
+      builtin:
+        default: true
+        $ref: ./shared-node-builtin.yaml
+
+      vectorize:
+        default: 1
+        $ref: ./shared-node-vectorize.yaml
+
+      hooks:
+        default: []
+        $ref: ./shared-hook-list.yaml
+
+      signals:
+        $ref: ./shared-signal-list.yaml
+
+    additionalProperties: false
+
+additionalProperties: false

doc/openapi/components/schemas/node.yaml

@@ -16,6 +16,7 @@ discriminator:
     ethercat: ./node-ethercat.yaml
     example: ./node-example.yaml
     exec: ./node-exec.yaml
+    fmu: ./node-fmu.yaml
     file: ./node-file.yaml
     fpga: ./node-fpga.yaml
     iec60870-5-104: ./node-iec60870-5-104.yaml

doc/package.json

@@ -1,6 +1,6 @@
 {
   "name": "villasnode-api",
-  "version": "1.3.0",
+  "version": "1.3.2",
   "type": "module",
   "dependencies": {
     "@redocly/cli": "1.16.0"

etc/examples/hooks/pps_ts.conf

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
+# SPDX-FileCopyrightText: 2026 Institute for Automation of Complex Power Systems, RWTH Aachen University
 # SPDX-License-Identifier: Apache-2.0
 
 @include "hook-nodes.conf"
@@ -11,14 +11,9 @@ paths = (
         hooks = (
             {
                 type = "pps_ts"
-
                 signal = "pps"
-
-                mode = "simple" # Oneof: simple, horizon
+                time_source = "sample"
                 threshold = 0.5
-                expected_smp_rate = 5e3
-                horizon_estimation = 10
-                horizon_compensation = 10
             }
         )
     }

etc/examples/nodes/fmu.conf

@@ -0,0 +1,26 @@
+# SPDX-FileCopyrightText: 2014-2026 Institute for Automation of Complex Power Systems, RWTH Aachen University
+# SPDX-License-Identifier: Apache-2.0
+
+nodes = {
+    fmu_node = {
+        type = "fmu"
+        # Path to FMU file (.fmu)
+        fmu_path = "/workspaces/node/tests/integration/Dahlquist.fmu"
+        fmu_unpack_path = "/workspaces/node/tests/integration/fmu_dahl"
+        stop_time = 10.0
+        start_time = 0.0
+        step_size = 0.2
+
+        in = {
+            signals = (
+                { name = "in1", type = "float" }
+            )
+        }
+
+        out = {
+            signals = (
+                { name = "out1", type = "float" },
+            )
+        }
+    }
+}

flake.nix

@@ -25,6 +25,8 @@
     let
       inherit (nixpkgs) lib;
 
+      version = "1.2.0"; # x-release-please-version
+
       nixDir = ./packaging/nix;
 
       # Add separateDebugInfo to a derivation
@@ -66,15 +68,18 @@
       packagesWith = pkgs: rec {
         default = villas-node;
 
-        villas-node-python = pkgs.callPackage (nixDir + "/python.nix") { src = ./.; };
+        villas-node-python = pkgs.callPackage (nixDir + "/python.nix") {
+          src = ./.;
+          inherit version;
+        };
 
         villas-node-minimal = pkgs.callPackage (nixDir + "/villas.nix") {
           src = ./.;
-          version = "minimal";
+          version = "${version}-minimal";
         };
 
         villas-node = villas-node-minimal.override {
-          version = "full";
+          version = "${version}-full";
           withAllExtras = true;
           withAllFormats = true;
           withAllHooks = true;