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cdutz pushed a commit to branch develop
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The following commit(s) were added to refs/heads/develop by this push:
     new 53d0aef  feat(protocol/c-bus): Initial commit.
53d0aef is described below

commit 53d0aef9aa9a8b8de823b2ef2c9c817ac81f2291
Author: cdutz <[email protected]>
AuthorDate: Mon Feb 28 11:25:48 2022 +0100

    feat(protocol/c-bus): Initial commit.
---
 protocols/c-bus/pom.xml                            | 43 ++++++++++++
 .../apache/plc4x/protocol/cbus/CBusProtocol.java   | 44 ++++++++++++
 ...e.plc4x.plugins.codegenerator.protocol.Protocol | 19 +++++
 .../src/main/resources/protocols/cbus/c-bus.mspec  | 80 ++++++++++++++++++++++
 protocols/pom.xml                                  |  1 +
 5 files changed, 187 insertions(+)

diff --git a/protocols/c-bus/pom.xml b/protocols/c-bus/pom.xml
new file mode 100644
index 0000000..36804e4
--- /dev/null
+++ b/protocols/c-bus/pom.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.apache.plc4x</groupId>
+    <artifactId>plc4x-protocols</artifactId>
+    <version>0.10.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>plc4x-protocols-c-bus</artifactId>
+
+  <name>Protocols: C-Bus</name>
+  <description>Base protocol specifications for the C-Bus 
protocol</description>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.plc4x</groupId>
+      <artifactId>plc4x-code-generation-protocol-base-mspec</artifactId>
+      <version>0.10.0-SNAPSHOT</version>
+    </dependency>
+  </dependencies>
+
+</project>
\ No newline at end of file
diff --git 
a/protocols/c-bus/src/main/java/org/apache/plc4x/protocol/cbus/CBusProtocol.java
 
b/protocols/c-bus/src/main/java/org/apache/plc4x/protocol/cbus/CBusProtocol.java
new file mode 100644
index 0000000..f616a12
--- /dev/null
+++ 
b/protocols/c-bus/src/main/java/org/apache/plc4x/protocol/cbus/CBusProtocol.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.plc4x.protocol.cbus;
+
+import 
org.apache.plc4x.plugins.codegenerator.language.mspec.parser.MessageFormatParser;
+import org.apache.plc4x.plugins.codegenerator.protocol.Protocol;
+import org.apache.plc4x.plugins.codegenerator.protocol.TypeContext;
+import 
org.apache.plc4x.plugins.codegenerator.types.exceptions.GenerationException;
+
+import java.io.InputStream;
+
+public class CBusProtocol implements Protocol {
+
+    @Override
+    public String getName() {
+        return "c-bus";
+    }
+
+    @Override
+    public TypeContext getTypeContext() throws GenerationException {
+        InputStream schemaInputStream = 
CBusProtocol.class.getResourceAsStream("/protocols/cbus/c-bus.mspec");
+        if(schemaInputStream == null) {
+            throw new GenerationException("Error loading message-format schema 
for protocol '" + getName() + "'");
+        }
+        return new MessageFormatParser().parse(schemaInputStream);
+    }
+
+}
diff --git 
a/protocols/c-bus/src/main/resources/META-INF/services/org.apache.plc4x.plugins.codegenerator.protocol.Protocol
 
b/protocols/c-bus/src/main/resources/META-INF/services/org.apache.plc4x.plugins.codegenerator.protocol.Protocol
new file mode 100644
index 0000000..9e8c5cf
--- /dev/null
+++ 
b/protocols/c-bus/src/main/resources/META-INF/services/org.apache.plc4x.plugins.codegenerator.protocol.Protocol
@@ -0,0 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+org.apache.plc4x.protocol.cbus.CBusProtocol
diff --git a/protocols/c-bus/src/main/resources/protocols/cbus/c-bus.mspec 
b/protocols/c-bus/src/main/resources/protocols/cbus/c-bus.mspec
new file mode 100644
index 0000000..2170288
--- /dev/null
+++ b/protocols/c-bus/src/main/resources/protocols/cbus/c-bus.mspec
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+[discriminatedType CBusCommand
+    [const  uint 8     initiator '0x5C'] // 0x5C = "/"
+    [simple CBusHeader header          ]
+    [typeSwitch 'header.destinationAddressType'
+        ['PointToPointToMultiPoint' CBusCommandPointToPointToMultiPoint
+            [simple CBusPointToPointToMultipointCommand command]
+        ]
+        ['PointToMultiPoint'        CBusCommandPointToMultiPoint
+            [simple CBusPointToMultiPointCommand        command]
+        ]
+        ['PointToPoint'             CBusCommandPointToPoint
+            [simple CBusPointToPointCommand             command]
+        ]
+    ]
+]
+
+[type CBusHeader
+    [simple   PriorityClass          priorityClass         ]
+    [reserved bit                    'false'               ] // Reserved for 
internal C-Bus management purposes
+    [reserved uint 2                 '0'                   ] // Reserved for 
internal C-Bus management purposes
+    [simple   DestinationAddressType destinationAddressType]
+]
+
+[discriminatedType CBusPointToPointCommand
+    [peek    uint 16     bridgeAddressCountPeek]
+    [virtual UnitAddress unitAddress           ]
+    [typeSwitch 'bridgeAddressCountPeek && 0x00FF'
+        ['0x0000' CBusPointToPointCommandDirect
+            [simple UnitAddress   unitAddress                                  
                ]
+        ]
+        [         CBusPointToPointCommandIndirect
+            [simple BridgeAddress firstBridgeAddress                           
                ]
+            [simple RouteType     routeType                                    
                ]
+            [array  BridgeAddress additionalBridgeAddresses count 
'routeType.additionalBridges']
+            [simple UnitAddress   unitAddress                                  
                ]
+        ]
+    ]
+
+]
+
+[enum uint 2 PriorityClass
+    ['0x00' Class4] // lowest
+    ['0x01' Class3] // medium low
+    ['0x02' Class2] // medium high
+    ['0x03' Class1] // highest
+]
+
+[enum uint 3 DestinationAddressType
+    ['0x03' PointToPointToMultiPoint] // P-P-M
+    ['0x05' PointToMultiPoint       ] // P-M
+    ['0x06' PointToPoint            ] // P-P
+]
+
+[enum uint 8 RouteType(uint 3 additionalBridges)
+    ['0x00' NoBridgeAtAll         ['0']]
+    ['0x09' NoAdditionalBridge    ['1']]
+    ['0x12' OneAdditionalBridge   ['2']]
+    ['0x1B' TwoAdditionalBridge   ['3']]
+    ['0x24' ThreeAdditionalBridge ['4']]
+    ['0x2D' FourAdditionalBridge  ['4']]
+    ['0x36' FiveAdditionalBridge  ['4']]
diff --git a/protocols/pom.xml b/protocols/pom.xml
index f2d94f6..f785374 100644
--- a/protocols/pom.xml
+++ b/protocols/pom.xml
@@ -36,6 +36,7 @@
   <modules>
     <module>ab-eth</module>
     <module>ads</module>
+    <module>c-bus</module>
     <module>bacnetip</module>
     <module>canopen</module>
     <module>df1</module>

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