diff --git a/aqhome/ipc/data/0BUILD b/aqhome/ipc/data/0BUILD
new file mode 100644
index 0000000..f601838
--- /dev/null
+++ b/aqhome/ipc/data/0BUILD
@@ -0,0 +1,82 @@
+<?xml?>
+
+<gwbuild>
+
+  <target type="ConvenienceLibrary" name="aqhipcdata" >
+
+    <includes type="c" >
+      $(gwenhywfar_cflags)
+      -I$(topsrcdir)
+      -I$(topbuilddir)
+    </includes>
+  
+    <includes type="tm2" >
+      --include=$(builddir)
+      --include=$(srcdir)
+    </includes>
+
+
+    <define name="BUILDING_AQHOME" />
+
+    <setVar name="local/cflags">$(visibility_cflags)</setVar>
+
+  
+    <setVar name="tm2flags" >
+      --api=AQHOME_API
+    </setVar>
+
+    <setVar name="local/typefiles" >
+    </setVar>
+  
+    <setVar name="local/built_sources" >
+    </setVar>
+  
+    <setVar name="local/built_headers_pub">
+    </setVar>
+  
+  
+    <setVar name="local/built_headers_priv" >
+    </setVar>
+
+
+    <headers dist="false" install="$(pkgincludedir)/ipc" >
+      $(local/built_headers_pub)
+    </headers>
+  
+  
+    <headers dist="true" install="$(pkgincludedir)/ipc" >
+      ipc_data.h
+      msg_data_getvalues_rsp.c
+      msg_data_getvalues_rsp.h
+    </headers>
+
+
+    <headers dist="true" >
+    </headers>
+  
+  
+    <sources>
+      $(local/typefiles)
+
+      ipc_data.c
+      msg_data_getvalues_req.c
+      msg_data_getvalues_rsp.c
+    </sources>
+
+
+    <extradist>
+    </extradist>
+
+
+    <useTargets>
+    </useTargets>
+
+    <subdirs>
+    </subdirs>
+
+  
+  
+
+  </target>
+  
+</gwbuild>
diff --git a/aqhome/ipc/data/ipc_data.c b/aqhome/ipc/data/ipc_data.c
new file mode 100644
index 0000000..94f35cc
--- /dev/null
+++ b/aqhome/ipc/data/ipc_data.c
@@ -0,0 +1,16 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+
+#include <aqhome/ipc/data/ipc_data.h>
+
+
diff --git a/aqhome/ipc/data/ipc_data.h b/aqhome/ipc/data/ipc_data.h
new file mode 100644
index 0000000..fb7202d
--- /dev/null
+++ b/aqhome/ipc/data/ipc_data.h
@@ -0,0 +1,28 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQH_MSG_IPC_DATA_H
+#define AQH_MSG_IPC_DATA_H
+
+
+#include <aqhome/api.h>
+
+#include <gwenhywfar/msg_ipc.h>
+
+
+#define AQH_IPC_PROTOCOL_DATA_ID      1
+#define AQH_IPC_PROTOCOL_DATA_VERSION 1
+
+
+
+
+
+#endif
+
+
+
diff --git a/aqhome/ipc/data/msg_data_getvalues_req.c b/aqhome/ipc/data/msg_data_getvalues_req.c
new file mode 100644
index 0000000..fdc59a9
--- /dev/null
+++ b/aqhome/ipc/data/msg_data_getvalues_req.c
@@ -0,0 +1,52 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <aqhome/ipc/data/msg_data_getvalues_req.h>
+#include <aqhome/ipc/data/ipc_data.h>
+
+#include <gwenhywfar/msg.h>
+#include <gwenhywfar/buffer.h>
+
+#include <gwenhywfar/misc.h>
+#include <gwenhywfar/list.h>
+#include <gwenhywfar/error.h>
+#include <gwenhywfar/debug.h>
+#include <gwenhywfar/text.h>
+#include <gwenhywfar/msg_ipc.h>
+
+
+
+
+GWEN_MSG *AQH_GetValuesReqDataIpcMsg_new(uint16_t code)
+{
+  return GWEN_IpcMsg_new(AQH_IPC_PROTOCOL_DATA_ID, AQH_IPC_PROTOCOL_DATA_VERSION, code, 0, NULL);
+}
+
+
+
+void AQH_GetValuesReqDataIpcMsg_DumpToBuffer(const GWEN_MSG *msg, GWEN_BUFFER *dbuf, const char *sText)
+{
+  if (GWEN_Msg_GetBytesInBuffer(msg)>=GWEN_MSGIPC_OFFS_PAYLOAD) {
+    GWEN_Buffer_AppendArgs(dbuf,
+                           "GETVALUESREQ (code=%d, proto=%d, proto version=%d)\n",
+                           GWEN_IpcMsg_GetCode(msg),
+                           GWEN_IpcMsg_GetProtoId(msg),
+                           GWEN_IpcMsg_GetProtoVersion(msg));
+  }
+}
+
+
+
+
+
+
+
diff --git a/aqhome/ipc/data/msg_data_getvalues_req.h b/aqhome/ipc/data/msg_data_getvalues_req.h
new file mode 100644
index 0000000..7395bcd
--- /dev/null
+++ b/aqhome/ipc/data/msg_data_getvalues_req.h
@@ -0,0 +1,28 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQH_MSG_IPC_DATA_GETVALUES_REQ_H
+#define AQH_MSG_IPC_DATA_GETVALUES_REQ_H
+
+
+#include <aqhome/api.h>
+
+#include <gwenhywfar/msg_ipc.h>
+
+
+
+AQHOME_API GWEN_MSG *AQH_GetValuesReqDataIpcMsg_new(uint16_t code);
+
+
+
+
+
+#endif
+
+
+
diff --git a/aqhome/ipc/data/msg_data_getvalues_rsp.c b/aqhome/ipc/data/msg_data_getvalues_rsp.c
new file mode 100644
index 0000000..a31273d
--- /dev/null
+++ b/aqhome/ipc/data/msg_data_getvalues_rsp.c
@@ -0,0 +1,210 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <aqhome/ipc/data/msg_data_getvalues_rsp.h>
+#include <aqhome/ipc/data/ipc_data.h>
+
+#include <gwenhywfar/msg.h>
+#include <gwenhywfar/buffer.h>
+
+#include <gwenhywfar/debug.h>
+#include <gwenhywfar/msg_ipc.h>
+
+#include <string.h>
+
+
+#define AQH_MSGDATA_GETVALUES_RSP_OFFS_FLAGS         0   /* 4 bytes */
+#define AQH_MSGDATA_GETVALUES_RSP_OFFS_NUMVALUES     4   /* 4 bytes */
+
+#define AQH_MSGDATA_GETVALUES_RSP_OFFS_VALUES        8   /* 8 byte */
+
+
+#define AQH_MSGDATA_GETVALUES_RSP_VALUES_OFFS_ID      0     /* 8 byte */
+#define AQH_MSGDATA_GETVALUES_RSP_VALUES_OFFS_NAME    8     /* 104 byte */
+#  define AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_NAME  104   /* 104 byte */
+#define AQH_MSGDATA_GETVALUES_RSP_VALUES_OFFS_UNITS   112   /* 16 bytes */
+#  define AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_UNITS 16
+#define AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE         128
+
+
+#define AQH_MSGDATA_GETVALUES_RSP_MINSIZE (GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGDATA_GETVALUES_RSP_OFFS_VALUES)
+
+
+
+
+GWEN_MSG *AQH_GetValuesRspDataIpcMsg_new(uint16_t code, uint32_t flags, const AQH_VALUE_LIST *valueList)
+{
+  GWEN_MSG *msg;
+  uint8_t *ptr;
+  int count;
+  int payloadSize;
+
+  count=AQH_Value_List_GetCount(valueList);
+  payloadSize=AQH_MSGDATA_GETVALUES_RSP_OFFS_VALUES+(count*AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE);
+
+  msg=GWEN_IpcMsg_new(AQH_IPC_PROTOCOL_DATA_ID, AQH_IPC_PROTOCOL_DATA_VERSION, code, payloadSize, NULL);
+  ptr=GWEN_Msg_GetBuffer(msg)+GWEN_MSGIPC_OFFS_PAYLOAD;
+  *(ptr++)=flags & 0xff;
+  *(ptr++)=(flags>>8) & 0xff;
+  *(ptr++)=(flags>>16) & 0xff;
+  *(ptr++)=(flags>>24) & 0xff;
+
+  *(ptr++)=count & 0xff;
+  *(ptr++)=(count>>8) & 0xff;
+  *(ptr++)=(count>>16) & 0xff;
+  *(ptr++)=(count>>24) & 0xff;
+
+  if (count>0) {
+    const AQH_VALUE *value;
+
+    value=AQH_Value_List_First(valueList);
+    while(value) {
+      uint64_t i64;
+      const char *name;
+      const char *units;
+
+      i64=AQH_Value_GetId(value);
+      name=AQH_Value_GetName(value);
+      units=AQH_Value_GetValueUnits(value);
+
+      *(ptr++)=i64 & 0xff;
+      *(ptr++)=(i64>>8) & 0xff;
+      *(ptr++)=(i64>>16) & 0xff;
+      *(ptr++)=(i64>>24) & 0xff;
+      *(ptr++)=(i64>>32) & 0xff;
+      *(ptr++)=(i64>>40) & 0xff;
+      *(ptr++)=(i64>>48) & 0xff;
+      *(ptr++)=(i64>>56) & 0xff;
+      if (name) {
+        strncpy((char*) ptr, name, AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_NAME-1);
+        ptr[AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_NAME-1]=0;
+      }
+      else
+        memset(ptr, 0, AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_NAME);
+      ptr+=AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_NAME;
+
+      if (units) {
+        strncpy((char*) ptr, units, AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_UNITS-1);
+        ptr[AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_UNITS-1]=0;
+      }
+      else
+        memset(ptr, 0, AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_UNITS);
+      ptr+=AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_UNITS;
+
+      value=AQH_Value_List_Next(value);
+    }
+  }
+  return msg;
+}
+
+
+
+uint32_t AQH_GetValuesRspDataIpcMsg_GetFlags(const GWEN_MSG *msg)
+{
+  return GWEN_Msg_GetUint32At(msg, GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGDATA_GETVALUES_RSP_OFFS_FLAGS, 0);
+}
+
+
+
+uint32_t AQH_GetValuesRspDataIpcMsg_GetNumValues(const GWEN_MSG *msg)
+{
+  return GWEN_Msg_GetUint32At(msg, GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGDATA_GETVALUES_RSP_OFFS_NUMVALUES, 0);
+}
+
+
+
+uint8_t AQH_GetValuesRspDataIpcMsg_GetValueId(const GWEN_MSG *msg, int idx)
+{
+  uint32_t pos;
+
+  pos=
+    AQH_MSGDATA_GETVALUES_RSP_OFFS_VALUES+
+    (idx*AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE)+
+    AQH_MSGDATA_GETVALUES_RSP_VALUES_OFFS_ID;
+  return GWEN_Msg_GetUint64At(msg, GWEN_MSGIPC_OFFS_PAYLOAD+pos, 0);
+}
+
+
+
+const char *AQH_GetValuesRspDataIpcMsg_GetValueName(const GWEN_MSG *msg, int idx)
+{
+  uint32_t pos;
+
+  pos=
+    AQH_MSGDATA_GETVALUES_RSP_OFFS_VALUES+
+    (idx*AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE)+
+    AQH_MSGDATA_GETVALUES_RSP_VALUES_OFFS_NAME;
+
+  if (GWEN_Msg_GetBytesInBuffer(msg)>=pos+GWEN_MSGIPC_OFFS_PAYLOAD)
+    return (const char*) (GWEN_Msg_GetConstBuffer(msg)+GWEN_MSGIPC_OFFS_PAYLOAD+pos);
+  return NULL;
+}
+
+
+
+int AQH_GetValuesRspDataIpcMsg_IsValid(const GWEN_MSG *msg)
+{
+  int msgLen;
+  int numValues;
+  const uint8_t *ptr;
+  int i;
+
+  msgLen=GWEN_Msg_GetBytesInBuffer(msg);
+  if (msgLen<AQH_MSGDATA_GETVALUES_RSP_MINSIZE) {
+    DBG_ERROR(AQH_LOGDOMAIN, "Message too small (%d<%d)", GWEN_Msg_GetBytesInBuffer(msg), AQH_MSGDATA_GETVALUES_RSP_MINSIZE);
+    return 0;
+  }
+
+  numValues=(int)AQH_GetValuesRspDataIpcMsg_GetNumValues(msg);
+  if (msgLen<(numValues*AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE)+AQH_MSGDATA_GETVALUES_RSP_OFFS_VALUES+GWEN_MSGIPC_OFFS_PAYLOAD) {
+    DBG_ERROR(AQH_LOGDOMAIN, "Message too small to contain %d values", numValues);
+    return 0;
+  }
+
+  ptr=GWEN_Msg_GetConstBuffer(msg)+GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGDATA_GETVALUES_RSP_OFFS_VALUES;
+  for (i=0; i<numValues; i++) {
+    if (ptr[AQH_MSGDATA_GETVALUES_RSP_VALUES_OFFS_NAME+AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_NAME-1]!=0) {
+      DBG_ERROR(AQH_LOGDOMAIN, "Name string for value %d is not null-terminated", i);
+      return 0;
+    }
+
+    if (ptr[AQH_MSGDATA_GETVALUES_RSP_VALUES_OFFS_UNITS+AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE_UNITS-1]!=0) {
+      DBG_ERROR(AQH_LOGDOMAIN, "Units string for value %d is not null-terminated", i);
+      return 0;
+    }
+    ptr+=AQH_MSGDATA_GETVALUES_RSP_VALUES_SIZE;
+  }
+
+  return 1;
+}
+
+
+
+void AQH_GetValuesRspDataIpcMsg_DumpToBuffer(const GWEN_MSG *msg, GWEN_BUFFER *dbuf, const char *sText)
+{
+  if (GWEN_Msg_GetBytesInBuffer(msg)>=AQH_MSGDATA_GETVALUES_RSP_MINSIZE) {
+    GWEN_Buffer_AppendArgs(dbuf,
+                           "GETVALUESRSP (code=%d, proto=%d, proto version=%d, flags=0x%08x, values=%d)\n",
+                           GWEN_IpcMsg_GetCode(msg),
+                           GWEN_IpcMsg_GetProtoId(msg),
+                           GWEN_IpcMsg_GetProtoVersion(msg),
+                           (unsigned int)AQH_GetValuesRspDataIpcMsg_GetFlags(msg),
+                           AQH_GetValuesRspDataIpcMsg_GetNumValues(msg));
+  }
+}
+
+
+
+
+
+
+
diff --git a/aqhome/ipc/data/msg_data_getvalues_rsp.h b/aqhome/ipc/data/msg_data_getvalues_rsp.h
new file mode 100644
index 0000000..5c4c587
--- /dev/null
+++ b/aqhome/ipc/data/msg_data_getvalues_rsp.h
@@ -0,0 +1,42 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQH_MSG_IPC_DATA_GETVALUES_RSP_H
+#define AQH_MSG_IPC_DATA_GETVALUES_RSP_H
+
+
+#include <aqhome/api.h>
+
+#include <aqhome/data/value.h>
+
+#include <gwenhywfar/msg_ipc.h>
+
+
+#define AQH_MSGDATA_GETVALUES_RSP_FLAGS_LASTMSG 0x0001
+
+
+AQHOME_API GWEN_MSG *AQH_GetValuesRspDataIpcMsg_new(uint16_t code, uint32_t flags, const AQH_VALUE_LIST *valueList);
+AQHOME_API uint32_t AQH_GetValuesRspDataIpcMsg_GetFlags(const GWEN_MSG *msg);
+AQHOME_API uint32_t AQH_GetValuesRspDataIpcMsg_GetNumValues(const GWEN_MSG *msg);
+
+AQHOME_API uint8_t AQH_GetValuesRspDataIpcMsg_GetValueId(const GWEN_MSG *msg, int idx);
+AQHOME_API const char *AQH_GetValuesRspDataIpcMsg_GetValueName(const GWEN_MSG *msg, int idx);
+
+AQHOME_API int AQH_GetValuesRspDataIpcMsg_IsValid(const GWEN_MSG *msg);
+AQHOME_API void AQH_GetValuesRspDataIpcMsg_DumpToBuffer(const GWEN_MSG *msg, GWEN_BUFFER *dbuf, const char *sText);
+
+
+
+
+
+
+
+#endif
+
+
+