add support for vzlogger

libs/libsml/Makefile

@@ -0,0 +1,50 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=libsml
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL=https://github.com/volkszaehler/libsml.git
+PKG_RELEASE:=1
+PKG_SOURCE_DATE:=2025-09-27
+PKG_SOURCE_VERSION:=9ff113e448efd1b14f871e556ce189a797032447
+
+PKG_MAINTAINER:=Andy Voigt <a.voigt@mailbox.org>
+PKG_LICENSE:=GPL-3.0-or-later
+PKG_LICENSE_FILES:=LICENSE
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/libsml
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=libsml
+  URL:=volkszaehler.org
+  DEPENDS:=+libuuid
+endef
+
+define Package/libsml/description
+  libSML is a library which implements the Smart Message Language (SML) protocol 
+  specified by VDE's Forum Netztechnik/Netzbetrieb (FNN). It can be utilized to 
+  communicate to FNN specified Smart Meters or Smart Meter components (EDL/MUC).
+endef
+
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR)/sml \
+		CC="$(TARGET_CC)" \
+		LD="$(TARGET_CROSS)ld"
+endef
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include
+	$(CP) -a $(PKG_BUILD_DIR)/sml/include/* $(1)/usr/include/
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_BUILD_DIR)/sml/lib/libsml.{a,so*} $(1)/usr/lib/
+	$(LN) libsml.so.$(PKG_VERSION) $(1)/usr/lib/libsml.so
+endef
+
+define Package/libsml/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_BUILD_DIR)/sml/lib/libsml.{a,so*} $(1)/usr/lib/
+	$(LN) libsml.so.$(PKG_VERSION) $(1)/usr/lib/libsml.so
+endef
+
+$(eval $(call BuildPackage,libsml))

utils/vzlogger/Makefile

@@ -0,0 +1,43 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=vzlogger
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL=https://github.com/volkszaehler/vzlogger.git
+PKG_RELEASE:=1
+PKG_SOURCE_DATE:=2025-10-06
+PKG_SOURCE_VERSION:=fdad271ea3884f1ee970a8b0b6c42451d93f20a4
+
+PKG_MAINTAINER:=Andy Voigt <a.voigt@mailbox.org>
+PKG_LICENSE:=GPL-3.0-or-later
+PKG_LICENSE_FILES:=COPYING
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+CMAKE_INSTALL:=1
+CMAKE_OPTIONS += \
+	-DBUILD_TEST:BOOL=OFF
+
+define Package/vzlogger
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=vzlogger
+  URL:=volkszaehler.org
+  DEPENDS:=+libmosquitto-ssl +libsml +libmicrohttpd-no-ssl +libcurl +libunistring +libsasl2 +libgcrypt +libgnutls +libstdcpp +libjson-c
+endef
+
+define Package/vzlogger/description
+  vzlogger is a tool to read values from sensors and smartmeters. 
+  It is used to collect data which can be forwarded to the volkszaehler.org Middleware 
+  or to an MQTT broker
+endef
+
+define Package/vzlogger/install
+	$(INSTALL_DIR) $(1)/usr/bin $(1)/etc/init.d $(1)/etc/config
+	$(CP) $(PKG_INSTALL_DIR)/usr/bin/vzlogger $(1)/usr/bin/
+	$(INSTALL_BIN) ./files/vzlogger.init $(1)/etc/init.d/vzlogger
+	$(INSTALL_CONF) ./files/vzlogger.conf $(1)/etc/config/vzlogger.conf
+endef
+
+$(eval $(call BuildPackage,vzlogger))
+

utils/vzlogger/files/vzlogger.conf

@@ -0,0 +1,29 @@
+{
+  "retry": 2,
+  "verbosity": 1,
+  "log": "/var/log/vzlogger.log",
+  "push": [],
+  "local": {
+    "enabled": true,
+    "port": 8080,
+    "index": true,
+    "timeout": 0,
+    "buffer": 0
+  },
+  "meters": [
+    {
+      "enabled": true,
+      "allowskip": false,
+      "interval": -1,
+      "aggtime": 10,
+      "aggfixedinterval": true,
+      "channels": [],
+      "protocol": "sml",
+      "device": "/dev/ttyUSB0",
+      "pullseq": "",
+      "baudrate": 9600,
+      "parity": "8n1",
+      "use_local_time": false
+    }
+  ]
+}

utils/vzlogger/files/vzlogger.init

@@ -0,0 +1,14 @@
+#!/bin/sh /etc/rc.common
+
+USE_PROCD=1
+
+START=95
+STOP=01
+
+start_service() {
+    procd_open_instance
+    procd_set_param command /usr/bin/vzlogger -c /etc/config/vzlogger.conf
+    procd_set_param stdout 1
+    procd_set_param stderr 1
+    procd_close_instance
+}

utils/vzlogger/patches/001-disable-werror.patch

@@ -0,0 +1,33 @@
+Index: vzlogger-2025-10-06-fdad271/modules/CompilerFlags.cmake
+===================================================================
+--- vzlogger-2022-08-20-fdad271.orig/modules/CompilerFlags.cmake
++++ vzlogger-2022-08-20-fdad271/modules/CompilerFlags.cmake
+@@ -8,7 +8,7 @@ if(NOT WIN32)
+     message(STATUS "using gcc compiler ${CMAKE_CXX_COMPILER_ID}")
+     include (CheckCXXSourceCompiles)
+
+-    set(CMAKE_CXX_FLAGS "$ENV{CXXFLAGS} -W -Wall -Wextra -Werror -Wnon-virtual-dtor -Wno-system-headers")
++    set(CMAKE_CXX_FLAGS "$ENV{CXXFLAGS} -W -Wall -Wextra -Wnon-virtual-dtor -Wno-system-headers")
+     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated")
+     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations")
+     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Winit-self -Wmissing-include-dirs -Wno-pragmas -Wredundant-decls")
+@@ -32,7 +32,7 @@ if(NOT WIN32)
+     # release flags
+     # Releases are made with the release build. Optimize code.
+     set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wno-unused-parameter")
+-    #set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Werror -Wno-non-virtual-dtor")
++    #set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wno-non-virtual-dtor")
+     set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wno-redundant-decls")
+     #set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wno-non-virtual-dtor")
+
+@@ -59,7 +59,7 @@ if(NOT WIN32)
+     set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_PROFILE} -ftest-coverage")
+
+     # Experimental
+-    set(CMAKE_CXX_FLAGS_EXPERIMENTAL "-O0 -pg -g -ggdb -Wall -Werror -W -Wshadow")
++    set(CMAKE_CXX_FLAGS_EXPERIMENTAL "-O0 -pg -g -ggdb -Wall -W -Wshadow")
+     set(CMAKE_CXX_FLAGS_EXPERIMENTAL "${CMAKE_CXX_FLAGS_EXPERIMENTAL} -Wunused-variable")
+     set(CMAKE_CXX_FLAGS_EXPERIMENTAL "${CMAKE_CXX_FLAGS_EXPERIMENTAL} -Wunused-parameter")
+     set(CMAKE_CXX_FLAGS_EXPERIMENTAL "${CMAKE_CXX_FLAGS_EXPERIMENTAL} -Wunused-function")
+-- 
+2.53.0

utils/vzlogger/patches/002-disable-optimization.patch

@@ -0,0 +1,18 @@
+Index: vzlogger-2022-08-20-fdad271/modules/CompilerFlags.cmake
+===================================================================
+--- vzlogger-2022-08-20-fdad271.orig/modules/CompilerFlags.cmake
++++ vzlogger-2022-08-20-fdad271/modules/CompilerFlags.cmake
+@@ -29,10 +29,10 @@ if(NOT WIN32)
+
+     # release flags
+     # Releases are made with the release build. Optimize code.
+-    set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wno-unused-parameter")
+-    #set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wno-non-virtual-dtor")
++    set(CMAKE_CXX_FLAGS_RELEASE "-Wno-unused-parameter")
++    #set(CMAKE_CXX_FLAGS_RELEASE "-Wno-non-virtual-dtor")
+     set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wno-redundant-decls")
+-    #set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wno-non-virtual-dtor")
++    #set(CMAKE_CXX_FLAGS_RELEASE "-Wno-non-virtual-dtor")
+
+     # debug flags
+     set(CMAKE_CXX_FLAGS_DEBUG