mbusd: add mbusd

Mbusd is open-source Modbus TCP to Modbus RTU (RS-232/485) gateway.

Signed-off-by: Marcin Jurkowski <marcin1j@gmail.com>

diff --git a/net/mbusd/Makefile b/net/mbusd/Makefile
new file mode 100644 (file)
index 0000000..72e4ca6
--- /dev/null
+++ b/net/mbusd/Makefile
@@ -0,0 +1,46 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=mbusd
+PKG_VERSION:=0.4.0
+PKG_RELEASE:=1
+
+PKG_SOURCE_URL:=https://codeload.github.com/3cky/mbusd/tar.gz/v$(PKG_VERSION)?
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_HASH:=8458afc455a28c8f798cadd3982f9e03496a494a2269e31e8255a6ca273a6898
+
+PKG_LICENSE:=BSD-3-Clause
+PKG_LICENSE_FILES:=LICENSE
+
+PKG_MAINTAINER:=Marcin Jurkowski <marcin1j@gmail.com>
+
+PKG_BUILD_PARALLEL:=1
+PKG_INSTALL:=1
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/mbusd
+       SECTION:=net
+       CATEGORY:=Network
+       TITLE:=Modbus TCP gateway
+       URL:=https://github.com/3cky/mbusd
+endef
+
+define Package/mbusd/description
+Mbusd is open-source Modbus TCP to Modbus RTU (RS-232/485) gateway.
+It presents a network of RTU slaves as single TCP slave.
+
+That is a TCP-Slave (or server) which acts as a RTU-master to get
+data from Modbus RTU-slave devices.
+endef
+
+define Package/mbusd/install
+       $(INSTALL_DIR) $(1)/usr/bin
+       $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/mbusd $(1)/usr/bin
+       $(INSTALL_DIR) $(1)/etc/config
+       $(INSTALL_DATA) ./files/mbusd.conf $(1)/etc/config/mbusd
+       $(INSTALL_DIR) $(1)/etc/init.d
+       $(INSTALL_BIN) ./files/mbusd.init $(1)/etc/init.d/mbusd
+endef
+
+$(eval $(call BuildPackage,mbusd))

diff --git a/net/mbusd/files/mbusd.conf b/net/mbusd/files/mbusd.conf
new file mode 100644 (file)
index 0000000..ea4e2ed
--- /dev/null
+++ b/net/mbusd/files/mbusd.conf
@@ -0,0 +1,17 @@
+config mbusd
+       option enabled 0
+       option port 502
+       option loglevel 2
+
+       #option max_connections 32
+       #option timeout 60
+
+       option device '/dev/ttyUSB0'
+       option speed 19200
+       option databits 8
+       option parity 0
+       option stopbits 2
+       option rts 0
+
+       #option rtu_retries 3
+       #option rtu_wait 500

diff --git a/net/mbusd/files/mbusd.init b/net/mbusd/files/mbusd.init
new file mode 100644 (file)
index 0000000..3699fbe
--- /dev/null
+++ b/net/mbusd/files/mbusd.init
@@ -0,0 +1,68 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2019 OpenWrt.org
+
+START=90
+USE_PROCD=1
+NAME=mbusd
+
+
+mbusd_instance() {
+       [ "$2" = 0 ] || {
+               echo "Validation failed"
+               return 1
+       }
+       [ "$enabled" -gt 0 ] || return 1
+
+
+       [ "$parity" = 0 ] && parity=n || parity=y
+       [ "$rts" = 0 ] && rts=
+
+
+       procd_open_instance mbusd-$port
+       procd_set_param command /usr/bin/mbusd \
+               -d \
+               -L - \
+               -P $port \
+               -v $loglevel \
+               ${max_connections:+-C $max_connections} \
+               ${timeout:+-T $timeout} \
+               -p $device \
+               -s $speed \
+               -m ${databits}${parity}${stopbits} \
+               ${rts:+-t} \
+               ${rtu_retries:+-N $rtu_retries} \
+               ${rtu_wait:+-W $rtu_wait}
+
+       procd_set_param stdout 1
+       procd_set_param stderr 1
+       procd_set_param respawn
+
+       procd_close_instance
+}
+
+validate_section_mbusd() {
+       uci_load_validate mbusd mbusd "$1" "$2" \
+               'enabled:bool:1' \
+               'port:port:502' \
+               'loglevel:uinteger:2' \
+               'max_connections:uinteger' \
+               'timeout:uinteger' \
+               'device:string' \
+               'speed:uinteger' \
+               'databits:uinteger' \
+               'parity:bool' \
+               'stopbits:uinteger' \
+               'rts:bool:0' \
+               'rtu_retries:uinteger' \
+               'rtu_wait:uinteger'
+}
+
+start_service() {
+       config_load "$NAME"
+       config_foreach validate_section_mbusd mbusd mbusd_instance
+}
+
+service_triggers() {
+       procd_add_reload_trigger "$NAME"
+       procd_add_validation validate_section_mbusd
+}