-- -- RTU: Remote Terminal Unit -- os.loadAPI("scada-common/log.lua") os.loadAPI("scada-common/util.lua") os.loadAPI("scada-common/ppm.lua") os.loadAPI("scada-common/comms.lua") os.loadAPI("scada-common/mqueue.lua") os.loadAPI("scada-common/modbus.lua") os.loadAPI("scada-common/rsio.lua") os.loadAPI("config.lua") os.loadAPI("rtu.lua") os.loadAPI("threads.lua") os.loadAPI("dev/redstone_rtu.lua") os.loadAPI("dev/boiler_rtu.lua") os.loadAPI("dev/imatrix_rtu.lua") os.loadAPI("dev/turbine_rtu.lua") local RTU_VERSION = "alpha-v0.4.9" local print = util.print local println = util.println local print_ts = util.print_ts local println_ts = util.println_ts log.init("/log.txt", log.MODE.APPEND) log._info("========================================") log._info("BOOTING rtu.startup " .. RTU_VERSION) log._info("========================================") println(">> RTU " .. RTU_VERSION .. " <<") ---------------------------------------- -- startup ---------------------------------------- -- mount connected devices ppm.mount_all() local __shared_memory = { -- RTU system state flags rtu_state = { linked = false, shutdown = false }, -- core RTU devices rtu_dev = { modem = ppm.get_wireless_modem() }, -- system objects rtu_sys = { rtu_comms = nil, conn_watchdog = nil, units = {} }, -- message queues q = { mq_comms = mqueue.new() } } local smem_dev = __shared_memory.rtu_dev local smem_sys = __shared_memory.rtu_sys -- get modem if smem_dev.modem == nil then println("boot> wireless modem not found") log._warning("no wireless modem on startup") return end smem_sys.rtu_comms = rtu.rtu_comms(smem_dev.modem, config.LISTEN_PORT, config.SERVER_PORT) ---------------------------------------- -- interpret config and init units ---------------------------------------- local units = __shared_memory.rtu_sys.units local rtu_redstone = config.RTU_REDSTONE local rtu_devices = config.RTU_DEVICES -- redstone interfaces for reactor_idx = 1, #rtu_redstone do local rs_rtu = redstone_rtu.new() local io_table = rtu_redstone[reactor_idx].io local capabilities = {} log._debug("init> starting redstone RTU I/O linking for reactor " .. rtu_redstone[reactor_idx].for_reactor .. "...") for i = 1, #io_table do local valid = false local conf = io_table[i] -- verify configuration if rsio.is_valid_channel(conf.channel) and rsio.is_valid_side(conf.side) then if conf.bundled_color then valid = rsio.is_color(conf.bundled_color) else valid = true end end if not valid then local message = "init> invalid redstone definition at index " .. i .. " in definition block #" .. reactor_idx .. " (for reactor " .. rtu_redstone[reactor_idx].for_reactor .. ")" println_ts(message) log._warning(message) else -- link redstone in RTU local mode = rsio.get_io_mode(conf.channel) if mode == rsio.IO_MODE.DIGITAL_IN then rs_rtu.link_di(conf.channel, conf.side, conf.bundled_color) elseif mode == rsio.IO_MODE.DIGITAL_OUT then rs_rtu.link_do(conf.channel, conf.side, conf.bundled_color) elseif mode == rsio.IO_MODE.ANALOG_IN then rs_rtu.link_ai(conf.channel, conf.side) elseif mode == rsio.IO_MODE.ANALOG_OUT then rs_rtu.link_ao(conf.channel, conf.side) else -- should be unreachable code, we already validated channels log._error("init> fell through if chain attempting to identify IO mode", true) break end table.insert(capabilities, conf.channel) log._debug("init> linked redstone " .. #capabilities .. ": " .. rsio.to_string(conf.channel) .. " (" .. conf.side .. ") for reactor " .. rtu_redstone[reactor_idx].for_reactor) end end table.insert(units, { name = "redstone_io", type = "redstone", index = 1, reactor = rtu_redstone[reactor_idx].for_reactor, device = capabilities, -- use device field for redstone channels rtu = rs_rtu, modbus_io = modbus.new(rs_rtu), modbus_busy = false, pkt_queue = nil, thread = nil }) log._debug("init> initialized RTU unit #" .. #units .. ": redstone_io (redstone) [1] for reactor " .. rtu_redstone[reactor_idx].for_reactor) end -- mounted peripherals for i = 1, #rtu_devices do local device = ppm.get_periph(rtu_devices[i].name) if device == nil then local message = "init> '" .. rtu_devices[i].name .. "' not found" println_ts(message) log._warning(message) else local type = ppm.get_type(rtu_devices[i].name) local rtu_iface = nil local rtu_type = "" if type == "boiler" then -- boiler multiblock rtu_type = "boiler" rtu_iface = boiler_rtu.new(device) elseif type == "turbine" then -- turbine multiblock rtu_type = "turbine" rtu_iface = turbine_rtu.new(device) elseif type == "mekanismMachine" then -- assumed to be an induction matrix multiblock rtu_type = "imatrix" rtu_iface = imatrix_rtu.new(device) else local message = "init> device '" .. rtu_devices[i].name .. "' is not a known type (" .. type .. ")" println_ts(message) log._warning(message) end if rtu_iface ~= nil then local rtu_unit = { name = rtu_devices[i].name, type = rtu_type, index = rtu_devices[i].index, reactor = rtu_devices[i].for_reactor, device = device, rtu = rtu_iface, modbus_io = modbus.new(rtu_iface), modbus_busy = false, pkt_queue = mqueue.new(), thread = nil } rtu_unit.thread = threads.thread__unit_comms(__shared_memory, rtu_unit) table.insert(units, rtu_unit) log._debug("init> initialized RTU unit #" .. #units .. ": " .. rtu_devices[i].name .. " (" .. rtu_type .. ") [" .. rtu_devices[i].index .. "] for reactor " .. rtu_devices[i].for_reactor) end end end ---------------------------------------- -- start system ---------------------------------------- -- init threads local main_thread = threads.thread__main(__shared_memory) local comms_thread = threads.thread__comms(__shared_memory) -- start connection watchdog smem_sys.conn_watchdog = util.new_watchdog(5) log._debug("init> conn watchdog started") -- assemble thread list local _threads = { main_thread.exec, comms_thread.exec } for i = 1, #units do if units[i].thread ~= nil then table.insert(_threads, units[i].thread.exec) end end -- run threads parallel.waitForAll(table.unpack(_threads)) println_ts("exited") log._info("exited")