Make LUA works

- Added LUA library at link
- Make app-template crash build if a checked file fails
- Fix old defined variable CONTROL_LUA_PATH to a default
one in the binding data directory
- Add an example with unit conversion made in LUA

Change-Id: I1b4712bde32a38044ad6b14ebd38b6782fd01fe9
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 74 insertions, 0 deletions

diff --git a/conf.d/project/lua.d/init-daemon-10-event.lua b/conf.d/project/lua.d/init-daemon-10-event.lua
new file mode 100644
index 0000000..474ebe0
--- /dev/null
+++ b/conf.d/project/lua.d/init-daemon-10-event.lua
@@ -0,0 +1,74 @@
+--[[
+  Copyright (C) 2016 "IoT.bzh"
+  Author Fulup Ar Foll <fulup@iot.bzh>
+
+  Licensed 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.
+
+
+  Provide Sample Timer Handing to push event from LUA
+--]]
+
+-- Create event on Lua script load
+_MyContext={}
+
+-- WARNING: call back are global and should start with '_'
+function _Timer_Test_CB (timer, context)
+
+   local evtinfo= AFB:timerget(timer)
+   printf ("[-- _Timer_Test_C --] evtInfo=%s", Dump_Table(evtinfo))
+
+   --send an event an event with count as value
+   AFB:evtpush (_MyContext["event"], {["label"]= evtinfo["label"], ["count"]=evtinfo["count"], ["info"]=context["info"]})
+
+   -- note when timerCB return!=0 timer is kill
+   return 0
+
+end
+
+-- sendback event depending on count and delay
+function _Simple_Timer_Test (request, client)
+
+    local context = {
+        ["info"]="My 1st private Event",
+    }
+
+    -- if event does not exit create it now.
+    if (_MyContext["event"] == nil) then
+      _MyContext["event"]= AFB:evtmake(client["label"])
+    end
+
+    -- if delay not defined default is 5s
+    if (client["delay"]==nil) then client["delay"]=5000 end
+
+    -- if count is not defined default is 10
+    if (client["count"]==nil) then client["count"]=10 end
+
+    -- we could use directly client but it is a sample
+    local myTimer = {
+       ["label"]=client["label"],
+       ["delay"]=client["delay"],
+       ["count"]=client["count"],
+    }
+    AFB:notice ("Test_Timer myTimer=%s", myTimer)
+
+    -- subscribe to event
+    AFB:subscribe (request, _MyContext["event"])
+
+    -- settimer take a table with delay+count as input (count==0 means infinite)
+    AFB:timerset (myTimer, "_Timer_Test_CB", context)
+
+    -- nothing special to return send back
+    AFB:success (request, myTimer)
+
+    return 0
+end