diff options
Diffstat (limited to 'conf.d/project/lua.d')
| -rw-r--r-- | conf.d/project/lua.d/doscript-helloworld.lua | 2 | ||||
| -rw-r--r-- | conf.d/project/lua.d/onload-audio-0utils.lua | 86 | ||||
| -rw-r--r-- | conf.d/project/lua.d/onload-audio-controls.lua | 159 | ||||
| -rw-r--r-- | conf.d/project/lua.d/onload-audio-oncall.lua | 16 | ||||
| -rw-r--r-- | conf.d/project/lua.d/onload-audio-timer.lua | 10 | ||||
| -rw-r--r-- | conf.d/project/lua.d/onload-audio-utils.lua | 32 |
6 files changed, 223 insertions, 82 deletions
diff --git a/conf.d/project/lua.d/doscript-helloworld.lua b/conf.d/project/lua.d/doscript-helloworld.lua index 64bc94a..a06c3db 100644 --- a/conf.d/project/lua.d/doscript-helloworld.lua +++ b/conf.d/project/lua.d/doscript-helloworld.lua @@ -21,7 +21,7 @@ --]] -function helloworld (request, query) +local function helloworld (request, query) AFB:notice ("LUA HelloWorld: Simple test query=%s", query); diff --git a/conf.d/project/lua.d/onload-audio-0utils.lua b/conf.d/project/lua.d/onload-audio-0utils.lua new file mode 100644 index 0000000..b8ecd7e --- /dev/null +++ b/conf.d/project/lua.d/onload-audio-0utils.lua @@ -0,0 +1,86 @@ +--[[ + 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. + + Note: this file should be called before any other to assert declare function + is loaded before anything else. + + References: + http://lua-users.org/wiki/DetectingUndefinedVariables + +--]] + + +--=================================================== +--= Niklas Frykholm +-- basically if user tries to create global variable +-- the system will not let them!! +-- call GLOBAL_lock(_G) +-- +--=================================================== +function GLOBAL_lock(t) + local mt = getmetatable(t) or {} + mt.__newindex = lock_new_index + setmetatable(t, mt) +end + +--=================================================== +-- call GLOBAL_unlock(_G) +-- to change things back to normal. +--=================================================== +function GLOBAL_unlock(t) + local mt = getmetatable(t) or {} + mt.__newindex = unlock_new_index + setmetatable(t, mt) +end + +function lock_new_index(t, k, v) + if (string.sub(k,1,1) ~= "_") then + GLOBAL_unlock(_G) + error("GLOBALS are locked -- " .. k .. + " must be declared local or prefix with '_' for globals.", 2) + else + rawset(t, k, v) + end +end + +function unlock_new_index(t, k, v) + rawset(t, k, v) +end + +-- return serialised version of printable table +function Dump_Table(o) + if type(o) == 'table' then + local s = '{ ' + for k,v in pairs(o) do + if type(k) ~= 'number' then k = '"'..k..'"' end + s = s .. '['..k..'] = ' .. Dump_Table(v) .. ',' + end + return s .. '} ' + else + return tostring(o) + end +end + + +-- simulate C prinf function +printf = function(s,...) + io.write(s:format(...)) + io.write("\n") + return +end + +-- lock global variable +GLOBAL_lock(_G) diff --git a/conf.d/project/lua.d/onload-audio-controls.lua b/conf.d/project/lua.d/onload-audio-controls.lua index 4849632..24c4f71 100644 --- a/conf.d/project/lua.d/onload-audio-controls.lua +++ b/conf.d/project/lua.d/onload-audio-controls.lua @@ -18,54 +18,145 @@ Provide sample policy function for AGL Advance Audio Agent --]] -function Audio_Init_CB (status, result, context) - print ("--inlua:Audio_Init_CB-- result=", Dump_Table(result)) - print ("--inlua:Audio_Init_CB-- context=", Dump_Table(context)) - - AFB:notice("Audio_Init_Hal_CB result='%s' context='%s'", result, context) +-- Global HAL registry +_Audio_Hal_Registry={} + +-- Callback when receiving HAL registry +function _Alsa_Get_Hal_CB (error, result, context) + -- Initialise an empty table + local registry={} + + -- Only process when response is valid + if (error) then + AFB_ErrOr ("[Audio_Init_CB] ErrOr result=%s", result) + return + end + + -- Extract response from result + local response=result["response"] + + -- Index HAL Bindings APIs by shortname + for key,value in pairs(response) do + registry[value["shortname"]]=value["api"] + end + + -- store Exiting HAL for further use + printf ("-- [Audio_Init_CB] -- Audio_register_Hal=%s", Dump_Table(registry)) + _Audio_Hal_Registry=registry end -- Function call at binding load time -function Audio_Init_Hal(args, query) +function _Alsa_Get_Hal(args) - local nested = { - ["next1"]=1234, - ["next2"]="nested", - ["next3"]=9999, - } - local context = { - ["arg1"]=1234, - ["arg2"]=nested, - ["arg3"]=5678, - } + printf ("[-- Audio_Get_Hal --] args=%s", Dump_Table(argsT)) + + -- Query AlsaCore for Active HALs (no query, no context) + AFB:service ('alsacore', 'hallist', {}, "_Alsa_Get_Hal_CB", {}) + +end - print ("--inlua:Audio_Init-- response=", Dump_Table(responseT)) +-- In sample configuration Query/Args parsing is common to all audio control +local function Audio_Parse_Request (source, args, query) - print("myplug=", Dump_Table(MyPlug)); + local apihal={} - -- This routine is defined in C sample plugin - local status=MyPlug:Lua2cHelloWorld1(nested) - - -- query asynchronously loaded HAL - AFB:service ('alsacore', 'hallist', {}, "Audio_Init_CB", context) - + -- In this test we expect targeted device to be given from query (could come for args as well) + if (query == nil ) then + AFB:error ("--LUA:Audio_Set_Navigation query should contain and args with targeted apihal|device") + return -- refuse control + end + + -- Alsa Hook plugin asound sample config provides target sound card by name + if (query["device"] ~= nil) then + apihal=_Audio_Hal_Registry[query["device"]] + end + + -- HTML5 test page provides directly HAL api. + if (query["apihal"] ~= nil) then + apihal= query["apihal"] + end + + -- if requested HAL is not found then deny the control + if (apihal == nil) then + AFB:error ("--LUA:Audio_Set_Navigation No Active HAL Found") + return -- refuse control + end + + -- return api or nil when not found + return apihal end -function Audio_Set_Navigation(args, query) +-- Set Navigation lower sound when play +function _Audio_Set_Navigation(source, args, query) + + -- in strict mode every variables should be declared + local err=0 + local ctlhal={} + local response={} + local apihal={} + + AFB:notice ("LUA:Audio_Set_Use_Case source=%d args=%s query=%s", source, args, query); + + -- Parse Query/Args and if HAL not found then refuse access + apihal= Audio_Parse_Request (source, args, query) + if (apihal == nil) then return 1 end + - AFB:notice ("LUA:Audio_Set_Use_Case args=%s query=%s", args, query); + -- if source < 0 then Alsa HookPlugin is closing PCM + if (source < 0) then + -- Ramp Up Multimedia channel synchronously + ctlhal={['label']='Master_Playback_Volume', ['val']=100} + err, response= AFB:servsync (apihal, 'ctlset',ctlhal) + else + -- Ramp Down Multimedia channel synchronously + ctlhal={['label']='Master_Playback_Volume', ['val']=50} + err, response= AFB:servsync (apihal, 'ctlset',ctlhal) + end - -- synchronous call to alsacore service - local error,data= AFB:callsync ('alsacore', 'ping', {}) - if (error) then - AFB:error ("LUA:Audio_Set_Use_Case FAIL args=%s", args) - else - AFB:notice ("--LUA:Audio_Set_Use_Case DONE args=%s response=%s", args, data["response"]) + if (err) then + AFB:error("--LUA:Audio_Set_Navigation halapi=%s refuse ctl=%s", apihal, ctlhal) + return 1 -- control refused end - -- return OK - return 0 + + return 0 -- control accepted end +-- Select Multimedia mode +function _Audio_Set_Multimedia (source, args, query) + + -- in strict mode every variables should be declared + local err=0 + local ctlhal={} + local response={} + local apihal={} + + AFB:notice ("LUA:Audio_Set_Use_Case source=%d args=%s query=%s", source, args, query); + + -- Parse Query/Args and if HAL not found then refuse access + apihal= Audio_Parse_Request (source, args, query) + if (apihal == nil) then return 1 end + + + -- if Mumtimedia control only increase volume on open + if (source >= 0) then + -- Ramp Down Multimedia channel synchronously + ctlhal={['label']='Master_Playback_Volume', ['val']=100} + err, response= AFB:servsync (apihal, 'ctlset',ctlhal) + end + + if (err) then + AFB:error("--LUA:Audio_Set_Navigation halapi=%s refuse ctl=%s", apihal, ctlhal) + return 1 -- control refused + end + + + return 0 -- control accepted +end + +-- Select Emergency Mode +function _Audio_Set_Emergency(source, args, query) + return 1 -- Always refuse in this test +end diff --git a/conf.d/project/lua.d/onload-audio-oncall.lua b/conf.d/project/lua.d/onload-audio-oncall.lua index 08b25e5..23b538e 100644 --- a/conf.d/project/lua.d/onload-audio-oncall.lua +++ b/conf.d/project/lua.d/onload-audio-oncall.lua @@ -18,18 +18,18 @@ Provide sample LUA routines to be used with AGL control "lua_docall" API --]] --- global counter to keep track of calls -count=0 +--global counter to keep track of calls +_count=0 -- Display receive arguments and echo them to caller -function Simple_Echo_Args (request, args) - count=count+1 +function _Simple_Echo_Args (request, args) + _count=_count+1 AFB:notice("LUA OnCall Echo Args count=%d args=%s", count, args) print ("--inlua-- args=", Dump_Table(args)) local response={ - ["count"]=count, + ["count"]=_count, ["args"]=args, } @@ -37,7 +37,7 @@ function Simple_Echo_Args (request, args) AFB:success (request, {["func"]="Simple_Echo_Args", ["ret1"]=5678, ["ret2"]="abcd"}) end -function Test_Async_CB (request, result, context) +local function Test_Async_CB (request, result, context) response={ ["result"]=result, ["context"]=context, @@ -47,7 +47,7 @@ function Test_Async_CB (request, result, context) AFB:success (request, response) end -function Test_Call_Async (request, args) +function _Test_Call_Async (request, args) local context={ ["value1"]="abcd", ["value2"]=1234 @@ -57,7 +57,7 @@ function Test_Call_Async (request, args) AFB:service("alsacore","ping", "Test_Async_CB", context) end -function Test_Call_Sync (request, args) +function _Test_Call_Sync (request, args) AFB:notice ("Test_Call_Sync args=%s", args) local err, response= AFB:service_sync ("alsacore","ping", args) diff --git a/conf.d/project/lua.d/onload-audio-timer.lua b/conf.d/project/lua.d/onload-audio-timer.lua index 5f25de7..db7a937 100644 --- a/conf.d/project/lua.d/onload-audio-timer.lua +++ b/conf.d/project/lua.d/onload-audio-timer.lua @@ -19,11 +19,10 @@ --]] -- Create event on Lua script load -print ("*** Create MyTestEvent ***") -MyEventHandle= AFB:evtmake("MyTestEvent") +local MyEventHandle=AFB:evtmake("MyTestEvent") -- Call count time every delay/ms -function Timer_Test_CB (timer, context) +local function Timer_Test_CB (timer, context) local evtinfo= AFB:timerget(timer) print ("timer=", Dump_Table(evtinfo)) @@ -37,7 +36,7 @@ function Timer_Test_CB (timer, context) end -- sendback event depending on count and delay -function Simple_Timer_Test (request, args) +function _Simple_Timer_Test (request, args) local context = { ["info"]="My 1st private Event", @@ -68,6 +67,3 @@ function Simple_Timer_Test (request, args) return 0 end - - - diff --git a/conf.d/project/lua.d/onload-audio-utils.lua b/conf.d/project/lua.d/onload-audio-utils.lua deleted file mode 100644 index 40ef8a3..0000000 --- a/conf.d/project/lua.d/onload-audio-utils.lua +++ /dev/null @@ -1,32 +0,0 @@ ---[[ - 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. - ---]] - - --- return serialised version of printable table -function Dump_Table(o) - if type(o) == 'table' then - local s = '{ ' - for k,v in pairs(o) do - if type(k) ~= 'number' then k = '"'..k..'"' end - s = s .. '['..k..'] = ' .. Dump_Table(v) .. ',' - end - return s .. '} ' - else - return tostring(o) - end -end |