Import missing project files.

Change-Id: I157131b2a08024f795d289d0357f55a0032117d7
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 162 insertions, 0 deletions

diff --git a/conf.d/project/lua.d/onload-aaaa-01-controls.lua b/conf.d/project/lua.d/onload-aaaa-01-controls.lua
new file mode 100644
index 0000000..6ffc8d3
--- /dev/null
+++ b/conf.d/project/lua.d/onload-aaaa-01-controls.lua
@@ -0,0 +1,162 @@
+--[[
+  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 policy function for AGL Advance Audio Agent
+--]]
+
+-- 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 _Alsa_Get_Hal(args)
+
+    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
+
+-- In sample configuration Query/Args parsing is common to all audio control
+local function Audio_Parse_Request (source, args, query)
+
+    local apihal={}
+
+    -- 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
+
+-- 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
+
+
+    -- 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
+
+    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 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