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authorFulup Ar Foll <fulup@iot.bzh>2017-08-25 01:10:00 +0200
committerFulup Ar Foll <fulup@iot.bzh>2017-08-25 01:10:00 +0200
commit7dda5549b51ce1bbf674c620a5715986d7da4ffd (patch)
tree57b0af6551e55c1207a7d8cbae4fa573fbf85541 /conf.d/project/lua.d/onload-aaaa-03-controls.lua
parentb6e3522aae05d770b06d3af7c0cbf71d3a3a447f (diff)
Fix Initial Volume for Jabra
Diffstat (limited to 'conf.d/project/lua.d/onload-aaaa-03-controls.lua')
-rw-r--r--conf.d/project/lua.d/onload-aaaa-03-controls.lua118
1 files changed, 118 insertions, 0 deletions
diff --git a/conf.d/project/lua.d/onload-aaaa-03-controls.lua b/conf.d/project/lua.d/onload-aaaa-03-controls.lua
new file mode 100644
index 0000000..6c7c8a5
--- /dev/null
+++ b/conf.d/project/lua.d/onload-aaaa-03-controls.lua
@@ -0,0 +1,118 @@
+--[[
+ 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.
+
+ Following function are called when a control activate a label with
+ labeller api -> APi=label VERB=dispatch
+ arguments are
+ - source (0) when requesting the label (-1) when releasing
+ - label comme from config given with 'control' in onload-middlename-xxxxx.json
+ - control is the argument part of the query as providing by control requesting the label.
+
+--]]
+
+_CurrentHalVolume={}
+
+
+local function Apply_Hal_Control(source, label, adjustment)
+ local HAL = _Global_Context["registry"]
+
+ -- check we really got some data
+ if (adjustment == nil) then
+ AFB:error ("--* (Hoops) Control should provide volume adjustment")
+ return 1
+ end
+
+ -- loop on each HAL save current volume and push adjustment
+ for key,hal in pairs(_Global_Context["registry"]) do
+ printf ("--- HAL=%s", Dump_Table(hal))
+
+ -- action set loop on active HAL and get current volume
+ -- if label respond then do volume adjustment
+ if (source == 0) then
+
+ -- get current volume for each HAL
+ local err,result= AFB:servsync(hal["api"],"ctlget", {["label"]=label})
+
+ -- if no error save current volume and set adjustment
+ if (err ~= nil) then
+ local response= result["response"]
+ printf ("--- Response %s=%s", hal["api"], Dump_Table(response))
+
+ if (response == nil) then
+ printf ("--- Fail to Activate '%s'='%s' result=%s", hal["api"], label, Dump_Table(result))
+ return 1 -- unhappy
+ end
+
+ -- save response in global space
+ _CurrentHalVolume [hal["api"]] = response
+
+ -- finally set the new value
+ local query= {
+ ["tag"]= response["tag"],
+ ["val"]= adjustment
+ }
+
+ -- best effort to set adjustment value
+ AFB:servsync(hal["api"],"ctlset",query)
+ end
+
+ else -- when label is release reverse action at preempt time
+
+ if (_CurrentHalVolume [hal["api"]] ~= nil) then
+
+ printf("--- Restoring initial volume HAL=%s Control=%s", hal["api"], _CurrentHalVolume [hal["api"]])
+
+ AFB:servsync(hal["api"],"ctlset", _CurrentHalVolume [hal["api"]])
+ end
+ end
+
+ end
+ return 0 -- happy end
+end
+
+
+-- Simple Happy(granted) Control
+function _Temporarily_Control(source, control, client)
+
+ printf ("[--> _Temporarily_Control -->] source=%d control=%s client=%s", source, Dump_Table(control), Dump_Table(client))
+
+ -- Init should have been properly done
+ if (_Global_Context["registry"] == nil) then
+ AFB:error ("--* (Hoops) No Hal in _Global_Context=%s", Dump_Table(_Global_Context))
+ return 1
+ end
+
+ -- make sure label as valid
+ if (control["ctl"] == nil or control["val"] == nil) then
+ AFB:error ("--* Action Ignore no/invalid control=%s", Dump_Table(control))
+ return 1 -- unhappy
+ end
+
+ if (source == 0) then
+ AFB:info("-- Adjust %s=%d", control["ctl"], control["val"])
+ local error=Apply_Hal_Control(source, control["ctl"], control["val"])
+ if (error == nil) then
+ return 1 -- unhappy
+ end
+ AFB:notice ("[<-- _Temporarily_Control Granted<--]")
+ else
+ Apply_Hal_Control(source, control["ctl"],0)
+ AFB:notice ("[<-- _Temporarily_Control Restore--]")
+ end
+
+ return 0 -- happy return
+end
+