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/*
* 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.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <netdb.h>
#include <fcntl.h>
#include <math.h>
#include <sys/time.h>
#include <sys/types.h>
#include "HighLevelBinding.h"
PUBLIC const struct afb_binding_interface *afbIface;
// Map HAL Enum to Labels
typedef const struct {
halCtlsEnumT control;
char *label;
} LogicControlT;
// High Level Control Mapping to String for JSON & HTML5
STATIC LogicControlT LogicControl[] = {
{.control= Master_Playback_Volume,.label= "Master_Volume"},
{.control= PCM_Playback_Volume, .label= "Playback_Volume"},
{.control= PCM_Playback_Switch, .label= "Playback_Switch"},
{.control= Capture_Volume, .label= "Capture_Volume"},
{.control= 0,.label= NULL} // closing convention
};
/*
* array of the verbs exported to afb-daemon
*/
STATIC const struct afb_verb_desc_v1 binding_verbs[] = {
/* VERB'S NAME SESSION MANAGEMENT FUNCTION TO CALL SHORT DESCRIPTION */
{ .name= "ping" , .session= AFB_SESSION_NONE, .callback= pingtest, .info= "Ping Binding" },
{ .name= "setvolume", .session= AFB_SESSION_CHECK, .callback= audioLogicSetVol, .info= "Set Volume" },
{ .name= "getvolume", .session= AFB_SESSION_CHECK, .callback= audioLogicGetVol, .info= "Get Volume" },
{ .name= "subscribe", .session= AFB_SESSION_CHECK, .callback= audioLogicSubscribe, .info= "Subscribe AudioBinding Events" },
{ .name= "monitor", .session= AFB_SESSION_CHECK, .callback= audioLogicMonitor, .info= "Activate AlsaCtl Monitoring" },
{ .name= "open", .session= AFB_SESSION_CREATE,.callback= audioLogicOpen, .info= "Open a Dedicated SoundCard" },
{ .name= "close", .session= AFB_SESSION_CLOSE, .callback= audioLogicClose, .info= "Close previously open SoundCard" },
{ .name= NULL } /* marker for end of the array */
};
/*
* description of the binding for afb-daemon
*/
STATIC const struct afb_binding binding_description = {
/* description conforms to VERSION 1 */
.type= AFB_BINDING_VERSION_1,
.v1= {
.prefix= "audio",
.info= "High Level Interface to Audio bindings",
.verbs = binding_verbs
}
};
// This receive all event this binding subscribe to
PUBLIC void afbBindingV1ServiceEvent(const char *evtname, struct json_object *object) {
NOTICE (afbIface, "afbBindingV1ServiceEvent evtname=%s [msg=%s]", evtname, json_object_to_json_string(object));
}
// this is call when after all bindings are loaded
PUBLIC int afbBindingV1ServiceInit(struct afb_service service) {
return (audioLogicInit(service));
};
/*
* activation function for registering the binding called by afb-daemon
*/
PUBLIC const struct afb_binding *afbBindingV1Register(const struct afb_binding_interface *itf) {
afbIface= itf;
return &binding_description; /* returns the description of the binding */
}
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