Extracted from Global afb-audio repo

5 files changed, 0 insertions, 1104 deletions

diff --git a/HAL-afb/HAL-interface/CMakeLists.txt b/HAL-afb/HAL-interface/CMakeLists.txt
deleted file mode 100644
index bbe2e94..0000000
--- a/HAL-afb/HAL-interface/CMakeLists.txt
+++ /dev/null
@@ -1,37 +0,0 @@
-###########################################################################
-# Copyright 2015, 2016, 2017 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.
-###########################################################################
-
-
-# Add target to project dependency list
-PROJECT_TARGET_ADD(hal-interface)
-
-    # Define targets
-    ADD_LIBRARY(${TARGET_NAME} STATIC hal-volume.c hal-volramp.c hal-interface.c)
-
-    # Library properties
-    SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES OUTPUT_NAME halinterface)
-
-    # Library dependencies (include updates automatically)
-    TARGET_LINK_LIBRARIES(${TARGET_NAME}
-        audio-common
-    )
-
-    # Define target includes
-    TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME}
-        PUBLIC  ${CMAKE_CURRENT_SOURCE_DIR}
-    )
diff --git a/HAL-afb/HAL-interface/hal-interface.c b/HAL-afb/HAL-interface/hal-interface.c
deleted file mode 100644
index 4a32d72..0000000
--- a/HAL-afb/HAL-interface/hal-interface.c
+++ /dev/null
@@ -1,626 +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.
- *
- * reference:
- *   amixer contents; amixer controls;
- *   http://www.tldp.org/HOWTO/Alsa-sound-6.html
- */
-#define _GNU_SOURCE  // needed for vasprintf
-#include <string.h>
-#include "hal-interface.h"
-#include <systemd/sd-event.h>
-
-alsaHalSndCardT *halSndCard;
-
-
-// Force specific HAL to depend on ShareHalLib
-PUBLIC char* SharedHalLibVersion = "1.0";
-
-// Subscribe to AudioBinding events
-
-STATIC void halSubscribe(afb_req request) {
-    const char *devidJ = afb_req_value(request, "devid");
-    if (devidJ == NULL) {
-        afb_req_fail_f(request, "devidJ-missing", "devidJ=hw:xxx missing");
-    }
-}
-
-// Map HAL ctlName to ctlLabel
-
-STATIC int halCtlStringToIndex(const char* label) {
-    alsaHalMapT *halCtls = halSndCard->ctls;
-
-    for (int idx = 0; halCtls[idx].tag != EndHalCrlTag; idx++) {
-        if (halCtls[idx].label && !strcasecmp(halCtls[idx].label, label)) return idx;
-    }
-
-    // not found
-    return -1;
-}
-
-STATIC int halCtlTagToIndex(halCtlsTagT tag) {
-    alsaHalMapT *halCtls = halSndCard->ctls;
-
-    for (int idx = 0; halCtls[idx].tag != EndHalCrlTag; idx++) {
-        if (halCtls[idx].tag == tag) return idx;
-    }
-
-    // not found
-    return -1;
-}
-
-
-// Return ALL HAL snd controls
-
-PUBLIC void halListCtls(afb_req request) {
-    alsaHalMapT *halCtls = halSndCard->ctls;
-    json_object *ctlsHalJ = json_object_new_array();
-
-    for (int idx = 0; halCtls[idx].ctl.numid; idx++) {
-        json_object *ctlHalJ = json_object_new_object();
-
-        if (halCtls[idx].label) json_object_object_add(ctlHalJ, "label", json_object_new_string(halCtls[idx].label));
-        else json_object_object_add(ctlHalJ, "label", json_object_new_string("HAL Label Not Set "));
-        json_object_object_add(ctlHalJ, "tag", json_object_new_int(halCtls[idx].tag));
-        json_object_object_add(ctlHalJ, "count", json_object_new_int(halCtls[idx].ctl.count));
-
-        json_object_array_add(ctlsHalJ, ctlHalJ);
-    }
-
-    afb_req_success(request, ctlsHalJ, NULL);
-}
-
-STATIC int halGetCtlIndex(afb_req request, json_object*ctlInJ) {
-    json_object *tmpJ;
-    int tag, index, done;
-
-    // check 1st short command mode [tag1, tag2, ...]
-    enum json_type jtype = json_object_get_type(ctlInJ);
-    switch (jtype) {
-        case json_type_array:
-            tmpJ = json_object_array_get_idx(ctlInJ, 0);
-            tag = json_object_get_int(tmpJ);
-            index = halCtlTagToIndex(tag);
-            break;
-
-        case json_type_int:
-            tag = json_object_get_int(ctlInJ);
-            index = halCtlTagToIndex(tag);
-            break;
-
-        case json_type_object:
-            done = json_object_object_get_ex(ctlInJ, "tag", &tmpJ);
-            if (done) {
-                tag = json_object_get_int(tmpJ);
-                index = halCtlTagToIndex(tag);
-            } else {
-                const char *label;
-                done = json_object_object_get_ex(ctlInJ, "label", &tmpJ);
-                if (!done) goto OnErrorExit;
-                label = json_object_get_string(tmpJ);
-                index = halCtlStringToIndex(label);
-            }
-            break;
-
-        default:
-            goto OnErrorExit;
-    }
-
-    if (index < 0) goto OnErrorExit;
-
-    // return corresponding lowlevel numid to querylist
-    return index;
-
-OnErrorExit:
-    afb_req_fail_f(request, "ctl-invalid", "No Label/Tag given ctl='%s'", json_object_get_string(ctlInJ));
-    return -1;
-}
-
-STATIC int halCallAlsaSetCtls(json_object *ctlsOutJ) {
-    json_object *responseJ, *queryJ;
-    int err;
-
-    // Call now level CTL
-    queryJ = json_object_new_object();
-    json_object_object_add(queryJ, "devid", json_object_new_string(halSndCard->devid));
-    json_object_object_add(queryJ, "ctl", ctlsOutJ);
-
-    err = afb_service_call_sync("alsacore", "ctlset", queryJ, &responseJ);
-    json_object_put(responseJ); // let's ignore response
-
-    return err;
-}
-
-
-// retrieve a single HAL control from its tag.
-
-PUBLIC int halSetCtlByTag(halRampEnumT tag, int value) {
-    json_object *ctlJ = json_object_new_array();
-    alsaHalMapT *halCtls = halSndCard->ctls;
-    int err, index;
-
-    index = halCtlTagToIndex(tag);
-    if (index < 0) goto OnErrorExit;
-
-    json_object_array_add(ctlJ, json_object_new_int(halCtls[index].ctl.numid));
-    json_object_array_add(ctlJ, volumeNormalise(ACTION_SET, &halCtls[index].ctl, json_object_new_int(value)));
-
-    err = halCallAlsaSetCtls(ctlJ);
-
-    return err;
-
-OnErrorExit:
-    return -1;
-}
-
-
-// Translate high level control to low level and call lower layer
-
-PUBLIC void halSetCtls(afb_req request) {
-    alsaHalMapT *halCtls = halSndCard->ctls;
-    int err, done, index;
-    json_object *ctlsInJ, *ctlsOutJ, *valuesJ;
-
-    // get query from request
-    ctlsInJ = afb_req_json(request);
-
-    switch (json_object_get_type(ctlsInJ)) {
-        case json_type_object:
-        {
-            ctlsOutJ = json_object_new_object();
-
-            // control is in literal form {tag=xxx, label=xxx, value=xxxx}
-            index = halGetCtlIndex(request, ctlsInJ);
-            if (index < 0) goto OnErrorExit;
-
-            done = json_object_object_get_ex(ctlsInJ, "val", &valuesJ);
-            if (!done) {
-                afb_req_fail_f(request, "ctl-invalid", "No val=[val1, ...] ctl='%s'", json_object_get_string(ctlsInJ));
-                goto OnErrorExit;
-            }
-
-            json_object_object_add(ctlsOutJ, "id", json_object_new_int(halCtls[index].ctl.numid));
-            json_object_object_add(ctlsOutJ, "val", volumeNormalise(ACTION_SET, &halCtls[index].ctl, valuesJ));
-            break;
-        }
-
-        case json_type_array:
-        {
-            ctlsOutJ = json_object_new_array();
-
-            for (int idx = 0; idx < json_object_array_length(ctlsInJ); idx++) {
-                json_object *ctlInJ = json_object_array_get_idx(ctlsInJ, idx);
-                index = halGetCtlIndex(request, ctlInJ);
-                if (index < 0) goto OnErrorExit;
-
-                done = json_object_object_get_ex(ctlInJ, "val", &valuesJ);
-                if (!done) {
-                    afb_req_fail_f(request, "ctl-invalid", "No val=[val1, ...] ctl='%s'", json_object_get_string(ctlsInJ));
-                    goto OnErrorExit;
-                }
-                // let's create alsa low level set control request
-                json_object *ctlOutJ = json_object_new_object();
-                json_object_object_add(ctlOutJ, "id", json_object_new_int(halCtls[index].ctl.numid));
-                json_object_object_add(ctlOutJ, "val", volumeNormalise(ACTION_SET, &halCtls[index].ctl, valuesJ));
-
-                json_object_array_add(ctlsOutJ, ctlOutJ);
-            }
-            break;
-        }
-
-        default:
-            afb_req_fail_f(request, "ctl-invalid", "Not a valid JSON ctl='%s'", json_object_get_string(ctlsInJ));
-            goto OnErrorExit;
-    }
-
-    err = halCallAlsaSetCtls(ctlsOutJ);
-    if (err) {
-        afb_req_fail_f(request, "subcall:alsacore/setctl", "%s", json_object_get_string(ctlsOutJ));
-        goto OnErrorExit;
-    }
-
-    afb_req_success(request, NULL, NULL);
-    return;
-
-OnErrorExit:
-    return;
-};
-
-// Remap low level controls into HAL hight level ones
-
-STATIC json_object *HalGetPrepareResponse(afb_req request, json_object *ctlsJ) {
-    alsaHalMapT *halCtls = halSndCard->ctls;
-    json_object *halResponseJ;
-    int length;
-
-    switch (json_object_get_type(ctlsJ)) {
-        case json_type_array:
-            // responseJ is a JSON array
-            halResponseJ = json_object_new_array();
-            length = json_object_array_length(ctlsJ);
-            break;
-        case json_type_object:
-            halResponseJ = NULL;
-            length = 1;
-            break;
-        default:
-            afb_req_fail_f(request, "ctls-notarray", "Invalid Controls return from alsa/getcontrol ctlsJ=%s", json_object_get_string(ctlsJ));
-            goto OnErrorExit;
-    }
-
-    // loop on array and store values into client context
-    for (int idx = 0; idx < length; idx++) {
-        json_object *sndCtlJ, *valJ, *numidJ;
-        int numid;
-
-        // extract control from array if any
-        if (halResponseJ) sndCtlJ = json_object_array_get_idx(ctlsJ, idx);
-        else sndCtlJ = ctlsJ;
-
-        if (!json_object_object_get_ex(sndCtlJ, "id", &numidJ) || !json_object_object_get_ex(sndCtlJ, "val", &valJ)) {
-            afb_req_fail_f(request, "ctl-invalid", "Invalid Control return from alsa/getcontrol ctl=%s", json_object_get_string(sndCtlJ));
-            goto OnErrorExit;
-        }
-
-        // HAL and Business logic use the same AlsaMixerHal.h direct conversion
-        numid = (halCtlsTagT) json_object_get_int(numidJ);
-
-        for (int idx = 0; halCtls[idx].ctl.numid; idx++) {
-            if (halCtls[idx].ctl.numid == numid) {
-                // translate low level numid to HAL one and normalise values
-                json_object *halCtlJ = json_object_new_object();
-                json_object_object_add(halCtlJ, "label", json_object_new_string(halCtls[idx].label)); // idx+1 == HAL/NUMID
-                json_object_object_add(halCtlJ, "tag", json_object_new_int(halCtls[idx].tag)); // idx+1 == HAL/NUMID
-                json_object_object_add(halCtlJ, "val", volumeNormalise(ACTION_GET, &halCtls[idx].ctl, valJ));
-
-                if (halResponseJ) json_object_array_add(halResponseJ, halCtlJ);
-                else halResponseJ = halCtlJ;
-
-                break;
-            }
-        }
-        if (halCtls[idx].ctl.numid == 0) {
-            afb_req_fail_f(request, "ctl-invalid", "Invalid Control numid=%d from alsa/getcontrol ctlJ=%s", numid, json_object_get_string(sndCtlJ));
-            goto OnErrorExit;
-        }
-    }
-    return halResponseJ;
-
-OnErrorExit:
-    return NULL;
-}
-
-STATIC json_object *halCallAlsaGetCtls(json_object *ctlsOutJ) {
-    json_object *responseJ, *queryJ;
-    int err, done;
-
-    // Call now level CTL
-    queryJ = json_object_new_object();
-    json_object_object_add(queryJ, "devid", json_object_new_string(halSndCard->devid));
-    json_object_object_add(queryJ, "ctl", ctlsOutJ);
-
-    err = afb_service_call_sync("alsacore", "ctlget", queryJ, &responseJ);
-    if (err) goto OnErrorExit;
-
-    // Let ignore info data if any and keep on response
-    done = json_object_object_get_ex(responseJ, "response", &responseJ);
-    if (!done) goto OnErrorExit;
-
-    return responseJ;
-
-OnErrorExit:
-    return NULL;
-}
-
-// retrieve a single HAL control from its tag.
-
-PUBLIC json_object *halGetCtlByTag(halRampEnumT tag) {
-    json_object *responseJ, *valJ;
-    alsaHalMapT *halCtls = halSndCard->ctls;
-    int done, index;
-
-    index = halCtlTagToIndex(tag);
-    if (index < 0) goto OnErrorExit;
-    responseJ = halCallAlsaGetCtls(json_object_new_int(halCtls[index].ctl.numid));
-
-    done = json_object_object_get_ex(responseJ, "val", &valJ);
-    if (!done) goto OnErrorExit;
-
-    return volumeNormalise(ACTION_GET, &halCtls[index].ctl, valJ);
-
-OnErrorExit:
-    return NULL;
-}
-
-
-// Translate high level control to low level and call lower layer
-
-PUBLIC void halGetCtls(afb_req request) {
-    int index;
-    alsaHalMapT *halCtls = halSndCard->ctls;
-    json_object *ctlsInJ, *ctlsOutJ, *responseJ;
-
-    // get query from request
-    ctlsInJ = afb_req_json(request);
-    ctlsOutJ = json_object_new_array();
-
-    switch (json_object_get_type(ctlsInJ)) {
-        case json_type_object:
-        {
-
-            index = halGetCtlIndex(request, ctlsInJ);
-            if (index < 0) goto OnErrorExit;
-            json_object_array_add(ctlsOutJ, json_object_new_int(halCtls[index].ctl.numid));
-            break;
-        }
-
-        case json_type_array:
-        {
-
-            for (int idx = 0; idx < json_object_array_length(ctlsInJ); idx++) {
-                json_object *ctlInJ = json_object_array_get_idx(ctlsInJ, idx);
-                index = halGetCtlIndex(request, ctlInJ);
-                if (index < 0) goto OnErrorExit;
-                json_object_array_add(ctlsOutJ, json_object_new_int(halCtls[index].ctl.numid));
-            }
-            break;
-        }
-
-        default:
-            afb_req_fail_f(request, "ctl-invalid", "Not a valid JSON ctl='%s'", json_object_get_string(ctlsInJ));
-            goto OnErrorExit;
-    }
-
-    // Call now level CTL
-    responseJ = halCallAlsaGetCtls(ctlsOutJ);
-    if (!responseJ) {
-        afb_req_fail_f(request, "subcall:alsacore/getctl", "%s", json_object_get_string(responseJ));
-        goto OnErrorExit;
-    }
-
-    // map back low level response to HAL ctl with normalised values
-    json_object *halResponse = HalGetPrepareResponse(request, responseJ);
-    if (!halResponse) goto OnErrorExit;
-
-    afb_req_success(request, halResponse, NULL);
-    return;
-
-OnErrorExit:
-    return;
-};
-
-STATIC int UpdateOneSndCtl(alsaHalCtlMapT *ctl, json_object *sndCtlJ) {
-    json_object *tmpJ, *ctlJ;
-
-    json_object_object_get_ex(sndCtlJ, "name", &tmpJ);
-    ctl->name = (char*) json_object_get_string(tmpJ);
-
-    json_object_object_get_ex(sndCtlJ, "id", &tmpJ);
-    ctl->numid = json_object_get_int(tmpJ);
-
-    // make sure we face a valid Alsa Low level ctl
-    if (!json_object_object_get_ex(sndCtlJ, "ctl", &ctlJ)) goto OnErrorExit;
-
-    json_object_object_get_ex(ctlJ, "min", &tmpJ);
-    ctl->minval = json_object_get_int(tmpJ);
-
-    json_object_object_get_ex(ctlJ, "max", &tmpJ);
-    ctl->maxval = json_object_get_int(tmpJ);
-
-    json_object_object_get_ex(ctlJ, "step", &tmpJ);
-    ctl->step = json_object_get_int(tmpJ);
-
-    json_object_object_get_ex(ctlJ, "count", &tmpJ);
-    ctl->count = json_object_get_int(tmpJ);
-
-    json_object_object_get_ex(ctlJ, "type", &tmpJ);
-    ctl->type = (snd_ctl_elem_type_t) json_object_get_int(tmpJ);
-
-    // process dbscale TLV if any
-    if (json_object_object_get_ex(sndCtlJ, "tlv", &tmpJ)) {
-        json_object *dbscaleJ;
-
-        if (!json_object_object_get_ex(tmpJ, "dbscale", &dbscaleJ)) {
-            AFB_WARNING("TLV found but not DBscale attached ctl name=%s numid=%d", ctl->name, ctl->numid);
-        } else {
-            ctl->dbscale = malloc(sizeof (alsaHalDBscaleT));
-
-            json_object_object_get_ex(dbscaleJ, "min", &tmpJ);
-            ctl->dbscale->min = (snd_ctl_elem_type_t) json_object_get_int(tmpJ);
-
-            json_object_object_get_ex(dbscaleJ, "max", &tmpJ);
-            ctl->dbscale->max = (snd_ctl_elem_type_t) json_object_get_int(tmpJ);
-
-            json_object_object_get_ex(dbscaleJ, "step", &tmpJ);
-            ctl->dbscale->step = (snd_ctl_elem_type_t) json_object_get_int(tmpJ);
-
-            json_object_object_get_ex(dbscaleJ, "mute", &tmpJ);
-            ctl->dbscale->mute = (snd_ctl_elem_type_t) json_object_get_int(tmpJ);
-        }
-    }
-
-    return 0;
-
-OnErrorExit:
-    return -1;
-}
-
-// this is call when after all bindings are loaded
-
-PUBLIC int halServiceInit(const char *apiPrefix, alsaHalSndCardT *alsaHalSndCard) {
-    int err;
-    json_object *queryurl, *responseJ, *devidJ, *ctlsJ, *tmpJ;
-    alsaHalMapT *halCtls = alsaHalSndCard->ctls;
-
-    // if not volume normalisation CB provided use default one
-    if (!alsaHalSndCard->volumeCB) alsaHalSndCard->volumeCB = volumeNormalise;
-    halSndCard = alsaHalSndCard;
-
-    err = afb_daemon_require_api("alsacore", 1);
-    if (err) {
-        AFB_ERROR("AlsaCore missing cannot use AlsaHAL");
-        goto OnErrorExit;
-    }
-
-    // register HAL with Alsa Low Level Binder
-    queryurl = json_object_new_object();
-    json_object_object_add(queryurl, "prefix", json_object_new_string(apiPrefix));
-    json_object_object_add(queryurl, "sndname", json_object_new_string(alsaHalSndCard->name));
-
-    err = afb_service_call_sync("alsacore", "halregister", queryurl, &responseJ);
-    json_object_put(queryurl);
-    if (err) {
-        AFB_NOTICE("Fail to register HAL to ALSA lowlevel binding Response='%s'", json_object_get_string(responseJ));
-        goto OnErrorExit;
-    }
-
-    // extract sound devidJ from HAL registration
-    if (!json_object_object_get_ex(responseJ, "response", &tmpJ) || !json_object_object_get_ex(tmpJ, "devid", &devidJ)) {
-        AFB_ERROR("Ooops: Internal error no devidJ return from HAL registration Response='%s'", json_object_get_string(responseJ));
-        goto OnErrorExit;
-    }
-
-    // save devid for future use
-    halSndCard->devid = strdup(json_object_get_string(devidJ));
-
-    // for each Non Alsa Control callback create a custom control
-    ctlsJ = json_object_new_array();
-    for (int idx = 0; (halCtls[idx].ctl.name || halCtls[idx].ctl.numid); idx++) {
-        json_object *ctlJ;
-
-        // Try to find best equivalent label for tag
-        if (halCtls[idx].tag >StartHalCrlTag && halCtls[idx].tag < EndHalCrlTag && halCtlsLabels[halCtls[idx].tag] != NULL) {
-            halCtls[idx].label = halCtlsLabels[halCtls[idx].tag];
-        } else {
-            if (halCtls[idx].ctl.name) halCtls[idx].label=halCtls[idx].ctl.name;
-            else if (halCtls[idx].info) halCtls[idx].label=halCtls[idx].info;
-            else  halCtls[idx].label="NoHalCttNameSet";
-        }
-
-        ctlJ = json_object_new_object();
-        if (halCtls[idx].ctl.numid) json_object_object_add(ctlJ, "ctl", json_object_new_int(halCtls[idx].ctl.numid));
-        if (halCtls[idx].ctl.name) json_object_object_add(ctlJ, "name", json_object_new_string(halCtls[idx].ctl.name));
-        if (halCtls[idx].ctl.minval) json_object_object_add(ctlJ, "min", json_object_new_int(halCtls[idx].ctl.minval));
-        if (halCtls[idx].ctl.maxval) json_object_object_add(ctlJ, "max", json_object_new_int(halCtls[idx].ctl.maxval));
-        if (halCtls[idx].ctl.step) json_object_object_add(ctlJ, "step", json_object_new_int(halCtls[idx].ctl.step));
-        if (halCtls[idx].ctl.type) json_object_object_add(ctlJ, "type", json_object_new_int(halCtls[idx].ctl.type));
-        if (halCtls[idx].ctl.count) json_object_object_add(ctlJ, "count", json_object_new_int(halCtls[idx].ctl.count));
-        if (halCtls[idx].ctl.value) json_object_object_add(ctlJ, "val", json_object_new_int(halCtls[idx].ctl.value));
-
-        if (halCtls[idx].ctl.dbscale) {
-            json_object *dbscaleJ = json_object_new_object();
-            if (halCtls[idx].ctl.dbscale->max) json_object_object_add(dbscaleJ, "max", json_object_new_int(halCtls[idx].ctl.dbscale->max));
-            if (halCtls[idx].ctl.dbscale->min) json_object_object_add(dbscaleJ, "min", json_object_new_int(halCtls[idx].ctl.dbscale->min));
-            if (halCtls[idx].ctl.dbscale->step) json_object_object_add(dbscaleJ, "step", json_object_new_int(halCtls[idx].ctl.dbscale->step));
-            if (halCtls[idx].ctl.dbscale->mute) json_object_object_add(dbscaleJ, "mute", json_object_new_int(halCtls[idx].ctl.dbscale->mute));
-            json_object_object_add(ctlJ, "dbscale", dbscaleJ);
-        }
-
-        if (halCtls[idx].ctl.enums) {
-            json_object *enumsJ = json_object_new_array();
-            for (int jdx = 0; halCtls[idx].ctl.enums[jdx]; jdx++) {
-                json_object_array_add(enumsJ, json_object_new_string(halCtls[idx].ctl.enums[jdx]));
-            }
-            json_object_object_add(ctlJ, "enums", enumsJ);
-        }
-        json_object_array_add(ctlsJ, ctlJ);
-    }
-
-    // Build new queryJ to add HAL custom control if any
-    if (json_object_array_length(ctlsJ) > 0) {
-        queryurl = json_object_new_object();
-        json_object_get(devidJ); // make sure devidJ does not get free by 1st call.
-        json_object_object_add(queryurl, "devid", devidJ);
-        json_object_object_add(queryurl, "ctl", ctlsJ);
-        json_object_object_add(queryurl, "mode", json_object_new_int(QUERY_COMPACT));
-        err = afb_service_call_sync("alsacore", "addcustomctl", queryurl, &responseJ);
-        if (err) {
-            AFB_ERROR("Fail creating HAL Custom ALSA ctls Response='%s'", json_object_get_string(responseJ));
-            goto OnErrorExit;
-        }
-    }
-
-    // Make sure response is valid
-    json_object_object_get_ex(responseJ, "response", &ctlsJ);
-    if (json_object_get_type(ctlsJ) != json_type_array) {
-        AFB_ERROR("Response Invalid JSON array ctls Response='%s'", json_object_get_string(responseJ));
-        goto OnErrorExit;
-    }
-
-    // update HAL data from JSON response
-    for (int idx = 0; idx < json_object_array_length(ctlsJ); idx++) {
-        json_object *ctlJ = json_object_array_get_idx(ctlsJ, idx);
-        err = UpdateOneSndCtl(&halCtls[idx].ctl, ctlJ);
-        if (err) {
-            AFB_ERROR("Fail found MAP Alsa Low level=%s", json_object_get_string(ctlJ));
-            goto OnErrorExit;
-        }
-    }
-
-
-    // finally register for alsa lowlevel event
-    queryurl = json_object_new_object();
-    json_object_object_add(queryurl, "devid", devidJ);
-    err = afb_service_call_sync("alsacore", "subscribe", queryurl, &responseJ);
-    if (err) {
-        AFB_ERROR("Fail subscribing to ALSA lowlevel events");
-        goto OnErrorExit;
-    }
-
-    return (0);
-
-OnErrorExit:
-    return (1);
-};
-
-
-// This receive all event this binding subscribe to
-
-PUBLIC void halServiceEvent(const char *evtname, json_object *eventJ) {
-    int numid;
-    alsaHalMapT *halCtls = halSndCard->ctls;
-    json_object *numidJ, *valuesJ;
-
-    AFB_DEBUG("halServiceEvent evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
-
-    json_object_object_get_ex(eventJ, "id", &numidJ);
-    numid = json_object_get_int(numidJ);
-    if (!numid) {
-        AFB_ERROR("halServiceEvent noid: evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
-        return;
-    }
-    json_object_object_get_ex(eventJ, "val", &valuesJ);
-
-    // search it corresponding numid in halCtls attach a callback
-    if (numid) {
-        for (int idx = 0; halCtls[idx].ctl.numid; idx++) {
-            if (halCtls[idx].ctl.numid == numid && halCtls[idx].cb.callback != NULL) {
-                halCtls[idx].cb.callback(halCtls[idx].tag, &halCtls[idx].ctl, halCtls[idx].cb.handle, valuesJ);
-            }
-        }
-    }
-}
-
-// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT
-PUBLIC afb_verb_v2 halServiceApi[] = {
-    /* VERB'S NAME         FUNCTION TO CALL         SHORT DESCRIPTION */
-    { .verb = "ping", .callback = pingtest, .info = "ping test for API"},
-    { .verb = "ctllist", .callback = halListCtls, .info = "List AGL normalised Sound Controls"},
-    { .verb = "ctlget", .callback = halGetCtls, .info = "Get one/many sound controls"},
-    { .verb = "ctlset", .callback = halSetCtls, .info = "Set one/many sound controls"},
-    { .verb = "evtsub", .callback = halSubscribe, .info = "Subscribe to HAL events"},
-    { .verb = NULL} /* marker for end of the array */
-};
diff --git a/HAL-afb/HAL-interface/hal-interface.h b/HAL-afb/HAL-interface/hal-interface.h
deleted file mode 100644
index c210f02..0000000
--- a/HAL-afb/HAL-interface/hal-interface.h
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * AlsaLibMapping -- provide low level interface with AUDIO lib (extracted from alsa-json-gateway code)
- * Copyright (C) 2015,2016,2017, 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.
- */
-
-#ifndef SHAREHALLIB_H
-#define SHAREHALLIB_H
-
-#include <stdio.h>
-#include <alsa/asoundlib.h>
-
-#include "audio-common.h"
-#include <systemd/sd-event.h>
-
-typedef enum {
-    ACTION_SET,
-    ACTION_GET
-} ActionSetGetT;
-
-// VolRamp Handle Store current status for a given VolRam CB set
-
-typedef struct {
-    halRampEnumT mode;
-    halCtlsTagT slave;
-    int delay; // delay between volset in us
-    int stepDown; // linear %
-    int stepUp; // linear %
-    int current; // current volume for slave ctl
-    int target; // target volume
-    sd_event_source *evtsrc; // event loop timer source
-} halVolRampT;
-
-typedef struct {
-    int min;
-    int max;
-    int step;
-    int mute;
-} alsaHalDBscaleT;
-
-typedef struct {
-    char* name;
-    int numid;
-    snd_ctl_elem_type_t type;
-    int count;
-    int minval;
-    int maxval;
-    int value;
-    int step;
-    const char **enums;
-    alsaHalDBscaleT *dbscale;
-} alsaHalCtlMapT;
-
-
-// avoid compiler warning [Jose does not like typedef :) ]
-typedef struct afb_service alsaHalServiceT;
-
-typedef struct {
-    void (*callback)(halCtlsTagT tag, alsaHalCtlMapT *control, void* handle, json_object *valuesJ);
-    void* handle;
-} alsaHalCbMapT;
-
-typedef struct {
-    halCtlsTagT tag;
-    const char *label;
-    alsaHalCtlMapT ctl;
-    alsaHalCbMapT cb;
-    char* info;
-} alsaHalMapT;
-
-typedef struct {
-    const char *name;
-    const char *info;
-    alsaHalMapT *ctls;
-    const char *devid;
-    json_object* (*volumeCB)(ActionSetGetT action, const alsaHalCtlMapT *halCtls, json_object *valuesJ);
-} alsaHalSndCardT;
-
-// hal-interface.c
-extern afb_verb_v2 halServiceApi[];
-PUBLIC void halServiceEvent(const char *evtname, json_object *object);
-PUBLIC int halServiceInit(const char *apiPrefix, alsaHalSndCardT *alsaHalSndCard);
-PUBLIC json_object *halGetCtlByTag(halRampEnumT tag);
-PUBLIC int halSetCtlByTag(halRampEnumT tag, int value);
-
-
-// hal-volramp.c
-PUBLIC void volumeRamp(halCtlsTagT halTag, alsaHalCtlMapT *control, void* handle, json_object *valJ);
-
-// hal-volume.c
-PUBLIC json_object *volumeNormalise(ActionSetGetT action, const alsaHalCtlMapT *halCtls, json_object *valuesJ);
-
-
-#endif /* SHAREHALLIB_H */
-
diff --git a/HAL-afb/HAL-interface/hal-volramp.c b/HAL-afb/HAL-interface/hal-volramp.c
deleted file mode 100644
index 60e91d6..0000000
--- a/HAL-afb/HAL-interface/hal-volramp.c
+++ /dev/null
@@ -1,185 +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.
- *
- */
-
-#define _GNU_SOURCE  // needed for vasprintf
-#include "hal-interface.h"
-
-STATIC int RampTimerCB(sd_event_source* source, uint64_t timer, void* handle) {
-    halVolRampT *volRamp = (halVolRampT*) handle;
-    int err;
-    uint64_t usec;
-
-    // RampDown
-    if (volRamp->current > volRamp->target) {
-        volRamp->current = volRamp->current - volRamp->stepDown;
-        if (volRamp->current < volRamp->target) volRamp->current = volRamp->target;
-    }
-
-    // RampUp
-    if (volRamp->current < volRamp->target) {
-        volRamp->current = volRamp->current + volRamp->stepUp;
-        if (volRamp->current > volRamp->target) volRamp->current = volRamp->target;
-    }
-
-    // request current Volume Level
-    err = halSetCtlByTag(volRamp->slave, volRamp->current);
-    if (err) goto OnErrorExit;
-
-    // we reach target stop volram event
-    if (volRamp->current == volRamp->target) sd_event_source_unref(source);
-    else {
-        // otherwise validate timer for a new run
-        sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec);
-        sd_event_source_set_enabled(source, SD_EVENT_ONESHOT);
-        err = sd_event_source_set_time(source, usec + volRamp->delay);
-    }
-
-    return 0;
-
-OnErrorExit:
-    AFB_WARNING("RampTimerCB Fail to set HAL ctl tag=%d vol=%d", Master_Playback_Volume, volRamp->current);
-    sd_event_source_unref(source); // abandon VolRamp
-    return -1;
-}
-
-STATIC void SetRampTimer(void *handle) {
-    halVolRampT *volRamp = (halVolRampT*) handle;
-    uint64_t usec;
-
-    // set a timer with ~250us accuracy
-    sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec);
-    sd_event_add_time(afb_daemon_get_event_loop(), &volRamp->evtsrc, CLOCK_MONOTONIC, usec, 250, RampTimerCB, volRamp);
-}
-
-STATIC int volumeDoRamp(halVolRampT *volRamp, int numid, json_object *volumeJ) {
-    json_object *responseJ;
-
-    // request current Volume Level
-    responseJ = halGetCtlByTag(volRamp->slave);
-    if (!responseJ) {
-        AFB_WARNING("volumeDoRamp Fail to get HAL ctl tag=%d", Master_Playback_Volume);
-        goto OnErrorExit;
-    }
-
-    // use 1st volume value as target for ramping
-    switch (json_object_get_type(volumeJ)) {
-        case json_type_array:
-            volRamp->target = json_object_get_int(json_object_array_get_idx(volumeJ, 0));
-            break;
-
-        case json_type_int:
-            volRamp->target = json_object_get_int(volumeJ);
-            break;
-
-        default:
-            AFB_WARNING("volumeDoRamp Invalid volumeJ=%s", json_object_get_string(volumeJ));
-            goto OnErrorExit;
-    }
-
-    // use 1st volume value as current for ramping
-    switch (json_object_get_type(responseJ)) {
-        case json_type_array:
-            volRamp->current = json_object_get_int(json_object_array_get_idx(responseJ, 0));
-            break;
-
-        case json_type_int:
-            volRamp->current = json_object_get_int(responseJ);
-            break;
-
-        default:
-            AFB_WARNING("volumeDoRamp Invalid reponseJ=%s", json_object_get_string(responseJ));
-            goto OnErrorExit;
-    }
-
-    SetRampTimer(volRamp);
-
-    return 0;
-
-OnErrorExit:
-    return -1;
-}
-
-PUBLIC void volumeRamp(halCtlsTagT halTag, alsaHalCtlMapT *ctl, void* handle, json_object *valJ) {
-    halVolRampT *volRamp = (halVolRampT*) handle;
-    json_object *tmpJ;
-
-    if (json_object_get_type(valJ) != json_type_array || volRamp == NULL) goto OnErrorExit;
-
-    switch (halTag) {
-
-            // Only config use wellknown tag. Default is DoVolRamp
-        default:
-            tmpJ = json_object_array_get_idx(valJ, 0);
-            volumeDoRamp(volRamp, ctl->numid, tmpJ);
-            break;
-
-        case Vol_Ramp_Set_Mode:
-            tmpJ = json_object_array_get_idx(valJ, 0);
-            volRamp->mode = json_object_get_int(tmpJ);
-            switch (volRamp->mode) {
-
-                case RAMP_VOL_SMOOTH:
-                    volRamp->delay = 100 * 1000;
-                    volRamp->stepDown = 1;
-                    volRamp->stepUp = 1;
-                    break;
-
-                case RAMP_VOL_NORMAL:
-                    volRamp->delay = 100 * 1000;
-                    volRamp->stepDown = 3;
-                    volRamp->stepUp = 2;
-                    break;
-
-                case RAMP_VOL_EMERGENCY:
-                    volRamp->delay = 50 * 1000;
-                    volRamp->stepDown = 6;
-                    volRamp->stepUp = 2;
-                    break;
-
-                default:
-                    goto OnErrorExit;
-            }
-            break;
-
-        case Vol_Ramp_Set_Slave:
-            tmpJ = json_object_array_get_idx(valJ, 0);
-            volRamp->slave = json_object_get_int(tmpJ);
-            break;
-
-        case Vol_Ramp_Set_Delay:
-            tmpJ = json_object_array_get_idx(valJ, 0);
-            volRamp->delay = 1000 * json_object_get_int(tmpJ);
-            break;
-
-        case Vol_Ramp_Set_Down:
-            tmpJ = json_object_array_get_idx(valJ, 0);
-            volRamp->stepDown = json_object_get_int(tmpJ);
-            break;
-
-        case Vol_Ramp_Set_Up:
-            tmpJ = json_object_array_get_idx(valJ, 0);
-            volRamp->stepUp = json_object_get_int(tmpJ);
-            break;
-    }
-
-    return;
-
-OnErrorExit:
-    AFB_WARNING("volumeRamp: Invalid Ctrl Event halCtlsTagT=%d numid=%d name=%s value=%s", halTag, ctl->numid, ctl->name, json_object_get_string(valJ));
-    return;
-}
diff --git a/HAL-afb/HAL-interface/hal-volume.c b/HAL-afb/HAL-interface/hal-volume.c
deleted file mode 100644
index 997ce98..0000000
--- a/HAL-afb/HAL-interface/hal-volume.c
+++ /dev/null
@@ -1,150 +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.
- *
- * references:
- *   alsa-util/amixer.c + alsa-lib/simple.c
- *   snd_tlv_convert_from_dB
- *   nt snd_tlv_convert_to_dB
- *   snd_tlv_get_dB_range
- */
-
-#define _GNU_SOURCE  // needed for vasprintf
-#include <math.h>
-#include "hal-interface.h"
-
-typedef enum {
-    NORMALIZE_NONE = 0,
-    NORMALIZE_DB_LINEAR,
-    NORMALIZE_DB_MATH,
-    NORMALIZE_LINEAR,
-} enumRandeModeDB_T;
-
-
-// Return Value express from 0-100%
-
-STATIC int dbNormalizeVal(enumRandeModeDB_T normaliseMode, const alsaHalDBscaleT *dbscale, int value) {
-    double normalized, min_norm;
-
-    // To get real DB from TLV DB values should be divided by 100
-    switch (normaliseMode) {
-        case NORMALIZE_DB_LINEAR:
-            normalized = ((double) (value - dbscale->min) / (double) (dbscale->max - dbscale->min));
-            break;
-
-        case NORMALIZE_DB_MATH:
-            normalized = exp10((double) (value - dbscale->max) / 6000.0);
-            if (dbscale->min != SND_CTL_TLV_DB_GAIN_MUTE) {
-                min_norm = exp10((double) (dbscale->min - dbscale->max) / 20);
-                normalized = (normalized - min_norm) / (1 - min_norm);
-            }
-
-            break;
-
-        default:
-            normalized = 0;
-    }
-
-    return (int) round(normalized * 100);
-}
-
-// HAL normalise volume values to 0-100%
-
-PUBLIC json_object *volumeNormalise(ActionSetGetT action, const alsaHalCtlMapT *halCtls, json_object *valuesJ) {
-    enumRandeModeDB_T useNormalizeDB;
-    int length;
-
-    // If Integer look for DBscale
-    if (halCtls->type == SND_CTL_ELEM_TYPE_INTEGER) {
-
-        // If not valid db_scale let's use raw_scale
-        if (!halCtls->dbscale || (halCtls->dbscale->min >= halCtls->dbscale->max)) {
-
-            // dbscale is invalid let's try raw range
-            if (halCtls->minval >= halCtls->maxval) goto ExitOnError;
-
-            // Use Raw Scale Model
-            useNormalizeDB = NORMALIZE_LINEAR;
-
-        } else { // db_scale looks OK let's use it
-            if ((halCtls->dbscale->max - halCtls->dbscale->min) <= MAX_LINEAR_DB_SCALE * 100) useNormalizeDB = NORMALIZE_DB_LINEAR;
-            else useNormalizeDB = NORMALIZE_LINEAR; // Fulup not sure how to handle this useNormalizeDB=NORMALIZE_DB_MATH;
-        }
-    } else useNormalizeDB = NORMALIZE_NONE;
-
-
-    // loop on values to normalise
-    enum json_type jtype = json_object_get_type(valuesJ);
-    if (jtype == json_type_array) length = json_object_array_length(valuesJ);
-    else length = 1;
-
-    json_object *normalisedJ = json_object_new_array();
-    for (int idx = 0; idx < length; idx++) {
-        int value;
-
-        if (jtype == json_type_array) {
-            json_object *valueJ = json_object_array_get_idx(valuesJ, idx);
-            value = json_object_get_int(valueJ);
-        } else {
-            value = json_object_get_int(valuesJ);
-        }
-
-        // If Integer scale to 0/100
-        if (halCtls->type == SND_CTL_ELEM_TYPE_INTEGER) {
-
-            switch (action) {
-
-                case ACTION_GET:
-                    switch (useNormalizeDB) {
-                        case NORMALIZE_LINEAR:
-                            value = 100 * (value - halCtls->minval) / (halCtls->maxval - halCtls->minval);
-                            break;
-                        case NORMALIZE_DB_MATH: //ToBeDone
-                            value = dbNormalizeVal(useNormalizeDB, halCtls->dbscale, value);
-                            break;
-                        case NORMALIZE_NONE:
-                        default:
-                            value = value;
-                    }
-                    break;
-
-                case ACTION_SET:
-                    switch (useNormalizeDB) {
-                        case NORMALIZE_LINEAR:
-                            value = (value * (halCtls->maxval - halCtls->minval)) / 100;
-                            break;
-                        case NORMALIZE_DB_MATH: //ToBeDone
-                            value = dbNormalizeVal(useNormalizeDB, halCtls->dbscale, value);
-                            break;
-                        case NORMALIZE_NONE:
-                        default:
-                            value = value;
-                    }
-                    break;
-
-                default:
-                    AFB_NOTICE("volumeNormalise: invalid action value=%d", (int) action);
-                    goto ExitOnError;
-            }
-        }
-
-        json_object_array_add(normalisedJ, json_object_new_int(value));
-    }
-
-    return (normalisedJ);
-
-ExitOnError:
-    return NULL;
-}