diff options
Diffstat (limited to 'HAL-afb/Unicens-USB/UnicensHAL.c')
-rw-r--r-- | HAL-afb/Unicens-USB/UnicensHAL.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/HAL-afb/Unicens-USB/UnicensHAL.c b/HAL-afb/Unicens-USB/UnicensHAL.c new file mode 100644 index 0000000..66f241f --- /dev/null +++ b/HAL-afb/Unicens-USB/UnicensHAL.c @@ -0,0 +1,73 @@ +/* + * 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. + * + * + * To find out which control your sound card uses + * aplay -l # Check sndcard name name in between [] + * amixer -D hw:xx controls # get supported controls + * amixer -D "hw:3" cget numid=xx # get control settings + * + */ +#define _GNU_SOURCE +#include "hal-interface.h" +#include "audio-interface.h" + +STATIC struct json_object* MasterOnOff (alsaHalCtlMapT *control, void* handle, struct json_object *valJ) { + struct json_object *reponseJ; + + AFB_INFO ("Power Set value=%s", json_object_get_string(valJ)); + + reponseJ=json_object_new_object(); + json_object_object_add (reponseJ, "Callback", json_object_new_string("Hello From HAL")); + + return reponseJ; +} + +// Map HAL hight sndctl with Alsa numid and optionally with a custom callback for non Alsa supported functionalities. +STATIC alsaHalMapT alsaHalMap[]= { + { .tag=Master_Playback_Volume, .ctl={.numid=04 } }, + { .tag=PCM_Playback_Volume , .ctl={.numid=06 } }, + { .tag=PCM_Playback_Switch , .ctl={.numid=05 } }, + { .tag=Capture_Volume , .ctl={.numid=12 } }, + { .tag=Master_OnOff_Switch , .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_BOOLEAN, .count=1, .name="Power-Switch"}, .cb={.callback=MasterOnOff, .handle=NULL}}, + { .tag=Master_Playback_Ramp , .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=2, .name="Volume-Switch"}, .cb={.callback=MasterOnOff, .handle=NULL}}, + + { .tag=EndHalCrlTag} /* marker for end of the array */ +} ; + +// HAL sound card mapping info +STATIC alsaHalSndCardT alsaHalSndCard = { + .name = "HDA Intel PCH", // WARNING: name MUST match with 'aplay -l' + .info = "Hardware Abstraction Layer for IntelHDA sound card", + .ctls = alsaHalMap, +}; + + +STATIC int sndServiceInit () { + int err; + AFB_DEBUG ("IntelHalBinding Init"); + + err = halServiceInit (afbBindingV2.api, &alsaHalSndCard); + return err; +} + +// API prefix should be unique for each snd card +PUBLIC const struct afb_binding_v2 afbBindingV2 = { + .api = "intel-hda", + .init = sndServiceInit, + .verbs = halServiceApi, + .onevent = halServiceEvent, +}; |