From 044828c43097362973c82088a7afee760eab06ec Mon Sep 17 00:00:00 2001
From: fulup <fulup.arfoll@iot.bzh>
Date: Fri, 21 Jul 2017 23:46:49 +0200
Subject: Added HAL selection in HTML page Started SetCtl implementation WIP
 Only

---
 HAL-afb/Unicens-USB/UnicensHAL.c | 73 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 HAL-afb/Unicens-USB/UnicensHAL.c

(limited to 'HAL-afb/Unicens-USB/UnicensHAL.c')

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,
+};
-- 
cgit 1.2.3-korg