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authorJonathan Aillet <jonathan.aillet@iot.bzh>2018-12-10 17:18:01 +0100
committerTobias Jahnke <tobias.jahnke@microchip.com>2018-12-19 10:27:44 +0100
commit5770713075119f42d3486fa8db616efa8231a336 (patch)
tree4a13f0dcd492fb2513a7889894218341d9c92e5b /plugin/unicens-output/most_unicens.c
parent6b432e3928a4696309420742fc4e60f5496f2fd8 (diff)
Rename unicens plugin as output unicens plugin
Move all files according plugin name changes. Update cmake files. Update unicens configuration file. Change-Id: I468430dfbc885ec0bfa03a179a9dd4f14de3f1d0 Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>
Diffstat (limited to 'plugin/unicens-output/most_unicens.c')
-rw-r--r--plugin/unicens-output/most_unicens.c170
1 files changed, 170 insertions, 0 deletions
diff --git a/plugin/unicens-output/most_unicens.c b/plugin/unicens-output/most_unicens.c
new file mode 100644
index 0000000..a0d040b
--- /dev/null
+++ b/plugin/unicens-output/most_unicens.c
@@ -0,0 +1,170 @@
+/*
+ * Copyright (C) 2018, "IoT.bzh", Microchip Technology Inc. and its subsidiaries.
+ * Author Jonathan Aillet
+ * Author Tobias Jahnke
+ * Contrib Fulup Ar Foll
+ *
+ * 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 <stdbool.h>
+#include <pthread.h>
+
+#include <wrap-json.h>
+#include <ctl-plugin.h>
+#include <ctl-config.h>
+
+#include "wrap_unicens.h"
+#include "wrap_volume.h"
+
+#define PCM_MAX_CHANNELS 6
+#define UCS_PLUGIN_NAME "hal-unicens"
+
+CTLP_CAPI_REGISTER(UCS_PLUGIN_NAME)
+
+AFB_ApiT unicensHalApiHandle;
+static uint8_t initialized = 0;
+
+
+/* Call at initialization time, binder is not running yet,
+ * communication to other bindings not possible now. */
+CTLP_ONLOAD(plugin, callbacks)
+{
+ unicensHalApiHandle = plugin->api;
+ AFB_ApiNotice(unicensHalApiHandle, "4A-HAL-UNICENS: Plugin Register: uid='%s' 'info='%s'", plugin->uid, plugin->info);
+ return 0;
+}
+
+
+/* initializes ALSA sound card, UNICENS API */
+CTLP_CAPI(Init, source, argsJ, queryJ)
+{
+ int err = 0;
+ int pcm_volume[PCM_MAX_CHANNELS] = { 100, 100, 100, 100, 100, 100 };
+
+ AFB_ApiNotice(source->api, "4A-HAL-UNICENS: Initializing 4a plugin");
+
+ if((err = wrap_volume_init())) {
+ AFB_ApiError(source->api, "Failed to initialize wrapper for volume library");
+ goto Abort_Exit;
+ }
+
+ if((err = wrap_ucs_subscribe_sync(source->api))) {
+ AFB_ApiError(source->api, "Failed to subscribe to UNICENS binding");
+ goto Abort_Exit;
+ }
+
+ // Set output volume to pre-defined level in order to
+ // avoid muted volume to be persistent after boot.
+ //wrap_volume_master(source->api, 80);
+ wrap_volume_pcm(source->api, pcm_volume, PCM_MAX_CHANNELS);
+ initialized = 1;
+
+Abort_Exit:
+ AFB_ApiNotice(source->api, "4A-HAL-UNICENS: Initializing plugin done, err=%d", err);
+ err = 0; /* avoid returning non-zero value, to force loading the plugin */
+ return err;
+}
+
+
+/* Is called when master volume is incremented by ALSA */
+CTLP_CAPI(MasterVol, source, argsJ, queryJ)
+{
+ int master_volume;
+ json_object *valueJ;
+ int err = 0;
+
+ AFB_ApiNotice(source->api, "4A-HAL-UNICENS: MasterVolume=%s", json_object_to_json_string(queryJ));
+ if(! initialized) {
+ AFB_ApiWarning(source->api, "%s: Link to unicens binder is not initialized, can't set master volume, value=%s", __func__, json_object_get_string(queryJ));
+ err = -1;
+ goto Abort_Exit;
+ }
+
+ if(! json_object_is_type(queryJ, json_type_array) || json_object_array_length(queryJ) <= 0) {
+ AFB_ApiError(source->api, "%s: invalid json (should be a non empty json array) value=%s", __func__, json_object_get_string(queryJ));
+ err = -2;
+ goto Abort_Exit;
+ }
+
+ valueJ = json_object_array_get_idx(queryJ, 0);
+ if(! json_object_is_type(valueJ, json_type_int)) {
+ AFB_ApiError(source->api, "%s: invalid json (should be an array of int) value=%s", __func__, json_object_get_string(queryJ));
+ err = -3;
+ goto Abort_Exit;
+ }
+
+ master_volume = json_object_get_int(valueJ);
+ wrap_volume_master(source->api, master_volume);
+
+Abort_Exit:
+ err = 0; /* avoid returning non-zero value, to force loading the plugin */
+ return err;
+}
+
+
+/* not used at the moment, disabled in JSON configuration */
+CTLP_CAPI(PCMVol, source, argsJ, queryJ)
+{
+ AFB_ApiNotice(source->api, "4A-HAL-UNICENS: PCMVolume=%s", json_object_to_json_string(queryJ));
+ return 0;
+}
+
+
+/* Is called on UNICENS events */
+CTLP_CAPI(Events, source, argsJ, queryJ)
+{
+ uint16_t node = 0U;
+ bool available = false;
+ int err = 0;
+ json_object *j_tmp = NULL;
+
+ AFB_ApiError(source->api, "4A-HAL-UNICENS: receiving event query=%s", json_object_to_json_string(queryJ));
+
+ if (initialized == 0) {
+ AFB_ApiError(source->api, "4A-HAL-UNICENS: Not initialized while receiving event query=%s", json_object_to_json_string(queryJ));
+ err = 0;
+ goto Abort_Exit;
+ }
+
+ if (json_object_object_get_ex(queryJ, "node", &j_tmp)) {
+ node = (uint16_t)json_object_get_int(j_tmp);
+ }
+ else {
+ err = -1;
+ }
+
+ if (json_object_object_get_ex(queryJ, "available", &j_tmp)) {
+ available = (bool)json_object_get_boolean(j_tmp);
+ }
+ else {
+ err = -2;
+ }
+
+ if(err == 0) {
+ AFB_ApiNotice(source->api, "4A-HAL-UNICENS: Node-Availability: node=0x%03X, available=%d", node, available);
+ wrap_volume_node_avail(source->api, node, available);
+ }
+ else {
+ AFB_ApiError(source->api, "4A-HAL-UNICENS: Failed to parse events query=%s", json_object_to_json_string(queryJ));
+ }
+
+Abort_Exit:
+ err = 0; /* avoid returning non-zero value now */
+ return err;
+}