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authorTobias Jahnke <tobias.jahnke@microchip.com>2018-09-21 13:17:08 +0200
committerTobias Jahnke <tobias.jahnke@microchip.com>2018-12-18 10:24:00 +0100
commita3806abc3eefd2e6b8726ace474447657cb1e4e3 (patch)
treeacbb45804023500b04b1191bd2250c553fb8d140 /plugin
parent1d77128c2b1c4e99306f37cc5b8150c250271ee5 (diff)
Add basic source and configuration files
Signed-off-by: Tobias Jahnke <tobias.jahnke@microchip.com>
Diffstat (limited to 'plugin')
-rw-r--r--plugin/CMakeLists.txt52
-rw-r--r--plugin/most_unicens.c195
-rw-r--r--plugin/ucs2-vol/CMakeLists.txt26
-rw-r--r--plugin/ucs2-vol/inc/device_container.h59
-rw-r--r--plugin/ucs2-vol/inc/device_value.h101
-rw-r--r--plugin/ucs2-vol/inc/libmostvolume.h111
-rw-r--r--plugin/ucs2-vol/inc/setup.h71
-rw-r--r--plugin/ucs2-vol/src/CMakeLists.txt39
-rw-r--r--plugin/ucs2-vol/src/device_container.cpp187
-rw-r--r--plugin/ucs2-vol/src/device_value.cpp148
-rw-r--r--plugin/ucs2-vol/src/libmostvolume.cpp99
-rw-r--r--plugin/ucs2-vol/src/setup.cpp94
-rw-r--r--plugin/wrap_unicens.c174
-rw-r--r--plugin/wrap_unicens.h43
-rw-r--r--plugin/wrap_volume.c137
-rw-r--r--plugin/wrap_volume.h34
16 files changed, 1570 insertions, 0 deletions
diff --git a/plugin/CMakeLists.txt b/plugin/CMakeLists.txt
new file mode 100644
index 0000000..df83eed
--- /dev/null
+++ b/plugin/CMakeLists.txt
@@ -0,0 +1,52 @@
+###########################################################################
+# Copyright 2015, 2016, 2017, 2018 IoT.bzh
+#
+# author: Jonathan Aillet <jonathan.aillet@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_SUBDIRECTORY(ucs2-vol)
+
+PROJECT_TARGET_ADD(hal-unicens)
+
+ # Define targets
+ ADD_LIBRARY(${TARGET_NAME} MODULE
+ most_unicens.c
+ wrap_unicens.c
+ wrap_volume.c
+ )
+
+ # Alsa Plugin properties
+ SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+ LABELS "PLUGIN"
+ PREFIX ""
+ SUFFIX ".ctlso"
+ OUTPUT_NAME ${TARGET_NAME}
+ )
+
+ # Library dependencies (include updates automatically)
+ TARGET_LINK_LIBRARIES(${TARGET_NAME}
+ afb-helpers
+ ctl-utilities
+ ucs2-volume
+ ${link_libraries}
+ )
+
+ target_include_directories(${TARGET_NAME}
+ PRIVATE "${CMAKE_SOURCE_DIR}/app-controller/ctl-lib"
+ PRIVATE "${CMAKE_SOURCE_DIR}/4a-hal/4a-hal-controllers"
+ PRIVATE "${CMAKE_SOURCE_DIR}/4a-hal/4a-hal-manager"
+ PRIVATE "${CMAKE_SOURCE_DIR}/4a-hal/4a-hal-utilities"
+ PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/ucs2-vol/inc"
+ )
diff --git a/plugin/most_unicens.c b/plugin/most_unicens.c
new file mode 100644
index 0000000..0bd8ec4
--- /dev/null
+++ b/plugin/most_unicens.c
@@ -0,0 +1,195 @@
+/*
+ * 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 <wrap-json.h>
+
+#include <ctl-plugin.h>
+
+#include "wrap_unicens.h"
+#include "wrap_volume.h"
+
+CTLP_CAPI_REGISTER("hal-unicens")
+
+#define PCM_MAX_CHANNELS 6
+
+AFB_ApiT unicensHalApiHandle;
+
+static uint8_t initialized = 0;
+
+// Call at initialisation time
+CTLP_ONLOAD(plugin, callbacks)
+{
+ AFB_ApiNotice(plugin->api, "Hal-Unicens Plugin Register: uid='%s' 'info='%s'", plugin->uid, plugin->info);
+
+ unicensHalApiHandle = plugin->api;
+
+ return 0;
+}
+
+CTLP_CAPI(MasterVol, source, argsJ, queryJ)
+{
+ int master_volume;
+
+ json_object *valueJ;
+
+ 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));
+ return -1;
+ }
+
+ 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));
+ return -2;
+ }
+
+ 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));
+ return -3;
+ }
+
+ master_volume = json_object_get_int(valueJ);
+ wrap_volume_master(source->api, master_volume);
+
+ return 0;
+}
+
+CTLP_CAPI(MasterSwitch, source, argsJ, queryJ)
+{
+ json_bool master_switch;
+ json_object *valueJ;
+
+ if(! initialized) {
+ AFB_ApiWarning(source->api, "%s: Link to unicens binder is not initialized, can't set master switch, value=%s", __func__, json_object_get_string(queryJ));
+ return -1;
+ }
+
+ 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));
+ return -2;
+ }
+
+ // In case if alsa doesn't return a proper json boolean
+ valueJ = json_object_array_get_idx(queryJ, 0);
+ switch(json_object_get_type(valueJ)) {
+ case json_type_boolean:
+ master_switch = json_object_get_boolean(valueJ);
+ break;
+
+ case json_type_int:
+ master_switch = json_object_get_int(valueJ);
+ break;
+
+ default:
+ AFB_ApiError(source->api, "%s: invalid json (should be an array of boolean/int) value=%s", __func__, json_object_get_string(queryJ));
+ return -3;
+ }
+
+ // TBD: implement pause action for Unicens
+ AFB_ApiWarning(source->api, "%s: Try to set master switch to %i, but function is not implemented", __func__, (int) master_switch);
+
+ return 0;
+}
+
+CTLP_CAPI(PCMVol, source, argsJ, queryJ)
+{
+ int idx;
+ int pcm_volume[PCM_MAX_CHANNELS];
+
+ json_object *valueJ;
+
+ if(! initialized) {
+ AFB_ApiWarning(source->api, "%s: Link to unicens binder is not initialized, can't set PCM volume, value=%s", __func__, json_object_get_string(queryJ));
+ return -1;
+ }
+
+ 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));
+ return -1;
+ }
+
+ for(idx = 0; idx < json_object_array_length(queryJ); idx++) {
+ valueJ = json_object_array_get_idx(queryJ, idx);
+ 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));
+ return -2;
+ }
+
+ pcm_volume[idx] = json_object_get_int(valueJ);
+ }
+
+ // If control only has one value, then replicate the first value
+ for(idx = idx; idx < 6; idx ++)
+ pcm_volume[idx] = pcm_volume[0];
+
+ wrap_volume_pcm(source->api, pcm_volume, PCM_MAX_CHANNELS);
+
+ return 0;
+}
+
+/* initializes ALSA sound card, UNICENS API */
+CTLP_CAPI(Init, source, argsJ, queryJ)
+{
+ int err = 0;
+ int pcm_volume[PCM_MAX_CHANNELS] = { 80, 80, 80, 80, 80, 80 };
+
+ AFB_ApiNotice(source->api, "Initializing HAL-MOST-UNICENS-BINDING");
+
+ if((err = wrap_ucs_subscribe_sync(source->api))) {
+ AFB_ApiError(source->api, "Failed to subscribe to UNICENS binding");
+ return err;
+ }
+
+ if((err = wrap_volume_init())) {
+ AFB_ApiError(source->api, "Failed to initialize wrapper for volume library");
+ return err;
+ }
+
+ // 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);
+
+ AFB_ApiNotice(source->api, "Initializing HAL-MOST-UNICENS-BINDING done..");
+
+ initialized = 1;
+
+ return 0;
+}
+
+// This receive UNICENS events
+CTLP_CAPI(Events, source, argsJ, queryJ)
+{
+ int node;
+ int available;
+
+ if(wrap_json_unpack(queryJ, "{s:i,s:b}", "node", &node, "available", &available)) {
+ AFB_ApiNotice(source->api, "Node-Availability: node=0x%03X, available=%d", node, available);
+ wrap_volume_node_avail(source->api, node, available);
+ }
+
+ return 0;
+}
diff --git a/plugin/ucs2-vol/CMakeLists.txt b/plugin/ucs2-vol/CMakeLists.txt
new file mode 100644
index 0000000..c734639
--- /dev/null
+++ b/plugin/ucs2-vol/CMakeLists.txt
@@ -0,0 +1,26 @@
+###########################################################################
+# 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.
+###########################################################################
+
+
+
+# Define subproject targets
+ADD_SUBDIRECTORY(src)
+
+
+
+
diff --git a/plugin/ucs2-vol/inc/device_container.h b/plugin/ucs2-vol/inc/device_container.h
new file mode 100644
index 0000000..9fabdb5
--- /dev/null
+++ b/plugin/ucs2-vol/inc/device_container.h
@@ -0,0 +1,59 @@
+/*
+ * libmostvolume example
+ *
+ * Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#ifndef DEVICECONTAINER_H
+#define DEVICECONTAINER_H
+
+#include "device_value.h"
+#include "libmostvolume.h"
+
+class CDeviceContainer {
+
+public:
+ CDeviceContainer();
+ virtual ~CDeviceContainer();
+
+ void AssignService(lib_most_volume_init_t *init_ptr) {_init_ptr = init_ptr;}
+
+ void RegisterValues(CDeviceValue** list_pptr, uint16_t list_sz);
+ void SetValue(uint16_t key, uint8_t value);
+ void ClearValues();
+ void Update();
+ void ChangeNodeAvailable(uint16_t address, bool available);
+
+private:
+ void RequestService(uint16_t timeout);
+ void IncrementProcIndex(void);
+ void HandleI2cResult(uint8_t result);
+ static void OnI2cResult(uint8_t result, void *obj_ptr);
+
+ uint16_t _idx_processing;
+ uint16_t _values_sz;
+ CDeviceValue **_values_pptr;
+ bool _tx_busy;
+ bool _service_requested;
+ lib_most_volume_init_t *_init_ptr;
+};
+
+#endif /* DEVICECONTAINER_H */
+
diff --git a/plugin/ucs2-vol/inc/device_value.h b/plugin/ucs2-vol/inc/device_value.h
new file mode 100644
index 0000000..fe6d3a5
--- /dev/null
+++ b/plugin/ucs2-vol/inc/device_value.h
@@ -0,0 +1,101 @@
+/*
+ * libmostvolume example
+ *
+ * Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#ifndef DEVICEVALUE_H
+#define DEVICEVALUE_H
+
+#include <stdint.h>
+#include "libmostvolume.h"
+
+struct SRxMessage {
+ uint32_t devInst; /*instance if multiple devices are using the same group id*/
+ uint32_t sourceAddr;
+ uint32_t targetAddr;
+ uint32_t nFBlock;
+ uint32_t nInst;
+ uint32_t nFunc;
+ uint32_t nOpType;
+ const uint8_t *pPayload;
+ uint32_t payloadLen;
+};
+
+struct STxMessage {
+ uint32_t devInst; /*instance if multiple devices are using the same group id*/
+ uint32_t targetAddr;
+ uint32_t nFBlock;
+ uint32_t nInst;
+ uint32_t nFunc;
+ uint32_t nOpType;
+ const uint8_t *pPayload;
+ uint32_t payloadLen;
+};
+
+enum DeviceValueType {
+ DEVICE_VAL_MASTER = 0,
+ DEVICE_VAL_LEFT = 1,
+ DEVICE_VAL_RIGHT = 2
+
+};
+
+class CDeviceValue {
+public:
+ CDeviceValue(uint16_t address, DeviceValueType type, uint16_t key);
+ virtual ~CDeviceValue();
+
+ uint16_t GetKey(){return _key;}
+ DeviceValueType GetType(){return _type;} // returns the assigned type
+ void SetValue(uint8_t value){_target_value = value;} // sets desired value
+
+ bool RequiresUpdate(); // returns true if target is not actual value
+ // returns true if success, false if failed
+ // -> stop transmission
+ bool FireUpdateMessage(lib_most_volume_writei2c_cb_t writei2c_fptr,
+ lib_most_volume_writei2c_result_cb_t result_fptr,
+ void *result_user_ptr);// fires message & updates actual value
+
+ void SetAvailable(bool active){this->_is_available = active; _actual_value = 0x01u;}
+ bool IsAvailable() {return this->_is_available;}
+ uint16_t GetAddress() {return this->_address;}
+
+private:
+ void ApplyMostValue(uint8_t value, DeviceValueType type, uint8_t tx_payload[]);
+ void HandleI2cResult(uint8_t result);
+ static void OnI2cResult(uint8_t result, void *obj_ptr);
+
+ bool _is_available; // related node is available
+ bool _is_busy; // do not update while busy
+ DeviceValueType _type; // determines the remote i2c command
+ uint16_t _key; // lookup key
+ uint16_t _address; // target node/group address
+ uint8_t _target_value; // desired value
+ uint8_t _transmitted_value;// value pending during transmission
+ uint8_t _actual_value; // value set and confirmed via network
+ uint8_t _tx_payload[20];
+ uint8_t _tx_payload_sz;
+
+ lib_most_volume_writei2c_result_cb_t _result_fptr;
+ void *_result_user_ptr;
+};
+
+#endif /* DEVICEPROPERTY_H */
+
diff --git a/plugin/ucs2-vol/inc/libmostvolume.h b/plugin/ucs2-vol/inc/libmostvolume.h
new file mode 100644
index 0000000..1147993
--- /dev/null
+++ b/plugin/ucs2-vol/inc/libmostvolume.h
@@ -0,0 +1,111 @@
+/*
+ * libmostvolume example
+ *
+ * Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#ifndef LIB_MOST_VOLUME_H
+#define LIB_MOST_VOLUME_H
+
+#include <stdint.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Describes the volume control */
+enum lib_most_volume_channel_t{
+ LIB_MOST_VOLUME_CH_FRONT_LEFT = 0,
+ LIB_MOST_VOLUME_CH_FRONT_RIGHT = 1,
+ LIB_MOST_VOLUME_CH_REAR_LEFT = 2,
+ LIB_MOST_VOLUME_CH_REAR_RIGHT = 3,
+ LIB_MOST_VOLUME_CH_CENTER = 4,
+ LIB_MOST_VOLUME_CH_SUB = 5,
+ LIB_MOST_VOLUME_MASTER = 6
+};
+
+/** Is fired when the application shall call "lib_most_volume_service()" after a certain time
+ * \param timeout Time in ms after which the application shall call lib_most_volume_service().
+ * Valid values:
+ * 0x0000: as soon as possible,
+ * 0x0001..0xFFFE: timeout in ms,
+ * 0xFFFF: never
+ */
+typedef void (*lib_most_volume_service_cb_t)(uint16_t timeout);
+
+typedef void (*lib_most_volume_writei2c_result_cb_t)(uint8_t result, void *user_ptr);
+
+/** Callback function required to write volume changes to network devices
+ * \param node The node address
+ * \param data_ptr I2C command data
+ * \param data_sz Size of the I2C command data
+ * \return Returns \c 0 for success, other value on failure.
+ */
+typedef int (*lib_most_volume_writei2c_cb_t)(uint16_t node, uint8_t *data_ptr, uint8_t data_sz,
+ lib_most_volume_writei2c_result_cb_t result_fptr,
+ void *result_user_ptr);
+
+typedef struct lib_most_volume_init_ {
+ lib_most_volume_service_cb_t service_cb;
+ lib_most_volume_writei2c_cb_t writei2c_cb;
+
+} lib_most_volume_init_t;
+
+
+/** Initializes the library
+ * \param UNICENS_inst Reference to the UNICENS instance, created by the application.
+ * \param req_service_fptr Callback function which is fired if the application shall call
+ * lib_most_volume_service.
+ * \return '0' on success, otherwise value >'0'.
+ */
+extern uint8_t lib_most_volume_init(lib_most_volume_init_t *init_ptr);
+
+/** Terminates the library
+ * \return '0' on success, otherwise value >'0'.
+ */
+extern uint8_t lib_most_volume_exit(void);
+
+/** Sets a single volume value.
+ * \param channel The volume control to be set.
+ * \param volume The volume value to be set. Valid values: 0..255.
+ * \return '0' on success, otherwise value >'0'.
+ */
+extern uint8_t lib_most_volume_set(enum lib_most_volume_channel_t channel, uint8_t volume);
+
+/** Must be called when the availability of a node has changed
+ * \param address The node address
+ * \param available Availability: 0 - not available, 1 - available
+ * \return '0' on success, otherwise value >'0'.
+ */
+extern uint8_t lib_most_volume_node_available(uint16_t address, uint8_t available);
+
+/** Shall be called either cyclically (e.g. 50ms -> polling) or after "timeout"
+ * when "service_fptr" is fired (-> event triggered).
+ * \return '0' on success, otherwise value >'0'.
+ */
+extern uint8_t lib_most_volume_service(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LIB_MOST_VOLUME_H */
+
diff --git a/plugin/ucs2-vol/inc/setup.h b/plugin/ucs2-vol/inc/setup.h
new file mode 100644
index 0000000..e7cda01
--- /dev/null
+++ b/plugin/ucs2-vol/inc/setup.h
@@ -0,0 +1,71 @@
+/*
+ * libmostvolume example
+ *
+ * Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#ifndef SETUP_H
+#define SETUP_H
+
+#include "libmostvolume.h"
+#include "device_value.h"
+#include "device_container.h"
+
+#define MAX_CHANNELS (LIB_MOST_VOLUME_MASTER + 1u)
+#define MAX_MASTERS 3u
+
+class CSetup {
+
+public:
+ void Configure(lib_most_volume_init_t *init_ptr);
+ void SetVolume(enum lib_most_volume_channel_t channel, uint8_t volume);
+ void Update();
+ void SetNodeAvailable(uint16_t address, bool available);
+
+private:
+ CDeviceValue _volume_amp_270_m;
+ CDeviceValue _volume_amp_270_l;
+ CDeviceValue _volume_amp_270_r;
+
+ CDeviceValue _volume_amp_271_m;
+ CDeviceValue _volume_amp_271_l;
+ CDeviceValue _volume_amp_271_r;
+
+ CDeviceValue _volume_amp_272_m;
+ CDeviceValue _volume_amp_272_l;
+ CDeviceValue _volume_amp_272_r;
+
+ CDeviceContainer _value_container;
+ lib_most_volume_init_t init_data;
+
+public:
+ static CSetup* GetInstance(); // singleton
+ static void Release(); // singleton
+
+protected:
+ CSetup(); // singleton
+ virtual ~CSetup(); // singleton
+
+private:
+ static CSetup* _instance; // singleton
+};
+
+#endif /* SETUP_H */
+
diff --git a/plugin/ucs2-vol/src/CMakeLists.txt b/plugin/ucs2-vol/src/CMakeLists.txt
new file mode 100644
index 0000000..1be7184
--- /dev/null
+++ b/plugin/ucs2-vol/src/CMakeLists.txt
@@ -0,0 +1,39 @@
+###########################################################################
+# 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(ucs2-volume)
+
+# Define targets source files
+ADD_LIBRARY(${TARGET_NAME} STATIC device_container.cpp device_value.cpp libmostvolume.cpp setup.cpp)
+
+ # Library properties
+ SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+ OUTPUT_NAME ${TARGET_NAME}
+ )
+
+ # Library dependencies from PKG_REQUIRED_LIST
+ #TARGET_LINK_LIBRARIES(ucs2-volume # Library dependencies (include updates automatically)
+ # ${link_libraries}
+ #)
+
+ # Define properties to expose when others use this target
+ TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME}
+ PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../inc
+ )
+
diff --git a/plugin/ucs2-vol/src/device_container.cpp b/plugin/ucs2-vol/src/device_container.cpp
new file mode 100644
index 0000000..0639c10
--- /dev/null
+++ b/plugin/ucs2-vol/src/device_container.cpp
@@ -0,0 +1,187 @@
+/*
+ * libmostvolume example
+ *
+ * Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#include <stddef.h>
+#include "device_container.h"
+
+#define DEVCONT_TIME_RETRIGGER (uint16_t)30U
+#define DEVCONT_TIME_NOW (uint16_t)0U
+#define DEVCONT_TIME_STOP (uint16_t)0xFFFFU
+
+#define DEVCONT_UNUSED(a) (a = a)
+
+CDeviceContainer::CDeviceContainer()
+{
+ this->_idx_processing = 0U;
+ this->_values_pptr = NULL;
+ this->_values_sz = 0U;
+ this->_tx_busy = false;
+ this->_service_requested = false;
+ this->_init_ptr = NULL;
+}
+
+CDeviceContainer::~CDeviceContainer()
+{
+ /*Clb_RegisterI2CResultCB(NULL, NULL);*/ /* avoid that the result callback is fired after object is destroyed */
+}
+
+void CDeviceContainer::RegisterValues(CDeviceValue** list_pptr, uint16_t list_sz)
+{
+ this->_idx_processing = 0U;
+ this->_values_pptr = list_pptr;
+ this->_values_sz = list_sz;
+ this->_tx_busy = false;
+
+ if ((list_pptr != NULL) && (list_sz > 0U))
+ {
+ this->_idx_processing = (uint16_t)(list_sz - 1U);
+ }
+}
+
+void CDeviceContainer::ClearValues()
+{
+ this->_idx_processing = 0U;
+ this->_values_pptr = NULL;
+ this->_values_sz = 0U;
+ this->_tx_busy = false;
+}
+
+void CDeviceContainer::SetValue(uint16_t key, uint8_t value)
+{
+ uint16_t idx;
+ bool req_update = false;
+
+ for (idx = 0U; idx < this->_values_sz; idx++)
+ {
+ if (this->_values_pptr[idx]->GetKey() == key)
+ {
+ this->_values_pptr[idx]->SetValue(value);
+ if (this->_values_pptr[idx]->RequiresUpdate())
+ {
+ req_update = true;
+ }
+ }
+ }
+
+ if (req_update && (!this->_tx_busy))
+ {
+ RequestService(DEVCONT_TIME_NOW); //fire callback
+ }
+}
+
+void CDeviceContainer::IncrementProcIndex(void)
+{
+ if ((_idx_processing + 1U) >= this->_values_sz)
+ {
+ _idx_processing = 0U;
+ }
+ else
+ {
+ _idx_processing++;
+ }
+}
+
+// starts at latest position, searches next value to update, waits until response
+void CDeviceContainer::Update()
+{
+ uint16_t cnt;
+ bool error = false;
+ _service_requested = false;
+
+ if (this->_tx_busy)
+ {
+ return;
+ }
+
+ for (cnt = 0u; cnt < this->_values_sz; cnt++) /* just run one cycle */
+ {
+ IncrementProcIndex();
+
+ if (_values_pptr[_idx_processing]->RequiresUpdate())
+ {
+ if (_values_pptr[_idx_processing]->FireUpdateMessage(this->_init_ptr->writei2c_cb,
+ &OnI2cResult,
+ this))
+ {
+ this->_tx_busy = true;
+ error = false;
+ break;
+ }
+ else
+ {
+ error = true;
+ break;
+ }
+ }
+ }
+
+ if (error)
+ {
+ RequestService(DEVCONT_TIME_RETRIGGER);
+ }
+}
+
+void CDeviceContainer::HandleI2cResult(uint8_t result)
+{
+ this->_tx_busy = false;
+ if (result == 0)
+ this->RequestService(DEVCONT_TIME_NOW);
+ else
+ this->RequestService(DEVCONT_TIME_RETRIGGER);
+}
+
+void CDeviceContainer::OnI2cResult(uint8_t result, void *obj_ptr)
+{
+ ((CDeviceContainer*)obj_ptr)->HandleI2cResult(result);
+}
+
+void CDeviceContainer::RequestService(uint16_t timeout)
+{
+ if (!_service_requested)
+ {
+ _service_requested = true;
+
+ if (this->_init_ptr && this->_init_ptr->service_cb)
+ {
+ this->_init_ptr->service_cb(timeout);
+ }
+ }
+}
+
+void CDeviceContainer::ChangeNodeAvailable(uint16_t address, bool available)
+{
+ uint16_t idx;
+
+ for (idx = 0U; idx < this->_values_sz; idx++)
+ {
+ if (this->_values_pptr[idx]->GetAddress() == address)
+ {
+ this->_values_pptr[idx]->SetAvailable(available);
+ }
+ }
+
+ if (available)
+ {
+ RequestService(DEVCONT_TIME_RETRIGGER);
+ }
+}
diff --git a/plugin/ucs2-vol/src/device_value.cpp b/plugin/ucs2-vol/src/device_value.cpp
new file mode 100644
index 0000000..b6ec4d5
--- /dev/null
+++ b/plugin/ucs2-vol/src/device_value.cpp
@@ -0,0 +1,148 @@
+/*
+ * libmostvolume example
+ *
+ * Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+#include <stddef.h>
+#include "device_value.h"
+#include "setup.h"
+
+#define MUTE_VALUE 0x03FFU
+#define MUTE_VALUE_HB 0x03U
+#define MUTE_VALUE_LB 0xFFU
+
+#define CONTROL_MASTER 0x07U
+#define CONTROL_CH_1 0x08U
+#define CONTROL_CH_2 0x09U
+
+CDeviceValue::CDeviceValue(uint16_t address, DeviceValueType type, uint16_t key)
+{
+ this->_is_available = false;
+ this->_is_busy = false;
+ this->_address = address;
+ this->_target_value = 0x01u;
+ this->_actual_value = 0x01u;
+
+ this->_result_fptr = NULL;
+ this->_result_user_ptr = NULL;
+
+ this->_type = type;
+ this->_key = key;
+
+ _tx_payload[0] = CONTROL_MASTER;// 7: master, 8: channel 1, 9: Channel 2
+ _tx_payload[1] = MUTE_VALUE_HB; //HB:Volume
+ _tx_payload[2] = MUTE_VALUE_LB; //LB:Volume
+ _tx_payload_sz = 3u;
+}
+
+CDeviceValue::~CDeviceValue()
+{
+}
+
+void CDeviceValue::ApplyMostValue(uint8_t value, DeviceValueType type, uint8_t tx_payload[])
+{
+ uint16_t tmp = MUTE_VALUE;
+
+ switch (type)
+ {
+ case DEVICE_VAL_LEFT:
+ tmp = (uint16_t)(0x80U + 0x37FU - (0x37FU * ((int32_t)value) / (0xFFU)));
+ //tmp = 0x3FF - (0x3FF * ((int32_t)value) / (0xFF));
+ //tmp = 0x100 + 0x2FF - (0x2FF * ((int32_t)value) / (0xFF));
+ tx_payload[0] = CONTROL_CH_1;
+ break;
+ case DEVICE_VAL_RIGHT:
+ tmp = (uint16_t)(0x80U + 0x37FU - (0x37FU * ((int32_t)value) / (0xFFU)));
+ //tmp = 0x3FF - (0x3FF * ((int32_t)value) / (0xFF));
+ //tmp = 0x100 + 0x2FF - (0x2FF * ((int32_t)value) / (0xFF));
+ tx_payload[0] = CONTROL_CH_2;
+ break;
+ default:
+ /*std::cerr << "CDeviceValue::ApplyMostValue() error matching incorrect" << std::endl;*/
+ case DEVICE_VAL_MASTER:
+ tmp = (uint16_t)(0x100U + 0x2FFU - (0x2FFU * ((int32_t)value) / (0xFFU)));
+ tx_payload[0] = CONTROL_MASTER;
+ break;
+ }
+
+ tx_payload[1] = (uint8_t)((tmp >> 8U) & (uint16_t)0xFFU); //HB:Volume
+ tx_payload[2] = (uint8_t)(tmp & (uint16_t)0xFFU); //LB:Volume
+}
+
+// returns true if target is not actual value
+bool CDeviceValue::RequiresUpdate()
+{
+ if (this->_is_available && !this->_is_busy && (this->_target_value != this->_actual_value))
+ {
+ return true;
+ }
+
+ return false;
+}
+
+bool CDeviceValue::FireUpdateMessage(lib_most_volume_writei2c_cb_t writei2c_fptr,
+ lib_most_volume_writei2c_result_cb_t result_fptr,
+ void *result_user_ptr)
+{
+ int ret = -1;
+ ApplyMostValue(this->_target_value, _type, _tx_payload);
+
+ if (this->_is_available && !this->_is_busy)
+ {
+ ret = writei2c_fptr(this->_address, &_tx_payload[0], _tx_payload_sz,
+ &OnI2cResult,
+ this);
+
+ if (ret == 0)
+ {
+ this->_transmitted_value = this->_target_value;
+ this->_is_busy = true;
+ this->_result_fptr = result_fptr;
+ this->_result_user_ptr = result_user_ptr;
+ return true;
+ }
+ }
+
+ return false;
+}
+
+void CDeviceValue::HandleI2cResult(uint8_t result)
+{
+ if (result == 0)
+ {
+ /* transmission succeeded - now apply transmitted value */
+ this->_actual_value = this->_transmitted_value;
+ }
+
+ if (this->_result_fptr)
+ {
+ /* notify container */
+ this->_result_fptr(result, this->_result_user_ptr);
+ }
+
+ this->_result_fptr = NULL;
+ this->_result_user_ptr = NULL;
+ this->_is_busy = false;
+}
+
+void CDeviceValue::OnI2cResult(uint8_t result, void *obj_ptr)
+{
+ ((CDeviceValue*)obj_ptr)->HandleI2cResult(result);
+}
diff --git a/plugin/ucs2-vol/src/libmostvolume.cpp b/plugin/ucs2-vol/src/libmostvolume.cpp
new file mode 100644
index 0000000..519e2cf
--- /dev/null
+++ b/plugin/ucs2-vol/src/libmostvolume.cpp
@@ -0,0 +1,99 @@
+/*
+ * libmostvolume example
+ *
+ * Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#include "libmostvolume.h"
+#include "setup.h"
+/*#include <iostream>*/
+
+static bool _running = false;
+
+extern "C" uint8_t lib_most_volume_init(lib_most_volume_init_t *init_ptr)
+{
+ uint8_t success = 1U;
+ /*std::cerr << "lib_most_volume_init(): called" << std::endl;*/
+
+ if (!_running && init_ptr)
+ {
+ CSetup::GetInstance()->Configure(init_ptr);
+ success = 0U;
+ _running = true;
+ }
+
+ return success;
+}
+
+extern "C" uint8_t lib_most_volume_exit(void)
+{
+ uint8_t success = 1U;
+ /*std::cerr << "lib_most_volume_exit(): called" << std::endl;*/
+
+ if (_running)
+ {
+ CSetup::Release();
+ success = 0U;
+ _running = false;
+ }
+
+ return success;
+}
+
+extern "C" uint8_t lib_most_volume_set(enum lib_most_volume_channel_t channel, uint8_t volume)
+{
+ uint8_t success = 1U;
+ /*std::cerr << "lib_most_volume_set(): channel=" << channel << ", volume=" << (int)volume << std::endl;*/
+
+ if (_running)
+ {
+ CSetup::GetInstance()->SetVolume(channel, volume);
+ success = 0U;
+ }
+
+ return success;
+}
+
+extern uint8_t lib_most_volume_node_available(uint16_t address, uint8_t available)
+{
+ uint8_t success = 1U;
+
+ if (_running)
+ {
+ CSetup::GetInstance()->SetNodeAvailable(address, available);
+ success = 0U;
+ }
+
+ return success;
+}
+
+extern "C" uint8_t lib_most_volume_service(void)
+{
+ uint8_t success = 1U;
+ /*std::cerr << "lib_most_volume_service(): called" << std::endl;*/
+
+ if (_running)
+ {
+ CSetup::GetInstance()->Update();
+ success = 0U;
+ }
+
+ return success;
+}
diff --git a/plugin/ucs2-vol/src/setup.cpp b/plugin/ucs2-vol/src/setup.cpp
new file mode 100644
index 0000000..dd6675b
--- /dev/null
+++ b/plugin/ucs2-vol/src/setup.cpp
@@ -0,0 +1,94 @@
+/*
+ * libmostvolume example
+ *
+ * Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+#include <stddef.h>
+#include "setup.h"
+
+CSetup* CSetup::_instance = NULL;
+
+// singleton
+CSetup* CSetup::GetInstance() {
+ if (_instance == NULL) {
+ _instance = new CSetup();
+ }
+
+ return _instance;
+}
+
+// singleton
+void CSetup::Release() {
+ if (_instance != NULL) {
+ delete _instance;
+ }
+ _instance = NULL;
+}
+
+CSetup::CSetup()
+ : _volume_amp_270_m(0x270U, DEVICE_VAL_MASTER, LIB_MOST_VOLUME_MASTER),
+ _volume_amp_270_l(0x270U, DEVICE_VAL_LEFT, LIB_MOST_VOLUME_CH_FRONT_LEFT),
+ _volume_amp_270_r(0x270U, DEVICE_VAL_RIGHT, LIB_MOST_VOLUME_CH_FRONT_RIGHT),
+ _volume_amp_271_m(0x271U, DEVICE_VAL_MASTER, LIB_MOST_VOLUME_MASTER),
+ _volume_amp_271_l(0x271U, DEVICE_VAL_LEFT, LIB_MOST_VOLUME_CH_REAR_LEFT),
+ _volume_amp_271_r(0x271U, DEVICE_VAL_RIGHT, LIB_MOST_VOLUME_CH_REAR_RIGHT),
+ _volume_amp_272_m(0x272U, DEVICE_VAL_MASTER, LIB_MOST_VOLUME_MASTER),
+ _volume_amp_272_l(0x272U, DEVICE_VAL_LEFT, LIB_MOST_VOLUME_CH_CENTER),
+ _volume_amp_272_r(0x272U, DEVICE_VAL_RIGHT, LIB_MOST_VOLUME_CH_SUB),
+ _value_container()
+{
+ static CDeviceValue* value_list[9] = { &_volume_amp_270_m,
+ &_volume_amp_270_l,
+ &_volume_amp_270_r,
+ &_volume_amp_271_m,
+ &_volume_amp_271_l,
+ &_volume_amp_271_r,
+ &_volume_amp_272_m,
+ &_volume_amp_272_l,
+ &_volume_amp_272_r};
+
+ _value_container.RegisterValues(value_list, 9U);
+}
+
+CSetup::~CSetup()
+{
+
+}
+
+void CSetup::Configure(lib_most_volume_init_t *init_ptr)
+{
+ this->init_data = *init_ptr;
+ _value_container.AssignService(&this->init_data);
+}
+
+void CSetup::SetVolume(enum lib_most_volume_channel_t channel, uint8_t volume)
+{
+ _value_container.SetValue((uint16_t)channel, volume);
+}
+
+void CSetup::Update()
+{
+ _value_container.Update();
+}
+
+void CSetup::SetNodeAvailable(uint16_t address, bool available)
+{
+ _value_container.ChangeNodeAvailable(address, available);
+}
diff --git a/plugin/wrap_unicens.c b/plugin/wrap_unicens.c
new file mode 100644
index 0000000..1b9a913
--- /dev/null
+++ b/plugin/wrap_unicens.c
@@ -0,0 +1,174 @@
+/*
+ * 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 <wrap-json.h>
+
+#include <ctl-plugin.h>
+
+#include "wrap_unicens.h"
+
+typedef struct async_job_ {
+ wrap_ucs_result_cb_t result_fptr;
+ void *result_user_ptr;
+} async_job_t;
+
+typedef struct parse_result_ {
+ int done;
+ char *str_result;
+} parse_result_t;
+
+/*
+ * Subscribes to unicens2-binding events.
+ * \return Returns 0 if successful, otherwise != 0".
+ */
+extern int wrap_ucs_subscribe_sync(AFB_ApiT apiHandle)
+{
+ int err;
+
+ json_object *j_response, *j_query = NULL;
+
+ /* Build an empty JSON object */
+ if((err = wrap_json_pack(&j_query, "{}"))) {
+ AFB_ApiError(apiHandle, "Failed to create subscribe json object");
+ return err;
+ }
+
+ if((err = AFB_ServiceSync(apiHandle, "UNICENS", "subscribe", j_query, &j_response))) {
+ AFB_ApiError(apiHandle, "Fail subscribing to UNICENS events");
+ return err;
+ }
+ else {
+ AFB_ApiNotice(apiHandle, "Subscribed to UNICENS events, res=%s", json_object_to_json_string(j_response));
+ json_object_put(j_response);
+ }
+
+ return 0;
+}
+
+/*
+ * Write I2C command to a network node.
+ * \param node Node address
+ * \param ata_ptr Reference to command data
+ * \param data_sz Size of the command data. Valid values: 1..32.
+ * \return Returns 0 if successful, otherwise != 0".
+ */
+extern int wrap_ucs_i2cwrite_sync(AFB_ApiT apiHandle, uint16_t node, uint8_t *data_ptr, uint8_t data_sz)
+{
+ int err;
+ uint8_t cnt;
+
+ json_object *j_response, *j_query, *j_array = NULL;
+
+ j_query = json_object_new_object();
+ j_array = json_object_new_array();
+
+ if(! j_query || ! j_array) {
+ AFB_ApiError(apiHandle, "Failed to create writei2c json objects");
+ return -1;
+ }
+
+ for(cnt = 0U; cnt < data_sz; cnt++)
+ json_object_array_add(j_array, json_object_new_int(data_ptr[cnt]));
+
+ json_object_object_add(j_query, "node", json_object_new_int(node));
+ json_object_object_add(j_query, "data", j_array);
+
+ if((err = AFB_ServiceSync(apiHandle, "UNICENS", "writei2c", j_query, &j_response))) {
+ AFB_ApiError(apiHandle, "Failed to call writei2c_sync");
+ return err;
+ }
+ else {
+ AFB_ApiInfo(apiHandle, "Called writei2c_sync, res=%s", json_object_to_json_string(j_response));
+ json_object_put(j_response);
+ }
+
+ return 0;
+}
+
+/* ---------------------------- ASYNCHRONOUS API ---------------------------- */
+
+static void wrap_ucs_i2cwrite_cb(void *closure, int status, struct json_object *j_result, AFB_ApiT apiHandle)
+{
+ async_job_t *job_ptr;
+
+ AFB_ApiInfo(apiHandle, "%s: closure=%p status=%d, res=%s", __func__, closure, status, json_object_to_json_string(j_result));
+
+ if(closure) {
+ job_ptr = (async_job_t *) closure;
+
+ if(job_ptr->result_fptr)
+ job_ptr->result_fptr((uint8_t) abs(status), job_ptr->result_user_ptr);
+
+ free(closure);
+ }
+}
+
+/*
+ * Write I2C command to a network node.
+ * \param node Node address
+ * \param data_ptr Reference to command data
+ * \param data_sz Size of the command data. Valid values: 1..32.
+ * \return Returns 0 if successful, otherwise != 0".
+ */
+extern int wrap_ucs_i2cwrite(uint16_t node,
+ uint8_t *data_ptr,
+ uint8_t data_sz,
+ wrap_ucs_result_cb_t result_fptr,
+ void *result_user_ptr)
+{
+ uint8_t cnt;
+
+ json_object *j_query, *j_array = NULL;
+ async_job_t *job_ptr = NULL;
+
+ j_query = json_object_new_object();
+ j_array = json_object_new_array();
+
+ if(! j_query || ! j_array) {
+ AFB_ApiError(unicensHalApiHandle, "Failed to create writei2c json objects");
+ return -1;
+ }
+
+ for(cnt = 0U; cnt < data_sz; cnt++)
+ json_object_array_add(j_array, json_object_new_int(data_ptr[cnt]));
+
+ json_object_object_add(j_query, "node", json_object_new_int(node));
+ json_object_object_add(j_query, "data", j_array);
+
+ job_ptr = malloc(sizeof(async_job_t));
+
+ if(! job_ptr) {
+ AFB_ApiError(unicensHalApiHandle, "Failed to create async job object");
+ json_object_put(j_query);
+ return -2;
+ }
+
+ job_ptr->result_fptr = result_fptr;
+ job_ptr->result_user_ptr = result_user_ptr;
+
+ AFB_ServiceCall(unicensHalApiHandle, "UNICENS", "writei2c", j_query, wrap_ucs_i2cwrite_cb, job_ptr);
+ return 0;
+}
diff --git a/plugin/wrap_unicens.h b/plugin/wrap_unicens.h
new file mode 100644
index 0000000..aeb0da9
--- /dev/null
+++ b/plugin/wrap_unicens.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2018,, Microchip Technology Inc. and its subsidiaries, "IoT.bzh".
+ * Author Tobias Jahnke
+ * Author Jonathan Aillet
+ * 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.
+ *
+ */
+
+#pragma once
+
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include <ctl-plugin.h>
+
+extern AFB_ApiT unicensHalApiHandle;
+
+/* Asynchronous API: result callback */
+typedef void (*wrap_ucs_result_cb_t)(uint8_t result, void *user_ptr);
+
+/* Asynchronous API: functions */
+extern int wrap_ucs_i2cwrite(uint16_t node,
+ uint8_t *data_ptr,
+ uint8_t data_sz,
+ wrap_ucs_result_cb_t result_fptr,
+ void *result_user_ptr);
+
+/* Synchronous API: functions */
+extern int wrap_ucs_subscribe_sync(AFB_ApiT apiHandle);
+extern int wrap_ucs_i2cwrite_sync(AFB_ApiT apiHandle, uint16_t node, uint8_t *data_ptr, uint8_t data_sz);
diff --git a/plugin/wrap_volume.c b/plugin/wrap_volume.c
new file mode 100644
index 0000000..61b752f
--- /dev/null
+++ b/plugin/wrap_volume.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2018, Microchip Technology Inc. and its subsidiaries, "IoT.bzh".
+ * Author Tobias Jahnke
+ * Author Jonathan Aillet
+ * 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 <time.h>
+#include <assert.h>
+
+#include <wrap-json.h>
+
+#include <ctl-plugin.h>
+
+#include "wrap_volume.h"
+#include "wrap_unicens.h"
+
+#include "libmostvolume.h"
+
+#define MAX_PCM_CHANNELS 6
+
+static int wrap_volume_service_timeout_cb(sd_event_source* source,
+ uint64_t timer __attribute__((__unused__)),
+ void *userdata __attribute__((__unused__)))
+{
+ uint8_t ret;
+
+ sd_event_source_unref(source);
+
+ if((ret = lib_most_volume_service()))
+ AFB_ApiError(unicensHalApiHandle, "lib_most_volume_service returns %d", ret);
+
+ return 0;
+}
+
+static void wrap_volume_service_cb(uint16_t timeout)
+{
+ uint64_t usec;
+
+ sd_event_now(AFB_GetEventLoop(unicensHalApiHandle), CLOCK_BOOTTIME, &usec);
+
+ sd_event_add_time(AFB_GetEventLoop(unicensHalApiHandle),
+ NULL,
+ CLOCK_MONOTONIC,
+ usec + (timeout*1000),
+ 250,
+ wrap_volume_service_timeout_cb,
+ NULL);
+}
+
+/* Retrieves a new value adapted to a new maximum value. Minimum value is
+ * always zero. */
+static int wrap_volume_calculate(int value, int max_old, int max_new)
+{
+ if(value > max_old)
+ value = max_old;
+
+ value = (value * max_new) / max_old; /* calculate range: 0..255 */
+ assert(value <= max_new);
+
+ return value;
+}
+
+extern int wrap_volume_init(void)
+{
+ uint8_t ret = 0;
+
+ lib_most_volume_init_t mv_init;
+
+ mv_init.writei2c_cb = &wrap_ucs_i2cwrite;
+ mv_init.service_cb = wrap_volume_service_cb;
+
+ ret = lib_most_volume_init(&mv_init);
+
+ return -ret;
+}
+
+extern int wrap_volume_master(AFB_ApiT apiHandle, int volume)
+{
+ int ret;
+
+ if((ret = lib_most_volume_set(LIB_MOST_VOLUME_MASTER,
+ (uint8_t) wrap_volume_calculate(volume, 100, 255)))) {
+ AFB_ApiError(apiHandle, "%s: volume library not ready.", __func__);
+ }
+
+ return -ret;
+}
+
+extern int wrap_volume_pcm(AFB_ApiT apiHandle, int *volume_ptr, int volume_sz)
+{
+ int cnt, new_value, ret = 0;
+
+ assert(volume_ptr != NULL);
+ assert(volume_sz <= MAX_PCM_CHANNELS);
+
+ for(cnt = 0; cnt < volume_sz; cnt ++) {
+ new_value = wrap_volume_calculate(volume_ptr[cnt], 100, 255);
+
+ if((ret = lib_most_volume_set((enum lib_most_volume_channel_t) cnt, (uint8_t) new_value))) {
+ AFB_ApiError(apiHandle, "%s: volume library not ready.", __func__);
+ break;
+ }
+ }
+
+ return -ret;
+}
+
+extern int wrap_volume_node_avail(AFB_ApiT apiHandle, int node, int available)
+{
+ int ret;
+
+ if((ret = lib_most_volume_node_available((uint16_t) node, (uint8_t) available)))
+ AFB_ApiError(apiHandle, "%s: volume library not ready.", __func__);
+
+ return -ret;
+}
+
diff --git a/plugin/wrap_volume.h b/plugin/wrap_volume.h
new file mode 100644
index 0000000..7cdcd93
--- /dev/null
+++ b/plugin/wrap_volume.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018, Microchip Technology Inc. and its subsidiaries, "IoT.bzh".
+ * Author Tobias Jahnke
+ * Author Jonathan Aillet
+ * 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.
+ *
+ */
+
+#pragma once
+
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include <systemd/sd-event.h>
+
+#include <ctl-plugin.h>
+
+extern int wrap_volume_init(void);
+extern int wrap_volume_master(AFB_ApiT apiHandle, int volume);
+extern int wrap_volume_pcm(AFB_ApiT apiHandle, int *volume_ptr, int volume_sz);
+extern int wrap_volume_node_avail(AFB_ApiT apiHandle, int node, int available); \ No newline at end of file