aboutsummaryrefslogtreecommitdiffstats
path: root/binding
diff options
context:
space:
mode:
authorTobias Jahnke <tobias.jahnke@microchip.com>2019-08-09 14:12:09 +0200
committerTobias Jahnke <tobias.jahnke@microchip.com>2019-08-12 08:52:11 +0200
commitfa46d3cd2c0166d064a720bd5e621b11751a9977 (patch)
tree17f954cd224f80557d615cb0db537c962e298c3c /binding
parent114741ed6314cf042460804effdab399936585cc (diff)
unicens-controller: insert initial code of service
Bug-AGL: SPEC-2738 - adds service widget to control microphone mode, amplifier and slimamp master volume Signed-off-by: Tobias Jahnke <tobias.jahnke@microchip.com> Change-Id: I2463b0351c740c738e35185997d926a602bb2489 Signed-off-by: Tobias Jahnke <tobias.jahnke@microchip.com>
Diffstat (limited to 'binding')
-rw-r--r--binding/CMakeLists.txt48
-rw-r--r--binding/amplifier/CMakeLists.txt32
-rw-r--r--binding/amplifier/amplifier.c124
-rw-r--r--binding/amplifier/amplifier.h27
-rw-r--r--binding/binding.c81
-rw-r--r--binding/microphone/CMakeLists.txt32
-rw-r--r--binding/microphone/microphone.c153
-rw-r--r--binding/microphone/microphone.h26
-rw-r--r--binding/slimamp/CMakeLists.txt32
-rw-r--r--binding/slimamp/slimamp.c110
-rw-r--r--binding/slimamp/slimamp.h21
-rw-r--r--binding/wrap-unicens/CMakeLists.txt27
-rw-r--r--binding/wrap-unicens/wrap-unicens.c228
-rw-r--r--binding/wrap-unicens/wrap-unicens.h44
14 files changed, 985 insertions, 0 deletions
diff --git a/binding/CMakeLists.txt b/binding/CMakeLists.txt
new file mode 100644
index 0000000..88abfaf
--- /dev/null
+++ b/binding/CMakeLists.txt
@@ -0,0 +1,48 @@
+################################################################################
+# Copyright 2019 Microchip Technology Inc. and its subsidiaries
+#
+# 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(amplifier)
+add_subdirectory(slimamp)
+add_subdirectory(microphone)
+add_subdirectory(wrap-unicens)
+
+# Add target to project dependency list
+PROJECT_TARGET_ADD(ucs2-ctrl)
+ # Define project Targets
+ ADD_LIBRARY(${TARGET_NAME} MODULE binding.c)
+
+ TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME} PUBLIC
+ ${CMAKE_CURRENT_SOURCE_DIR}/amplifier
+ ${CMAKE_CURRENT_SOURCE_DIR}/slimamp
+ ${CMAKE_CURRENT_SOURCE_DIR}/microphone
+ ${CMAKE_CURRENT_SOURCE_DIR}/wrap-unicens
+ )
+
+ # Binder exposes a unique public entry point
+ SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+ PREFIX "afb-"
+ LABELS "BINDING"
+ OUTPUT_NAME ${TARGET_NAME}
+ )
+
+ # Library dependencies (include updates automatically)
+ TARGET_LINK_LIBRARIES(${TARGET_NAME}
+ ucs-slimamp
+ ucs-amplifier
+ ucs-microphone
+ ucs-wrapper
+ ${link_libraries}
+ )
diff --git a/binding/amplifier/CMakeLists.txt b/binding/amplifier/CMakeLists.txt
new file mode 100644
index 0000000..744fee6
--- /dev/null
+++ b/binding/amplifier/CMakeLists.txt
@@ -0,0 +1,32 @@
+################################################################################
+# Copyright 2019 Microchip Technology Inc. and its subsidiaries
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+################################################################################
+
+# Add target to project dependency list
+PROJECT_TARGET_ADD(ucs-amplifier)
+
+# Define targets source files
+ADD_LIBRARY(${TARGET_NAME} STATIC amplifier.c)
+
+ # Expose Library Properties
+ SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES OUTPUT_NAME amplifier)
+
+ # Library dependencies from PKG_REQUIRED_LIST
+ TARGET_LINK_LIBRARIES(${TARGET_NAME} ${link_libraries} m)
+
+ # Define properties to expose when others use this target
+ TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME} PUBLIC
+ ${CMAKE_CURRENT_SOURCE_DIR}/../wrap-unicens
+ )
diff --git a/binding/amplifier/amplifier.c b/binding/amplifier/amplifier.c
new file mode 100644
index 0000000..a3b5cc3
--- /dev/null
+++ b/binding/amplifier/amplifier.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * 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
+#ifndef AFB_BINDING_VERSION
+# define AFB_BINDING_VERSION 3
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <afb/afb-binding.h>
+#include <wrap-json.h>
+#include "wrap-unicens.h"
+#include "amplifier.h"
+#include <math.h>
+
+#define NODE_ID ((uint16_t)0x510U)
+#define FUNC_VOLUME 0x100U
+#define OP_SET 0x00U
+#define DEFAULT_VOLUME 0xF0U
+#define TX_PAYLOAD_SZ 2U
+
+static uint8_t _tx_payload[TX_PAYLOAD_SZ] = {OP_SET, DEFAULT_VOLUME};
+static bool _available = false;
+
+/*****************************************************************************
+ * Local prototypes
+ */
+static int get_payload_master_volume(uint8_t sys_vol, uint8_t *payload_ptr, uint8_t payload_sz);
+static int amplifier_master_volume_set(uint8_t volume);
+
+/*****************************************************************************
+ * API
+ */
+
+extern void amplifier_availablility_changed(uint16_t node_id, bool available) {
+ if (node_id == NODE_ID) {
+ AFB_API_DEBUG(afbBindingRoot, "%s: amplifier new availability=%d", __func__, available);
+ _available = available;
+ }
+}
+
+extern int amplifier_master_volume_set(uint8_t volume) {
+ AFB_API_NOTICE(afbBindingRoot, "amplifier_master_volume_set volume=%d", volume);
+ if (_available == false) {
+ AFB_API_NOTICE(afbBindingRoot, "%s: node is not available", __func__);
+ return -1;
+ }
+
+ if (volume > 100U) {
+ AFB_API_NOTICE(afbBindingRoot, "%s: invalid volume value %d", __func__, volume);
+ return -2; // parameter error
+ }
+
+ int logvalue = abs((int)(log1p((double)volume) * (double)100 / log1p((double)100)));
+ AFB_API_NOTICE(afbBindingRoot, "%s: logarithic value=%d", __func__, logvalue);
+
+ if (get_payload_master_volume((uint8_t)(logvalue), _tx_payload, TX_PAYLOAD_SZ) != 0) {
+ AFB_API_NOTICE(afbBindingRoot, "%s: cannot calculate paylaod", __func__);
+ return -3; // calculation error
+ }
+
+ // fire message now
+ AFB_API_DEBUG(afbBindingRoot, "%s: calculated payload: {%02X,%02X}", __func__, _tx_payload[0], _tx_payload[1]);
+ wrap_ucs_sendmessage_sync(NODE_ID, FUNC_VOLUME, _tx_payload, TX_PAYLOAD_SZ);
+
+ return 0;
+}
+
+/*****************************************************************************
+ * Device specific helper functions
+ */
+
+static int get_payload_master_volume(uint8_t sys_vol, uint8_t *payload_ptr, uint8_t payload_sz) {
+ if (payload_sz < 2U)
+ return -1;
+
+ uint32_t new_vol = (uint32_t)((uint32_t)sys_vol * 255) / 100; // calculate value{0..100} to value{0..255}
+
+ payload_ptr[0] = OP_SET;
+ payload_ptr[1] = (uint8_t)new_vol; // use 0..255 now
+ return 0;
+}
+
+
+/*****************************************************************************
+ * JSON API
+ */
+
+extern void amplifier_master_vol_set_api(afb_req_t request) {
+ int volume = 0;
+ struct json_object* j_obj = afb_req_json(request);
+
+ AFB_API_DEBUG(afbBindingRoot, "UNICENS-CONTROLLER: %s:%s", __func__, json_object_get_string(j_obj));
+
+ if (wrap_json_unpack(j_obj, "{s:i}", "value", &volume) == 0) {
+ AFB_API_DEBUG(afbBindingRoot, "UNICENS-CONTROLLER: decoded value=%d", volume);
+
+ if ((volume >= 0) && (volume <= 100)) {
+ AFB_API_DEBUG(afbBindingRoot, "amplifier_master_vol_set calling amplifier");
+ int res = amplifier_master_volume_set((uint8_t)volume);
+ AFB_API_DEBUG(afbBindingRoot, "amplifier returning %d", res);
+ afb_req_success(request, NULL, NULL);
+ }
+ else {
+ afb_req_fail(request, "invalid range of parameter 'value'", NULL);
+ }
+ }
+ else {
+ afb_req_fail(request, "missing argument 'value'", NULL);
+ }
+}
diff --git a/binding/amplifier/amplifier.h b/binding/amplifier/amplifier.h
new file mode 100644
index 0000000..e705db4
--- /dev/null
+++ b/binding/amplifier/amplifier.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * 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
+
+#ifndef AFB_BINDING_VERSION
+# define AFB_BINDING_VERSION 3
+#endif
+#include <afb/afb-binding.h>
+
+/* notify events */
+extern void amplifier_availablility_changed(uint16_t node_id, bool available);
+
+/* JSON API */
+extern void amplifier_master_vol_set_api(afb_req_t request);
diff --git a/binding/binding.c b/binding/binding.c
new file mode 100644
index 0000000..cebc54a
--- /dev/null
+++ b/binding/binding.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * 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
+#ifndef AFB_BINDING_VERSION
+# define AFB_BINDING_VERSION 3
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <wrap-json.h>
+#include <afb/afb-binding.h>
+#include "wrap-unicens.h"
+#include "slimamp.h"
+#include "amplifier.h"
+#include "microphone.h"
+
+/* callback at load of the binding */
+static int preinit(afb_api_t api) {
+ AFB_API_NOTICE(afbBindingRoot, "UNICENS-CONTROLLER: PREINIT");
+ return 0;
+}
+
+/* callback for starting the service */
+static int init(afb_api_t api) {
+ AFB_API_NOTICE(afbBindingRoot, "UNICENS-CONTROLLER: INIT");
+ wrap_ucs_init(api);
+ wrap_ucs_subscribe_sync();
+ return 0;
+}
+
+static void on_availability_cb(uint16_t node, bool available) {
+ amplifier_availablility_changed(node, available);
+ slimamp_availablility_changed(node, available);
+ microphone_availablility_changed(node, available);
+}
+
+/* callback for handling events */
+static void onevent(afb_api_t api, const char *event, struct json_object *object) {
+ AFB_API_NOTICE(afbBindingRoot, "UNICENS-CONTROLLER: Event: %s object: %s", event, json_object_get_string(object));
+ wrap_ucs_interpret_event(event, object, &on_availability_cb);
+}
+
+static void ping(afb_req_t request) {
+ AFB_API_NOTICE(afbBindingRoot, "UNICENS-CONTROLLER: Ping successful");
+ afb_req_success(request, 0, NULL);
+}
+
+static const afb_verb_t verbs[] = {
+ {.verb = "ping", .session = AFB_SESSION_NONE, .callback = ping, .auth = NULL},
+ {.verb = "slimamp_master_volume_set", .session = AFB_SESSION_NONE, .callback = slimamp_master_vol_set_api, .auth = NULL},
+ {.verb = "amplifier_master_volume_set", .session = AFB_SESSION_NONE, .callback = amplifier_master_vol_set_api, .auth = NULL},
+ {.verb = "microphone_mode_set", .session = AFB_SESSION_NONE, .callback = microphone_mode_set_api, .auth = NULL},
+ {NULL}
+};
+
+const afb_binding_t afbBindingExport = {
+ .api = "unicens-controller",
+ .specification = NULL,
+ .verbs = verbs,
+ .preinit = preinit,
+ .init = init,
+ .onevent = onevent,
+ .userdata = NULL,
+ .provide_class = NULL,
+ .require_class = NULL,
+ .require_api = NULL,
+ .noconcurrency = 0
+};
diff --git a/binding/microphone/CMakeLists.txt b/binding/microphone/CMakeLists.txt
new file mode 100644
index 0000000..571274d
--- /dev/null
+++ b/binding/microphone/CMakeLists.txt
@@ -0,0 +1,32 @@
+################################################################################
+# Copyright 2019 Microchip Technology Inc. and its subsidiaries
+#
+# 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(ucs-microphone)
+
+# Define targets source files
+ADD_LIBRARY(${TARGET_NAME} STATIC microphone.c)
+
+ # Expose Library Properties
+ SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES OUTPUT_NAME microphone)
+
+ # Library dependencies from PKG_REQUIRED_LIST
+ TARGET_LINK_LIBRARIES(${TARGET_NAME} ${link_libraries})
+
+ # Define properties to expose when others use this target
+ TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME} PUBLIC
+ ${CMAKE_CURRENT_SOURCE_DIR}/../wrap-unicens
+ )
diff --git a/binding/microphone/microphone.c b/binding/microphone/microphone.c
new file mode 100644
index 0000000..dc43cd3
--- /dev/null
+++ b/binding/microphone/microphone.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * 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
+#ifndef AFB_BINDING_VERSION
+# define AFB_BINDING_VERSION 3
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <afb/afb-binding.h>
+#include <wrap-json.h>
+#include "wrap-unicens.h"
+#include "microphone.h"
+
+/*****************************************************************************
+ * types
+ */
+
+enum microphone_mode
+{
+ MICROPHONE_MODE_NONE = 0,
+ MICROPHONE_MODE_DOA = 1,
+ MICROPHONE_MODE_THINKING = 2,
+ MICROPHONE_MODE_SPEAKING = 3,
+ MICROPHONE_MODE_ERROR = 4,
+ MICROPHONE_MODE_WAKING = 5,
+ MICROPHONE_MODE_ENDING = 6,
+ MICROPHONE_MODE_CYLON = 7,
+ MICROPHONE_MODE_RAINBOW = 8,
+ MICROPHONE_MODE_WHEEL = 9,
+ MICROPHONE_MODE_UNKNOWN = 10
+};
+
+/*****************************************************************************
+ * local prototypes
+ */
+
+static int microphone_mode_set(enum microphone_mode mode);
+
+/*****************************************************************************
+ * local variables and definitions
+ */
+
+#define NODE_ID ((uint16_t)0x520U)
+#define MSG_ID_MODE 0x1001U
+#define MSG_OP_SET 0x00U
+
+#define MSG_MAX_PAYLOAD_SZ 2U
+static uint8_t _tx_payload[MSG_MAX_PAYLOAD_SZ];
+static bool _available = false;
+
+/*****************************************************************************
+ * functions
+ */
+
+extern void microphone_availablility_changed(uint16_t node_id, bool available) {
+ if (node_id == NODE_ID) {
+ AFB_API_DEBUG(afbBindingRoot, "%s: amplifier new availability=%d", __func__, available);
+ _available = available;
+ }
+}
+
+static int microphone_mode_set(enum microphone_mode mode) {
+ AFB_API_NOTICE(afbBindingRoot, "microphone_mode_set value=%d", mode);
+ if (_available == false) {
+ AFB_API_NOTICE(afbBindingRoot, "%s: node is not available", __func__);
+ return -1;
+ }
+
+ if (mode < MICROPHONE_MODE_UNKNOWN) {
+ _tx_payload[0] = MSG_OP_SET;
+ _tx_payload[1] = (uint8_t)mode;
+ wrap_ucs_sendmessage_sync(NODE_ID, MSG_ID_MODE, _tx_payload, MSG_MAX_PAYLOAD_SZ);
+ }
+ else {
+ AFB_API_NOTICE(afbBindingRoot, "%s: given mode is unknown", __func__);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+/*****************************************************************************
+ * JSON API
+ */
+
+extern void microphone_mode_set_api(afb_req_t request) {
+ char *str_mode = NULL;
+ struct json_object* j_obj = afb_req_json(request);
+
+ AFB_API_NOTICE(afbBindingRoot, "UNICENS-CONTROLLER: %s:%s", __func__, json_object_get_string(j_obj));
+
+ if (wrap_json_unpack(j_obj, "{s:s}", "value", &str_mode) == 0) {
+ AFB_API_NOTICE(afbBindingRoot, "UNICENS-CONTROLLER: decoded value=%s", str_mode);
+ enum microphone_mode mic_mode = MICROPHONE_MODE_UNKNOWN;
+
+ if (strcmp(str_mode, "none") == 0) {
+ mic_mode = MICROPHONE_MODE_NONE;
+ }
+ else if (strcmp(str_mode, "doa") == 0) {
+ mic_mode = MICROPHONE_MODE_DOA;
+ }
+ else if (strcmp(str_mode, "thinking") == 0) {
+ mic_mode = MICROPHONE_MODE_THINKING;
+ }
+ else if (strcmp(str_mode, "speaking") == 0) {
+ mic_mode = MICROPHONE_MODE_SPEAKING;
+ }
+ else if (strcmp(str_mode, "error") == 0) {
+ mic_mode = MICROPHONE_MODE_ERROR;
+ }
+ else if (strcmp(str_mode, "waking") == 0) {
+ mic_mode = MICROPHONE_MODE_WAKING;
+ }
+ else if (strcmp(str_mode, "ending") == 0) {
+ mic_mode = MICROPHONE_MODE_ENDING;
+ }
+ else if (strcmp(str_mode, "cylon") == 0) {
+ mic_mode = MICROPHONE_MODE_CYLON;
+ }
+ else if (strcmp(str_mode, "rainbow") == 0) {
+ mic_mode = MICROPHONE_MODE_RAINBOW;
+ }
+ else if (strcmp(str_mode, "wheel") == 0) {
+ mic_mode = MICROPHONE_MODE_WHEEL;
+ }
+
+ if (mic_mode < MICROPHONE_MODE_UNKNOWN) {
+ microphone_mode_set(mic_mode);
+ afb_req_success(request, NULL, NULL);
+ }
+ else {
+ afb_req_fail(request, "argument 'value' is not set to a known value", NULL);
+ }
+ }
+ else {
+ afb_req_fail(request, "missing argument 'value'", NULL);
+ }
+} \ No newline at end of file
diff --git a/binding/microphone/microphone.h b/binding/microphone/microphone.h
new file mode 100644
index 0000000..01fbcb2
--- /dev/null
+++ b/binding/microphone/microphone.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * 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
+
+#ifndef AFB_BINDING_VERSION
+# define AFB_BINDING_VERSION 3
+#endif
+#include <afb/afb-binding.h>
+
+/* notification */
+extern void microphone_availablility_changed(uint16_t node_id, bool available);
+/* JSON API */
+extern void microphone_mode_set_api(afb_req_t request);
diff --git a/binding/slimamp/CMakeLists.txt b/binding/slimamp/CMakeLists.txt
new file mode 100644
index 0000000..f2a7d66
--- /dev/null
+++ b/binding/slimamp/CMakeLists.txt
@@ -0,0 +1,32 @@
+################################################################################
+# Copyright 2019 Microchip Technology Inc. and its subsidiaries
+#
+# 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(ucs-slimamp)
+
+# Define targets source files
+ADD_LIBRARY(${TARGET_NAME} STATIC slimamp.c)
+
+ # Expose Library Properties
+ SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES OUTPUT_NAME slimamp)
+
+ # Library dependencies from PKG_REQUIRED_LIST
+ TARGET_LINK_LIBRARIES(${TARGET_NAME} ${link_libraries})
+
+ # Define properties to expose when others use this target
+ TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME} PUBLIC
+ ${CMAKE_CURRENT_SOURCE_DIR}/../wrap-unicens
+ )
diff --git a/binding/slimamp/slimamp.c b/binding/slimamp/slimamp.c
new file mode 100644
index 0000000..1e4f012
--- /dev/null
+++ b/binding/slimamp/slimamp.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * 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
+#ifndef AFB_BINDING_VERSION
+# define AFB_BINDING_VERSION 3
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <afb/afb-binding.h>
+#include <wrap-json.h>
+#include "wrap-unicens.h"
+
+#define NODE_ID ((uint16_t)0x270U)
+#define CONTROL_MASTER 0x07U
+#define MUTE_VALUE 0x03FFU
+#define MUTE_VALUE_HB 0x03U
+#define MUTE_VALUE_LB 0xFFU
+#define TX_PAYLOAD_SZ 3U
+
+static uint8_t _tx_payload[TX_PAYLOAD_SZ] = {CONTROL_MASTER, MUTE_VALUE_HB, MUTE_VALUE_LB};
+static bool _available = false;
+
+/*****************************************************************************
+ * Local prototypes
+ */
+static int slimamp_master_volume_set(uint8_t volume);
+static int get_payload_master_volume(uint8_t sys_vol, uint8_t *payload_ptr, uint8_t payload_sz);
+
+/*****************************************************************************
+ * API
+ */
+
+extern void slimamp_availablility_changed(uint16_t node_id, bool available) {
+ if (node_id == NODE_ID) {
+ _available = available;
+ }
+}
+
+static int slimamp_master_volume_set(uint8_t volume) {
+ if (_available == false)
+ AFB_API_NOTICE(afbBindingRoot, "%s: node is not available", __func__);
+ return -1;
+
+ if (volume > 100U)
+ return -2; // parameter error
+
+ if (get_payload_master_volume(volume, _tx_payload, TX_PAYLOAD_SZ) != 0)
+ return -3; // calculation error
+
+ // fire message now
+ AFB_API_DEBUG(afbBindingRoot, "%s: calculated payload: {%02X,%02X,%02X}", __func__, _tx_payload[0], _tx_payload[1], _tx_payload[2]);
+ wrap_ucs_i2cwrite_sync(NODE_ID, _tx_payload, TX_PAYLOAD_SZ);
+
+ return 0;
+}
+
+/*****************************************************************************
+ * Device specific helper functions
+ */
+
+static int get_payload_master_volume(uint8_t sys_vol, uint8_t *payload_ptr, uint8_t payload_sz) {
+ if (payload_sz < 3U)
+ return -1;
+
+ uint16_t tmp = (uint16_t)(0x100U + 0x2FFU - (((int32_t)0x2FFU * (int32_t)sys_vol) / (int32_t)100/*max volume*/));
+ payload_ptr[0] = CONTROL_MASTER;
+ payload_ptr[1] = (uint8_t)((tmp >> 8U) & (uint16_t)0xFFU); //HB:Volume
+ payload_ptr[2] = (uint8_t)(tmp & (uint16_t)0xFFU); //LB:Volume
+ return 0;
+}
+
+/*****************************************************************************
+ * JSON API
+ */
+
+extern void slimamp_master_vol_set_api(afb_req_t request) {
+ int volume = 0;
+ struct json_object* j_obj = afb_req_json(request);
+
+ AFB_API_DEBUG(afbBindingRoot, "UNICENS-CONTROLLER: %s:%s", __func__, json_object_get_string(j_obj));
+
+ if (wrap_json_unpack(j_obj, "{s:i}", "value", &volume) == 0) {
+ AFB_API_DEBUG(afbBindingRoot, "UNICENS-CONTROLLER: decoded value=%d", volume);
+
+ if ((volume >= 0) && (volume <= 100)) {
+ slimamp_master_volume_set((uint8_t)volume);
+ afb_req_success(request, NULL, NULL);
+ }
+ else {
+ afb_req_fail(request, "invalid range of parameter 'value'", NULL);
+ }
+ }
+ else {
+ afb_req_fail(request, "missing argument 'value'", NULL);
+ }
+} \ No newline at end of file
diff --git a/binding/slimamp/slimamp.h b/binding/slimamp/slimamp.h
new file mode 100644
index 0000000..bfffdb0
--- /dev/null
+++ b/binding/slimamp/slimamp.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * 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
+
+/* notification */
+extern void slimamp_availablility_changed(uint16_t node_id, bool available);
+/* JSON API */
+extern void slimamp_master_vol_set_api(afb_req_t request);
diff --git a/binding/wrap-unicens/CMakeLists.txt b/binding/wrap-unicens/CMakeLists.txt
new file mode 100644
index 0000000..ccd3f16
--- /dev/null
+++ b/binding/wrap-unicens/CMakeLists.txt
@@ -0,0 +1,27 @@
+################################################################################
+# Copyright 2019 Microchip Technology Inc. and its subsidiaries
+#
+# 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(ucs-wrapper)
+
+# Define targets source files
+ADD_LIBRARY(${TARGET_NAME} STATIC wrap-unicens.c)
+
+ # Expose Library Properties
+ SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES OUTPUT_NAME wrap-unicens)
+
+ # Library dependencies from PKG_REQUIRED_LIST
+ TARGET_LINK_LIBRARIES(${TARGET_NAME} ${link_libraries})
diff --git a/binding/wrap-unicens/wrap-unicens.c b/binding/wrap-unicens/wrap-unicens.c
new file mode 100644
index 0000000..e5d4570
--- /dev/null
+++ b/binding/wrap-unicens/wrap-unicens.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * 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 "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;
+
+static afb_api_t api_handle_ = NULL;
+
+/* Initializes UNICENS API wrapper */
+extern int wrap_ucs_init(afb_api_t api_handle) {
+ api_handle_ = api_handle;
+ return afb_api_require_api(api_handle_, "UNICENS", 1);
+}
+
+/*
+ * Subscribes to unicens2-binding events.
+ * \return Returns 0 if successful, otherwise != 0".
+ */
+extern int wrap_ucs_subscribe_sync(void) {
+ int err;
+
+ json_object *j_response, *j_query = NULL;
+ char *error, *info;
+
+ /* Build an empty JSON object */
+ if((err = wrap_json_pack(&j_query, "{}"))) {
+ AFB_API_ERROR(api_handle_, "Failed to create subscribe json object");
+ return err;
+ }
+
+ if((err = afb_api_call_sync(api_handle_, "UNICENS", "subscribe", j_query, &j_response, &error, &info))) {
+ AFB_API_ERROR(api_handle_, "Fail subscribing to UNICENS events");
+ return err;
+ }
+ else {
+ AFB_API_NOTICE(api_handle_, "Subscribed to UNICENS events, res=%s", json_object_to_json_string(j_response));
+ json_object_put(j_response);
+ }
+
+ return 0;
+}
+
+extern int wrap_ucs_interpret_event(const char *event, struct json_object *object, wrap_ucs_availability_cb_t callback) {
+ int node_id = 0;
+ int available = false;
+
+ if (strcmp(event, "UNICENS/node-availibility") != 0) {
+ return -1; // unhandled event
+ }
+
+ if (wrap_json_unpack(object, "{s:i,s:b}", "node", &node_id, "available", &available) != 0) {
+ AFB_API_NOTICE(api_handle_, "Parsing node-availibility failed.");
+ return -2;
+ }
+
+ if (callback != NULL) {
+ callback((uint16_t)node_id, (bool)available);
+ }
+
+ 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(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;
+ char *error, *info;
+
+ j_query = json_object_new_object();
+ j_array = json_object_new_array();
+
+ if(! j_query || ! j_array) {
+ AFB_API_ERROR(api_handle_, "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_api_call_sync(api_handle_, "UNICENS", "writei2c", j_query, &j_response, &error, &info))) {
+ AFB_API_ERROR(api_handle_, "Failed to call writei2c_sync");
+ return err;
+ }
+ else {
+ AFB_API_INFO(api_handle_, "Called writei2c_sync, res=%s", json_object_to_json_string(j_response));
+ json_object_put(j_response);
+ }
+
+ return 0;
+}
+
+extern int wrap_ucs_sendmessage_sync(uint16_t src_addr, uint16_t msg_id, uint8_t *data_ptr, uint8_t data_sz) {
+
+ json_object *j_query, *j_response = NULL;
+ char *error, *info;
+ int err = 1;
+ int node = (int)src_addr;
+ int msgid = (int)msg_id;
+ size_t data_size = (size_t)data_sz;
+
+ AFB_API_NOTICE(api_handle_, "--- HAL triggering send message ---");
+
+ /* skip data attribute if possible, wrap_json_unpack may fail to deal with
+ * an empty Base64 string */
+ if (data_size > 0)
+ wrap_json_pack(&j_query, "{s:i, s:i, s:Y}", "node", node, "msgid", msgid, "data", data_ptr, data_size);
+ else
+ wrap_json_pack(&j_query, "{s:i, s:i}", "node", node, "msgid", msgid);
+
+ AFB_API_NOTICE(api_handle_, "wrap_ucs_sendmessage: jquery=%s", json_object_to_json_string(j_query));
+
+ err = afb_api_call_sync(api_handle_, "UNICENS", "sendmessage", j_query, &j_response, &error, &info);
+
+ if (err != 0) {
+ AFB_API_ERROR(api_handle_, "Failed to call wrap_ucs_sendmessage ret=%d", err);
+ }
+ else {
+ AFB_API_NOTICE(api_handle_, "Called wrap_ucs_sendmessage, successful");
+ }
+
+ if (j_response != NULL) {
+ AFB_API_NOTICE(api_handle_, "wrap_ucs_sendmessage, response=%s", json_object_to_json_string(j_response));
+ json_object_put(j_response);
+ }
+
+ return err;
+}
+
+/* ---------------------------- ASYNCHRONOUS API ---------------------------- */
+static void wrap_ucs_i2cwrite_cb(void *closure, /*int status, */struct json_object *j_result,
+ const char *error, const char * info, afb_api_t api) {
+ async_job_t *job_ptr;
+
+ AFB_API_INFO(api_handle_, "%s: closure=%p status=?, 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(0/*(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_API_ERROR(api_handle_, "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_API_ERROR(api_handle_, "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_api_call(api_handle_, "UNICENS", "writei2c", j_query, wrap_ucs_i2cwrite_cb, job_ptr);
+ return 0;
+}
diff --git a/binding/wrap-unicens/wrap-unicens.h b/binding/wrap-unicens/wrap-unicens.h
new file mode 100644
index 0000000..a6e2f43
--- /dev/null
+++ b/binding/wrap-unicens/wrap-unicens.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * 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
+
+#ifndef AFB_BINDING_VERSION
+# define AFB_BINDING_VERSION 3
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+#include <afb/afb-binding.h>
+
+extern int wrap_ucs_init(afb_api_t apiHandle);
+
+/* Asynchronous API: result callback */
+typedef void (*wrap_ucs_availability_cb_t)(uint16_t node, bool available);
+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(void);
+extern int wrap_ucs_interpret_event(const char *event, struct json_object *object, wrap_ucs_availability_cb_t callback);
+extern int wrap_ucs_i2cwrite_sync(uint16_t node, uint8_t *data_ptr, uint8_t data_sz);
+extern int wrap_ucs_sendmessage_sync(uint16_t src_addr, uint16_t msg_id, uint8_t *data_ptr, uint8_t data_sz);