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>

1 files changed, 153 insertions, 0 deletions

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