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authorTobias Jahnke <tobias.jahnke@microchip.com>2019-10-15 15:14:30 +0200
committerTobias Jahnke <tobias.jahnke@microchip.com>2019-10-16 06:11:37 +0000
commite91eaa18befd14446d280311c9bd5c05f29801f0 (patch)
treec8921df433cacd724a7ade71f74be2aa962adff0 /binding/microphone/microphone.c
parent6854f72cb81b10e1add164e754aba1952df5b269 (diff)
unicens-controller: add DOA feature
Introduce a new API to retrieve the current direction of audio (DOA) recognized by the microphone. Bug-AGL: SPEC-2899 Signed-off-by: Tobias Jahnke <tobias.jahnke@microchip.com> Change-Id: I387efaeaf0cffd06b3d88efbeeaf2ef7eb23c780
Diffstat (limited to 'binding/microphone/microphone.c')
-rw-r--r--binding/microphone/microphone.c71
1 files changed, 70 insertions, 1 deletions
diff --git a/binding/microphone/microphone.c b/binding/microphone/microphone.c
index dc43cd3..344fbd7 100644
--- a/binding/microphone/microphone.c
+++ b/binding/microphone/microphone.c
@@ -49,6 +49,8 @@ enum microphone_mode
*/
static int microphone_mode_set(enum microphone_mode mode);
+static int microphone_doa_get(void);
+static void microphone_doa_status(uint16_t data_sz, uint8_t *data_ptr);
/*****************************************************************************
* local variables and definitions
@@ -56,11 +58,15 @@ static int microphone_mode_set(enum microphone_mode mode);
#define NODE_ID ((uint16_t)0x520U)
#define MSG_ID_MODE 0x1001U
+#define MSG_ID_DOA 0x1003U
#define MSG_OP_SET 0x00U
+#define MSG_OP_GET 0x01U
#define MSG_MAX_PAYLOAD_SZ 2U
static uint8_t _tx_payload[MSG_MAX_PAYLOAD_SZ];
static bool _available = false;
+static bool _doa_running = false;
+static afb_req_t _req_doa_get = NULL;
/*****************************************************************************
* functions
@@ -70,6 +76,23 @@ 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;
+ _doa_running = false;
+ }
+}
+
+extern void microphone_message_received(uint16_t node, uint16_t msg_id, uint16_t data_sz, uint8_t *data_ptr) {
+
+ if (node != NODE_ID) {
+ return;
+ }
+
+ switch (msg_id) {
+ case MSG_ID_DOA:
+ microphone_doa_status(data_sz, data_ptr);
+ break;
+ default:
+ AFB_API_NOTICE(afbBindingRoot, "microphone_message_received node=%d, msg_id=%d, data_sz=%d", node, msg_id, data_sz);
+ break;
}
}
@@ -93,6 +116,40 @@ static int microphone_mode_set(enum microphone_mode mode) {
return 0;
}
+static int microphone_doa_get(void) {
+ AFB_API_NOTICE(afbBindingRoot, "microphone_doa_get started");
+ if (_available == false) {
+ AFB_API_NOTICE(afbBindingRoot, "%s: node is not available", __func__);
+ return -1;
+ }
+
+ if (_doa_running) {
+ AFB_API_NOTICE(afbBindingRoot, "%s: request is still running", __func__);
+ return -2;
+ }
+
+ _tx_payload[0] = MSG_OP_GET;
+ wrap_ucs_sendmessage_sync(NODE_ID, MSG_ID_DOA, _tx_payload, 1U);
+
+ return 0;
+}
+
+static void microphone_doa_status(uint16_t data_sz, uint8_t *data_ptr) {
+ uint16_t angle = 0U;
+
+ if ((data_sz == 3U) && (data_ptr[0] == 0x0CU)) {
+ angle = (uint16_t)((uint16_t)data_ptr[1] << 8 | (uint16_t)data_ptr[2]);
+ AFB_API_NOTICE(afbBindingRoot, "microphone_doa_status: angle=%d", angle);
+ if (_req_doa_get != NULL) {
+ struct json_object* j_resp;
+ j_resp = json_object_new_object();
+ wrap_json_pack(&j_resp, "{s:i}", "value", angle);
+ afb_req_reply(_req_doa_get, j_resp, NULL, "response successful");
+ afb_req_unref(_req_doa_get);
+ _req_doa_get = NULL;
+ }
+ }
+}
/*****************************************************************************
* JSON API
@@ -150,4 +207,16 @@ extern void microphone_mode_set_api(afb_req_t request) {
else {
afb_req_fail(request, "missing argument 'value'", NULL);
}
-} \ No newline at end of file
+}
+
+extern void microphone_doa_get_api(afb_req_t request) {
+ struct json_object* j_obj = afb_req_json(request);
+
+ if (microphone_doa_get() != 0) {
+ AFB_API_NOTICE(afbBindingRoot, "function call failed: %s:%s", __func__, json_object_get_string(j_obj));
+ afb_req_fail(request, "function call failed", NULL);
+ }
+ else {
+ _req_doa_get = afb_req_addref(request);
+ }
+}