[Bluez-devel] [Patch] basic hfp functionnality

[Bluez-devel] [Patch] basic hfp functionnality

[Frédéric Dalleau]

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Hello,

With Alok, we started integrating hfp to audio service.
Here is the first patch.
SLC, call accept and call hangup are available.

However the previous patch must be applied.

Frederic


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diff --git a/audio/headset.c b/audio/headset.c
index 7bb1746..7d438e0 100644
--- a/audio/headset.c
+++ b/audio/headset.c
@@ -113,6 +113,9 @@ struct headset {
 
 static int rfcomm_connect(struct device *device, struct pending_connect *c);
 static int get_handles(struct device *device, struct pending_connect *c);
+unsigned int headset_request_stream(struct device *dev, headset_stream_cb_t cb,
+					void *user_data);
+static GIOError headset_send(struct headset *hs, const char *str);
 
 static void pending_connect_free(struct pending_connect *c)
 {
@@ -171,6 +174,48 @@ static void hs_signal_gain_setting(struct device *device, const char *buf)
 					DBUS_TYPE_INVALID);
 }
 
+
+static void hf_set_indicator(struct device *device, int call, int callsetup)
+{
+	char buf[128];
+
+	if(!device->headset->enable_hfp)
+		return;
+
+	sprintf(buf, "\r\n+CIEV: 2,%d\r\n"
+			"\r\n+CIEV: 3,%d\r\n", call, callsetup);
+
+	headset_send(device->headset, buf);
+}
+
+static void hf_call_accept(struct device *device)
+{
+	struct headset *hs = device->headset;
+
+	hf_set_indicator(device, 1, 0);
+
+	if (hs->ring_timer) {
+		g_source_remove(hs->ring_timer);
+		hs->ring_timer = 0;
+	}
+
+	headset_request_stream(device, NULL, NULL);
+}
+
+static void hf_call_hangup(struct device *device)
+{
+	struct headset *hs = device->headset;
+
+	hf_set_indicator(device, 0, 0);
+
+	if (hs->ring_timer) {
+		g_source_remove(hs->ring_timer);
+		hs->ring_timer = 0;
+	}
+
+	headset_set_state(device, HEADSET_STATE_CONNECTED);
+}
+
 static headset_event_t parse_headset_event(const char *buf, char *rsp,
 						int rsp_len)
 {
@@ -190,6 +235,33 @@ static headset_event_t parse_headset_event(const char *buf, char *rsp,
 	} else if (!strncmp(buf, "+VG", 3)) {
 		snprintf(rsp, rsp_len, "\r\nOK\r\n");
 		return HEADSET_EVENT_GAIN;
+	} else if (!strncmp(buf, "+BRSF", 5)) {
+		snprintf(rsp, rsp_len, 
+			 	"\r\n+BRSF=0\r\n"
+				"\r\nOK\r\n");
+		return HANDSFREE_EVENT_SUPPORTED_FEAT;
+	} else if (!strncmp(buf, "+CIND=?", 7)) {
+		snprintf(rsp, rsp_len,
+				"\r\n+CIND: (\"service\",(0-1)),"
+				"(\"call\",(0-1)),(\"callsetup\",(0-3)),"
+				"(\"callheld\",(0-2)),(\"signal\",(0-5)),"
+				"(\"roam\",(0-1)),(\"battchg\",(0-5))\r\n"
+				"\r\nOK\r\n");
+		return HANDSFREE_EVENT_SUPPORTED_IND;
+	} else if (!strncmp(buf, "+CIND?", 6)) {
+		snprintf(rsp, rsp_len,
+			 	"\r\n+CIND: 1,0,0,0,5,1,5\r\n"
+				"\r\nOK\r\n");
+		return HANDSFREE_EVENT_READ_IND;
+	} else if (!strncmp(buf, "+CMER", 5)) {
+		snprintf(rsp, rsp_len, "\r\nOK\r\n");
+		return HANDSFREE_EVENT_REPORTING;
+	} else if (!strncmp(buf, "+CHUP", 5)) {
+		snprintf(rsp, rsp_len, "\r\nOK\r\n");
+		return HANDSFREE_EVENT_CALL_HANGUP;
+	} else if (!strncmp(buf, "A", 1) && strchr("\r\n \t", buf[1])) {
+		snprintf(rsp, rsp_len, "\r\nOK\r\n");
+		return HANDSFREE_EVENT_CALL_ACCEPTED;
 	} else {
 		snprintf(rsp, rsp_len, "\r\nERROR\r\n");
 		return HEADSET_EVENT_UNKNOWN;
@@ -276,6 +348,23 @@ static gboolean rfcomm_io_cb(GIOChannel *chan, GIOCondition cond,
 						DBUS_TYPE_INVALID);
 		break;
 
+	case HANDSFREE_EVENT_SUPPORTED_FEAT:
+	case HANDSFREE_EVENT_SUPPORTED_IND:
+	case HANDSFREE_EVENT_READ_IND:
+	case HANDSFREE_EVENT_REPORTING:
+	case HANDSFREE_EVENT_SUPPORTED_CHLD:
+		break;
+
+	case HANDSFREE_EVENT_CALL_ACCEPTED:
+		debug("Call accept");
+		hf_call_accept(device);
+		break;
+
+	case HANDSFREE_EVENT_CALL_HANGUP:
+		debug("Call hangup");
+		hf_call_hangup(device);
+		break;
+
 	case HEADSET_EVENT_INVALID:
 	case HEADSET_EVENT_UNKNOWN:
 	default:
@@ -1102,6 +1191,8 @@ static DBusHandlerResult hs_ring(DBusConnection *conn, DBusMessage *msg,
 		goto done;
 	}
 
+	hf_set_indicator(device, 0, 1);
+
 	if (headset_send(device->headset, "\r\nRING\r\n") != G_IO_ERROR_NONE) {
 		dbus_message_unref(reply);
 		return error_failed(conn, msg, "Failed");
@@ -1130,6 +1221,8 @@ static DBusHandlerResult hs_cancel_ringing(DBusConnection *conn,
 	if (!reply)
 		return DBUS_HANDLER_RESULT_NEED_MEMORY;
 
+	hf_set_indicator(device, 0, 0);
+
 	if (!hs->ring_timer) {
 		debug("Got CancelRinging method call but ringing is not in progress");
 		goto done;
@@ -1436,6 +1529,11 @@ void headset_free(struct device *dev)
 {
 	struct headset *hs = dev->headset;
 
+	if (hs->ring_timer) {
+		g_source_remove(hs->ring_timer);
+		hs->ring_timer = 0;
+	}
+
 	if (hs->sco) {
 		g_io_channel_close(hs->sco);
 		g_io_channel_unref(hs->sco);
diff --git a/audio/headset.h b/audio/headset.h
index b151dbd..4bfd0ad 100644
--- a/audio/headset.h
+++ b/audio/headset.h
@@ -31,6 +31,13 @@ typedef enum {
 	HEADSET_EVENT_KEYPRESS,
 	HEADSET_EVENT_GAIN,
 	HEADSET_EVENT_UNKNOWN,
+	HANDSFREE_EVENT_SUPPORTED_FEAT,
+	HANDSFREE_EVENT_SUPPORTED_IND,
+	HANDSFREE_EVENT_READ_IND,
+	HANDSFREE_EVENT_REPORTING,
+	HANDSFREE_EVENT_SUPPORTED_CHLD,
+	HANDSFREE_EVENT_CALL_ACCEPTED,
+	HANDSFREE_EVENT_CALL_HANGUP,
 	HEADSET_EVENT_INVALID
 } headset_event_t;
 

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