This patch adds new method that allow to update RSSI value with
given delta threshold. It will be used in upcoming patches with
SetDiscoveryFilter, in order to disable delta threshold.
---
src/device.c | 14 +++++++++++---
src/device.h | 2 ++
2 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/src/device.c b/src/device.c
index 8ad62d3..91dea27 100644
--- a/src/device.c
+++ b/src/device.c
@@ -83,6 +83,8 @@
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
+#define RSSI_THRESHOLD 8
+
static DBusConnection *dbus_conn = NULL;
static unsigned service_state_cb_id;
@@ -4547,7 +4549,8 @@ void device_set_legacy(struct btd_device *device, bool legacy)
DEVICE_INTERFACE, "LegacyPairing");
}
-void device_set_rssi(struct btd_device *device, int8_t rssi)
+void device_set_rssi_with_delta(struct btd_device *device, int8_t rssi,
+ int8_t delta_threshold)
{
if (!device)
return;
@@ -4567,8 +4570,8 @@ void device_set_rssi(struct btd_device *device, int8_t rssi)
else
delta = rssi - device->rssi;
- /* only report changes of 8 dBm or more */
- if (delta < 8)
+ /* only report changes of delta_threshold dBm or more */
+ if (delta < delta_threshold)
return;
DBG("rssi %d delta %d", rssi, delta);
@@ -4580,6 +4583,11 @@ void device_set_rssi(struct btd_device *device, int8_t rssi)
DEVICE_INTERFACE, "RSSI");
}
+void device_set_rssi(struct btd_device *device, int8_t rssi)
+{
+ device_set_rssi_with_delta(device, rssi, RSSI_THRESHOLD);
+}
+
static gboolean start_discovery(gpointer user_data)
{
struct btd_device *device = user_data;
diff --git a/src/device.h b/src/device.h
index b17f53a..9e86469 100644
--- a/src/device.h
+++ b/src/device.h
@@ -90,6 +90,8 @@ void btd_device_set_temporary(struct btd_device *device, bool temporary);
void btd_device_set_trusted(struct btd_device *device, gboolean trusted);
void device_set_bonded(struct btd_device *device, uint8_t bdaddr_type);
void device_set_legacy(struct btd_device *device, bool legacy);
+void device_set_rssi_with_delta(struct btd_device *device, int8_t rssi,
+ int8_t delta_threshold);
void device_set_rssi(struct btd_device *device, int8_t rssi);
bool btd_device_is_connected(struct btd_device *dev);
uint8_t btd_device_get_bdaddr_type(struct btd_device *dev);
--
2.2.0.rc0.207.ga3a616c
--
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