There is no need to report very small RSSI changes.
---
v2: Fix name and use abs()
android/bluetooth.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/android/bluetooth.c b/android/bluetooth.c
index d74d792..5aed4af 100644
--- a/android/bluetooth.c
+++ b/android/bluetooth.c
@@ -1045,6 +1045,12 @@ static uint8_t bdaddr_type2android(uint8_t type)
return HAL_TYPE_LE;
}
+static bool rssi_above_threshold(int old, int new)
+{
+ /* only 8 dBm or more */
+ return abs(old - new) >= 8;
+}
+
static void update_found_device(const bdaddr_t *bdaddr, uint8_t bdaddr_type,
int8_t rssi, bool confirm,
const uint8_t *data, uint8_t data_len)
@@ -1113,7 +1119,7 @@ static void update_found_device(const bdaddr_t *bdaddr, uint8_t bdaddr_type,
(*num_prop)++;
}
- if (rssi) {
+ if (rssi && rssi_above_threshold(dev->rssi, rssi)) {
dev->rssi = rssi;
size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_RSSI,
--
1.8.3.2
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
