Skip characteristic value handle discovery for Link Loss service if the
handle is already known.
---
proximity/monitor.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/proximity/monitor.c b/proximity/monitor.c
index a6bdf34..ea5059f 100644
--- a/proximity/monitor.c
+++ b/proximity/monitor.c
@@ -69,6 +69,7 @@ struct monitor {
char *linklosslevel; /* Link Loss Alert Level */
char *immediatelevel; /* Immediate Alert Level */
char *signallevel; /* Path Loss RSSI level */
+ uint16_t linklosshandle; /* Link Loss Characteristic Value Handle */
guint attioid;
};
@@ -145,8 +146,10 @@ static void char_discovered_cb(GSList *characteristics, guint8 status,
/* Assume there is a single Alert Level characteristic */
chr = characteristics->data;
+ monitor->linklosshandle = chr->value_handle;
- gatt_write_cmd(monitor->attrib, chr->value_handle, &value, 1, NULL, NULL);
+ gatt_write_cmd(monitor->attrib, monitor->linklosshandle, &value, 1,
+ NULL, NULL);
}
static int write_alert_level(struct monitor *monitor)
@@ -154,6 +157,14 @@ static int write_alert_level(struct monitor *monitor)
struct att_range *linkloss = monitor->linkloss;
bt_uuid_t uuid;
+ if (monitor->linklosshandle) {
+ uint8_t value = str2level(monitor->linklosslevel);
+
+ gatt_write_cmd(monitor->attrib, monitor->linklosshandle,
+ &value, 1, NULL, NULL);
+ return 0;
+ }
+
bt_uuid16_create(&uuid, ALERT_LEVEL_CHR_UUID);
/* FIXME: use cache (requires service changed support) ? */
--
1.7.6
--
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