According to Link Loss Service specification, Write Characteristic
Value sub-procedure should be used to change the Alert Level.
---
proximity/monitor.c | 25 +++++++++++++++++++++----
1 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/proximity/monitor.c b/proximity/monitor.c
index 884e66d..d40d376 100644
--- a/proximity/monitor.c
+++ b/proximity/monitor.c
@@ -139,6 +139,23 @@ static uint8_t str2level(const char *level)
return ALERT_NONE;
}
+static void linkloss_written(guint8 status, const guint8 *pdu, guint16 plen,
+ gpointer user_data)
+{
+ if (status != 0) {
+ error("Link Loss Write Request failed: %s",
+ att_ecode2str(status));
+ return;
+ }
+
+ if (!dec_write_resp(pdu, plen)) {
+ error("Link Loss Write Request: protocol error");
+ return;
+ }
+
+ DBG("Link Loss Alert Level written");
+}
+
static void char_discovered_cb(GSList *characteristics, guint8 status,
gpointer user_data)
{
@@ -157,8 +174,8 @@ static void char_discovered_cb(GSList *characteristics, guint8 status,
chr = characteristics->data;
monitor->linklosshandle = chr->value_handle;
- gatt_write_cmd(monitor->attrib, monitor->linklosshandle, &value, 1,
- NULL, NULL);
+ gatt_write_char(monitor->attrib, monitor->linklosshandle, &value, 1,
+ linkloss_written, NULL);
}
static int write_alert_level(struct monitor *monitor)
@@ -169,8 +186,8 @@ static int write_alert_level(struct monitor *monitor)
if (monitor->linklosshandle) {
uint8_t value = str2level(monitor->linklosslevel);
- gatt_write_cmd(monitor->attrib, monitor->linklosshandle,
- &value, 1, NULL, NULL);
+ gatt_write_char(monitor->attrib, monitor->linklosshandle,
+ &value, 1, linkloss_written, NULL);
return 0;
}
--
1.7.7
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