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samples: Bluetooth: Restart scanning on connection failure

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Restart scanning if connection creation fails; could happen
when devices with low RSSI are discovered but not available
thereafter to establish a connection.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2020-05-06 07:01:18 +05:30 • committed by Johan Hedberg
commit 93c5e253a4
3 changed files with 7 additions and 0 deletions
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3
samples/bluetooth/central/src/main.c
View file

@ -19,6 +19,8 @@
#include <bluetooth/gatt.h> #include <bluetooth/gatt.h>
#include <sys/byteorder.h> #include <sys/byteorder.h>
static void start_scan(void);
static struct bt_conn *default_conn; static struct bt_conn *default_conn;
static void device_found(const bt_addr_le_t *addr, s8_t rssi, u8_t type, static void device_found(const bt_addr_le_t *addr, s8_t rssi, u8_t type,
@ -53,6 +55,7 @@ static void device_found(const bt_addr_le_t *addr, s8_t rssi, u8_t type,
BT_LE_CONN_PARAM_DEFAULT, &default_conn); BT_LE_CONN_PARAM_DEFAULT, &default_conn);
if (err) { if (err) {
printk("Create conn to %s failed (%u)\n", addr_str, err); printk("Create conn to %s failed (%u)\n", addr_str, err);
start_scan();
} }
} }

3
samples/bluetooth/central_hr/src/main.c
View file

@ -19,6 +19,8 @@
#include <bluetooth/gatt.h> #include <bluetooth/gatt.h>
#include <sys/byteorder.h> #include <sys/byteorder.h>
static void start_scan(void);
static struct bt_conn *default_conn; static struct bt_conn *default_conn;
static struct bt_uuid_16 uuid = BT_UUID_INIT_16(0); static struct bt_uuid_16 uuid = BT_UUID_INIT_16(0);
@ -132,6 +134,7 @@ static bool eir_found(struct bt_data *data, void *user_data)
param, &default_conn); param, &default_conn);
if (err) { if (err) {
printk("Create conn failed (err %d)\n", err); printk("Create conn failed (err %d)\n", err);
start_scan();
} }
return false; return false;

1
samples/bluetooth/central_ht/src/main.c
View file

@ -196,6 +196,7 @@ static bool eir_found(struct bt_data *data, void *user_data)
if (err) { if (err) {
printk("Create connection failed (err %d)\n", printk("Create connection failed (err %d)\n",
err); err);
scan_start();
} }
return false; return false;