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mgmt: mcumgr: Make SMP service notification function public 

Allow SMP messages to be sent from user space.
For example, a user defined command can be sent when a value changes
so the client doesn't have to poll.
Signed-off-by: Andrew Hedin <andrew.hedin@lairdconnect.com>
This commit is contained in:
Andrew Hedin 2021-08-16 15:22:53 -05:00 committed by Christopher Friedt
parent 14ecebcde8
commit e828009757
2 changed files with 14 additions and 5 deletions
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12
include/mgmt/mcumgr/smp_bt.h
View File

@ -32,6 +32,18 @@ int smp_bt_register(void);
*/
int smp_bt_unregister(void);
/**
* Transmits an SMP command/response over the specified Bluetooth connection
* as a notification.
*
* @param conn Connection object.
* @param data Pointer to SMP message.
* @param len data length.
*
* @return 0 in case of success or negative value in case of error.
*/
int smp_bt_notify(struct bt_conn *conn, const void *data, uint16_t len);
#ifdef __cplusplus
}
#endif

7
subsys/mgmt/mcumgr/smp_bt.c
View File

@ -94,10 +94,7 @@ static struct bt_gatt_attr smp_bt_attrs[] = {
static struct bt_gatt_service smp_bt_svc = BT_GATT_SERVICE(smp_bt_attrs);
/**
* Transmits an SMP response over the specified Bluetooth connection.
*/
static int smp_bt_tx_rsp(struct bt_conn *conn, const void *data, uint16_t len)
int smp_bt_notify(struct bt_conn *conn, const void *data, uint16_t len)
{
return bt_gatt_notify(conn, smp_bt_attrs + 2, data, len);
}
@ -171,7 +168,7 @@ static int smp_bt_tx_pkt(struct zephyr_smp_transport *zst, struct net_buf *nb)
if (conn == NULL) {
rc = -1;
} else {
rc = smp_bt_tx_rsp(conn, nb->data, nb->len);
rc = smp_bt_notify(conn, nb->data, nb->len);
bt_conn_unref(conn);
}